2026-09-11T21:39:00.635057Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true 2026-09-11T21:39:18.990943Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=4992 expansion_and_footprint_ms=6445 estimated_row_bytes=83184 heuristic_row_bytes=144968 geometry_fragments_per_tile=9404 fragment_limit=16384 2026-09-11T21:39:19.088861Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=1386 2026-09-11T21:39:19.637776Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=38 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:19.637833Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=38 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.640270Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=38 tile=22 row_words=23 horizon=2909 2026-09-11T21:39:19.651563Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=2773 maximum_identical_destinations=1 2026-09-11T21:39:19.651619Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=1088 selected_horizon=1088 endpoint_lower_bound=288 lower_bound_gap=800 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.654523Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=3075 maximum_identical_destinations=1 2026-09-11T21:39:19.654571Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=4801 selected_horizon=4801 endpoint_lower_bound=2816 lower_bound_gap=1985 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.657019Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=677 row_words=17 horizon=1088 2026-09-11T21:39:19.659684Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=397 row_words=31 horizon=4801 2026-09-11T21:39:19.661524Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=1400 maximum_identical_destinations=1 2026-09-11T21:39:19.661576Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.664324Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=39 row_words=39 horizon=4006 2026-09-11T21:39:19.666010Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=42 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:19.666075Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=42 initial_horizon=8454 selected_horizon=8454 endpoint_lower_bound=4608 lower_bound_gap=3846 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.667574Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=47 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:19.667631Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=47 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.668781Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=42 tile=146 row_words=20 horizon=8454 2026-09-11T21:39:19.669638Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=33 transfers=2198 maximum_identical_destinations=1 2026-09-11T21:39:19.669692Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=33 initial_horizon=4977 selected_horizon=4977 endpoint_lower_bound=2152 lower_bound_gap=2825 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.670595Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=47 tile=866 row_words=10 horizon=471 2026-09-11T21:39:19.673454Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=33 tile=684 row_words=18 horizon=4977 2026-09-11T21:39:19.675498Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=57 candidates=17 ordinary_horizon=688 paired_horizon=1417 use_paired=false 2026-09-11T21:39:19.684992Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=19 transfers=11656 maximum_identical_destinations=1 2026-09-11T21:39:19.685044Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=19 initial_horizon=2940 selected_horizon=2940 endpoint_lower_bound=2304 lower_bound_gap=636 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.685136Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=2193 maximum_identical_destinations=1 2026-09-11T21:39:19.685169Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=3113 selected_horizon=3113 endpoint_lower_bound=2304 lower_bound_gap=809 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.687241Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:19.687273Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.687312Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=54 row_words=25 horizon=3113 2026-09-11T21:39:19.688515Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-11T21:39:19.691785Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=19 tile=173 row_words=112 horizon=2940 2026-09-11T21:39:19.694567Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=58 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:19.694606Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=58 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.696563Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=58 tile=866 row_words=10 horizon=471 2026-09-11T21:39:19.706530Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=68 transfers=2151 maximum_identical_destinations=1 2026-09-11T21:39:19.706568Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=68 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.708417Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=68 tile=16 row_words=51 horizon=183 2026-09-11T21:39:19.711085Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=59 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:19.711131Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=59 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.712249Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=59 tile=47 row_words=23 horizon=374 2026-09-11T21:39:19.714284Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=50 transfers=1741 maximum_identical_destinations=1 2026-09-11T21:39:19.714318Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=50 initial_horizon=5913 selected_horizon=5913 endpoint_lower_bound=4644 lower_bound_gap=1269 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.715780Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=50 tile=14 row_words=49 horizon=5913 2026-09-11T21:39:19.721368Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=69 transfers=1075 maximum_identical_destinations=1 2026-09-11T21:39:19.721405Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=69 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.722707Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=69 tile=46 row_words=9 horizon=216 2026-09-11T21:39:19.723580Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=1475 maximum_identical_destinations=1 2026-09-11T21:39:19.723619Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=2545 selected_horizon=2545 endpoint_lower_bound=1728 lower_bound_gap=817 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.726954Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=723 row_words=48 horizon=2545 2026-09-11T21:39:19.748993Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=63 candidates=32 ordinary_horizon=210 paired_horizon=1250 use_paired=false 2026-09-11T21:39:19.776108Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=65 candidates=35 ordinary_horizon=660 paired_horizon=2329 use_paired=false 2026-09-11T21:39:19.783500Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=70 transfers=1023 maximum_identical_destinations=1 2026-09-11T21:39:19.783528Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=70 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.784459Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=70 tile=0 row_words=1028 horizon=2206 2026-09-11T21:39:19.801831Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=1438 maximum_identical_destinations=1 2026-09-11T21:39:19.801888Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.804799Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=875 row_words=10 horizon=1112 2026-09-11T21:39:19.815820Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=71 candidates=19 ordinary_horizon=2258 paired_horizon=2382 use_paired=false 2026-09-11T21:39:19.894072Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=11520 maximum_identical_destinations=1 2026-09-11T21:39:19.894137Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=2426 selected_horizon=2426 endpoint_lower_bound=2304 lower_bound_gap=122 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.900610Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=90 row_words=107 horizon=2426 2026-09-11T21:39:19.975855Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=2 transfers=16520 maximum_identical_destinations=1 2026-09-11T21:39:19.975905Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=2 initial_horizon=3661 selected_horizon=3661 endpoint_lower_bound=3040 lower_bound_gap=621 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.984561Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=28 transfers=4374 maximum_identical_destinations=1 2026-09-11T21:39:19.984624Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=28 initial_horizon=8747 selected_horizon=8747 endpoint_lower_bound=7872 lower_bound_gap=875 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:19.990523Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=2 tile=1061 row_words=90 horizon=3661 2026-09-11T21:39:19.995100Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=28 tile=136 row_words=181 horizon=8747 2026-09-11T21:39:20.091166Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=29 transfers=10001 maximum_identical_destinations=1 2026-09-11T21:39:20.091235Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=29 initial_horizon=16042 selected_horizon=16042 endpoint_lower_bound=8576 lower_bound_gap=7466 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.096916Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=29 tile=81 row_words=143 horizon=16042 2026-09-11T21:39:20.102369Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=50544 maximum_identical_destinations=1 2026-09-11T21:39:20.102416Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=9085 selected_horizon=9085 endpoint_lower_bound=7424 lower_bound_gap=1661 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.135813Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=473 row_words=171 horizon=9085 2026-09-11T21:39:20.173678Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=21 transfers=2013 maximum_identical_destinations=1 2026-09-11T21:39:20.173752Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=21 initial_horizon=2561 selected_horizon=2561 endpoint_lower_bound=1408 lower_bound_gap=1153 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.177934Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=21 tile=100 row_words=23 horizon=2561 2026-09-11T21:39:20.212181Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=30 transfers=8694 maximum_identical_destinations=1 2026-09-11T21:39:20.212261Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=30 initial_horizon=10602 selected_horizon=10602 endpoint_lower_bound=7872 lower_bound_gap=2730 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.221158Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=30 tile=1428 row_words=47 horizon=10602 2026-09-11T21:39:20.246096Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=42920 maximum_identical_destinations=1 2026-09-11T21:39:20.246150Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=1359 selected_horizon=1359 endpoint_lower_bound=640 lower_bound_gap=719 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.265303Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=297 row_words=174 horizon=1359 2026-09-11T21:39:20.550280Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=45090 maximum_identical_destinations=1 2026-09-11T21:39:20.550341Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=7433 selected_horizon=7433 endpoint_lower_bound=6048 lower_bound_gap=1385 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.586898Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=1090 row_words=186 horizon=7433 2026-09-11T21:39:20.677329Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=22 transfers=20656 maximum_identical_destinations=1 2026-09-11T21:39:20.677388Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=22 initial_horizon=4485 selected_horizon=4485 endpoint_lower_bound=3648 lower_bound_gap=837 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.698791Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=22 tile=535 row_words=106 horizon=4485 2026-09-11T21:39:20.794250Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=41 candidates=6561 ordinary_horizon=8266 paired_horizon=8051 use_paired=false 2026-09-11T21:39:20.833929Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=41 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:39:20.833984Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=41 initial_horizon=8266 selected_horizon=8266 endpoint_lower_bound=5248 lower_bound_gap=3018 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:20.845609Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=41 tile=104 row_words=187 horizon=8266 2026-09-11T21:39:21.292477Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=23 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:39:21.292551Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=23 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=576 lower_bound_gap=270 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.340492Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=23 tile=356 row_words=177 horizon=846 2026-09-11T21:39:21.374775Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=24 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:21.374816Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=24 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.376742Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=24 tile=22 row_words=23 horizon=2909 2026-09-11T21:39:21.394921Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=25 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:21.394952Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=25 initial_horizon=2978 selected_horizon=2978 endpoint_lower_bound=2304 lower_bound_gap=674 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.396918Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=25 tile=13 row_words=21 horizon=2978 2026-09-11T21:39:21.478559Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=51 transfers=68951 maximum_identical_destinations=1 2026-09-11T21:39:21.478674Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=51 initial_horizon=9167 selected_horizon=9167 endpoint_lower_bound=7996 lower_bound_gap=1171 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.514047Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=32 transfers=2820 maximum_identical_destinations=1 2026-09-11T21:39:21.514101Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=32 initial_horizon=3578 selected_horizon=3578 endpoint_lower_bound=1076 lower_bound_gap=2502 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.517735Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=32 tile=1452 row_words=15 horizon=3578 2026-09-11T21:39:21.536764Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=12 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:21.536795Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=12 initial_horizon=4464 selected_horizon=4464 endpoint_lower_bound=3456 lower_bound_gap=1008 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.538633Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=12 tile=79 row_words=14 horizon=4464 2026-09-11T21:39:21.558802Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=13 transfers=2181 maximum_identical_destinations=1 2026-09-11T21:39:21.558836Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=13 initial_horizon=8664 selected_horizon=8664 endpoint_lower_bound=6912 lower_bound_gap=1752 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.560421Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=13 tile=94 row_words=38 horizon=8664 2026-09-11T21:39:21.572079Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=51 tile=78 row_words=2149 horizon=9167 2026-09-11T21:39:21.577466Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=73 transfers=1368 maximum_identical_destinations=1 2026-09-11T21:39:21.577496Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=73 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.578834Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=73 tile=47 row_words=25 horizon=406 2026-09-11T21:39:21.673108Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:39:21.673169Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=858 selected_horizon=858 endpoint_lower_bound=576 lower_bound_gap=282 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.721902Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=356 row_words=177 horizon=858 2026-09-11T21:39:21.723731Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=20 candidates=8748 ordinary_horizon=7565 paired_horizon=11978 use_paired=false 2026-09-11T21:39:21.765323Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:21.765364Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=3625 selected_horizon=3625 endpoint_lower_bound=2304 lower_bound_gap=1321 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.767282Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=74 row_words=15 horizon=3625 2026-09-11T21:39:21.787875Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=16 transfers=66320 maximum_identical_destinations=1 2026-09-11T21:39:21.787928Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=16 initial_horizon=7349 selected_horizon=7349 endpoint_lower_bound=3240 lower_bound_gap=4109 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.802860Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=8748 maximum_identical_destinations=1 2026-09-11T21:39:21.802908Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=7565 selected_horizon=7565 endpoint_lower_bound=7008 lower_bound_gap=557 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:21.821783Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=137 row_words=278 horizon=7565 2026-09-11T21:39:21.823068Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=46 candidates=72 ordinary_horizon=162 paired_horizon=268 use_paired=false 2026-09-11T21:39:21.823251Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=16 tile=966 row_words=285 horizon=7349 2026-09-11T21:39:22.023581Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=37 transfers=51925 maximum_identical_destinations=1 2026-09-11T21:39:22.023638Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=37 initial_horizon=821 selected_horizon=821 endpoint_lower_bound=576 lower_bound_gap=245 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.064892Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=37 tile=1095 row_words=134 horizon=821 2026-09-11T21:39:22.179663Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=34 transfers=19683 maximum_identical_destinations=1 2026-09-11T21:39:22.179732Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=34 initial_horizon=10141 selected_horizon=10141 endpoint_lower_bound=9760 lower_bound_gap=381 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.210178Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=34 tile=480 row_words=519 horizon=10141 2026-09-11T21:39:22.283367Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=18 transfers=43760 maximum_identical_destinations=1 2026-09-11T21:39:22.283427Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=18 initial_horizon=2347 selected_horizon=2347 endpoint_lower_bound=1960 lower_bound_gap=387 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.306832Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=18 tile=96 row_words=112 horizon=2347 2026-09-11T21:39:22.348710Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=17 transfers=71168 maximum_identical_destinations=1 2026-09-11T21:39:22.348763Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=17 initial_horizon=13126 selected_horizon=13126 endpoint_lower_bound=8704 lower_bound_gap=4422 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.395080Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=17 tile=79 row_words=268 horizon=13126 2026-09-11T21:39:22.879728Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=36 transfers=112284 maximum_identical_destinations=1 2026-09-11T21:39:22.879793Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=36 initial_horizon=10541 selected_horizon=10541 endpoint_lower_bound=9072 lower_bound_gap=1469 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.896895Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=14 transfers=127912 maximum_identical_destinations=1 2026-09-11T21:39:22.896942Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=14 initial_horizon=9882 selected_horizon=9882 endpoint_lower_bound=6912 lower_bound_gap=2970 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:22.993419Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=36 tile=704 row_words=423 horizon=10541 2026-09-11T21:39:23.053690Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=14 tile=70 row_words=2698 horizon=9882 2026-09-11T21:39:23.209017Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=103635 maximum_identical_destinations=1 2026-09-11T21:39:23.209070Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=1463 selected_horizon=1463 endpoint_lower_bound=1152 lower_bound_gap=311 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:23.295148Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=235 row_words=253 horizon=1463 2026-09-11T21:39:23.367657Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=11 transfers=155252 maximum_identical_destinations=1 2026-09-11T21:39:23.367721Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=11 initial_horizon=2258 selected_horizon=2258 endpoint_lower_bound=1728 lower_bound_gap=530 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:23.484419Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=11 tile=231 row_words=310 horizon=2258 2026-09-11T21:39:24.807794Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=15 transfers=32720 maximum_identical_destinations=1 2026-09-11T21:39:24.807858Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=15 initial_horizon=6489 selected_horizon=6489 endpoint_lower_bound=5796 lower_bound_gap=693 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:24.873184Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=15 tile=71 row_words=618 horizon=6489 2026-09-11T21:39:24.956010Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=8 candidates=6561 ordinary_horizon=16505 paired_horizon=21452 use_paired=false 2026-09-11T21:39:25.069778Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=8 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:39:25.069826Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=8 initial_horizon=16505 selected_horizon=16505 endpoint_lower_bound=15616 lower_bound_gap=889 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:25.093306Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=8 tile=170 row_words=415 horizon=16505 2026-09-11T21:39:25.739632Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=35 transfers=303406 maximum_identical_destinations=1 2026-09-11T21:39:25.739718Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=35 initial_horizon=11280 selected_horizon=11280 endpoint_lower_bound=6016 lower_bound_gap=5264 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:25.959287Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=35 tile=45 row_words=1527 horizon=11280 2026-09-11T21:39:26.717148Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=72 transfers=301599 maximum_identical_destinations=1 2026-09-11T21:39:26.717241Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=72 initial_horizon=1906 selected_horizon=1906 endpoint_lower_bound=896 lower_bound_gap=1010 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:27.013997Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=72 tile=324 row_words=455 horizon=1906 2026-09-11T21:39:28.136056Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=31 transfers=195689 maximum_identical_destinations=1 2026-09-11T21:39:28.136132Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=31 initial_horizon=2731 selected_horizon=2731 endpoint_lower_bound=2152 lower_bound_gap=579 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:28.391809Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=31 tile=553 row_words=658 horizon=2731 2026-09-11T21:39:28.499409Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=7106 ordinary_horizon=6573 paired_horizon=18271 use_paired=false 2026-09-11T21:39:28.583604Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=7290 maximum_identical_destinations=1 2026-09-11T21:39:28.583645Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=6573 selected_horizon=6573 endpoint_lower_bound=5888 lower_bound_gap=685 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:28.603597Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=45 row_words=337 horizon=6573 2026-09-11T21:39:28.689701Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=71 success=true 2026-09-11T21:39:28.694738Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=4 success=true 2026-09-11T21:39:28.704449Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true 2026-09-11T21:39:28.918867Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=49760 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0 2026-09-11T21:39:29.419003Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=55 success=true 2026-09-11T21:39:29.419100Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=385664 host_code_base=385664 host_code_bytes=1096 generated_code_bytes=11208 exchange_table_bytes=49760 executable_ranges=[(377228, 377232), (377628, 377632), (378372, 378376), (379116, 379120), (381516, 381520), (382676, 382680), (384692, 384696), (386824, 524288)] 2026-09-11T21:39:29.419164Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=385664 profile_bytes=0 exchange_table_bytes=49760 host_code_bytes=1096 host_data_bytes=776 generated_code_bytes=11208 code_address=386824 available_ranges=[(327680, 360448), (362984, 376832), (475136, 949168)] 2026-09-11T21:39:29.897182Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=477 success=true 2026-09-11T21:39:29.914350Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7 2026-09-11T21:39:29.916153Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38 2026-09-11T21:39:29.916925Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=38 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:29.916942Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=38 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.919175Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=38 tile=22 row_words=23 horizon=2909 2026-09-11T21:39:29.925974Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12 2026-09-11T21:39:29.926681Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=12 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:29.926701Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=12 initial_horizon=4464 selected_horizon=4464 endpoint_lower_bound=3456 lower_bound_gap=1008 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.928729Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=12 tile=79 row_words=14 horizon=4464 2026-09-11T21:39:29.929495Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4 2026-09-11T21:39:29.930816Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=2773 maximum_identical_destinations=1 2026-09-11T21:39:29.930844Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=1088 selected_horizon=1088 endpoint_lower_bound=288 lower_bound_gap=800 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.932814Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9 2026-09-11T21:39:29.934561Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=677 row_words=17 horizon=1088 2026-09-11T21:39:29.934664Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=3075 maximum_identical_destinations=1 2026-09-11T21:39:29.934690Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=4801 selected_horizon=4801 endpoint_lower_bound=2816 lower_bound_gap=1985 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.938747Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=397 row_words=31 horizon=4801 2026-09-11T21:39:29.952477Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57 2026-09-11T21:39:29.957671Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5 2026-09-11T21:39:29.958614Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=2193 maximum_identical_destinations=1 2026-09-11T21:39:29.958636Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=3113 selected_horizon=3113 endpoint_lower_bound=2304 lower_bound_gap=809 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.960453Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6 2026-09-11T21:39:29.960730Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47 2026-09-11T21:39:29.960893Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=54 row_words=25 horizon=3113 2026-09-11T21:39:29.961090Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=47 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:29.961103Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=47 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.961296Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=13 transfers=2181 maximum_identical_destinations=1 2026-09-11T21:39:29.961333Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=13 initial_horizon=8165 selected_horizon=8165 endpoint_lower_bound=6912 lower_bound_gap=1253 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:29.962872Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=47 tile=866 row_words=10 horizon=471 2026-09-11T21:39:29.962939Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=13 tile=94 row_words=38 horizon=8165 2026-09-11T21:39:29.974085Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48 2026-09-11T21:39:29.974527Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:29.974548Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.975672Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-11T21:39:29.976614Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67 2026-09-11T21:39:29.977249Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=1400 maximum_identical_destinations=1 2026-09-11T21:39:29.977266Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.978822Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=39 row_words=39 horizon=4006 2026-09-11T21:39:29.984721Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58 2026-09-11T21:39:29.984865Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49 2026-09-11T21:39:29.986224Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=58 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:29.986243Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=58 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.988095Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19 2026-09-11T21:39:29.989729Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=58 tile=866 row_words=10 horizon=471 2026-09-11T21:39:29.994630Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=19 transfers=11656 maximum_identical_destinations=1 2026-09-11T21:39:29.994664Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=19 initial_horizon=2940 selected_horizon=2940 endpoint_lower_bound=2304 lower_bound_gap=636 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.995585Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50 2026-09-11T21:39:29.996132Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=50 transfers=1741 maximum_identical_destinations=1 2026-09-11T21:39:29.996144Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=50 initial_horizon=5913 selected_horizon=5913 endpoint_lower_bound=4644 lower_bound_gap=1269 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:29.997261Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=50 tile=14 row_words=49 horizon=5913 2026-09-11T21:39:30.000325Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59 2026-09-11T21:39:30.000747Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:30.000760Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.001642Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=19 tile=173 row_words=112 horizon=2940 2026-09-11T21:39:30.001957Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=47 row_words=23 horizon=374 2026-09-11T21:39:30.002804Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39 2026-09-11T21:39:30.005801Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=1475 maximum_identical_destinations=1 2026-09-11T21:39:30.005823Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=2545 selected_horizon=2545 endpoint_lower_bound=1728 lower_bound_gap=817 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.009681Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=723 row_words=48 horizon=2545 2026-09-11T21:39:30.009986Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60 2026-09-11T21:39:30.014417Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68 2026-09-11T21:39:30.014883Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61 2026-09-11T21:39:30.015326Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=68 transfers=2151 maximum_identical_destinations=1 2026-09-11T21:39:30.015348Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=68 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.016780Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62 2026-09-11T21:39:30.017331Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=68 tile=16 row_words=51 horizon=183 2026-09-11T21:39:30.020243Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40 2026-09-11T21:39:30.023275Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63 2026-09-11T21:39:30.024260Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64 2026-09-11T21:39:30.029400Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=69 2026-09-11T21:39:30.029809Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=69 transfers=1075 maximum_identical_destinations=1 2026-09-11T21:39:30.029819Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=69 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.031260Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=69 tile=46 row_words=9 horizon=216 2026-09-11T21:39:30.032978Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65 2026-09-11T21:39:30.042354Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=70 2026-09-11T21:39:30.042746Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=70 transfers=1023 maximum_identical_destinations=1 2026-09-11T21:39:30.042756Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=70 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.043837Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=70 tile=0 row_words=1028 horizon=2206 2026-09-11T21:39:30.048473Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66 2026-09-11T21:39:30.048949Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=1438 maximum_identical_destinations=1 2026-09-11T21:39:30.048960Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.051133Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=875 row_words=10 horizon=1112 2026-09-11T21:39:30.054622Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71 2026-09-11T21:39:30.074336Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33 2026-09-11T21:39:30.075832Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=33 transfers=2198 maximum_identical_destinations=1 2026-09-11T21:39:30.075871Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=33 initial_horizon=4977 selected_horizon=4977 endpoint_lower_bound=2152 lower_bound_gap=2825 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.079997Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=33 tile=684 row_words=18 horizon=4977 2026-09-11T21:39:30.151371Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52 2026-09-11T21:39:30.158165Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=11520 maximum_identical_destinations=1 2026-09-11T21:39:30.158197Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=2426 selected_horizon=2426 endpoint_lower_bound=2304 lower_bound_gap=122 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.165318Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=90 row_words=107 horizon=2426 2026-09-11T21:39:30.176455Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53 2026-09-11T21:39:30.179513Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54 2026-09-11T21:39:30.180859Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55 2026-09-11T21:39:30.181862Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56 2026-09-11T21:39:30.204338Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21 2026-09-11T21:39:30.205336Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=21 transfers=2013 maximum_identical_destinations=1 2026-09-11T21:39:30.205358Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=21 initial_horizon=2561 selected_horizon=2561 endpoint_lower_bound=1408 lower_bound_gap=1153 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.207962Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=21 tile=100 row_words=23 horizon=2561 2026-09-11T21:39:30.228484Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2 2026-09-11T21:39:30.239122Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=16520 maximum_identical_destinations=1 2026-09-11T21:39:30.239156Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=3661 selected_horizon=3661 endpoint_lower_bound=3040 lower_bound_gap=621 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.256326Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=1061 row_words=90 horizon=3661 2026-09-11T21:39:30.276111Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10 2026-09-11T21:39:30.293558Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28 2026-09-11T21:39:30.301882Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=50544 maximum_identical_destinations=1 2026-09-11T21:39:30.301916Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=9085 selected_horizon=9085 endpoint_lower_bound=7424 lower_bound_gap=1661 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.321971Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=28 transfers=4374 maximum_identical_destinations=1 2026-09-11T21:39:30.322005Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=28 initial_horizon=8747 selected_horizon=8747 endpoint_lower_bound=7872 lower_bound_gap=875 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.335860Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=28 tile=136 row_words=181 horizon=8747 2026-09-11T21:39:30.336714Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=473 row_words=171 horizon=9085 2026-09-11T21:39:30.348974Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30 2026-09-11T21:39:30.353566Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=30 transfers=8694 maximum_identical_destinations=1 2026-09-11T21:39:30.353592Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=30 initial_horizon=10602 selected_horizon=10602 endpoint_lower_bound=7872 lower_bound_gap=2730 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.363500Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=30 tile=1428 row_words=47 horizon=10602 2026-09-11T21:39:30.367111Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25 2026-09-11T21:39:30.367665Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=25 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:30.367686Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=25 initial_horizon=2978 selected_horizon=2978 endpoint_lower_bound=2304 lower_bound_gap=674 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.369402Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=25 tile=13 row_words=21 horizon=2978 2026-09-11T21:39:30.382992Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24 2026-09-11T21:39:30.383595Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=24 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:30.383612Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=24 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.385610Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=24 tile=22 row_words=23 horizon=2909 2026-09-11T21:39:30.395116Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27 2026-09-11T21:39:30.420669Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42 2026-09-11T21:39:30.421949Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=42 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:30.421985Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=42 initial_horizon=8454 selected_horizon=8454 endpoint_lower_bound=4608 lower_bound_gap=3846 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.425948Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=42 tile=146 row_words=20 horizon=8454 2026-09-11T21:39:30.436377Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26 2026-09-11T21:39:30.524051Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1 2026-09-11T21:39:30.549978Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=42920 maximum_identical_destinations=1 2026-09-11T21:39:30.550017Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=1359 selected_horizon=1359 endpoint_lower_bound=640 lower_bound_gap=719 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.571945Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=297 row_words=174 horizon=1359 2026-09-11T21:39:30.591060Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74 2026-09-11T21:39:30.592171Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41 2026-09-11T21:39:30.596173Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=75 2026-09-11T21:39:30.602534Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=76 2026-09-11T21:39:30.616890Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=73 2026-09-11T21:39:30.617508Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=73 transfers=1368 maximum_identical_destinations=1 2026-09-11T21:39:30.617524Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=73 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.619273Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=73 tile=47 row_words=25 horizon=406 2026-09-11T21:39:30.622534Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=41 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:39:30.622561Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=41 initial_horizon=8266 selected_horizon=8266 endpoint_lower_bound=5248 lower_bound_gap=3018 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.626087Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22 2026-09-11T21:39:30.637467Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=41 tile=104 row_words=187 horizon=8266 2026-09-11T21:39:30.639125Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=22 transfers=20656 maximum_identical_destinations=1 2026-09-11T21:39:30.639158Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=22 initial_horizon=4485 selected_horizon=4485 endpoint_lower_bound=3648 lower_bound_gap=837 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.665142Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=22 tile=535 row_words=106 horizon=4485 2026-09-11T21:39:30.681759Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32 2026-09-11T21:39:30.683517Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=32 transfers=2820 maximum_identical_destinations=1 2026-09-11T21:39:30.683541Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=32 initial_horizon=3578 selected_horizon=3578 endpoint_lower_bound=1076 lower_bound_gap=2502 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:30.687715Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=32 tile=1452 row_words=15 horizon=3578 2026-09-11T21:39:30.979784Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20 2026-09-11T21:39:31.044343Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=8748 maximum_identical_destinations=1 2026-09-11T21:39:31.044393Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=7565 selected_horizon=7565 endpoint_lower_bound=7008 lower_bound_gap=557 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.065634Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=137 row_words=278 horizon=7565 2026-09-11T21:39:31.096535Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45 2026-09-11T21:39:31.097351Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:31.097375Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=3625 selected_horizon=3625 endpoint_lower_bound=2304 lower_bound_gap=1321 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.100186Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=74 row_words=15 horizon=3625 2026-09-11T21:39:31.134574Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46 2026-09-11T21:39:31.234592Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3 2026-09-11T21:39:31.288062Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43 2026-09-11T21:39:31.319983Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=45090 maximum_identical_destinations=1 2026-09-11T21:39:31.320038Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=7433 selected_horizon=7433 endpoint_lower_bound=6048 lower_bound_gap=1385 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.325040Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:39:31.325083Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=858 selected_horizon=858 endpoint_lower_bound=576 lower_bound_gap=282 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.347797Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23 2026-09-11T21:39:31.370877Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51 2026-09-11T21:39:31.372355Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=1090 row_words=186 horizon=7433 2026-09-11T21:39:31.389545Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=356 row_words=177 horizon=858 2026-09-11T21:39:31.392103Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=23 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:39:31.392145Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=23 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=576 lower_bound_gap=270 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.406118Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=51 transfers=68951 maximum_identical_destinations=1 2026-09-11T21:39:31.406151Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=51 initial_horizon=9167 selected_horizon=9167 endpoint_lower_bound=7996 lower_bound_gap=1171 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:31.439795Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=23 tile=356 row_words=177 horizon=846 2026-09-11T21:39:31.494696Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=51 tile=78 row_words=2149 horizon=9167 2026-09-11T21:39:32.048788Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18 2026-09-11T21:39:32.076773Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=18 transfers=43760 maximum_identical_destinations=1 2026-09-11T21:39:32.076826Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=18 initial_horizon=2347 selected_horizon=2347 endpoint_lower_bound=1960 lower_bound_gap=387 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.106391Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=18 tile=96 row_words=112 horizon=2347 2026-09-11T21:39:32.180127Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17 2026-09-11T21:39:32.208725Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37 2026-09-11T21:39:32.222005Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=17 transfers=71168 maximum_identical_destinations=1 2026-09-11T21:39:32.222047Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=17 initial_horizon=13126 selected_horizon=13126 endpoint_lower_bound=8704 lower_bound_gap=4422 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.253586Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=37 transfers=51925 maximum_identical_destinations=1 2026-09-11T21:39:32.253649Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=37 initial_horizon=821 selected_horizon=821 endpoint_lower_bound=576 lower_bound_gap=245 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.280909Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=17 tile=79 row_words=268 horizon=13126 2026-09-11T21:39:32.297618Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=37 tile=1095 row_words=134 horizon=821 2026-09-11T21:39:32.372130Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34 2026-09-11T21:39:32.423368Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=34 transfers=19683 maximum_identical_destinations=1 2026-09-11T21:39:32.423411Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=34 initial_horizon=10141 selected_horizon=10141 endpoint_lower_bound=9760 lower_bound_gap=381 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.454485Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=34 tile=480 row_words=519 horizon=10141 2026-09-11T21:39:32.454539Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8 2026-09-11T21:39:32.512143Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:39:32.512184Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=16505 selected_horizon=16505 endpoint_lower_bound=15616 lower_bound_gap=889 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.532251Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=170 row_words=415 horizon=16505 2026-09-11T21:39:32.696443Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=16 transfers=66320 maximum_identical_destinations=1 2026-09-11T21:39:32.696507Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=16 initial_horizon=7349 selected_horizon=7349 endpoint_lower_bound=3240 lower_bound_gap=4109 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:32.731886Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=16 tile=966 row_words=285 horizon=7349 2026-09-11T21:39:32.760174Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44 2026-09-11T21:39:32.817672Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=103635 maximum_identical_destinations=1 2026-09-11T21:39:32.817708Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=1463 selected_horizon=1463 endpoint_lower_bound=1152 lower_bound_gap=311 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:32.905233Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=235 row_words=253 horizon=1463 2026-09-11T21:39:33.172621Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15 2026-09-11T21:39:33.253031Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=15 transfers=32720 maximum_identical_destinations=1 2026-09-11T21:39:33.253101Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=15 initial_horizon=6489 selected_horizon=6489 endpoint_lower_bound=5796 lower_bound_gap=693 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:33.322061Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=15 tile=71 row_words=618 horizon=6489 2026-09-11T21:39:33.735135Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14 2026-09-11T21:39:33.800272Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=14 transfers=127912 maximum_identical_destinations=1 2026-09-11T21:39:33.800327Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=14 initial_horizon=9882 selected_horizon=9882 endpoint_lower_bound=6912 lower_bound_gap=2970 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:34.027603Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=14 tile=70 row_words=2698 horizon=9882 2026-09-11T21:39:34.535048Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11 2026-09-11T21:39:34.624089Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=11 transfers=155252 maximum_identical_destinations=1 2026-09-11T21:39:34.624138Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=11 initial_horizon=2258 selected_horizon=2258 endpoint_lower_bound=1728 lower_bound_gap=530 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:34.736643Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=11 tile=231 row_words=310 horizon=2258 2026-09-11T21:39:35.758249Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31 2026-09-11T21:39:35.806139Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=36 transfers=112284 maximum_identical_destinations=1 2026-09-11T21:39:35.806197Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=36 initial_horizon=13487 selected_horizon=13487 endpoint_lower_bound=9072 lower_bound_gap=4415 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:35.878258Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=31 transfers=195689 maximum_identical_destinations=1 2026-09-11T21:39:35.878303Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=31 initial_horizon=2731 selected_horizon=2731 endpoint_lower_bound=2152 lower_bound_gap=579 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:35.912914Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=36 tile=704 row_words=430 horizon=13487 2026-09-11T21:39:36.113309Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=31 tile=553 row_words=658 horizon=2731 2026-09-11T21:39:36.171746Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35 2026-09-11T21:39:36.234502Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29 2026-09-11T21:39:36.241331Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=29 transfers=10001 maximum_identical_destinations=1 2026-09-11T21:39:36.241368Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=29 initial_horizon=16042 selected_horizon=16042 endpoint_lower_bound=8576 lower_bound_gap=7466 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:36.249690Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=29 tile=81 row_words=143 horizon=16042 2026-09-11T21:39:36.320804Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=35 transfers=303406 maximum_identical_destinations=1 2026-09-11T21:39:36.320839Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=35 initial_horizon=11280 selected_horizon=11280 endpoint_lower_bound=6016 lower_bound_gap=5264 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:36.535918Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72 2026-09-11T21:39:36.548860Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=35 tile=45 row_words=1527 horizon=11280 2026-09-11T21:39:36.691687Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=72 transfers=301599 maximum_identical_destinations=1 2026-09-11T21:39:36.691745Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=72 initial_horizon=1906 selected_horizon=1906 endpoint_lower_bound=896 lower_bound_gap=1010 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:37.000916Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=72 tile=324 row_words=455 horizon=1906 2026-09-11T21:39:37.134284Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0 2026-09-11T21:39:37.194325Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=7290 maximum_identical_destinations=1 2026-09-11T21:39:37.194361Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=6573 selected_horizon=6573 endpoint_lower_bound=5888 lower_bound_gap=685 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:37.212737Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=45 row_words=337 horizon=6573 2026-09-11T21:39:37.224554Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=7327 success=true 2026-09-11T21:39:47.531813Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=57 2026-09-11T21:39:47.534874Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=67 2026-09-11T21:39:47.535871Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=67 transfers=1400 maximum_identical_destinations=1 2026-09-11T21:39:47.535893Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=67 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.537115Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=38 2026-09-11T21:39:47.538131Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=38 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:47.538152Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=38 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.540411Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=67 tile=39 row_words=39 horizon=4006 2026-09-11T21:39:47.540938Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=38 tile=22 row_words=23 horizon=2909 2026-09-11T21:39:47.548039Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=47 2026-09-11T21:39:47.548142Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=62 2026-09-11T21:39:47.548809Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=47 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:47.548830Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=47 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.551690Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=47 tile=866 row_words=10 horizon=471 2026-09-11T21:39:47.552775Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=75 2026-09-11T21:39:47.553370Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=74 2026-09-11T21:39:47.556467Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4 2026-09-11T21:39:47.557976Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=4 transfers=2773 maximum_identical_destinations=1 2026-09-11T21:39:47.558006Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=4 initial_horizon=1088 selected_horizon=1088 endpoint_lower_bound=288 lower_bound_gap=800 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.558959Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=58 2026-09-11T21:39:47.559421Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=63 2026-09-11T21:39:47.559726Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=58 transfers=1294 maximum_identical_destinations=1 2026-09-11T21:39:47.559744Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=58 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.560918Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=64 2026-09-11T21:39:47.561776Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=4 tile=677 row_words=17 horizon=1088 2026-09-11T21:39:47.562047Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=76 2026-09-11T21:39:47.563052Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=58 tile=866 row_words=10 horizon=471 2026-09-11T21:39:47.568293Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=9 2026-09-11T21:39:47.568503Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=48 2026-09-11T21:39:47.569115Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=48 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:47.569130Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=48 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.569500Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=73 2026-09-11T21:39:47.570189Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=73 transfers=1368 maximum_identical_destinations=1 2026-09-11T21:39:47.570236Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=73 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.570354Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=9 transfers=3075 maximum_identical_destinations=1 2026-09-11T21:39:47.570377Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=9 initial_horizon=4801 selected_horizon=4801 endpoint_lower_bound=2816 lower_bound_gap=1985 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.571086Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=48 tile=47 row_words=23 horizon=374 2026-09-11T21:39:47.571905Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=73 tile=47 row_words=25 horizon=406 2026-09-11T21:39:47.573886Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=65 2026-09-11T21:39:47.576022Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=9 tile=397 row_words=31 horizon=4801 2026-09-11T21:39:47.578289Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=59 2026-09-11T21:39:47.578911Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=59 transfers=1224 maximum_identical_destinations=1 2026-09-11T21:39:47.578926Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=59 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.580616Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=59 tile=47 row_words=23 horizon=374 2026-09-11T21:39:47.583840Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=66 2026-09-11T21:39:47.584462Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=66 transfers=1438 maximum_identical_destinations=1 2026-09-11T21:39:47.584480Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=66 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.584996Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=49 2026-09-11T21:39:47.586916Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=5 2026-09-11T21:39:47.587333Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=68 2026-09-11T21:39:47.587492Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=66 tile=875 row_words=10 horizon=1112 2026-09-11T21:39:47.587925Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=5 transfers=2193 maximum_identical_destinations=1 2026-09-11T21:39:47.587944Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=5 initial_horizon=3113 selected_horizon=3113 endpoint_lower_bound=2304 lower_bound_gap=809 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.588405Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=68 transfers=2151 maximum_identical_destinations=1 2026-09-11T21:39:47.588427Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=68 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.588978Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=69 2026-09-11T21:39:47.589479Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=69 transfers=1075 maximum_identical_destinations=1 2026-09-11T21:39:47.589495Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=69 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.590519Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=5 tile=54 row_words=25 horizon=3113 2026-09-11T21:39:47.590824Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=68 tile=16 row_words=51 horizon=183 2026-09-11T21:39:47.591478Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=69 tile=46 row_words=9 horizon=216 2026-09-11T21:39:47.594329Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=60 2026-09-11T21:39:47.599311Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=61 2026-09-11T21:39:47.601000Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=70 2026-09-11T21:39:47.601132Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=50 2026-09-11T21:39:47.601465Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=70 transfers=1023 maximum_identical_destinations=1 2026-09-11T21:39:47.601491Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=70 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.601976Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=50 transfers=1741 maximum_identical_destinations=1 2026-09-11T21:39:47.601994Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=50 initial_horizon=5913 selected_horizon=5913 endpoint_lower_bound=4644 lower_bound_gap=1269 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.602698Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=70 tile=0 row_words=1028 horizon=2206 2026-09-11T21:39:47.603879Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=50 tile=14 row_words=49 horizon=5913 2026-09-11T21:39:47.604293Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=71 2026-09-11T21:39:47.605147Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=54 2026-09-11T21:39:47.606617Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=55 2026-09-11T21:39:47.607236Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=7 2026-09-11T21:39:47.607624Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=56 2026-09-11T21:39:47.616453Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=19 2026-09-11T21:39:47.616461Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=33 2026-09-11T21:39:47.616935Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=6 2026-09-11T21:39:47.617554Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=33 transfers=2198 maximum_identical_destinations=1 2026-09-11T21:39:47.617582Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=33 initial_horizon=4977 selected_horizon=4977 endpoint_lower_bound=2152 lower_bound_gap=2825 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.620971Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=33 tile=684 row_words=18 horizon=4977 2026-09-11T21:39:47.622620Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=19 transfers=11656 maximum_identical_destinations=1 2026-09-11T21:39:47.622656Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=19 initial_horizon=2940 selected_horizon=2940 endpoint_lower_bound=2304 lower_bound_gap=636 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.623701Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=40 2026-09-11T21:39:47.629093Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=19 tile=173 row_words=112 horizon=2940 2026-09-11T21:39:47.630106Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=39 2026-09-11T21:39:47.633089Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=39 transfers=1475 maximum_identical_destinations=1 2026-09-11T21:39:47.633118Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=39 initial_horizon=2545 selected_horizon=2545 endpoint_lower_bound=1728 lower_bound_gap=817 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.633858Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=42 2026-09-11T21:39:47.634620Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=42 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:47.634642Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=42 initial_horizon=8454 selected_horizon=8454 endpoint_lower_bound=4608 lower_bound_gap=3846 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.636687Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=42 tile=146 row_words=20 horizon=8454 2026-09-11T21:39:47.637099Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=39 tile=723 row_words=48 horizon=2545 2026-09-11T21:39:47.640136Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=25 2026-09-11T21:39:47.640686Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=25 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:47.640701Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=25 initial_horizon=2978 selected_horizon=2978 endpoint_lower_bound=2304 lower_bound_gap=674 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.642177Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=25 tile=13 row_words=21 horizon=2978 2026-09-11T21:39:47.659097Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=27 2026-09-11T21:39:47.663470Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=53 2026-09-11T21:39:47.695347Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=26 2026-09-11T21:39:47.715833Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=45 2026-09-11T21:39:47.716380Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=45 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:47.716398Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=45 initial_horizon=3625 selected_horizon=3625 endpoint_lower_bound=2304 lower_bound_gap=1321 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.718195Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=45 tile=74 row_words=15 horizon=3625 2026-09-11T21:39:47.733913Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=29 2026-09-11T21:39:47.734669Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=52 2026-09-11T21:39:47.735730Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=30 2026-09-11T21:39:47.738769Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=29 transfers=10001 maximum_identical_destinations=1 2026-09-11T21:39:47.738792Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=29 initial_horizon=16042 selected_horizon=16042 endpoint_lower_bound=8576 lower_bound_gap=7466 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.739469Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=30 transfers=8694 maximum_identical_destinations=1 2026-09-11T21:39:47.739497Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=30 initial_horizon=10602 selected_horizon=10602 endpoint_lower_bound=7872 lower_bound_gap=2730 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.741697Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=52 transfers=11520 maximum_identical_destinations=1 2026-09-11T21:39:47.741733Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=52 initial_horizon=2426 selected_horizon=2426 endpoint_lower_bound=2304 lower_bound_gap=122 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.745617Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=29 tile=81 row_words=143 horizon=16042 2026-09-11T21:39:47.748624Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=30 tile=1428 row_words=47 horizon=10602 2026-09-11T21:39:47.748796Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=46 2026-09-11T21:39:47.749056Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=52 tile=90 row_words=107 horizon=2426 2026-09-11T21:39:47.797475Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=32 2026-09-11T21:39:47.798715Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=32 transfers=2820 maximum_identical_destinations=1 2026-09-11T21:39:47.798742Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=32 initial_horizon=3578 selected_horizon=3578 endpoint_lower_bound=1076 lower_bound_gap=2502 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.801990Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=32 tile=1452 row_words=15 horizon=3578 2026-09-11T21:39:47.806946Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=21 2026-09-11T21:39:47.807948Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=21 transfers=2013 maximum_identical_destinations=1 2026-09-11T21:39:47.807966Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=21 initial_horizon=2561 selected_horizon=2561 endpoint_lower_bound=1408 lower_bound_gap=1153 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.810569Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=21 tile=100 row_words=23 horizon=2561 2026-09-11T21:39:47.860075Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=2 2026-09-11T21:39:47.870811Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=16520 maximum_identical_destinations=1 2026-09-11T21:39:47.870859Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=3661 selected_horizon=3661 endpoint_lower_bound=3040 lower_bound_gap=621 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.888404Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=1061 row_words=90 horizon=3661 2026-09-11T21:39:47.912561Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=12 2026-09-11T21:39:47.913194Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=12 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:39:47.913240Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=12 initial_horizon=4464 selected_horizon=4464 endpoint_lower_bound=3456 lower_bound_gap=1008 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.915249Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=12 tile=79 row_words=14 horizon=4464 2026-09-11T21:39:47.935360Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=13 2026-09-11T21:39:47.936313Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=13 transfers=2181 maximum_identical_destinations=1 2026-09-11T21:39:47.936335Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=13 initial_horizon=8165 selected_horizon=8165 endpoint_lower_bound=6912 lower_bound_gap=1253 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.938318Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=13 tile=94 row_words=38 horizon=8165 2026-09-11T21:39:47.946645Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=28 2026-09-11T21:39:47.976773Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=28 transfers=4374 maximum_identical_destinations=1 2026-09-11T21:39:47.976809Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=28 initial_horizon=8747 selected_horizon=8747 endpoint_lower_bound=7872 lower_bound_gap=875 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:47.992129Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=28 tile=136 row_words=181 horizon=8747 2026-09-11T21:39:48.034490Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=10 2026-09-11T21:39:48.068941Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=10 transfers=50544 maximum_identical_destinations=1 2026-09-11T21:39:48.068976Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=10 initial_horizon=9085 selected_horizon=9085 endpoint_lower_bound=7424 lower_bound_gap=1661 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.109066Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=10 tile=473 row_words=171 horizon=9085 2026-09-11T21:39:48.135566Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1 2026-09-11T21:39:48.162029Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=42920 maximum_identical_destinations=1 2026-09-11T21:39:48.162066Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=1359 selected_horizon=1359 endpoint_lower_bound=640 lower_bound_gap=719 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.184758Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=297 row_words=174 horizon=1359 2026-09-11T21:39:48.249338Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=41 2026-09-11T21:39:48.278221Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=41 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:39:48.278255Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=41 initial_horizon=8266 selected_horizon=8266 endpoint_lower_bound=5248 lower_bound_gap=3018 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.290710Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=41 tile=104 row_words=187 horizon=8266 2026-09-11T21:39:48.473343Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=43 2026-09-11T21:39:48.496851Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=43 transfers=45090 maximum_identical_destinations=1 2026-09-11T21:39:48.496889Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=43 initial_horizon=7433 selected_horizon=7433 endpoint_lower_bound=6048 lower_bound_gap=1385 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.533970Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=43 tile=1090 row_words=186 horizon=7433 2026-09-11T21:39:48.542799Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=20 2026-09-11T21:39:48.593551Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=20 transfers=8748 maximum_identical_destinations=1 2026-09-11T21:39:48.593603Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=20 initial_horizon=7565 selected_horizon=7565 endpoint_lower_bound=7008 lower_bound_gap=557 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.612576Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=20 tile=137 row_words=278 horizon=7565 2026-09-11T21:39:48.615936Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=18 2026-09-11T21:39:48.641700Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=18 transfers=43760 maximum_identical_destinations=1 2026-09-11T21:39:48.641734Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=18 initial_horizon=2347 selected_horizon=2347 endpoint_lower_bound=1960 lower_bound_gap=387 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:48.669150Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=18 tile=96 row_words=112 horizon=2347 2026-09-11T21:39:48.996804Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=23 2026-09-11T21:39:49.032452Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=23 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:39:49.032497Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=23 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=576 lower_bound_gap=270 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:49.085705Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=23 tile=356 row_words=177 horizon=846 2026-09-11T21:39:49.277331Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=17 2026-09-11T21:39:49.313264Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=17 transfers=71168 maximum_identical_destinations=1 2026-09-11T21:39:49.313304Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=17 initial_horizon=13126 selected_horizon=13126 endpoint_lower_bound=8704 lower_bound_gap=4422 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:49.360518Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=17 tile=79 row_words=268 horizon=13126 2026-09-11T21:39:49.800732Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=34 2026-09-11T21:39:49.859613Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=34 transfers=19683 maximum_identical_destinations=1 2026-09-11T21:39:49.859678Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=34 initial_horizon=10141 selected_horizon=10141 endpoint_lower_bound=9760 lower_bound_gap=381 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:49.905437Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=34 tile=480 row_words=519 horizon=10141 2026-09-11T21:39:49.910388Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=44 2026-09-11T21:39:49.978498Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=44 transfers=103635 maximum_identical_destinations=1 2026-09-11T21:39:49.978546Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=44 initial_horizon=1463 selected_horizon=1463 endpoint_lower_bound=1152 lower_bound_gap=311 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:50.069292Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=44 tile=235 row_words=253 horizon=1463 2026-09-11T21:39:50.189186Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=16 transfers=66320 maximum_identical_destinations=1 2026-09-11T21:39:50.189272Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=16 initial_horizon=5795 selected_horizon=5795 endpoint_lower_bound=3240 lower_bound_gap=2555 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:50.227959Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=16 tile=322 row_words=274 horizon=5795 2026-09-11T21:39:50.997667Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=15 2026-09-11T21:39:51.073612Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=15 transfers=32720 maximum_identical_destinations=1 2026-09-11T21:39:51.073651Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=15 initial_horizon=6489 selected_horizon=6489 endpoint_lower_bound=5796 lower_bound_gap=693 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:51.135602Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=15 tile=71 row_words=618 horizon=6489 2026-09-11T21:39:51.490148Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=14 2026-09-11T21:39:51.552761Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=14 transfers=127912 maximum_identical_destinations=1 2026-09-11T21:39:51.552798Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=14 initial_horizon=9882 selected_horizon=9882 endpoint_lower_bound=6912 lower_bound_gap=2970 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:51.806061Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=14 tile=70 row_words=2698 horizon=9882 2026-09-11T21:39:52.753445Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=36 transfers=112284 maximum_identical_destinations=1 2026-09-11T21:39:52.753514Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=36 initial_horizon=11931 selected_horizon=11931 endpoint_lower_bound=9072 lower_bound_gap=2859 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-11T21:39:52.867258Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=36 tile=704 row_words=423 horizon=11931 2026-09-11T21:39:53.080026Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0 2026-09-11T21:39:53.162670Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=0 transfers=7290 maximum_identical_destinations=1 2026-09-11T21:39:53.162728Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=0 initial_horizon=6573 selected_horizon=6573 endpoint_lower_bound=5888 lower_bound_gap=685 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:53.198875Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=0 tile=45 row_words=337 horizon=6573 2026-09-11T21:39:53.403631Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=35 2026-09-11T21:39:53.577612Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=35 transfers=303406 maximum_identical_destinations=1 2026-09-11T21:39:53.577671Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=35 initial_horizon=11280 selected_horizon=11280 endpoint_lower_bound=6016 lower_bound_gap=5264 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:53.806827Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=35 tile=45 row_words=1527 horizon=11280 2026-09-11T21:39:54.276803Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=11 2026-09-11T21:39:54.366195Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=11 transfers=155252 maximum_identical_destinations=1 2026-09-11T21:39:54.366284Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=11 initial_horizon=2258 selected_horizon=2258 endpoint_lower_bound=1728 lower_bound_gap=530 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:54.497604Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=11 tile=231 row_words=310 horizon=2258 2026-09-11T21:39:54.951745Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=22 2026-09-11T21:39:54.974457Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=22 transfers=20656 maximum_identical_destinations=1 2026-09-11T21:39:54.974496Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=22 initial_horizon=4485 selected_horizon=4485 endpoint_lower_bound=3648 lower_bound_gap=837 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:54.995627Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=22 tile=535 row_words=106 horizon=4485 2026-09-11T21:39:56.099836Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=37 2026-09-11T21:39:56.132885Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=37 transfers=51925 maximum_identical_destinations=1 2026-09-11T21:39:56.132927Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=37 initial_horizon=821 selected_horizon=821 endpoint_lower_bound=576 lower_bound_gap=245 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:56.171927Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=37 tile=1095 row_words=134 horizon=821 2026-09-11T21:39:56.821011Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=72 2026-09-11T21:39:56.991934Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=72 transfers=301599 maximum_identical_destinations=1 2026-09-11T21:39:56.991982Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=72 initial_horizon=1906 selected_horizon=1906 endpoint_lower_bound=896 lower_bound_gap=1010 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:39:57.274575Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=72 tile=324 row_words=455 horizon=1906 2026-09-11T21:40:00.228103Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=31 2026-09-11T21:40:00.395800Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=31 transfers=195689 maximum_identical_destinations=1 2026-09-11T21:40:00.395864Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=31 initial_horizon=2731 selected_horizon=2731 endpoint_lower_bound=2152 lower_bound_gap=579 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:40:00.624970Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=31 tile=553 row_words=658 horizon=2731 2026-09-11T21:40:00.699630Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=24 2026-09-11T21:40:00.700469Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=24 transfers=1457 maximum_identical_destinations=1 2026-09-11T21:40:00.700488Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=24 initial_horizon=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:40:00.703572Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=24 tile=22 row_words=23 horizon=2909 2026-09-11T21:40:02.032861Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=51 2026-09-11T21:40:02.075091Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=51 transfers=68951 maximum_identical_destinations=1 2026-09-11T21:40:02.075133Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=51 initial_horizon=9167 selected_horizon=9167 endpoint_lower_bound=7996 lower_bound_gap=1171 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:40:02.134652Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=51 tile=78 row_words=2149 horizon=9167 2026-09-11T21:40:04.164936Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=8 2026-09-11T21:40:04.250295Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=8 transfers=6561 maximum_identical_destinations=1 2026-09-11T21:40:04.250341Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=8 initial_horizon=16505 selected_horizon=16505 endpoint_lower_bound=15616 lower_bound_gap=889 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:40:04.273618Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=8 tile=170 row_words=415 horizon=16505 2026-09-11T21:40:05.525399Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3 2026-09-11T21:40:05.562604Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=51948 maximum_identical_destinations=1 2026-09-11T21:40:05.562640Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=858 selected_horizon=858 endpoint_lower_bound=576 lower_bound_gap=282 selected_kind="reused" neighborhood_improvements=0 2026-09-11T21:40:05.606343Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=356 row_words=177 horizon=858 2026-09-11T21:40:05.922829Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement candidate offset=20480 baseline_score=693119737600 score=573331623680 baseline_cycles=301205 candidate_cycles=298095 row_bytes=49792 row_capacity=65472 accepted=true 2026-09-11T21:40:06.750069Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=29525 success=true 2026-09-11T21:40:06.832620Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=857206 final_exchange=344295 2026-09-11T21:40:07.284802Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=134 success=true 2026-09-11T21:40:07.399929Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=115 success=true 2026-09-11T21:40:08.036453Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=571 success=true 2026-09-11T21:40:08.382114Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=857206 2026-09-11T21:40:08.904828Z INFO ipu_codegen.package.build{tile_count=1472 operations=45}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=68269 success=true 2026-09-11T21:40:09.477974Z INFO writing application package tiles=1472 2026-09-11T21:40:09.540898Z INFO application package written 2026-09-11T21:40:09.541341Z INFO reading application package 2026-09-11T21:40:09.646156Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-11T21:40:09.646777Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-11T21:40:09.646799Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-11T21:40:09.646806Z INFO opening IPU device path="/dev/ipu0" 2026-09-11T21:40:09.646845Z INFO IPU device attached path=/dev/ipu0 2026-09-11T21:40:09.646852Z INFO initializing IPU device 2026-09-11T21:40:09.654902Z INFO IPU device initialized 2026-09-11T21:40:09.654937Z INFO replaying device configuration register_writes=2003 2026-09-11T21:40:09.667178Z INFO loading application tile_count=1472 final_mark=23 2026-09-11T21:40:09.902709Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-11T21:40:10.465160Z INFO prepared reference inputs elapsed_ms=560 2026-09-11T21:40:10.465730Z INFO configured host reference BLAS threads=4 referencePrecision=fp32 2026-09-11T21:40:11.568570Z INFO evaluated host reference elapsed_ms=1103 2026-09-11T21:40:11.571298Z INFO starting host exchange session startup_mark=23 2026-09-11T21:40:11.571331Z INFO attaching host exchange pages pages=2 2026-09-11T21:40:11.574226Z INFO host exchange session started 2026-09-11T21:40:11.574397Z INFO invoking streaming host exchange call call="initialize" command=0 phases=32 2026-09-11T21:40:11.588644Z DEBUG host phases: (phase, ready, copy, acknowledge, wait) microseconds call="initialize" elapsed_us=14231 input_bytes=32964416 output_bytes=0 input_batches=16 output_batches=0 timings=[(0, 1, 218, 1, 0), (1, 0, 0, 0, 172), (2, 1, 417, 1, 214), (3, 0, 0, 0, 157), (4, 0, 640, 0, 929), (5, 1, 0, 0, 162), (6, 0, 645, 0, 161), (7, 0, 0, 0, 314), (8, 0, 686, 0, 159), (9, 0, 0, 0, 313), (10, 0, 924, 0, 159), (11, 0, 0, 0, 470), (12, 0, 740, 0, 160), (13, 0, 0, 0, 297), (14, 0, 455, 0, 159), (15, 0, 0, 0, 314), (16, 0, 352, 1, 159), (17, 0, 0, 0, 157), (18, 0, 613, 1, 159), (19, 0, 0, 0, 312), (20, 0, 829, 1, 160), (21, 0, 0, 0, 308), (22, 0, 392, 0, 160), (23, 0, 0, 0, 312), (24, 0, 46, 0, 157), (25, 0, 0, 0, 156), (26, 0, 37, 0, 156), (27, 0, 0, 0, 157), (28, 0, 20, 0, 156), (29, 0, 0, 0, 158), (30, 0, 3, 0, 157), (31, 0, 0, 0, 156)] 2026-09-11T21:40:11.588708Z INFO invoking streaming host exchange call call="run" command=0 phases=11 2026-09-11T21:40:11.590608Z DEBUG host phases: (phase, ready, copy, acknowledge, wait) microseconds call="run" elapsed_us=1892 input_bytes=857304 output_bytes=2312 input_batches=3 output_batches=3 timings=[(0, 0, 66, 0, 157), (1, 0, 0, 0, 156), (2, 0, 55, 0, 157), (3, 0, 0, 0, 157), (4, 0, 19, 0, 157), (5, 0, 0, 0, 157), (6, 0, 0, 0, 624), (7, 0, 0, 1, 156), (8, 0, 1, 1, 0), (9, 0, 0, 0, 1), (10, 0, 0, 1, 0)] 2026-09-11T21:40:11.590624Z DEBUG resident invocation including output collection inference=0 collect_us=1 elapsed_us=1923 referenceMinimumCosineSimilarity=0.997241802 referenceInference=1 numericalTest=PASS 2026-09-11T21:40:11.590785Z INFO invoking streaming host exchange call call="run" command=0 phases=11 2026-09-11T21:40:11.592471Z DEBUG host phases: (phase, ready, copy, acknowledge, wait) microseconds call="run" elapsed_us=1678 input_bytes=857304 output_bytes=2312 input_batches=3 output_batches=3 timings=[(0, 0, 35, 0, 0), (1, 0, 0, 0, 157), (2, 0, 31, 0, 157), (3, 0, 0, 0, 157), (4, 0, 18, 0, 157), (5, 0, 0, 0, 156), (6, 0, 0, 0, 625), (7, 0, 0, 1, 156), (8, 0, 0, 1, 0), (9, 0, 0, 0, 0), (10, 0, 0, 1, 0)] 2026-09-11T21:40:11.592490Z DEBUG resident invocation including output collection inference=1 collect_us=0 elapsed_us=1715 referenceMinimumCosineSimilarity=0.997241802 referenceInference=2 numericalTest=PASS 2026-09-11T21:40:11.592571Z INFO invoking streaming host exchange call call="run" command=0 phases=11 2026-09-11T21:40:11.594224Z DEBUG host phases: (phase, ready, copy, acknowledge, wait) microseconds call="run" elapsed_us=1647 input_bytes=857304 output_bytes=2312 input_batches=3 output_batches=3 timings=[(0, 0, 31, 0, 0), (1, 0, 0, 0, 157), (2, 0, 30, 0, 156), (3, 0, 0, 0, 156), (4, 0, 16, 0, 156), (5, 0, 0, 0, 157), (6, 0, 0, 0, 624), (7, 0, 0, 1, 136), (8, 0, 0, 1, 0), (9, 0, 0, 1, 0), (10, 0, 0, 1, 0)] 2026-09-11T21:40:11.612272Z DEBUG resident invocation including output collection inference=2 collect_us=0 elapsed_us=19706 referenceMinimumCosineSimilarity=0.997241802 referenceInference=3 numericalTest=PASS referenceMaximumAbsoluteError=0.140725 numericalTest=PASS package=artifacts/fp8-attention-20260911/host-counters/model.ipuexe tiles=1472 hardwareTest=PASS