2026-09-11T10:25:54.784267Z 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 2026-09-11T10:26:03.919034Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: wrote planner memory profile path=artifacts/baseline-local-planner/resident-full27/memory/baseline-51907-0000.json scope="baseline" peak_step=18 effective_peak_bytes=470648 2026-09-11T10:26:12.157771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=6864 expansion_and_footprint_ms=8238 estimated_row_bytes=73784 heuristic_row_bytes=164408 geometry_fragments_per_tile=8490 fragment_limit=16384 2026-09-11T10:26:13.141880Z 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 2026-09-11T10:26:13.144774Z 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 2026-09-11T10:26:13.144802Z 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=1064 selected_horizon=1064 endpoint_lower_bound=288 lower_bound_gap=776 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:13.147591Z 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=1063 row_words=16 horizon=1064 2026-09-11T10:26:13.164910Z 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 2026-09-11T10:26:13.164932Z 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 2026-09-11T10:26:13.166416Z 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 2026-09-11T10:26:13.176430Z 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 2026-09-11T10:26:13.176452Z 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=3028 selected_horizon=3028 endpoint_lower_bound=2304 lower_bound_gap=724 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:13.177508Z 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 2026-09-11T10:26:13.177522Z 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 2026-09-11T10:26:13.177707Z 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=17 row_words=32 horizon=3028 2026-09-11T10:26:13.178156Z 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 2026-09-11T10:26:13.202658Z 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 2026-09-11T10:26:13.224910Z 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 2026-09-11T10:26:13.245187Z 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 2026-09-11T10:26:13.245228Z 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 2026-09-11T10:26:13.248273Z 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 2026-09-11T10:26:13.263916Z 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 2026-09-11T10:26:13.263937Z 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 2026-09-11T10:26:13.264706Z 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 2026-09-11T10:26:13.282827Z 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 2026-09-11T10:26:13.282842Z 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 2026-09-11T10:26:13.284221Z 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 2026-09-11T10:26:13.293192Z 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 2026-09-11T10:26:13.293224Z 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 2026-09-11T10:26:13.294066Z 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 2026-09-11T10:26:13.303319Z 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 2026-09-11T10:26:13.303337Z 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 2026-09-11T10:26:13.303880Z 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 2026-09-11T10:26:13.304429Z 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 2026-09-11T10:26:13.304455Z 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 2026-09-11T10:26:13.313784Z 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 2026-09-11T10:26:13.322587Z 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 2026-09-11T10:26:13.539189Z 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 2026-09-11T10:26:13.539240Z 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=13528 selected_horizon=13528 endpoint_lower_bound=6048 lower_bound_gap=7480 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:13.569667Z 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=13528 2026-09-11T10:26:13.576856Z 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 2026-09-11T10:26:13.576885Z 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=12932 selected_horizon=12932 endpoint_lower_bound=7424 lower_bound_gap=5508 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:13.621739Z 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=941 row_words=185 horizon=12932 2026-09-11T10:26:13.919362Z 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 2026-09-11T10:26:13.919403Z 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=17578 selected_horizon=17578 endpoint_lower_bound=9760 lower_bound_gap=7818 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:13.935146Z 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=492 horizon=17578 2026-09-11T10:26:13.986589Z 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 2026-09-11T10:26:13.986633Z 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 2026-09-11T10:26:13.988660Z 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 2026-09-11T10:26:13.988682Z 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 2026-09-11T10:26:13.990325Z 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=178 row_words=123 horizon=3926 2026-09-11T10:26:14.005868Z 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 2026-09-11T10:26:14.047319Z 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 2026-09-11T10:26:14.047336Z 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 2026-09-11T10:26:14.048709Z 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 2026-09-11T10:26:14.059221Z 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 2026-09-11T10:26:14.059231Z 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=3101 selected_horizon=3101 endpoint_lower_bound=2304 lower_bound_gap=797 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:14.060242Z 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=58 row_words=23 horizon=3101 2026-09-11T10:26:14.069777Z 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 2026-09-11T10:26:14.069786Z 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=2914 selected_horizon=2914 endpoint_lower_bound=2304 lower_bound_gap=610 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:14.070474Z 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=126 row_words=18 horizon=2914 2026-09-11T10:26:14.834922Z 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=7569 paired_horizon=45508 use_paired=false 2026-09-11T10:26:14.860688Z 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 2026-09-11T10:26:14.860710Z 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=7569 selected_horizon=7569 endpoint_lower_bound=5248 lower_bound_gap=2321 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:14.870961Z 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=162 row_words=130 horizon=7569 2026-09-11T10:26:14.883834Z 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 2026-09-11T10:26:14.883848Z 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 2026-09-11T10:26:14.884635Z 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 2026-09-11T10:26:14.903705Z 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 2026-09-11T10:26:14.903719Z 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 2026-09-11T10:26:14.904257Z 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 2026-09-11T10:26:15.405818Z 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=102200 use_paired=false 2026-09-11T10:26:15.428772Z 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 2026-09-11T10:26:15.428805Z 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=2399 selected_horizon=2399 endpoint_lower_bound=1152 lower_bound_gap=1247 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.484416Z 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 2026-09-11T10:26:15.484444Z 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 2026-09-11T10:26:15.485571Z 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=813 row_words=246 horizon=2399 2026-09-11T10:26:15.498614Z 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 2026-09-11T10:26:15.517705Z 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 2026-09-11T10:26:15.517726Z 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 2026-09-11T10:26:15.518400Z 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 2026-09-11T10:26:15.521932Z 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 2026-09-11T10:26:15.521951Z 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=3519 selected_horizon=3519 endpoint_lower_bound=2304 lower_bound_gap=1215 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.523138Z 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=353 row_words=12 horizon=3519 2026-09-11T10:26:15.548384Z 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 2026-09-11T10:26:15.548402Z 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=4768 selected_horizon=4768 endpoint_lower_bound=4644 lower_bound_gap=124 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.549724Z 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=15 row_words=58 horizon=4768 2026-09-11T10:26:15.571770Z 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=177 paired_horizon=317 use_paired=false 2026-09-11T10:26:15.590398Z 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 2026-09-11T10:26:15.590418Z 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 2026-09-11T10:26:15.592730Z 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 2026-09-11T10:26:15.617850Z 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 2026-09-11T10:26:15.617872Z 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=5249 selected_horizon=5249 endpoint_lower_bound=3456 lower_bound_gap=1793 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.619773Z 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=355 row_words=13 horizon=5249 2026-09-11T10:26:15.650252Z 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 2026-09-11T10:26:15.650273Z 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=10863 selected_horizon=10863 endpoint_lower_bound=6912 lower_bound_gap=3951 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.652974Z 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=158 row_words=54 horizon=10863 2026-09-11T10:26:15.819637Z 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=14447 paired_horizon=114608 use_paired=false 2026-09-11T10:26:15.882649Z 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 2026-09-11T10:26:15.882677Z 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=14447 selected_horizon=14447 endpoint_lower_bound=7008 lower_bound_gap=7439 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.897785Z 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=109 row_words=221 horizon=14447 2026-09-11T10:26:15.939489Z 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 2026-09-11T10:26:15.939510Z 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=1431 endpoint_lower_bound=1152 lower_bound_gap=279 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:15.941072Z 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=235 row_words=22 horizon=1431 2026-09-11T10:26:15.970692Z 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 2026-09-11T10:26:15.970724Z 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 2026-09-11T10:26:15.986922Z 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 2026-09-11T10:26:16.099245Z 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 2026-09-11T10:26:16.099280Z 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=3034 selected_horizon=3034 endpoint_lower_bound=2304 lower_bound_gap=730 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:16.108467Z 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=91 row_words=110 horizon=3034 2026-09-11T10:26:16.133139Z 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 2026-09-11T10:26:16.133165Z 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 2026-09-11T10:26:16.144375Z 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 2026-09-11T10:26:16.368353Z 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=20226 paired_horizon=189735 use_paired=false 2026-09-11T10:26:16.471362Z 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 2026-09-11T10:26:16.471392Z 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=20226 selected_horizon=20226 endpoint_lower_bound=15616 lower_bound_gap=4610 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:16.487453Z 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=20226 2026-09-11T10:26:16.661845Z 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 2026-09-11T10:26:16.661879Z 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=8957 endpoint_lower_bound=7680 lower_bound_gap=1277 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:16.668953Z 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=86 row_words=143 horizon=8957 2026-09-11T10:26:16.757478Z 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 2026-09-11T10:26:16.757506Z 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=15850 selected_horizon=15850 endpoint_lower_bound=7872 lower_bound_gap=7978 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:16.763282Z 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=15850 2026-09-11T10:26:16.907872Z 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 2026-09-11T10:26:16.907913Z 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 2026-09-11T10:26:17.008499Z 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 2026-09-11T10:26:17.068905Z 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 2026-09-11T10:26:17.068936Z 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=3285 selected_horizon=3285 endpoint_lower_bound=1076 lower_bound_gap=2209 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.072267Z 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=1121 row_words=16 horizon=3285 2026-09-11T10:26:17.072310Z 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 2026-09-11T10:26:17.072333Z 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 2026-09-11T10:26:17.100369Z 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 2026-09-11T10:26:17.104010Z 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 2026-09-11T10:26:17.104034Z 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=4556 selected_horizon=4556 endpoint_lower_bound=2152 lower_bound_gap=2404 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.106132Z 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=343 row_words=19 horizon=4556 2026-09-11T10:26:17.126141Z 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 2026-09-11T10:26:17.126160Z 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=2882 selected_horizon=2882 endpoint_lower_bound=2304 lower_bound_gap=578 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.127612Z 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=149 row_words=23 horizon=2882 2026-09-11T10:26:17.141695Z 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 2026-09-11T10:26:17.141718Z 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=2919 selected_horizon=2919 endpoint_lower_bound=2304 lower_bound_gap=615 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.142752Z 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=2919 2026-09-11T10:26:17.179618Z 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 2026-09-11T10:26:17.179644Z 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=12375 selected_horizon=12375 endpoint_lower_bound=7996 lower_bound_gap=4379 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.186616Z 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 2026-09-11T10:26:17.186643Z 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=24012 selected_horizon=24012 endpoint_lower_bound=9072 lower_bound_gap=14940 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.254740Z 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=2187 horizon=12375 2026-09-11T10:26:17.269601Z 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=712 row_words=395 horizon=24012 2026-09-11T10:26:17.545866Z 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 2026-09-11T10:26:17.545901Z 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=11628 selected_horizon=11628 endpoint_lower_bound=7872 lower_bound_gap=3756 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:17.557607Z 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=139 row_words=241 horizon=11628 2026-09-11T10:26:18.095265Z 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 2026-09-11T10:26:18.095306Z 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 2026-09-11T10:26:18.132494Z 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 2026-09-11T10:26:18.621325Z 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 2026-09-11T10:26:18.621358Z 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=8931 selected_horizon=8931 endpoint_lower_bound=6912 lower_bound_gap=2019 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:18.810494Z 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=78 row_words=1057 horizon=8931 2026-09-11T10:26:19.406758Z 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 2026-09-11T10:26:19.406795Z 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 2026-09-11T10:26:19.676585Z 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 2026-09-11T10:26:21.222032Z 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 2026-09-11T10:26:21.222079Z 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=6444 selected_horizon=6444 endpoint_lower_bound=2152 lower_bound_gap=4292 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:21.366133Z 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=67 row_words=534 horizon=6444 2026-09-11T10:26:22.866348Z 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 2026-09-11T10:26:22.866376Z 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=9424 endpoint_lower_bound=5120 lower_bound_gap=4304 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:23.039068Z 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=45 row_words=1573 horizon=9424 2026-09-11T10:26:23.154669Z 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=59 success=true 2026-09-11T10:26:23.161908Z 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=7 success=true 2026-09-11T10:26:23.170338Z 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 2026-09-11T10:26:23.377388Z 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=40056 maximum_uncompressed_repeat_patch_bytes=324 maximum_elided_arithmetic_patch_bytes=324 2026-09-11T10:26:26.246361Z 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=251 success=true 2026-09-11T10:26:26.246449Z 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=40056 executable_ranges=[(377572, 377576), (378316, 378320), (380716, 380720), (383028, 383032), (385044, 385048), (386756, 386760), (388772, 388776), (400720, 524288)] 2026-09-11T10:26:26.246484Z 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=40056 host_code_bytes=9084 host_data_bytes=6280 generated_code_bytes=18000 code_address=400720 available_ranges=[(368488, 376832), (475136, 524288), (525512, 949168)] 2026-09-11T10:26:27.098887Z 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=852 success=true 2026-09-11T10:26:27.102731Z 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 2026-09-11T10:26:27.106897Z 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 2026-09-11T10:26:27.110233Z 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 2026-09-11T10:26:27.116662Z 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 2026-09-11T10:26:27.117802Z 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 2026-09-11T10:26:27.122159Z 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 2026-09-11T10:26:27.136913Z 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 2026-09-11T10:26:27.137423Z 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 2026-09-11T10:26:27.137434Z 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 2026-09-11T10:26:27.138965Z 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 2026-09-11T10:26:27.150832Z 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 2026-09-11T10:26:27.151316Z 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 2026-09-11T10:26:27.151325Z 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 2026-09-11T10:26:27.152085Z 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 2026-09-11T10:26:27.168111Z 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 2026-09-11T10:26:27.170291Z 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 2026-09-11T10:26:27.179271Z 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 2026-09-11T10:26:27.180542Z 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 2026-09-11T10:26:27.189244Z 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 2026-09-11T10:26:27.205030Z 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 2026-09-11T10:26:27.205570Z 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 2026-09-11T10:26:27.205579Z 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 2026-09-11T10:26:27.207429Z 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 2026-09-11T10:26:27.230730Z 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 2026-09-11T10:26:27.231472Z 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 2026-09-11T10:26:27.231495Z 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 2026-09-11T10:26:27.232800Z 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 2026-09-11T10:26:27.288923Z 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 2026-09-11T10:26:27.288956Z 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="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:27.291347Z 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 2026-09-11T10:26:27.306387Z 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 2026-09-11T10:26:27.306898Z 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 2026-09-11T10:26:27.306909Z 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 2026-09-11T10:26:27.308432Z 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 2026-09-11T10:26:27.318815Z 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 2026-09-11T10:26:27.319176Z 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 2026-09-11T10:26:27.319181Z 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 2026-09-11T10:26:27.319847Z 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 2026-09-11T10:26:27.331934Z 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 2026-09-11T10:26:27.903590Z 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 2026-09-11T10:26:27.903629Z 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=13197 selected_horizon=13197 endpoint_lower_bound=6048 lower_bound_gap=7149 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:27.933769Z 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=436 row_words=175 horizon=13197 2026-09-11T10:26:27.949536Z 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 2026-09-11T10:26:27.949565Z 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=13536 selected_horizon=13536 endpoint_lower_bound=7424 lower_bound_gap=6112 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:27.999686Z 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=482 row_words=188 horizon=13536 2026-09-11T10:26:28.323967Z 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 2026-09-11T10:26:28.324004Z 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="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:28.342928Z 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 2026-09-11T10:26:28.805085Z 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 2026-09-11T10:26:28.806956Z 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 2026-09-11T10:26:28.806979Z 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=1431 selected_horizon=1431 endpoint_lower_bound=1152 lower_bound_gap=279 selected_kind="reused" neighborhood_improvements=0 2026-09-11T10:26:28.809697Z 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 2026-09-11T10:26:28.809745Z 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=3631 selected_horizon=3631 endpoint_lower_bound=2304 lower_bound_gap=1327 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:28.809772Z 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=235 row_words=22 horizon=1431 2026-09-11T10:26:28.813914Z 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=175 row_words=139 horizon=3631 2026-09-11T10:26:28.818095Z 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 2026-09-11T10:26:28.945432Z 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 2026-09-11T10:26:28.945464Z 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=1209 selected_horizon=1209 endpoint_lower_bound=576 lower_bound_gap=633 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:28.970622Z 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=155 row_words=136 horizon=1209 2026-09-11T10:26:29.011031Z 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 2026-09-11T10:26:29.011055Z 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=2521 selected_horizon=2521 endpoint_lower_bound=2304 lower_bound_gap=217 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:29.013246Z 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=151 row_words=23 horizon=2521 2026-09-11T10:26:29.043071Z 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 2026-09-11T10:26:29.043094Z 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=2458 selected_horizon=2458 endpoint_lower_bound=2304 lower_bound_gap=154 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:29.044149Z 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=152 row_words=16 horizon=2458 2026-09-11T10:26:29.125566Z 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 2026-09-11T10:26:29.125593Z 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=11907 selected_horizon=11907 endpoint_lower_bound=3648 lower_bound_gap=8259 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:29.137580Z 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=91 horizon=11907 2026-09-11T10:26:29.174227Z 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 2026-09-11T10:26:29.174246Z 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=2521 selected_horizon=2521 endpoint_lower_bound=2304 lower_bound_gap=217 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:29.175697Z 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=151 row_words=23 horizon=2521 2026-09-11T10:26:29.201003Z 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 2026-09-11T10:26:29.201018Z 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=2458 selected_horizon=2458 endpoint_lower_bound=2304 lower_bound_gap=154 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:29.202018Z 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=152 row_words=16 horizon=2458 2026-09-11T10:26:30.388285Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=0 candidates=7106 ordinary_horizon=9748 paired_horizon=102200 use_paired=false 2026-09-11T10:26:30.462864Z 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 2026-09-11T10:26:30.462893Z 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=9748 selected_horizon=9748 endpoint_lower_bound=5888 lower_bound_gap=3860 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:30.482445Z 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=68 row_words=284 horizon=9748 2026-09-11T10:26:30.871953Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=55 candidates=6561 ordinary_horizon=10238 paired_horizon=47137 use_paired=false 2026-09-11T10:26:30.909583Z 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 2026-09-11T10:26:30.909606Z 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=10238 selected_horizon=10238 endpoint_lower_bound=5248 lower_bound_gap=4990 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:30.917968Z 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=162 row_words=136 horizon=10238 2026-09-11T10:26:30.935237Z 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 2026-09-11T10:26:30.935757Z 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 2026-09-11T10:26:30.935765Z 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 2026-09-11T10:26:30.936820Z 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 2026-09-11T10:26:30.988520Z 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 2026-09-11T10:26:30.988539Z 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=1064 selected_horizon=1064 endpoint_lower_bound=288 lower_bound_gap=776 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:30.991129Z 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=1064 2026-09-11T10:26:31.035377Z 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 2026-09-11T10:26:31.035401Z 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=2586 selected_horizon=2586 endpoint_lower_bound=2304 lower_bound_gap=282 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.036808Z 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=88 row_words=30 horizon=2586 2026-09-11T10:26:31.094581Z 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 2026-09-11T10:26:31.094611Z 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=15817 selected_horizon=15817 endpoint_lower_bound=7872 lower_bound_gap=7945 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.106392Z 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=46 row_words=255 horizon=15817 2026-09-11T10:26:31.153621Z 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 2026-09-11T10:26:31.174548Z 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 2026-09-11T10:26:31.174579Z 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 2026-09-11T10:26:31.195455Z 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 2026-09-11T10:26:31.219660Z 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 2026-09-11T10:26:31.262717Z 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 2026-09-11T10:26:31.268575Z 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 2026-09-11T10:26:31.268590Z 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=8957 selected_horizon=8957 endpoint_lower_bound=7680 lower_bound_gap=1277 selected_kind="reused" neighborhood_improvements=0 2026-09-11T10:26:31.275001Z 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=86 row_words=143 horizon=8957 2026-09-11T10:26:31.291820Z 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 2026-09-11T10:26:31.347473Z 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 2026-09-11T10:26:31.354663Z 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 2026-09-11T10:26:31.354677Z 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 2026-09-11T10:26:31.363609Z 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 2026-09-11T10:26:31.368544Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=30 candidates=8748 ordinary_horizon=9329 paired_horizon=114608 use_paired=false 2026-09-11T10:26:31.419936Z 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 2026-09-11T10:26:31.419969Z 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=2530 selected_horizon=2530 endpoint_lower_bound=1152 lower_bound_gap=1378 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.450445Z 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 2026-09-11T10:26:31.450471Z 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="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.454080Z 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 2026-09-11T10:26:31.454108Z 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=13228 selected_horizon=13228 endpoint_lower_bound=7872 lower_bound_gap=5356 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.460827Z 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=13228 2026-09-11T10:26:31.471782Z 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 2026-09-11T10:26:31.472294Z 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=77 row_words=184 horizon=2530 2026-09-11T10:26:31.526409Z 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 2026-09-11T10:26:31.526435Z 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=2451 selected_horizon=2451 endpoint_lower_bound=2304 lower_bound_gap=147 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.527867Z 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=295 row_words=12 horizon=2451 2026-09-11T10:26:31.559063Z 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 2026-09-11T10:26:31.559091Z 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=3319 selected_horizon=3319 endpoint_lower_bound=1076 lower_bound_gap=2243 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.561771Z 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=16 horizon=3319 2026-09-11T10:26:31.602571Z 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 2026-09-11T10:26:31.602590Z 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=2786 selected_horizon=2786 endpoint_lower_bound=2152 lower_bound_gap=634 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.604591Z 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=125 row_words=19 horizon=2786 2026-09-11T10:26:31.607606Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=61 candidates=72 ordinary_horizon=175 paired_horizon=285 use_paired=false 2026-09-11T10:26:31.626265Z 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 2026-09-11T10:26:31.626750Z 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 2026-09-11T10:26:31.626765Z 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 2026-09-11T10:26:31.628414Z 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 2026-09-11T10:26:31.640433Z 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 2026-09-11T10:26:31.640890Z 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 2026-09-11T10:26:31.640897Z 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 2026-09-11T10:26:31.641805Z 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 2026-09-11T10:26:31.683317Z 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 2026-09-11T10:26:31.683336Z 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=8027 selected_horizon=8027 endpoint_lower_bound=4644 lower_bound_gap=3383 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.684699Z 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=58 horizon=8027 2026-09-11T10:26:31.700448Z 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 2026-09-11T10:26:31.706328Z 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 2026-09-11T10:26:31.717341Z 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 2026-09-11T10:26:31.775643Z 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 2026-09-11T10:26:31.776338Z 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 2026-09-11T10:26:31.776362Z 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 2026-09-11T10:26:31.778238Z 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 2026-09-11T10:26:31.805626Z 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 2026-09-11T10:26:31.805646Z 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=5244 selected_horizon=5244 endpoint_lower_bound=3456 lower_bound_gap=1788 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.806762Z 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=355 row_words=13 horizon=5244 2026-09-11T10:26:31.837742Z 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 2026-09-11T10:26:31.837757Z 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=9832 selected_horizon=9832 endpoint_lower_bound=6912 lower_bound_gap=2920 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:31.839331Z 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=47 row_words=55 horizon=9832 2026-09-11T10:26:33.036621Z 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 2026-09-11T10:26:33.142254Z 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 2026-09-11T10:26:33.142291Z 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="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:33.166861Z 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 2026-09-11T10:26:33.167684Z 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 2026-09-11T10:26:33.167719Z 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 2026-09-11T10:26:33.437779Z 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 2026-09-11T10:26:33.513129Z 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 2026-09-11T10:26:33.513164Z 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=3014 selected_horizon=3014 endpoint_lower_bound=2304 lower_bound_gap=710 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:33.519124Z 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=3014 2026-09-11T10:26:33.527453Z 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 2026-09-11T10:26:33.527483Z 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=23462 selected_horizon=23462 endpoint_lower_bound=9072 lower_bound_gap=14390 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:33.528610Z 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 2026-09-11T10:26:33.605250Z 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=715 row_words=410 horizon=23462 2026-09-11T10:26:33.607439Z 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 2026-09-11T10:26:33.607464Z 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=3863 selected_horizon=3863 endpoint_lower_bound=2048 lower_bound_gap=1815 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:33.609488Z 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=71 row_words=22 horizon=3863 2026-09-11T10:26:34.417030Z 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 2026-09-11T10:26:34.417070Z 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=5384 selected_horizon=5384 endpoint_lower_bound=1728 lower_bound_gap=3656 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:34.520154Z 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=403 row_words=265 horizon=5384 2026-09-11T10:26:35.128301Z 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 2026-09-11T10:26:35.128337Z 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=13940 selected_horizon=13940 endpoint_lower_bound=7996 lower_bound_gap=5944 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:35.165612Z 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 2026-09-11T10:26:35.165644Z 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=1275 selected_horizon=1275 endpoint_lower_bound=576 lower_bound_gap=699 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:35.189001Z 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=817 row_words=104 horizon=1275 2026-09-11T10:26:35.197579Z 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=74 row_words=2402 horizon=13940 2026-09-11T10:26:35.421945Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=9 candidates=6561 ordinary_horizon=24817 paired_horizon=189735 use_paired=false 2026-09-11T10:26:35.534152Z 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 2026-09-11T10:26:35.534192Z 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=24817 selected_horizon=24817 endpoint_lower_bound=15616 lower_bound_gap=9201 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:35.554448Z 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=79 row_words=288 horizon=24817 2026-09-11T10:26:37.334469Z 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 2026-09-11T10:26:37.334522Z 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=10573 selected_horizon=10573 endpoint_lower_bound=6912 lower_bound_gap=3661 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:37.564022Z 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=78 row_words=1049 horizon=10573 2026-09-11T10:26:43.389110Z 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 2026-09-11T10:26:43.389155Z 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=5893 selected_horizon=5893 endpoint_lower_bound=5120 lower_bound_gap=773 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:43.575966Z 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 2026-09-11T10:26:43.576019Z 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=6378 selected_horizon=6378 endpoint_lower_bound=2152 lower_bound_gap=4226 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T10:26:43.638711Z 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=80 row_words=1573 horizon=5893 2026-09-11T10:26:43.699581Z 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=1039 row_words=555 horizon=6378 2026-09-11T10:26:43.773022Z 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=16674 success=true 2026-09-11T10:26:49.961157Z 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=6188 success=true 2026-09-11T10:26:49.991264Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=20458584 final_exchange=8935572 2026-09-11T10:26:51.705021Z 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=332 success=true 2026-09-11T10:26:51.831289Z 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=126 success=true 2026-09-11T10:26:52.636490Z 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=748 success=true 2026-09-11T10:26:53.030979Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=20458584 2026-09-11T10:26:53.394188Z 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=58609 success=true 2026-09-11T10:26:55.968059Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: wrote exact tile placement profile path=artifacts/baseline-local-planner/resident-full27/memory/placement-51907.html 2026-09-11T10:26:56.439114Z INFO writing application package tiles=1472 2026-09-11T10:26:56.825616Z INFO application package written 2026-09-11T10:26:56.839651Z INFO reading application package 2026-09-11T10:26:57.692932Z INFO application package read tiles=1472 compiler=0.1.0 exchangeRows=119431 counts=[send, sendoff, sendpic, sendpicp, standaloneControl, unknown]=[1858723, 301787, 1031918, 23489, 3507457, 8526] longest=[(2402, 13859, 513, 453792, [376, 17, 470, 482, 399, 0]), (2381, 13395, 641, 454008, [376, 24, 427, 410, 574, 0]), (2379, 13812, 643, 454088, [376, 26, 352, 429, 584, 0]), (2362, 13162, 769, 453808, [376, 11, 457, 271, 820, 0]), (2342, 13179, 771, 454680, [376, 18, 433, 280, 809, 0]), (2277, 13844, 579, 453864, [376, 4, 480, 31, 1294, 0]), (2257, 13827, 577, 453728, [376, 4, 418, 20, 1369, 0]), (2255, 13042, 833, 453856, [376, 0, 565, 25, 1236, 0]), (2246, 13147, 835, 453888, [376, 5, 486, 22, 1298, 0]), (2243, 13363, 705, 453880, [376, 2, 472, 15, 1325, 0]), (2230, 13380, 707, 453976, [376, 3, 456, 21, 1319, 0]), (2220, 13876, 515, 453720, [376, 0, 225, 443, 594, 0]), (2177, 13940, 387, 453768, [376, 0, 208, 476, 531, 0]), (2171, 13923, 385, 453736, [376, 0, 193, 452, 586, 0]), (2127, 13908, 451, 453720, [376, 0, 198, 40, 1412, 0]), (2122, 13891, 449, 453576, [376, 1, 209, 45, 1388, 0])]