2026-09-07T16:42:44.550162Z  INFO retained operator-plan finalist finalist=0 values=10 operations=8 estimated_cycles=204926 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=[]
2026-09-07T16:42:44.557415Z  INFO retained operator-plan finalist finalist=1 values=10 operations=8 estimated_cycles=214718 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=91692 peak_interleaved_bytes=51200 peak_total_bytes=138540 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:44.564562Z  INFO retained operator-plan finalist finalist=2 values=10 operations=8 estimated_cycles=218534 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=124204 peak_interleaved_bytes=48128 peak_total_bytes=138540 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:45.101404Z  INFO retained operator-plan finalist finalist=0 values=10 operations=8 estimated_cycles=204926 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=[]
2026-09-07T16:42:45.109191Z  INFO retained operator-plan finalist finalist=1 values=10 operations=8 estimated_cycles=214718 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=91692 peak_interleaved_bytes=51200 peak_total_bytes=138540 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:45.116786Z  INFO retained operator-plan finalist finalist=2 values=10 operations=8 estimated_cycles=218534 estimated_exchange_cycles=105640 exchange_row_bytes=21804 peak_standard_bytes=124204 peak_interleaved_bytes=48128 peak_total_bytes=138540 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:45.336291Z  INFO retained operator-plan finalist finalist=0 values=10 operations=8 estimated_cycles=429100 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=[]
2026-09-07T16:42:45.343991Z  INFO retained operator-plan finalist finalist=1 values=10 operations=8 estimated_cycles=431008 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=[]
2026-09-07T16:42:45.351141Z  INFO retained operator-plan finalist finalist=2 values=10 operations=8 estimated_cycles=438892 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=51200 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:45.358257Z  INFO retained operator-plan finalist finalist=3 values=10 operations=8 estimated_cycles=442708 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=[]
2026-09-07T16:42:45.561418Z  INFO retained operator-plan finalist finalist=0 values=10 operations=8 estimated_cycles=429100 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=[]
2026-09-07T16:42:45.570630Z  INFO retained operator-plan finalist finalist=1 values=10 operations=8 estimated_cycles=431008 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=[]
2026-09-07T16:42:45.577895Z  INFO retained operator-plan finalist finalist=2 values=10 operations=8 estimated_cycles=438892 estimated_exchange_cycles=198000 exchange_row_bytes=43240 peak_standard_bytes=209128 peak_interleaved_bytes=51200 peak_total_bytes=239848 maximum_standard_allocation_bytes=122880 active_tile_counts={192, 736, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T16:42:45.585157Z  INFO retained operator-plan finalist finalist=3 values=10 operations=8 estimated_cycles=442708 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=[]
2026-09-07T16:42:45.611356Z  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=1583 success=true
2026-09-07T16:42:47.906396Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=40512 candidate_cycles=38352 baseline_pressure=26030 candidate_pressure=24984
2026-09-07T16:42:47.915033Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=157715 estimated_cycles=267243 estimated_exchange_cycles=152680
2026-09-07T16:42:48.237748Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=44660 candidate_cycles=42356 baseline_pressure=28401 candidate_pressure=27603
2026-09-07T16:42:48.245708Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=172677 estimated_cycles=298809 estimated_exchange_cycles=173288
2026-09-07T16:42:48.315609Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=40512 candidate_cycles=38352 baseline_pressure=28401 candidate_pressure=27355
2026-09-07T16:42:48.323569Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=172489 estimated_cycles=302625 estimated_exchange_cycles=173288
2026-09-07T16:42:54.446094Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=79648 candidate_cycles=78496 baseline_pressure=69609 candidate_pressure=69197
2026-09-07T16:42:54.452246Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=300658 estimated_cycles=333922 estimated_exchange_cycles=115360
2026-09-07T16:42:54.490415Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=79648 candidate_cycles=79648 baseline_pressure=71980 candidate_pressure=71980
2026-09-07T16:42:54.496364Z  INFO modelled expanded operator plan finalist=6 modelled_cycles=314568 estimated_cycles=363128 estimated_exchange_cycles=131808
2026-09-07T16:42:54.730771Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=77344 candidate_cycles=77344 baseline_pressure=69609 candidate_pressure=69609
2026-09-07T16:42:54.736637Z  INFO modelled expanded operator plan finalist=4 modelled_cycles=301414 estimated_cycles=335830 estimated_exchange_cycles=115360
2026-09-07T16:42:54.752646Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=83796 candidate_cycles=81492 baseline_pressure=71980 candidate_pressure=71182
2026-09-07T16:42:54.758823Z  INFO modelled expanded operator plan finalist=5 modelled_cycles=312596 estimated_cycles=359312 estimated_exchange_cycles=131808
2026-09-07T16:42:54.959780Z  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
2026-09-07T16:42:54.959866Z  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
2026-09-07T16:42:54.962111Z  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
2026-09-07T16:42:54.962098Z  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
2026-09-07T16:42:54.962175Z  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
2026-09-07T16:42:54.963485Z  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
2026-09-07T16:42:54.976170Z  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
2026-09-07T16:42:54.976245Z  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=5373 selected_horizon=5339 endpoint_lower_bound=1728 lower_bound_gap=3611 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-07T16:42:54.977791Z  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=25 row_words=23 horizon=5339
2026-09-07T16:42:55.004789Z  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
2026-09-07T16:42:55.004875Z  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
2026-09-07T16:42:55.006849Z  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=522 row_words=12 horizon=3582
2026-09-07T16:43:01.860539Z  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
2026-09-07T16:43:01.860636Z  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
2026-09-07T16:43:01.904712Z  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
2026-09-07T16:43:02.090555Z  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
2026-09-07T16:43:02.090622Z  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=7033 selected_horizon=7033 endpoint_lower_bound=3640 lower_bound_gap=3393 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:02.124278Z  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
2026-09-07T16:43:02.124329Z  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=5873 selected_horizon=5873 endpoint_lower_bound=3640 lower_bound_gap=2233 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:02.135076Z  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=810 row_words=275 horizon=7033
2026-09-07T16:43:02.156777Z  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=380 row_words=305 horizon=5873
2026-09-07T16:43:02.964869Z  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
2026-09-07T16:43:02.964941Z  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
2026-09-07T16:43:03.018603Z  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
2026-09-07T16:43:03.408605Z  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
2026-09-07T16:43:03.408673Z  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
2026-09-07T16:43:03.435553Z  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
2026-09-07T16:43:03.911014Z  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
2026-09-07T16:43:03.911085Z  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=8966 selected_horizon=8966 endpoint_lower_bound=6688 lower_bound_gap=2278 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:03.959330Z  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=387 horizon=8966
2026-09-07T16:43:05.005346Z  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
2026-09-07T16:43:05.005421Z  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
2026-09-07T16:43:05.058006Z  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
2026-09-07T16:43:13.484098Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=6 candidates=448 ordinary_horizon=12237 paired_horizon=10368 use_paired=true
2026-09-07T16:43:13.618656Z  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
2026-09-07T16:43:13.618702Z  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=10368 selected_horizon=10368 endpoint_lower_bound=6672 lower_bound_gap=3696 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:13.672791Z  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=749 row_words=383 horizon=10368
2026-09-07T16:43:16.244726Z  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
2026-09-07T16:43:16.244789Z  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
2026-09-07T16:43:16.310214Z  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
2026-09-07T16:43:16.379099Z  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=267243 analytical_exchange_cycles=152680 scheduled_exchange_cycles=59524 refined_cycles=174087
2026-09-07T16:43:19.309301Z  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
2026-09-07T16:43:19.309391Z  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=10452 selected_horizon=10452 endpoint_lower_bound=6192 lower_bound_gap=4260 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:19.407516Z  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=565 row_words=813 horizon=10452
2026-09-07T16:43:19.485986Z  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=267243 analytical_exchange_cycles=152680 scheduled_exchange_cycles=61299 refined_cycles=175862
2026-09-07T16:43:19.961694Z  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=false
2026-09-07T16:43:19.961761Z  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=34350 success=true
2026-09-07T16:43:19.961787Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: lowered graph for package construction logical_shards=39312 exchange_phases=8
2026-09-07T16:43:19.962407Z  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
2026-09-07T16:43:19.966588Z  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
2026-09-07T16:43:19.967992Z  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
2026-09-07T16:43:19.969821Z  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
2026-09-07T16:43:20.667417Z  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=23 success=true
2026-09-07T16:43:20.667481Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: allocated package support memory linked_end=324228 profile_bytes=168 exchange_table_bytes=7704 host_code_bytes=2496 generated_code_bytes=2220 code_address=409600 standard_ranges=[(425984, 524288)]
2026-09-07T16:43:20.728386Z  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=60 success=true
2026-09-07T16:43:20.762313Z  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
2026-09-07T16:43:20.763191Z  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
2026-09-07T16:43:20.763238Z  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=3582 selected_horizon=3582 endpoint_lower_bound=3456 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:20.764260Z  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=661 row_words=10 horizon=3582
2026-09-07T16:43:20.768011Z  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
2026-09-07T16:43:20.769082Z  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
2026-09-07T16:43:20.769105Z  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=5178 selected_horizon=5178 endpoint_lower_bound=1728 lower_bound_gap=3450 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:20.770448Z  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=629 row_words=21 horizon=5178
2026-09-07T16:43:23.160238Z  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
2026-09-07T16:43:23.193942Z  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
2026-09-07T16:43:23.194010Z  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=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:23.237750Z  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=352 row_words=277 horizon=7133
2026-09-07T16:43:23.527275Z  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
2026-09-07T16:43:23.564350Z  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
2026-09-07T16:43:23.564385Z  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=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:23.610381Z  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=362 row_words=321 horizon=5497
2026-09-07T16:43:24.426796Z  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
2026-09-07T16:43:24.468707Z  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
2026-09-07T16:43:24.468747Z  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=12075 selected_horizon=12075 endpoint_lower_bound=8832 lower_bound_gap=3243 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:24.517452Z  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=355 row_words=391 horizon=12075
2026-09-07T16:43:32.623637Z  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
2026-09-07T16:43:32.623696Z  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=9510 selected_horizon=9510 endpoint_lower_bound=6688 lower_bound_gap=2822 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:32.648582Z  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=64 row_words=391 horizon=9510
2026-09-07T16:43:32.680903Z  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
2026-09-07T16:43:36.566607Z  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
2026-09-07T16:43:36.627332Z  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
2026-09-07T16:43:36.627385Z  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=7328 selected_horizon=7328 endpoint_lower_bound=6192 lower_bound_gap=1136 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:36.692463Z  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=716 row_words=724 horizon=7328
2026-09-07T16:43:36.740953Z  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=16012 success=true
2026-09-07T16:43:37.852447Z  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
2026-09-07T16:43:37.878490Z  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
2026-09-07T16:43:37.879401Z  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
2026-09-07T16:43:37.879424Z  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=3582 selected_horizon=3582 endpoint_lower_bound=3456 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:37.880725Z  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=661 row_words=10 horizon=3582
2026-09-07T16:43:40.247406Z  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
2026-09-07T16:43:40.288448Z  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
2026-09-07T16:43:40.288500Z  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=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:40.336714Z  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=352 row_words=277 horizon=7133
2026-09-07T16:43:40.415334Z  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
2026-09-07T16:43:40.415389Z  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=3530 selected_horizon=3530 endpoint_lower_bound=1728 lower_bound_gap=1802 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:43:40.416967Z  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=229 row_words=23 horizon=3530
2026-09-07T16:43:40.458327Z  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
2026-09-07T16:43:40.494372Z  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
2026-09-07T16:43:40.494408Z  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=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:40.546958Z  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=362 row_words=321 horizon=5497
2026-09-07T16:43:41.355454Z  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
2026-09-07T16:43:41.389061Z  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
2026-09-07T16:43:41.389121Z  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=9510 selected_horizon=9510 endpoint_lower_bound=6688 lower_bound_gap=2822 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:41.430527Z  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=64 row_words=391 horizon=9510
2026-09-07T16:43:41.529498Z  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
2026-09-07T16:43:41.579158Z  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
2026-09-07T16:43:41.579194Z  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=12075 selected_horizon=12075 endpoint_lower_bound=8832 lower_bound_gap=3243 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:41.633640Z  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=355 row_words=391 horizon=12075
2026-09-07T16:43:52.218959Z  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
2026-09-07T16:43:52.268912Z  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
2026-09-07T16:43:52.268932Z  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=7328 selected_horizon=7328 endpoint_lower_bound=6192 lower_bound_gap=1136 selected_kind="reused" neighborhood_improvements=0
2026-09-07T16:43:52.317386Z  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=716 row_words=724 horizon=7328
2026-09-07T16:43:52.378369Z  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=55201 candidate_cycles=53553 row_bytes=7696 row_capacity=16320 accepted=true
2026-09-07T16:43:52.421248Z  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=15680 success=true
2026-09-07T16:43:52.426598Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: costed final placed program final_cycles=172916 final_exchange=58353
2026-09-07T16:43:52.810478Z  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=19 success=true
2026-09-07T16:43:52.831466Z  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=20 success=true
2026-09-07T16:43:53.024077Z  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=184 success=true
2026-09-07T16:43:53.121855Z  INFO writing application package tiles=1472
2026-09-07T16:43:53.182840Z  INFO application package written
2026-09-07T16:43:53.183281Z  INFO reading application package
2026-09-07T16:43:53.370920Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T16:43:53.371251Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T16:43:53.371266Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T16:43:53.371271Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T16:43:53.371301Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T16:43:53.371306Z  INFO initializing IPU device
2026-09-07T16:43:53.379594Z  INFO IPU device initialized
2026-09-07T16:43:53.379625Z  INFO replaying device configuration register_writes=2003
2026-09-07T16:43:53.389705Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T16:43:53.594489Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T16:44:05.643376Z  INFO starting host exchange session startup_mark=23
2026-09-07T16:44:05.643409Z  INFO attaching host exchange pages pages=2
2026-09-07T16:44:05.644019Z  INFO host exchange session started
2026-09-07T16:44:05.644596Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=62
2026-09-07T16:44:05.682898Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
profile=artifacts/fp8-before-fanout/attention-final/profile.ipuprof tiles=1472 samples=43505
referenceMaximumAbsoluteError=0.000054 numericalTest=PASS
package=artifacts/fp8-before-fanout/attention-final/model.ipuexe tiles=1472 hardwareTest=PASS