2026-09-07T16:19:01.520300Z  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=[]
2026-09-07T16:19:01.527541Z  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=[]
2026-09-07T16:19:01.534691Z  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=[]
2026-09-07T16:19:02.059512Z  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=[]
2026-09-07T16:19:02.066745Z  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=[]
2026-09-07T16:19:02.073876Z  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=[]
2026-09-07T16:19:02.291352Z  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=[]
2026-09-07T16:19:02.298546Z  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=[]
2026-09-07T16:19:02.306366Z  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=[]
2026-09-07T16:19:02.313570Z  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=[]
2026-09-07T16:19:02.531397Z  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=[]
2026-09-07T16:19:02.538619Z  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=[]
2026-09-07T16:19:02.545728Z  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=[]
2026-09-07T16:19:02.552864Z  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=[]
2026-09-07T16:19:02.571073Z  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=1529 success=true
2026-09-07T16:19:04.600642Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=40512 candidate_cycles=38352 baseline_pressure=26030 candidate_pressure=24984
2026-09-07T16:19:04.610250Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=157715 estimated_cycles=267243 estimated_exchange_cycles=152680
2026-09-07T16:19:05.161077Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=40512 candidate_cycles=38352 baseline_pressure=28401 candidate_pressure=27355
2026-09-07T16:19:05.169017Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=172489 estimated_cycles=302625 estimated_exchange_cycles=173288
2026-09-07T16:19:05.169299Z  INFO screened tile mappings by exchange resource load candidates=98 baseline_cycles=44660 candidate_cycles=42356 baseline_pressure=28401 candidate_pressure=27603
2026-09-07T16:19:05.177076Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=172677 estimated_cycles=298809 estimated_exchange_cycles=173288
2026-09-07T16:19:10.820081Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=79648 candidate_cycles=78496 baseline_pressure=69609 candidate_pressure=69197
2026-09-07T16:19:10.825571Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=300658 estimated_cycles=333922 estimated_exchange_cycles=115360
2026-09-07T16:19:11.318934Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=83796 candidate_cycles=81492 baseline_pressure=71980 candidate_pressure=71182
2026-09-07T16:19:11.324449Z  INFO modelled expanded operator plan finalist=5 modelled_cycles=312596 estimated_cycles=359312 estimated_exchange_cycles=131808
2026-09-07T16:19:11.399939Z  INFO screened tile mappings by exchange resource load candidates=61 baseline_cycles=79648 candidate_cycles=79648 baseline_pressure=71980 candidate_pressure=71980
2026-09-07T16:19:11.405779Z  INFO modelled expanded operator plan finalist=6 modelled_cycles=314568 estimated_cycles=363128 estimated_exchange_cycles=131808
2026-09-07T16:19:11.448514Z  INFO screened tile mappings by exchange resource load candidates=65 baseline_cycles=77344 candidate_cycles=77344 baseline_pressure=69609 candidate_pressure=69609
2026-09-07T16:19:11.453875Z  INFO modelled expanded operator plan finalist=4 modelled_cycles=301414 estimated_cycles=335830 estimated_exchange_cycles=115360
2026-09-07T16:19:11.658428Z  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
2026-09-07T16:19:11.658497Z  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
2026-09-07T16:19:11.659750Z  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
2026-09-07T16:19:11.697714Z  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
2026-09-07T16:19:11.697772Z  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
2026-09-07T16:19:11.698731Z  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
2026-09-07T16:19:11.720274Z  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
2026-09-07T16:19:11.720331Z  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
2026-09-07T16:19:11.721907Z  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
2026-09-07T16:19:17.407665Z  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
2026-09-07T16:19:17.407735Z  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
2026-09-07T16:19:17.435229Z  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
2026-09-07T16:19:17.821415Z  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
2026-09-07T16:19:17.821477Z  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
2026-09-07T16:19:17.851573Z  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
2026-09-07T16:19:17.923313Z  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
2026-09-07T16:19:17.923369Z  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
2026-09-07T16:19:17.924900Z  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
2026-09-07T16:19:18.432676Z  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
2026-09-07T16:19:18.432775Z  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
2026-09-07T16:19:18.479813Z  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
2026-09-07T16:19:19.471609Z  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
2026-09-07T16:19:19.471680Z  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
2026-09-07T16:19:19.510784Z  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
2026-09-07T16:19:20.312444Z  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
2026-09-07T16:19:20.312512Z  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
2026-09-07T16:19:20.356088Z  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
2026-09-07T16:19:25.312938Z  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
2026-09-07T16:19:25.313015Z  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
2026-09-07T16:19:25.360040Z  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
2026-09-07T16:19:26.891818Z  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
2026-09-07T16:19:26.891884Z  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
2026-09-07T16:19:26.942953Z  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
2026-09-07T16:19:35.783998Z  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
2026-09-07T16:19:35.784076Z  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
2026-09-07T16:19:35.815458Z  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
2026-09-07T16:19:35.815525Z  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
2026-09-07T16:19:35.884769Z  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
2026-09-07T16:19:35.911814Z  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
2026-09-07T16:19:36.074629Z  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
2026-09-07T16:19:36.217167Z  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
2026-09-07T16:19:36.217236Z  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
2026-09-07T16:19:36.267443Z  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
2026-09-07T16:19:36.311269Z  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
2026-09-07T16:19:36.342843Z  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
2026-09-07T16:19:36.846084Z  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
2026-09-07T16:19:36.846149Z  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=34275 success=true
2026-09-07T16:19:36.846175Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: lowered graph for package construction logical_shards=39312 exchange_phases=8
2026-09-07T16:19:36.846516Z  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
2026-09-07T16:19:36.850168Z  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=3 success=true
2026-09-07T16:19:36.851587Z  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
2026-09-07T16:19:36.852870Z  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
2026-09-07T16:19:37.576333Z  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=15 success=true
2026-09-07T16:19:37.576434Z  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)]
2026-09-07T16:19:37.633400Z  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=56 success=true
2026-09-07T16:19:37.655227Z  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
2026-09-07T16:19:37.656985Z  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
2026-09-07T16:19:37.657092Z  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
2026-09-07T16:19:37.659341Z  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
2026-09-07T16:19:37.665829Z  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
2026-09-07T16:19:37.684598Z  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
2026-09-07T16:19:37.686024Z  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
2026-09-07T16:19:37.686059Z  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
2026-09-07T16:19:37.688234Z  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
2026-09-07T16:19:39.952059Z  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
2026-09-07T16:19:39.998055Z  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
2026-09-07T16:19:39.998104Z  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
2026-09-07T16:19:40.041592Z  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
2026-09-07T16:19:40.195830Z  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
2026-09-07T16:19:40.235052Z  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
2026-09-07T16:19:40.235088Z  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
2026-09-07T16:19:40.279909Z  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
2026-09-07T16:19:41.208913Z  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
2026-09-07T16:19:41.241761Z  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
2026-09-07T16:19:41.241797Z  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
2026-09-07T16:19:41.271900Z  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
2026-09-07T16:19:47.864022Z  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
2026-09-07T16:19:47.864103Z  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
2026-09-07T16:19:47.910874Z  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
2026-09-07T16:19:52.609505Z  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
2026-09-07T16:19:52.706035Z  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
2026-09-07T16:19:52.706094Z  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
2026-09-07T16:19:52.792021Z  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
2026-09-07T16:19:52.858585Z  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=15225 success=true
2026-09-07T16:19:54.090940Z  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
2026-09-07T16:19:54.094166Z  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
2026-09-07T16:19:54.094187Z  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
2026-09-07T16:19:54.095853Z  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
2026-09-07T16:19:54.137021Z  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
2026-09-07T16:19:54.137088Z  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
2026-09-07T16:19:54.139694Z  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
2026-09-07T16:19:56.420134Z  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
2026-09-07T16:19:56.466942Z  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
2026-09-07T16:19:56.466999Z  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
2026-09-07T16:19:56.509392Z  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
2026-09-07T16:19:56.726176Z  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
2026-09-07T16:19:56.767053Z  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
2026-09-07T16:19:56.767104Z  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
2026-09-07T16:19:56.811048Z  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
2026-09-07T16:19:56.841910Z  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
2026-09-07T16:19:57.525394Z  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
2026-09-07T16:19:57.554998Z  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
2026-09-07T16:19:57.555036Z  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
2026-09-07T16:19:57.593417Z  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
2026-09-07T16:19:57.846684Z  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
2026-09-07T16:19:57.891321Z  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
2026-09-07T16:19:57.891357Z  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
2026-09-07T16:19:57.940926Z  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
2026-09-07T16:20:11.195598Z  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
2026-09-07T16:20:11.284020Z  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
2026-09-07T16:20:11.284073Z  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
2026-09-07T16:20:11.372276Z  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
2026-09-07T16:20:11.467896Z  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
2026-09-07T16:20:11.529652Z  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=18670 success=true
2026-09-07T16:20:11.536994Z  INFO ipu_codegen.package.build{tile_count=1472 operations=8}: costed final placed program final_cycles=172916 final_exchange=58353
2026-09-07T16:20:11.914832Z  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=20 success=true
2026-09-07T16:20:11.938099Z  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=23 success=true
2026-09-07T16:20:12.136740Z  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=185 success=true
2026-09-07T16:20:12.251246Z  INFO writing application package tiles=1472
2026-09-07T16:20:12.364327Z  INFO application package written
2026-09-07T16:20:12.368005Z  INFO reading application package
2026-09-07T16:20:12.608703Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T16:20:12.609507Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T16:20:12.609533Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T16:20:12.609540Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T16:20:12.609593Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T16:20:12.609599Z  INFO initializing IPU device
2026-09-07T16:20:12.617720Z  INFO IPU device initialized
2026-09-07T16:20:12.617787Z  INFO replaying device configuration register_writes=2003
2026-09-07T16:20:12.630101Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T16:20:12.868545Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T16:20:26.247746Z  INFO starting host exchange session startup_mark=23
2026-09-07T16:20:26.247815Z  INFO attaching host exchange pages pages=2
2026-09-07T16:20:26.248493Z  INFO host exchange session started
2026-09-07T16:20:26.249411Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=62
2026-09-07T16:20:26.308599Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
profile=artifacts/fp8-before-fanout/host/profile.ipuprof tiles=1472 samples=43505
referenceMaximumAbsoluteError=0.000054 numericalTest=PASS
package=artifacts/fp8-before-fanout/host/model.ipuexe tiles=1472 hardwareTest=PASS