2026-09-09T10:12:11.863791Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-09T10:12:27.283650Z  INFO retained operator-plan finalist finalist=0 values=19 operations=1 estimated_cycles=1006101 estimated_exchange_cycles=349176 exchange_row_bytes=22132 peak_standard_bytes=88692 peak_interleaved_bytes=271360 peak_total_bytes=341876 maximum_standard_allocation_bytes=62720 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-09T10:12:27.332698Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=15468 success=true
2026-09-09T10:12:29.114383Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:screen_finalist{finalist=0}: screened exchange table geometry expansion_ms=1426 expansion_and_footprint_ms=1781 estimated_row_bytes=17888 heuristic_row_bytes=22132 geometry_fragments_per_tile=1984 fragment_limit=16384
2026-09-09T10:12:29.115987Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: bounded finalist shortlist stage="placement" candidates=1 admitted_candidates=1
2026-09-09T10:12:30.175024Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: screened tile mappings by exchange resource load candidates=42 baseline_cycles=177408 candidate_cycles=177408 baseline_pressure=159345 candidate_pressure=159345
2026-09-09T10:12:30.180262Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: modelled expanded operator plan finalist=0 elapsed_ms=1064 modelled_cycles=802656 estimated_row_bytes=17888
2026-09-09T10:12:30.180299Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: bounded finalist shortlist stage="scheduling" candidates=1 admitted_candidates=1
2026-09-09T10:12:31.058531Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=18174
2026-09-09T10:12:31.431823Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=104904
2026-09-09T10:12:32.341125Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=18174 elapsed_ms=1282 success=true
2026-09-09T10:12:32.361263Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=168932
2026-09-09T10:12:33.107812Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=104904 elapsed_ms=1675 success=true
2026-09-09T10:12:33.205826Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=18174 maximum_identical_destinations=1
2026-09-09T10:12:33.205868Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=28508 selected_horizon=28508 endpoint_lower_bound=15744 lower_bound_gap=12764 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:12:33.236800Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=547 row_words=522 horizon=28508
2026-09-09T10:12:35.317562Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=168932 elapsed_ms=2956 success=true
2026-09-09T10:12:35.517119Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=104904 maximum_identical_destinations=1
2026-09-09T10:12:35.517167Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=3959 selected_horizon=3959 endpoint_lower_bound=1152 lower_bound_gap=2807 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:12:35.564307Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=254 row_words=400 horizon=3959
2026-09-09T10:12:37.239405Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=9072
2026-09-09T10:12:39.637810Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=168932 maximum_identical_destinations=1
2026-09-09T10:12:39.637865Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=18398 selected_horizon=18398 endpoint_lower_bound=13440 lower_bound_gap=4958 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:12:39.798588Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=304 row_words=647 horizon=18398
2026-09-09T10:12:40.439563Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=9072 elapsed_ms=3200 success=true
2026-09-09T10:12:41.895523Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=9072 maximum_identical_destinations=1
2026-09-09T10:12:41.895579Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=20430 selected_horizon=20430 endpoint_lower_bound=15552 lower_bound_gap=4878 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:12:41.938246Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=415 row_words=486 horizon=20430
2026-09-09T10:12:43.855571Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=586368
2026-09-09T10:13:03.466442Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=586368 elapsed_ms=19610 success=true
2026-09-09T10:13:19.304864Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=586368 maximum_identical_destinations=1
2026-09-09T10:13:19.304899Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=36105 selected_horizon=36105 endpoint_lower_bound=13248 lower_bound_gap=22857 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:13:19.900054Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=1098 row_words=2057 horizon=36105
2026-09-09T10:13:19.983022Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=1401528 analytical_exchange_cycles=785280 scheduled_exchange_cycles=331200 refined_cycles=947448
2026-09-09T10:13:20.144427Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=3 success=true
2026-09-09T10:13:20.145286Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=0 success=true
2026-09-09T10:13:20.146274Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-09T10:13:20.385482Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=7 success=true
2026-09-09T10:13:20.385515Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: allocated package support memory linked_end=321248 profile_bytes=176 exchange_table_bytes=14268 host_code_bytes=1900 generated_code_bytes=2224 code_address=323216 standard_ranges=[(409600, 524288)]
2026-09-09T10:13:20.424772Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=39 success=true
2026-09-09T10:13:21.803098Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-09T10:13:21.836577Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=18174 maximum_identical_destinations=1
2026-09-09T10:13:21.836598Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=28508 selected_horizon=28508 endpoint_lower_bound=15744 lower_bound_gap=12764 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:21.861861Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=547 row_words=522 horizon=28508
2026-09-09T10:13:22.138316Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-09T10:13:22.182634Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=104904 maximum_identical_destinations=1
2026-09-09T10:13:22.182663Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=3959 selected_horizon=3959 endpoint_lower_bound=1152 lower_bound_gap=2807 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:22.228105Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=254 row_words=400 horizon=3959
2026-09-09T10:13:23.794979Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-09T10:13:23.865887Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=168932 maximum_identical_destinations=1
2026-09-09T10:13:23.865918Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=18398 selected_horizon=18398 endpoint_lower_bound=13440 lower_bound_gap=4958 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:24.032356Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=304 row_words=647 horizon=18398
2026-09-09T10:13:24.119082Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: retrying exchange schedule with incremental instruction-alignment validation transfers=9072
2026-09-09T10:13:26.329738Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished incremental instruction-alignment validation transfers=9072 elapsed_ms=2210 success=true
2026-09-09T10:13:27.295171Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=9072 maximum_identical_destinations=1
2026-09-09T10:13:27.295225Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=21082 selected_horizon=21082 endpoint_lower_bound=15552 lower_bound_gap=5530 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:13:27.327014Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=323 row_words=498 horizon=21082
2026-09-09T10:13:33.396925Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-09T10:13:33.597499Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=586368 maximum_identical_destinations=1
2026-09-09T10:13:33.597524Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=36105 selected_horizon=36105 endpoint_lower_bound=13248 lower_bound_gap=22857 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:34.188403Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=1098 row_words=2057 horizon=36105
2026-09-09T10:13:34.258521Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=13833 success=true
2026-09-09T10:13:37.758642Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4
2026-09-09T10:13:37.803857Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=4 transfers=104904 maximum_identical_destinations=1
2026-09-09T10:13:37.803882Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=4 initial_horizon=3959 selected_horizon=3959 endpoint_lower_bound=1152 lower_bound_gap=2807 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:37.849552Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=4 tile=254 row_words=400 horizon=3959
2026-09-09T10:13:37.860632Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: retrying exchange schedule with incremental instruction-alignment validation transfers=18174
2026-09-09T10:13:38.412232Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0
2026-09-09T10:13:38.466965Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=0 transfers=9072 maximum_identical_destinations=1
2026-09-09T10:13:38.466988Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=0 initial_horizon=21082 selected_horizon=21082 endpoint_lower_bound=15552 lower_bound_gap=5530 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:38.497254Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=0 tile=323 row_words=498 horizon=21082
2026-09-09T10:13:38.798658Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished incremental instruction-alignment validation transfers=18174 elapsed_ms=937 success=true
2026-09-09T10:13:39.433696Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1
2026-09-09T10:13:39.523590Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=168932 maximum_identical_destinations=1
2026-09-09T10:13:39.523626Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=18398 selected_horizon=18398 endpoint_lower_bound=13440 lower_bound_gap=4958 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:39.529176Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=18174 maximum_identical_destinations=1
2026-09-09T10:13:39.529224Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=25270 selected_horizon=25270 endpoint_lower_bound=15744 lower_bound_gap=9526 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-09T10:13:39.559119Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=547 row_words=521 horizon=25270
2026-09-09T10:13:39.679707Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=304 row_words=647 horizon=18398
2026-09-09T10:13:51.676079Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3
2026-09-09T10:13:51.983339Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=586368 maximum_identical_destinations=1
2026-09-09T10:13:51.983386Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=36105 selected_horizon=36105 endpoint_lower_bound=13248 lower_bound_gap=22857 selected_kind="reused" neighborhood_improvements=0
2026-09-09T10:13:52.917474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=1098 row_words=2057 horizon=36105
2026-09-09T10:13:53.066146Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=20480 baseline_score=197328863232 score=168428077056 baseline_cycles=324156 candidate_cycles=314442 row_bytes=14284 row_capacity=16320 accepted=true
2026-09-09T10:13:53.220343Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=18961 success=true
2026-09-09T10:13:53.224172Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: costed final placed program final_cycles=939690 final_exchange=323442
2026-09-09T10:13:53.350849Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=15 success=true
2026-09-09T10:13:53.379732Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=28 success=true
2026-09-09T10:13:53.517662Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=130 success=true
2026-09-09T10:13:53.532419Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=false
2026-09-09T10:13:53.594270Z  INFO ipu_codegen.package.build{tile_count=1472 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=101730 success=true
2026-09-09T10:13:53.652357Z  INFO writing application package tiles=1472
2026-09-09T10:13:53.740872Z  INFO application package written
2026-09-09T10:13:53.742664Z  INFO reading application package
2026-09-09T10:13:53.953634Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-09T10:13:53.959018Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-09T10:13:53.959031Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-09T10:13:53.959036Z  INFO opening IPU device path="/dev/ipu0"
2026-09-09T10:13:53.959072Z  INFO IPU device attached path=/dev/ipu0
2026-09-09T10:13:53.959075Z  INFO initializing IPU device
2026-09-09T10:13:53.967125Z  INFO IPU device initialized
2026-09-09T10:13:53.967154Z  INFO replaying device configuration register_writes=2003
2026-09-09T10:13:53.973373Z  INFO loading application tile_count=1472 final_mark=23
2026-09-09T10:13:54.234743Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-09T10:14:02.901153Z  INFO starting host exchange session startup_mark=23
2026-09-09T10:14:02.901189Z  INFO attaching host exchange pages pages=2
2026-09-09T10:14:02.901726Z  INFO host exchange session started
2026-09-09T10:14:02.901770Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=48
2026-09-09T10:14:02.927311Z  INFO invoking streaming host exchange call call="run" command=0 phases=9
profile=artifacts/compact-traversal-20260909/mlp-b2-hardware-fixed/profile.ipuprof tiles=1472 samples=31596
referenceMaximumAbsoluteError=0.015625 numericalTest=PASS
package=artifacts/compact-traversal-20260909/mlp-b2-hardware-fixed/model.ipuexe tiles=1472 hardwareTest=PASS