2026-09-07T15:01:04.420620Z  INFO retained operator-plan finalist finalist=0 values=11 operations=9 estimated_cycles=209648 estimated_exchange_cycles=99880 exchange_row_bytes=20508 peak_standard_bytes=151580 peak_interleaved_bytes=48128 peak_total_bytes=193564 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:04.427862Z  INFO retained operator-plan finalist finalist=1 values=11 operations=9 estimated_cycles=223832 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=91692 peak_interleaved_bytes=55296 peak_total_bytes=142636 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:04.435008Z  INFO retained operator-plan finalist finalist=2 values=11 operations=9 estimated_cycles=227648 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=142636 peak_interleaved_bytes=48128 peak_total_bytes=142636 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:04.966876Z  INFO retained operator-plan finalist finalist=0 values=11 operations=9 estimated_cycles=209648 estimated_exchange_cycles=99880 exchange_row_bytes=20508 peak_standard_bytes=151580 peak_interleaved_bytes=48128 peak_total_bytes=193564 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:04.974135Z  INFO retained operator-plan finalist finalist=1 values=11 operations=9 estimated_cycles=223832 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=91692 peak_interleaved_bytes=55296 peak_total_bytes=142636 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:04.981243Z  INFO retained operator-plan finalist finalist=2 values=11 operations=9 estimated_cycles=227648 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=142636 peak_interleaved_bytes=48128 peak_total_bytes=142636 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.199085Z  INFO retained operator-plan finalist finalist=0 values=11 operations=9 estimated_cycles=433822 estimated_exchange_cycles=192240 exchange_row_bytes=41944 peak_standard_bytes=207832 peak_interleaved_bytes=41984 peak_total_bytes=238552 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.206322Z  INFO retained operator-plan finalist finalist=1 values=11 operations=9 estimated_cycles=435730 estimated_exchange_cycles=192240 exchange_row_bytes=41944 peak_standard_bytes=207832 peak_interleaved_bytes=39680 peak_total_bytes=238552 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.213447Z  INFO retained operator-plan finalist finalist=2 values=11 operations=9 estimated_cycles=448006 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=55296 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.220577Z  INFO retained operator-plan finalist finalist=3 values=11 operations=9 estimated_cycles=451822 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=39680 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.434596Z  INFO retained operator-plan finalist finalist=0 values=11 operations=9 estimated_cycles=433822 estimated_exchange_cycles=192240 exchange_row_bytes=41944 peak_standard_bytes=207832 peak_interleaved_bytes=41984 peak_total_bytes=238552 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.441809Z  INFO retained operator-plan finalist finalist=1 values=11 operations=9 estimated_cycles=435730 estimated_exchange_cycles=192240 exchange_row_bytes=41944 peak_standard_bytes=207832 peak_interleaved_bytes=39680 peak_total_bytes=238552 maximum_standard_allocation_bytes=131072 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.448982Z  INFO retained operator-plan finalist finalist=2 values=11 operations=9 estimated_cycles=448006 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=55296 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.456107Z  INFO retained operator-plan finalist finalist=3 values=11 operations=9 estimated_cycles=451822 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=39680 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-07T15:01:05.474598Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=1548 success=true
2026-09-07T15:01:07.213856Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=40512 candidate_cycles=38208 baseline_pressure=28401 candidate_pressure=26097
2026-09-07T15:01:07.220038Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=177643 estimated_cycles=307923 estimated_exchange_cycles=173288
2026-09-07T15:01:07.966964Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=40512 candidate_cycles=38208 baseline_pressure=26030 candidate_pressure=24878
2026-09-07T15:01:07.974830Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=162293 estimated_cycles=271965 estimated_exchange_cycles=152680
2026-09-07T15:01:08.018036Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=44660 candidate_cycles=42356 baseline_pressure=28401 candidate_pressure=27603
2026-09-07T15:01:08.025459Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=185607 estimated_cycles=311739 estimated_exchange_cycles=173288
2026-09-07T15:01:13.791182Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=77344 candidate_cycles=76192 baseline_pressure=69609 candidate_pressure=68457
2026-09-07T15:01:13.795830Z  INFO modelled expanded operator plan finalist=4 modelled_cycles=304984 estimated_cycles=340552 estimated_exchange_cycles=115360
2026-09-07T15:01:14.227072Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=83796 candidate_cycles=81492 baseline_pressure=71980 candidate_pressure=71182
2026-09-07T15:01:14.233451Z  INFO modelled expanded operator plan finalist=6 modelled_cycles=325526 estimated_cycles=372242 estimated_exchange_cycles=131808
2026-09-07T15:01:14.307823Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=79648 candidate_cycles=77344 baseline_pressure=69609 candidate_pressure=68457
2026-09-07T15:01:14.314005Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=304228 estimated_cycles=338644 estimated_exchange_cycles=115360
2026-09-07T15:01:14.464093Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=79648 candidate_cycles=77344 baseline_pressure=71980 candidate_pressure=69676
2026-09-07T15:01:14.469942Z  INFO modelled expanded operator plan finalist=5 modelled_cycles=317562 estimated_cycles=368426 estimated_exchange_cycles=131808
2026-09-07T15:01:14.660787Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=1426 maximum_identical_destinations=1
2026-09-07T15:01:14.660838Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=3582 selected_horizon=3582 endpoint_lower_bound=3456 lower_bound_gap=126 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:14.661711Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=661 row_words=10 horizon=3582
2026-09-07T15:01:14.682128Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=1426 maximum_identical_destinations=1
2026-09-07T15:01:14.682180Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=3623 selected_horizon=3623 endpoint_lower_bound=3456 lower_bound_gap=167 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:14.683620Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=728 row_words=10 horizon=3623
2026-09-07T15:01:14.708639Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=2024 maximum_identical_destinations=1
2026-09-07T15:01:14.708694Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=5178 selected_horizon=5178 endpoint_lower_bound=1728 lower_bound_gap=3450 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:14.710117Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=629 row_words=21 horizon=5178
2026-09-07T15:01:14.711518Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=0 candidates=92 ordinary_horizon=4836 paired_horizon=2532 use_paired=true
2026-09-07T15:01:14.747108Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=2024 maximum_identical_destinations=1
2026-09-07T15:01:14.747182Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=5034 selected_horizon=5034 endpoint_lower_bound=1728 lower_bound_gap=3306 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:14.749579Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=682 row_words=23 horizon=5034
2026-09-07T15:01:20.966668Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=66880 maximum_identical_destinations=1
2026-09-07T15:01:20.966768Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:21.015020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=362 row_words=321 horizon=5497
2026-09-07T15:01:21.433458Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=61520 maximum_identical_destinations=1
2026-09-07T15:01:21.433528Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=6664 selected_horizon=6664 endpoint_lower_bound=3640 lower_bound_gap=3024 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:21.478911Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=731 row_words=285 horizon=6664
2026-09-07T15:01:22.056701Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=66880 maximum_identical_destinations=1
2026-09-07T15:01:22.056777Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=5999 selected_horizon=5999 endpoint_lower_bound=3640 lower_bound_gap=2359 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:22.102985Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=731 row_words=325 horizon=5999
2026-09-07T15:01:23.167647Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=63449 maximum_identical_destinations=1
2026-09-07T15:01:23.167721Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=8955 selected_horizon=8955 endpoint_lower_bound=6688 lower_bound_gap=2267 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:23.211403Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=576 row_words=394 horizon=8955
2026-09-07T15:01:23.330651Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=63449 maximum_identical_destinations=1
2026-09-07T15:01:23.330719Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=9033 selected_horizon=9033 endpoint_lower_bound=6688 lower_bound_gap=2345 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:23.369372Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=64 row_words=388 horizon=9033
2026-09-07T15:01:23.862753Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=75104 maximum_identical_destinations=1
2026-09-07T15:01:23.862825Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=12075 selected_horizon=12075 endpoint_lower_bound=8832 lower_bound_gap=3243 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:23.913603Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=355 row_words=391 horizon=12075
2026-09-07T15:01:24.051797Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=75104 maximum_identical_destinations=1
2026-09-07T15:01:24.051869Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=12514 selected_horizon=12514 endpoint_lower_bound=8832 lower_bound_gap=3682 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:24.103085Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=631 row_words=413 horizon=12514
2026-09-07T15:01:28.110424Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=61520 maximum_identical_destinations=1
2026-09-07T15:01:28.110521Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:28.156490Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=352 row_words=277 horizon=7133
2026-09-07T15:01:38.668408Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=32656 maximum_identical_destinations=1
2026-09-07T15:01:38.668511Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=8991 selected_horizon=8991 endpoint_lower_bound=6192 lower_bound_gap=2799 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:38.774881Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=535 row_words=763 horizon=8991
2026-09-07T15:01:38.866243Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=true analytical_cycles=271965 analytical_exchange_cycles=152680 scheduled_exchange_cycles=59112 refined_cycles=178397
2026-09-07T15:01:39.154051Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=32656 maximum_identical_destinations=1
2026-09-07T15:01:39.154119Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=7328 selected_horizon=7328 endpoint_lower_bound=6192 lower_bound_gap=1136 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:39.245831Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=716 row_words=724 horizon=7328
2026-09-07T15:01:39.340041Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=271965 analytical_exchange_cycles=152680 scheduled_exchange_cycles=59524 refined_cycles=178809
2026-09-07T15:01:39.815100Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=true
2026-09-07T15:01:39.815188Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=34340 success=true
2026-09-07T15:01:39.815239Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: lowered graph for package construction logical_shards=40784 exchange_phases=8
2026-09-07T15:01:39.815620Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-07T15:01:39.820166Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=4 success=true
2026-09-07T15:01:39.821721Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=1 success=true
2026-09-07T15:01:39.823394Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-07T15:01:40.680763Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=17 success=true
2026-09-07T15:01:40.680838Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: allocated package support memory linked_end=325308 profile_bytes=172 exchange_table_bytes=7856 host_code_bytes=2632 generated_code_bytes=2296 code_address=412296 standard_ranges=[(425984, 524288)]
2026-09-07T15:01:40.748670Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=67 success=true
2026-09-07T15:01:40.760546Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T15:01:40.761117Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=1426 maximum_identical_destinations=1
2026-09-07T15:01:40.761133Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=3623 selected_horizon=3623 endpoint_lower_bound=3456 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:40.761993Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=728 row_words=10 horizon=3623
2026-09-07T15:01:40.776660Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T15:01:40.790506Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-07T15:01:40.794058Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=2024 maximum_identical_destinations=1
2026-09-07T15:01:40.794258Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=5034 selected_horizon=5034 endpoint_lower_bound=1728 lower_bound_gap=3306 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:40.797175Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=682 row_words=23 horizon=5034
2026-09-07T15:01:43.227858Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-07T15:01:43.267923Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=61520 maximum_identical_destinations=1
2026-09-07T15:01:43.267998Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=6664 selected_horizon=6664 endpoint_lower_bound=3640 lower_bound_gap=3024 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:43.312812Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=731 row_words=285 horizon=6664
2026-09-07T15:01:43.413372Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-07T15:01:43.463545Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=66880 maximum_identical_destinations=1
2026-09-07T15:01:43.463600Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=5999 selected_horizon=5999 endpoint_lower_bound=3640 lower_bound_gap=2359 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:43.529709Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=731 row_words=325 horizon=5999
2026-09-07T15:01:44.632712Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-07T15:01:44.673943Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=75104 maximum_identical_destinations=1
2026-09-07T15:01:44.673985Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=12514 selected_horizon=12514 endpoint_lower_bound=8832 lower_bound_gap=3682 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:44.723490Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=631 row_words=413 horizon=12514
2026-09-07T15:01:53.260108Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=63449 maximum_identical_destinations=1
2026-09-07T15:01:53.260179Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=9129 selected_horizon=9129 endpoint_lower_bound=6688 lower_bound_gap=2441 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:01:53.311589Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=576 row_words=418 horizon=9129
2026-09-07T15:01:58.516112Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T15:01:58.617467Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=32656 maximum_identical_destinations=1
2026-09-07T15:01:58.617534Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=8991 selected_horizon=8991 endpoint_lower_bound=6192 lower_bound_gap=2799 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:01:58.725571Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=535 row_words=763 horizon=8991
2026-09-07T15:01:58.794434Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=18045 success=true
2026-09-07T15:02:00.115861Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T15:02:00.116707Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=1426 maximum_identical_destinations=1
2026-09-07T15:02:00.116729Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=3623 selected_horizon=3623 endpoint_lower_bound=3456 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:00.119048Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=728 row_words=10 horizon=3623
2026-09-07T15:02:00.158433Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=2024 maximum_identical_destinations=1
2026-09-07T15:02:00.158526Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=3681 selected_horizon=3681 endpoint_lower_bound=1728 lower_bound_gap=1953 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:00.161521Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=681 row_words=24 horizon=3681
2026-09-07T15:02:02.718564Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=5
2026-09-07T15:02:02.729195Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=7
2026-09-07T15:02:02.761900Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=5 transfers=66880 maximum_identical_destinations=1
2026-09-07T15:02:02.761941Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=5 initial_horizon=5999 selected_horizon=5999 endpoint_lower_bound=3640 lower_bound_gap=2359 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:02.769585Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=7 transfers=61520 maximum_identical_destinations=1
2026-09-07T15:02:02.769631Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=7 initial_horizon=6664 selected_horizon=6664 endpoint_lower_bound=3640 lower_bound_gap=3024 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:02.806452Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=5 tile=731 row_words=325 horizon=5999
2026-09-07T15:02:02.812691Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=7 tile=731 row_words=285 horizon=6664
2026-09-07T15:02:02.853924Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T15:02:03.541472Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3
2026-09-07T15:02:03.571232Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=63449 maximum_identical_destinations=1
2026-09-07T15:02:03.571278Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=9129 selected_horizon=9129 endpoint_lower_bound=6688 lower_bound_gap=2441 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:03.609037Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=576 row_words=418 horizon=9129
2026-09-07T15:02:03.925031Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=6
2026-09-07T15:02:03.973471Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=6 transfers=75104 maximum_identical_destinations=1
2026-09-07T15:02:03.973518Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=6 initial_horizon=12514 selected_horizon=12514 endpoint_lower_bound=8832 lower_bound_gap=3682 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:04.023951Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=6 tile=631 row_words=413 horizon=12514
2026-09-07T15:02:17.306068Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T15:02:17.397194Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=4 transfers=32656 maximum_identical_destinations=1
2026-09-07T15:02:17.397271Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=4 initial_horizon=8991 selected_horizon=8991 endpoint_lower_bound=6192 lower_bound_gap=2799 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:17.504572Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=4 tile=535 row_words=763 horizon=8991
2026-09-07T15:02:17.602538Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=24576 baseline_score=47000399872 score=27465428992 baseline_cycles=54486 candidate_cycles=53133 row_bytes=7816 row_capacity=16320 accepted=true
2026-09-07T15:02:17.786887Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=18992 success=true
2026-09-07T15:02:17.792827Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: costed final placed program final_cycles=177218 final_exchange=57933
2026-09-07T15:02:18.209436Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=27 success=true
2026-09-07T15:02:18.236983Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=27 success=true
2026-09-07T15:02:18.449856Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=200 success=true
2026-09-07T15:02:18.560714Z  INFO writing application package tiles=1472
2026-09-07T15:02:18.657501Z  INFO application package written
2026-09-07T15:02:18.657763Z  INFO reading application package
2026-09-07T15:02:18.853114Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T15:02:18.853664Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T15:02:18.853685Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T15:02:18.853693Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T15:02:18.853735Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T15:02:18.853741Z  INFO initializing IPU device
2026-09-07T15:02:18.861870Z  INFO IPU device initialized
2026-09-07T15:02:18.861919Z  INFO replaying device configuration register_writes=2003
2026-09-07T15:02:18.873012Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T15:02:19.103764Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T15:02:32.580047Z  INFO starting host exchange session startup_mark=23
2026-09-07T15:02:32.580112Z  INFO attaching host exchange pages pages=2
2026-09-07T15:02:32.580852Z  INFO host exchange session started
2026-09-07T15:02:32.581742Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=62
2026-09-07T15:02:32.646301Z  INFO invoking streaming host exchange call call="run" command=0 phases=17
profile=artifacts/fp8-fast/attention/profile-panel.ipuprof tiles=1472 samples=44977
referenceMaximumAbsoluteError=0.000910 numericalTest=PASS
package=artifacts/fp8-fast/attention/model-panel.ipuexe tiles=1472 hardwareTest=PASS