2026-09-11T11:55:56.944420Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true 2026-09-11T11:56:14.049649Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=7640 expansion_and_footprint_ms=8935 estimated_row_bytes=73784 heuristic_row_bytes=164408 geometry_fragments_per_tile=8490 fragment_limit=16384 2026-09-11T11:56:15.185776Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=78 candidates=32 ordinary_horizon=210 paired_horizon=1250 use_paired=false 2026-09-11T11:56:15.781678Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=15 transfers=2184 maximum_identical_destinations=1 2026-09-11T11:56:15.781749Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=15 initial_horizon=8158 selected_horizon=8137 endpoint_lower_bound=6912 lower_bound_gap=1225 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:15.783241Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=15 tile=94 row_words=38 horizon=8137 2026-09-11T11:56:15.890717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=2589 maximum_identical_destinations=1 2026-09-11T11:56:15.890777Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=6357 selected_horizon=6357 endpoint_lower_bound=2048 lower_bound_gap=4309 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:15.893764Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=431 row_words=23 horizon=6357 2026-09-11T11:56:16.003169Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=51 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.003264Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=51 initial_horizon=2798 selected_horizon=2798 endpoint_lower_bound=2304 lower_bound_gap=494 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.005436Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=51 tile=148 row_words=24 horizon=2798 2026-09-11T11:56:16.107710Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=2773 maximum_identical_destinations=1 2026-09-11T11:56:16.107775Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=1094 selected_horizon=1094 endpoint_lower_bound=288 lower_bound_gap=806 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.112009Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=1432 row_words=15 horizon=1094 2026-09-11T11:56:16.161722Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=74 transfers=1224 maximum_identical_destinations=1 2026-09-11T11:56:16.161782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=74 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.162681Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=74 tile=47 row_words=23 horizon=374 2026-09-11T11:56:16.199376Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=72 candidates=17 ordinary_horizon=688 paired_horizon=1417 use_paired=false 2026-09-11T11:56:16.207539Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=61 candidates=72 ordinary_horizon=175 paired_horizon=268 use_paired=false 2026-09-11T11:56:16.250900Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=31 transfers=1725 maximum_identical_destinations=1 2026-09-11T11:56:16.250952Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=31 initial_horizon=1431 selected_horizon=1303 endpoint_lower_bound=1152 lower_bound_gap=151 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:16.251841Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=40 transfers=9677 maximum_identical_destinations=1 2026-09-11T11:56:16.251893Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=40 initial_horizon=8957 selected_horizon=7838 endpoint_lower_bound=7680 lower_bound_gap=158 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:16.252908Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=31 tile=76 row_words=17 horizon=1303 2026-09-11T11:56:16.257875Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=85 transfers=1023 maximum_identical_destinations=1 2026-09-11T11:56:16.257940Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=85 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.258782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=85 tile=0 row_words=1028 horizon=2206 2026-09-11T11:56:16.260261Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=40 tile=81 row_words=139 horizon=7838 2026-09-11T11:56:16.269680Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=14 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.269729Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=14 initial_horizon=5246 selected_horizon=5246 endpoint_lower_bound=3456 lower_bound_gap=1790 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.271401Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=14 tile=354 row_words=13 horizon=5246 2026-09-11T11:56:16.274824Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=83 transfers=2151 maximum_identical_destinations=1 2026-09-11T11:56:16.274871Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=83 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.276453Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=83 tile=1105 row_words=39 horizon=183 2026-09-11T11:56:16.291281Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=86 candidates=19 ordinary_horizon=2258 paired_horizon=2382 use_paired=false 2026-09-11T11:56:16.300919Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=29 transfers=11656 maximum_identical_destinations=1 2026-09-11T11:56:16.300975Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=29 initial_horizon=3926 selected_horizon=3926 endpoint_lower_bound=2304 lower_bound_gap=1622 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.305447Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=29 tile=173 row_words=125 horizon=3926 2026-09-11T11:56:16.307080Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=80 candidates=35 ordinary_horizon=660 paired_horizon=2329 use_paired=false 2026-09-11T11:56:16.314125Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=73 transfers=1294 maximum_identical_destinations=1 2026-09-11T11:56:16.314179Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=73 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.314788Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=2193 maximum_identical_destinations=1 2026-09-11T11:56:16.314835Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3082 selected_horizon=3082 endpoint_lower_bound=2304 lower_bound_gap=778 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.316806Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=70 row_words=31 horizon=3082 2026-09-11T11:56:16.317160Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=73 tile=866 row_words=10 horizon=471 2026-09-11T11:56:16.370529Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.370616Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.372280Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=171 row_words=17 horizon=2921 2026-09-11T11:56:16.379259Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=2820 maximum_identical_destinations=1 2026-09-11T11:56:16.379328Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=1076 lower_bound_gap=2361 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.383003Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=82 transfers=1400 maximum_identical_destinations=1 2026-09-11T11:56:16.383111Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=82 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.384491Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=1420 row_words=15 horizon=3437 2026-09-11T11:56:16.384545Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=82 tile=39 row_words=39 horizon=4006 2026-09-11T11:56:16.392706Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=2198 maximum_identical_destinations=1 2026-09-11T11:56:16.392769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=4406 selected_horizon=4406 endpoint_lower_bound=2152 lower_bound_gap=2254 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.395686Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=169 row_words=20 horizon=4406 2026-09-11T11:56:16.396455Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=62 transfers=1294 maximum_identical_destinations=1 2026-09-11T11:56:16.396512Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=62 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.398372Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=62 tile=866 row_words=10 horizon=471 2026-09-11T11:56:16.400294Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=35 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.400356Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=35 initial_horizon=3101 selected_horizon=3101 endpoint_lower_bound=2304 lower_bound_gap=797 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.401750Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=35 tile=181 row_words=22 horizon=3101 2026-09-11T11:56:16.405682Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=56 transfers=1295 maximum_identical_destinations=1 2026-09-11T11:56:16.405731Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=56 initial_horizon=4249 selected_horizon=4249 endpoint_lower_bound=4096 lower_bound_gap=153 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.407797Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=56 tile=152 row_words=16 horizon=4249 2026-09-11T11:56:16.415466Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=88 transfers=1368 maximum_identical_destinations=1 2026-09-11T11:56:16.415520Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=88 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.416688Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=88 tile=47 row_words=25 horizon=406 2026-09-11T11:56:16.417550Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=84 transfers=1075 maximum_identical_destinations=1 2026-09-11T11:56:16.417602Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=84 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.418781Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=84 tile=46 row_words=9 horizon=216 2026-09-11T11:56:16.427476Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=81 transfers=1438 maximum_identical_destinations=1 2026-09-11T11:56:16.427520Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=81 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.429292Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=81 tile=875 row_words=10 horizon=1112 2026-09-11T11:56:16.465041Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=36 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.465128Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=36 initial_horizon=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.467562Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=36 tile=171 row_words=17 horizon=2921 2026-09-11T11:56:16.473479Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=42 transfers=8694 maximum_identical_destinations=1 2026-09-11T11:56:16.473537Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=42 initial_horizon=17085 selected_horizon=17085 endpoint_lower_bound=7872 lower_bound_gap=9213 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.482689Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=42 tile=643 row_words=39 horizon=17085 2026-09-11T11:56:16.488560Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=60 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:16.488620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=60 initial_horizon=3513 selected_horizon=3513 endpoint_lower_bound=2304 lower_bound_gap=1209 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.490266Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=60 tile=355 row_words=13 horizon=3513 2026-09-11T11:56:16.777385Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=4374 maximum_identical_destinations=1 2026-09-11T11:56:16.777453Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=10088 selected_horizon=8752 endpoint_lower_bound=7872 lower_bound_gap=880 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:16.785041Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=136 row_words=181 horizon=8752 2026-09-11T11:56:16.858768Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=16520 maximum_identical_destinations=1 2026-09-11T11:56:16.858841Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=6258 selected_horizon=6258 endpoint_lower_bound=3040 lower_bound_gap=3218 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:16.869526Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=673 row_words=71 horizon=6258 2026-09-11T11:56:17.002073Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=12 transfers=50544 maximum_identical_destinations=1 2026-09-11T11:56:17.002158Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=12 initial_horizon=14734 selected_horizon=11837 endpoint_lower_bound=7424 lower_bound_gap=4413 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:17.032311Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=12 tile=473 row_words=173 horizon=11837 2026-09-11T11:56:17.826949Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=58 transfers=45090 maximum_identical_destinations=1 2026-09-11T11:56:17.827016Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=58 initial_horizon=11314 selected_horizon=11314 endpoint_lower_bound=6048 lower_bound_gap=5266 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:17.858071Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=58 tile=1084 row_words=180 horizon=11314 2026-09-11T11:56:18.233455Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=55 candidates=6561 ordinary_horizon=9028 paired_horizon=8131 use_paired=false 2026-09-11T11:56:18.271374Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=6561 maximum_identical_destinations=1 2026-09-11T11:56:18.271414Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=9028 selected_horizon=9028 endpoint_lower_bound=5248 lower_bound_gap=3780 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:18.279637Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=171 row_words=133 horizon=9028 2026-09-11T11:56:18.856740Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=34 transfers=51948 maximum_identical_destinations=1 2026-09-11T11:56:18.856810Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=34 initial_horizon=1122 selected_horizon=1122 endpoint_lower_bound=576 lower_bound_gap=546 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:18.895146Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=34 tile=1229 row_words=126 horizon=1122 2026-09-11T11:56:20.310579Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=30 candidates=8748 ordinary_horizon=9329 paired_horizon=11978 use_paired=false 2026-09-11T11:56:20.379795Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=30 transfers=8748 maximum_identical_destinations=1 2026-09-11T11:56:20.379846Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=30 initial_horizon=9329 selected_horizon=9329 endpoint_lower_bound=7008 lower_bound_gap=2321 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:20.394364Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=30 tile=139 row_words=201 horizon=9329 2026-09-11T11:56:20.408413Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=112284 maximum_identical_destinations=1 2026-09-11T11:56:20.408473Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=27323 selected_horizon=27323 endpoint_lower_bound=9072 lower_bound_gap=18251 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:20.489685Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=715 row_words=396 horizon=27323 2026-09-11T11:56:21.129455Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=51948 maximum_identical_destinations=1 2026-09-11T11:56:21.129539Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=1111 selected_horizon=1111 endpoint_lower_bound=576 lower_bound_gap=535 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:21.164995Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=937 row_words=127 horizon=1111 2026-09-11T11:56:23.329575Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=16 transfers=128168 maximum_identical_destinations=1 2026-09-11T11:56:23.329645Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=16 initial_horizon=11424 selected_horizon=11424 endpoint_lower_bound=6912 lower_bound_gap=4512 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:23.353345Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=13 transfers=155252 maximum_identical_destinations=1 2026-09-11T11:56:23.353414Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=13 initial_horizon=4487 selected_horizon=4487 endpoint_lower_bound=1728 lower_bound_gap=2759 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:23.455600Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=16 tile=66 row_words=1041 horizon=11424 2026-09-11T11:56:23.479084Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=13 tile=606 row_words=264 horizon=4487 2026-09-11T11:56:23.946093Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=33 transfers=20656 maximum_identical_destinations=1 2026-09-11T11:56:23.946139Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=33 initial_horizon=7526 selected_horizon=7526 endpoint_lower_bound=3648 lower_bound_gap=3878 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:23.954855Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=33 tile=860 row_words=87 horizon=7526 2026-09-11T11:56:23.989217Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=65 transfers=1743 maximum_identical_destinations=1 2026-09-11T11:56:23.989271Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=65 initial_horizon=5892 selected_horizon=5892 endpoint_lower_bound=4644 lower_bound_gap=1248 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:23.990705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=65 tile=14 row_words=59 horizon=5892 2026-09-11T11:56:24.010004Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=63 transfers=1224 maximum_identical_destinations=1 2026-09-11T11:56:24.010026Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=63 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:24.010624Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=63 tile=47 row_words=23 horizon=374 2026-09-11T11:56:24.334156Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=11520 maximum_identical_destinations=1 2026-09-11T11:56:24.334263Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=2410 selected_horizon=2410 endpoint_lower_bound=2304 lower_bound_gap=106 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:24.344990Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=168 row_words=108 horizon=2410 2026-09-11T11:56:24.461519Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=9 candidates=6561 ordinary_horizon=17780 paired_horizon=21452 use_paired=false 2026-09-11T11:56:24.564900Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=6561 maximum_identical_destinations=1 2026-09-11T11:56:24.564935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=17780 selected_horizon=17780 endpoint_lower_bound=15616 lower_bound_gap=2164 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:24.580593Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=105 row_words=287 horizon=17780 2026-09-11T11:56:25.305620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=50 transfers=51925 maximum_identical_destinations=1 2026-09-11T11:56:25.305671Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=50 initial_horizon=1090 selected_horizon=1090 endpoint_lower_bound=576 lower_bound_gap=514 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:25.329625Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=50 tile=850 row_words=106 horizon=1090 2026-09-11T11:56:26.257326Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=46 transfers=19683 maximum_identical_destinations=1 2026-09-11T11:56:26.257384Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=46 initial_horizon=11954 selected_horizon=11954 endpoint_lower_bound=9760 lower_bound_gap=2194 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:26.275669Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=46 tile=481 row_words=544 horizon=11954 2026-09-11T11:56:28.582663Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=59 transfers=103635 maximum_identical_destinations=1 2026-09-11T11:56:28.582745Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=59 initial_horizon=1973 selected_horizon=1973 endpoint_lower_bound=1152 lower_bound_gap=821 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:28.641820Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=59 tile=239 row_words=188 horizon=1973 2026-09-11T11:56:29.192298Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=87 transfers=301599 maximum_identical_destinations=1 2026-09-11T11:56:29.192371Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=87 initial_horizon=1508 selected_horizon=1508 endpoint_lower_bound=896 lower_bound_gap=612 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:29.310066Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=195689 maximum_identical_destinations=1 2026-09-11T11:56:29.310138Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=4980 selected_horizon=4980 endpoint_lower_bound=2152 lower_bound_gap=2828 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:29.398431Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=229 row_words=509 horizon=4980 2026-09-11T11:56:29.485062Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=87 tile=1361 row_words=459 horizon=1508 2026-09-11T11:56:30.622915Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=42560 maximum_identical_destinations=1 2026-09-11T11:56:30.623016Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=710 selected_horizon=710 endpoint_lower_bound=512 lower_bound_gap=198 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:30.636945Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=262 row_words=172 horizon=710 2026-09-11T11:56:33.307613Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=68951 maximum_identical_destinations=1 2026-09-11T11:56:33.307689Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=12646 selected_horizon=12646 endpoint_lower_bound=7996 lower_bound_gap=4650 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:33.397492Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=70 row_words=2375 horizon=12646 2026-09-11T11:56:34.074195Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=7106 ordinary_horizon=8086 paired_horizon=18866 use_paired=false 2026-09-11T11:56:34.159473Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=7290 maximum_identical_destinations=1 2026-09-11T11:56:34.159538Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=8086 selected_horizon=8086 endpoint_lower_bound=5888 lower_bound_gap=2198 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:34.177892Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=79 row_words=273 horizon=8086 2026-09-11T11:56:40.740753Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=47 transfers=302920 maximum_identical_destinations=1 2026-09-11T11:56:40.740839Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=47 initial_horizon=9424 selected_horizon=6250 endpoint_lower_bound=5120 lower_bound_gap=1130 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:56:41.013818Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=47 tile=162 row_words=1519 horizon=6250 2026-09-11T11:56:41.266012Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=111 success=true 2026-09-11T11:56:41.275932Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=9 success=true 2026-09-11T11:56:41.290084Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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 2026-09-11T11:56:41.536059Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=40256 maximum_uncompressed_repeat_patch_bytes=324 maximum_elided_arithmetic_patch_bytes=324 2026-09-11T11:56:44.454102Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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=59 success=true 2026-09-11T11:56:44.454167Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=391568 host_code_base=391568 host_code_bytes=9084 generated_code_bytes=18000 exchange_table_bytes=40256 executable_ranges=[(377572, 377576), (378316, 378320), (380716, 380720), (383028, 383032), (385044, 385048), (386756, 386760), (388772, 388776), (400720, 524288)] 2026-09-11T11:56:44.454197Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=391568 profile_bytes=1224 exchange_table_bytes=40256 host_code_bytes=9084 host_data_bytes=6280 generated_code_bytes=18000 code_address=400720 available_ranges=[(327680, 360448), (368488, 376832), (475136, 524288), (525512, 949168)] 2026-09-11T11:56:45.467585Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=1013 success=true 2026-09-11T11:56:45.471759Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=69 2026-09-11T11:56:45.471916Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71 2026-09-11T11:56:45.473593Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=70 2026-09-11T11:56:45.476192Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=77 2026-09-11T11:56:45.476982Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=89 2026-09-11T11:56:45.478000Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=90 2026-09-11T11:56:45.478618Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=79 2026-09-11T11:56:45.481334Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=80 2026-09-11T11:56:45.482199Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74 2026-09-11T11:56:45.482775Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=74 transfers=1224 maximum_identical_destinations=1 2026-09-11T11:56:45.482790Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=74 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.483577Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=74 tile=47 row_words=23 horizon=374 2026-09-11T11:56:45.483744Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=86 2026-09-11T11:56:45.484169Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54 2026-09-11T11:56:45.485511Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8 2026-09-11T11:56:45.486118Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=78 2026-09-11T11:56:45.486718Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2 2026-09-11T11:56:45.486793Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52 2026-09-11T11:56:45.487461Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:45.487487Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.487702Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=91 2026-09-11T11:56:45.487999Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72 2026-09-11T11:56:45.488769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=171 row_words=17 horizon=2921 2026-09-11T11:56:45.489351Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63 2026-09-11T11:56:45.490391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=63 transfers=1224 maximum_identical_destinations=1 2026-09-11T11:56:45.490426Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=63 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.490440Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=75 2026-09-11T11:56:45.492020Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=63 tile=47 row_words=23 horizon=374 2026-09-11T11:56:45.492095Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64 2026-09-11T11:56:45.493248Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48 2026-09-11T11:56:45.495037Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=76 2026-09-11T11:56:45.495456Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32 2026-09-11T11:56:45.498852Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=81 2026-09-11T11:56:45.499500Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=81 transfers=1438 maximum_identical_destinations=1 2026-09-11T11:56:45.499517Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=81 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.499705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5 2026-09-11T11:56:45.501159Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=2773 maximum_identical_destinations=1 2026-09-11T11:56:45.501196Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=1094 selected_horizon=1094 endpoint_lower_bound=288 lower_bound_gap=806 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.501328Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=81 tile=875 row_words=10 horizon=1112 2026-09-11T11:56:45.501778Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65 2026-09-11T11:56:45.502496Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=65 transfers=1743 maximum_identical_destinations=1 2026-09-11T11:56:45.502547Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=65 initial_horizon=5892 selected_horizon=5892 endpoint_lower_bound=4644 lower_bound_gap=1248 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.502748Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41 2026-09-11T11:56:45.503293Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61 2026-09-11T11:56:45.503969Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=1432 row_words=15 horizon=1094 2026-09-11T11:56:45.504240Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=65 tile=14 row_words=59 horizon=5892 2026-09-11T11:56:45.507447Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=73 2026-09-11T11:56:45.508054Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=73 transfers=1294 maximum_identical_destinations=1 2026-09-11T11:56:45.508071Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=73 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.508979Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31 2026-09-11T11:56:45.509982Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=31 transfers=1725 maximum_identical_destinations=1 2026-09-11T11:56:45.510011Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=31 initial_horizon=1303 selected_horizon=1303 endpoint_lower_bound=1152 lower_bound_gap=151 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.510042Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=73 tile=866 row_words=10 horizon=471 2026-09-11T11:56:45.510225Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56 2026-09-11T11:56:45.510958Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=56 transfers=1295 maximum_identical_destinations=1 2026-09-11T11:56:45.510992Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=56 initial_horizon=4249 selected_horizon=4249 endpoint_lower_bound=4096 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.512009Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=31 tile=76 row_words=17 horizon=1303 2026-09-11T11:56:45.512385Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=56 tile=152 row_words=16 horizon=4249 2026-09-11T11:56:45.512540Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62 2026-09-11T11:56:45.513385Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=62 transfers=1294 maximum_identical_destinations=1 2026-09-11T11:56:45.513418Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=62 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.514814Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38 2026-09-11T11:56:45.516111Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=62 tile=866 row_words=10 horizon=471 2026-09-11T11:56:45.516620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=82 2026-09-11T11:56:45.517263Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=82 transfers=1400 maximum_identical_destinations=1 2026-09-11T11:56:45.517288Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=82 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.518598Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=82 tile=39 row_words=39 horizon=4006 2026-09-11T11:56:45.522020Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6 2026-09-11T11:56:45.523043Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35 2026-09-11T11:56:45.523518Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=2193 maximum_identical_destinations=1 2026-09-11T11:56:45.523548Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=3082 selected_horizon=3082 endpoint_lower_bound=2304 lower_bound_gap=778 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.523578Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=35 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:45.523593Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=35 initial_horizon=3101 selected_horizon=3101 endpoint_lower_bound=2304 lower_bound_gap=797 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.524959Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=35 tile=181 row_words=22 horizon=3101 2026-09-11T11:56:45.525869Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=70 row_words=31 horizon=3082 2026-09-11T11:56:45.534188Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=15 transfers=2184 maximum_identical_destinations=1 2026-09-11T11:56:45.534289Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=15 initial_horizon=7015 selected_horizon=7015 endpoint_lower_bound=6912 lower_bound_gap=103 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:45.536511Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=84 2026-09-11T11:56:45.536766Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=15 tile=167 row_words=50 horizon=7015 2026-09-11T11:56:45.537250Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=84 transfers=1075 maximum_identical_destinations=1 2026-09-11T11:56:45.537270Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=84 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.538959Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=84 tile=46 row_words=9 horizon=216 2026-09-11T11:56:45.539923Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=83 2026-09-11T11:56:45.540843Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=83 transfers=2151 maximum_identical_destinations=1 2026-09-11T11:56:45.540869Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=83 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.542738Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=83 tile=1105 row_words=39 horizon=183 2026-09-11T11:56:45.543076Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=85 2026-09-11T11:56:45.543846Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=85 transfers=1023 maximum_identical_destinations=1 2026-09-11T11:56:45.543878Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=85 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.545397Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=85 tile=0 row_words=1028 horizon=2206 2026-09-11T11:56:45.549246Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37 2026-09-11T11:56:45.554818Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57 2026-09-11T11:56:45.558456Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29 2026-09-11T11:56:45.560423Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36 2026-09-11T11:56:45.561377Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=36 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:45.561393Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=36 initial_horizon=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.562602Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=36 tile=171 row_words=17 horizon=2921 2026-09-11T11:56:45.562745Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10 2026-09-11T11:56:45.564753Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=2589 maximum_identical_destinations=1 2026-09-11T11:56:45.564790Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=6357 selected_horizon=6357 endpoint_lower_bound=2048 lower_bound_gap=4309 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.564988Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=29 transfers=11656 maximum_identical_destinations=1 2026-09-11T11:56:45.565018Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=29 initial_horizon=3926 selected_horizon=3926 endpoint_lower_bound=2304 lower_bound_gap=1622 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.565017Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44 2026-09-11T11:56:45.565769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53 2026-09-11T11:56:45.566463Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=2820 maximum_identical_destinations=1 2026-09-11T11:56:45.566504Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=1076 lower_bound_gap=2361 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.568595Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=431 row_words=23 horizon=6357 2026-09-11T11:56:45.569806Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=29 tile=173 row_words=125 horizon=3926 2026-09-11T11:56:45.571055Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=1420 row_words=15 horizon=3437 2026-09-11T11:56:45.588754Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28 2026-09-11T11:56:45.627152Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25 2026-09-11T11:56:45.628459Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19 2026-09-11T11:56:45.628863Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18 2026-09-11T11:56:45.635238Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26 2026-09-11T11:56:45.641421Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40 2026-09-11T11:56:45.647013Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=40 transfers=9677 maximum_identical_destinations=1 2026-09-11T11:56:45.647046Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=40 initial_horizon=7838 selected_horizon=7838 endpoint_lower_bound=7680 lower_bound_gap=158 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.652541Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=40 tile=81 row_words=139 horizon=7838 2026-09-11T11:56:45.664041Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27 2026-09-11T11:56:45.671161Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67 2026-09-11T11:56:45.677506Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=11520 maximum_identical_destinations=1 2026-09-11T11:56:45.677551Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=2410 selected_horizon=2410 endpoint_lower_bound=2304 lower_bound_gap=106 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.684078Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=168 row_words=108 horizon=2410 2026-09-11T11:56:45.700458Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45 2026-09-11T11:56:45.701709Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=2198 maximum_identical_destinations=1 2026-09-11T11:56:45.701728Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=4406 selected_horizon=4406 endpoint_lower_bound=2152 lower_bound_gap=2254 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.704131Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=169 row_words=20 horizon=4406 2026-09-11T11:56:45.715470Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68 2026-09-11T11:56:45.732918Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33 2026-09-11T11:56:45.752087Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7 2026-09-11T11:56:45.757886Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=33 transfers=20656 maximum_identical_destinations=1 2026-09-11T11:56:45.757933Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=33 initial_horizon=7526 selected_horizon=7526 endpoint_lower_bound=3648 lower_bound_gap=3878 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.769905Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=33 tile=860 row_words=87 horizon=7526 2026-09-11T11:56:45.778917Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=88 2026-09-11T11:56:45.780023Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=88 transfers=1368 maximum_identical_destinations=1 2026-09-11T11:56:45.780053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=88 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.781633Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=88 tile=47 row_words=25 horizon=406 2026-09-11T11:56:45.793488Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17 2026-09-11T11:56:45.804798Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=42 transfers=8694 maximum_identical_destinations=1 2026-09-11T11:56:45.804854Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=42 initial_horizon=18402 selected_horizon=18402 endpoint_lower_bound=7872 lower_bound_gap=10530 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:45.812985Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=42 tile=643 row_words=39 horizon=18402 2026-09-11T11:56:45.817445Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23 2026-09-11T11:56:45.907273Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20 2026-09-11T11:56:45.908321Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22 2026-09-11T11:56:45.914163Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58 2026-09-11T11:56:45.919162Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24 2026-09-11T11:56:45.938067Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=58 transfers=45090 maximum_identical_destinations=1 2026-09-11T11:56:45.938100Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=58 initial_horizon=11314 selected_horizon=11314 endpoint_lower_bound=6048 lower_bound_gap=5266 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:45.969198Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=58 tile=1084 row_words=180 horizon=11314 2026-09-11T11:56:46.078304Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55 2026-09-11T11:56:46.085956Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39 2026-09-11T11:56:46.100613Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=55 transfers=6561 maximum_identical_destinations=1 2026-09-11T11:56:46.100646Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=55 initial_horizon=9028 selected_horizon=9028 endpoint_lower_bound=5248 lower_bound_gap=3780 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.107117Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=55 tile=171 row_words=133 horizon=9028 2026-09-11T11:56:46.116820Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=4374 maximum_identical_destinations=1 2026-09-11T11:56:46.116854Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=8752 selected_horizon=8752 endpoint_lower_bound=7872 lower_bound_gap=880 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.126871Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=136 row_words=181 horizon=8752 2026-09-11T11:56:46.246791Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21 2026-09-11T11:56:46.261709Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12 2026-09-11T11:56:46.290227Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51 2026-09-11T11:56:46.292694Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=51 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:46.292840Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=51 initial_horizon=2798 selected_horizon=2798 endpoint_lower_bound=2304 lower_bound_gap=494 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.297041Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=51 tile=148 row_words=24 horizon=2798 2026-09-11T11:56:46.316197Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=12 transfers=50544 maximum_identical_destinations=1 2026-09-11T11:56:46.316271Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=12 initial_horizon=11837 selected_horizon=11837 endpoint_lower_bound=7424 lower_bound_gap=4413 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.344996Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46 2026-09-11T11:56:46.359934Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=12 tile=473 row_words=173 horizon=11837 2026-09-11T11:56:46.401587Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=46 transfers=19683 maximum_identical_destinations=1 2026-09-11T11:56:46.401640Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=46 initial_horizon=11954 selected_horizon=11954 endpoint_lower_bound=9760 lower_bound_gap=2194 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.418803Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=46 tile=481 row_words=544 horizon=11954 2026-09-11T11:56:46.632157Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34 2026-09-11T11:56:46.632426Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30 2026-09-11T11:56:46.670913Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=34 transfers=51948 maximum_identical_destinations=1 2026-09-11T11:56:46.670952Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=34 initial_horizon=1122 selected_horizon=1122 endpoint_lower_bound=576 lower_bound_gap=546 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.671937Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50 2026-09-11T11:56:46.698328Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=30 transfers=8748 maximum_identical_destinations=1 2026-09-11T11:56:46.698387Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=30 initial_horizon=9329 selected_horizon=9329 endpoint_lower_bound=7008 lower_bound_gap=2321 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.705760Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=34 tile=1229 row_words=126 horizon=1122 2026-09-11T11:56:46.711519Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=50 transfers=51925 maximum_identical_destinations=1 2026-09-11T11:56:46.711567Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=50 initial_horizon=1090 selected_horizon=1090 endpoint_lower_bound=576 lower_bound_gap=514 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.715544Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=30 tile=139 row_words=201 horizon=9329 2026-09-11T11:56:46.738509Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=50 tile=850 row_words=106 horizon=1090 2026-09-11T11:56:46.770058Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4 2026-09-11T11:56:46.857565Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=51948 maximum_identical_destinations=1 2026-09-11T11:56:46.857620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=1111 selected_horizon=1111 endpoint_lower_bound=576 lower_bound_gap=535 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:46.875993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=937 row_words=127 horizon=1111 2026-09-11T11:56:47.565192Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9 2026-09-11T11:56:47.588966Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66 2026-09-11T11:56:47.595657Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59 2026-09-11T11:56:47.651483Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=68951 maximum_identical_destinations=1 2026-09-11T11:56:47.651549Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=12646 selected_horizon=12646 endpoint_lower_bound=7996 lower_bound_gap=4650 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:47.666145Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=6561 maximum_identical_destinations=1 2026-09-11T11:56:47.666199Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=17780 selected_horizon=17780 endpoint_lower_bound=15616 lower_bound_gap=2164 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:47.681338Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=103635 maximum_identical_destinations=1 2026-09-11T11:56:47.681391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=1973 selected_horizon=1973 endpoint_lower_bound=1152 lower_bound_gap=821 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:47.687000Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=105 row_words=287 horizon=17780 2026-09-11T11:56:47.716977Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60 2026-09-11T11:56:47.717788Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:47.717805Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=3513 selected_horizon=3513 endpoint_lower_bound=2304 lower_bound_gap=1209 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:47.719044Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=355 row_words=13 horizon=3513 2026-09-11T11:56:47.736330Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=239 row_words=188 horizon=1973 2026-09-11T11:56:47.737147Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=70 row_words=2375 horizon=12646 2026-09-11T11:56:48.329475Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1 2026-09-11T11:56:48.363959Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=42560 maximum_identical_destinations=1 2026-09-11T11:56:48.364032Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=710 selected_horizon=710 endpoint_lower_bound=512 lower_bound_gap=198 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:48.385225Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=262 row_words=172 horizon=710 2026-09-11T11:56:49.014806Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13 2026-09-11T11:56:49.026269Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0 2026-09-11T11:56:49.107312Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=13 transfers=155252 maximum_identical_destinations=1 2026-09-11T11:56:49.107371Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=13 initial_horizon=4487 selected_horizon=4487 endpoint_lower_bound=1728 lower_bound_gap=2759 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:49.107370Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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 2026-09-11T11:56:49.107426Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=8086 selected_horizon=8086 endpoint_lower_bound=5888 lower_bound_gap=2198 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:49.125181Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=79 row_words=273 horizon=8086 2026-09-11T11:56:49.201169Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=13 tile=606 row_words=264 horizon=4487 2026-09-11T11:56:50.267401Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=112284 maximum_identical_destinations=1 2026-09-11T11:56:50.267473Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=27439 selected_horizon=27439 endpoint_lower_bound=9072 lower_bound_gap=18367 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:50.346665Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=712 row_words=406 horizon=27439 2026-09-11T11:56:50.507145Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43 2026-09-11T11:56:50.693108Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=195689 maximum_identical_destinations=1 2026-09-11T11:56:50.693198Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=4980 selected_horizon=4980 endpoint_lower_bound=2152 lower_bound_gap=2828 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:50.830369Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=229 row_words=509 horizon=4980 2026-09-11T11:56:50.891226Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11 2026-09-11T11:56:50.896241Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14 2026-09-11T11:56:50.897157Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=14 transfers=1457 maximum_identical_destinations=1 2026-09-11T11:56:50.897174Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=14 initial_horizon=5246 selected_horizon=5246 endpoint_lower_bound=3456 lower_bound_gap=1790 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:50.898547Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=14 tile=354 row_words=13 horizon=5246 2026-09-11T11:56:51.810301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=87 2026-09-11T11:56:52.016935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=87 transfers=301599 maximum_identical_destinations=1 2026-09-11T11:56:52.017005Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=87 initial_horizon=1508 selected_horizon=1508 endpoint_lower_bound=896 lower_bound_gap=612 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:52.281071Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=87 tile=1361 row_words=459 horizon=1508 2026-09-11T11:56:56.828282Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=16 transfers=128168 maximum_identical_destinations=1 2026-09-11T11:56:56.828348Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=16 initial_horizon=11164 selected_horizon=11164 endpoint_lower_bound=6912 lower_bound_gap=4252 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T11:56:56.954182Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=16 tile=73 row_words=1044 horizon=11164 2026-09-11T11:56:57.141848Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3 2026-09-11T11:56:57.155758Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=16520 maximum_identical_destinations=1 2026-09-11T11:56:57.155800Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=6258 selected_horizon=6258 endpoint_lower_bound=3040 lower_bound_gap=3218 selected_kind="reused" neighborhood_improvements=0 2026-09-11T11:56:57.166625Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=673 row_words=71 horizon=6258 2026-09-11T11:57:07.326138Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=47 transfers=302920 maximum_identical_destinations=1 2026-09-11T11:57:07.327093Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=47 initial_horizon=9424 selected_horizon=6170 endpoint_lower_bound=5120 lower_bound_gap=1050 selected_kind="balanced-compact-streams" neighborhood_improvements=1 2026-09-11T11:57:07.643979Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=47 tile=162 row_words=1519 horizon=6170 2026-09-11T11:57:07.861745Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=22394 success=true 2026-09-11T11:57:23.202445Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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=15340 success=true 2026-09-11T11:57:23.241594Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=20163045 final_exchange=8640033 2026-09-11T11:57:25.009092Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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=87 success=true 2026-09-11T11:57:25.183498Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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=174 success=true 2026-09-11T11:57:25.931552Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: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=645 success=true 2026-09-11T11:57:26.493721Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=20163045 2026-09-11T11:57:27.035156Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=90090 success=true 2026-09-11T11:57:27.970235Z INFO writing application package tiles=1472 2026-09-11T11:57:28.792058Z INFO application package written exchangeSchedule=/dev/null tiles=1472 phases=92 transfers=1851255