2026-09-07T12:15:02.750701Z  INFO retained operator-plan finalist finalist=0 values=11 operations=7 estimated_cycles=283418 estimated_exchange_cycles=124960 exchange_row_bytes=26020 peak_standard_bytes=333220 peak_interleaved_bytes=52480 peak_total_bytes=378276 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T12:15:02.770957Z  INFO retained operator-plan finalist finalist=1 values=13 operations=9 estimated_cycles=379841 estimated_exchange_cycles=109840 exchange_row_bytes=22880 peak_standard_bytes=268640 peak_interleaved_bytes=180224 peak_total_bytes=448864 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1380, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(1)), Some(OperationId(2))]
2026-09-07T12:15:02.791554Z  INFO retained operator-plan finalist finalist=2 values=11 operations=7 estimated_cycles=404203 estimated_exchange_cycles=126240 exchange_row_bytes=26308 peak_standard_bytes=164804 peak_interleaved_bytes=52864 peak_total_bytes=201476 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 480, 1472} padding_group_counts={16} conversion_sources=[]
2026-09-07T12:15:02.795068Z  INFO retained operator-plan finalist finalist=3 values=12 operations=8 estimated_cycles=417634 estimated_exchange_cycles=121280 exchange_row_bytes=25716 peak_standard_bytes=107636 peak_interleaved_bytes=327680 peak_total_bytes=435316 maximum_standard_allocation_bytes=49152 active_tile_counts={192, 480, 1440, 1472} padding_group_counts={16} conversion_sources=[Some(OperationId(2))]
2026-09-07T12:15:05.556623Z  INFO retained operator-plan finalist finalist=0 values=11 operations=7 estimated_cycles=283418 estimated_exchange_cycles=124960 exchange_row_bytes=26020 peak_standard_bytes=333220 peak_interleaved_bytes=52480 peak_total_bytes=378276 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T12:15:05.576736Z  INFO retained operator-plan finalist finalist=1 values=11 operations=7 estimated_cycles=283418 estimated_exchange_cycles=124960 exchange_row_bytes=26020 peak_standard_bytes=320932 peak_interleaved_bytes=61056 peak_total_bytes=378276 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T12:15:05.598805Z  INFO retained operator-plan finalist finalist=2 values=11 operations=7 estimated_cycles=288440 estimated_exchange_cycles=132160 exchange_row_bytes=27640 peak_standard_bytes=331768 peak_interleaved_bytes=51200 peak_total_bytes=373752 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 368, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T12:15:05.620130Z  INFO retained operator-plan finalist finalist=3 values=11 operations=7 estimated_cycles=389292 estimated_exchange_cycles=206720 exchange_row_bytes=44416 peak_standard_bytes=219520 peak_interleaved_bytes=60416 peak_total_bytes=260480 maximum_standard_allocation_bytes=65536 active_tile_counts={192, 207, 1472} padding_group_counts={} conversion_sources=[]
2026-09-07T12:15:05.778429Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=6510 success=true
2026-09-07T12:15:08.246921Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=82496 candidate_cycles=80336 baseline_pressure=52010 candidate_pressure=50964
2026-09-07T12:15:08.257258Z  INFO modelled expanded operator plan finalist=10 modelled_cycles=306917 estimated_cycles=512645 estimated_exchange_cycles=293264
2026-09-07T12:15:08.259603Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=82496 candidate_cycles=80336 baseline_pressure=52259 candidate_pressure=51213
2026-09-07T12:15:08.268296Z  INFO modelled expanded operator plan finalist=11 modelled_cycles=322395 estimated_cycles=535803 estimated_exchange_cycles=300944
2026-09-07T12:15:08.303185Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=50880 candidate_cycles=47424 baseline_pressure=34258 candidate_pressure=30802
2026-09-07T12:15:08.307192Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=50880 candidate_cycles=47424 baseline_pressure=34117 candidate_pressure=30661
2026-09-07T12:15:08.307864Z  INFO screened tile mappings by exchange resource load candidates=126 baseline_cycles=47488 candidate_cycles=45328 baseline_pressure=33348 candidate_pressure=32302
2026-09-07T12:15:08.310339Z  INFO screened tile mappings by exchange resource load candidates=126 baseline_cycles=47488 candidate_cycles=45328 baseline_pressure=33348 candidate_pressure=32302
2026-09-07T12:15:08.312303Z  INFO modelled expanded operator plan finalist=9 modelled_cycles=242273 estimated_cycles=382737 estimated_exchange_cycles=195088
2026-09-07T12:15:08.316983Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=237399 estimated_cycles=388375 estimated_exchange_cycles=203504
2026-09-07T12:15:08.317603Z  INFO modelled expanded operator plan finalist=8 modelled_cycles=235015 estimated_cycles=370999 estimated_exchange_cycles=190608
2026-09-07T12:15:08.319572Z  INFO modelled expanded operator plan finalist=7 modelled_cycles=229767 estimated_cycles=380743 estimated_exchange_cycles=203504
2026-09-07T12:15:08.320614Z  INFO screened tile mappings by exchange resource load candidates=126 baseline_cycles=47488 candidate_cycles=45328 baseline_pressure=33200 candidate_pressure=32154
2026-09-07T12:15:08.329474Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=231751 estimated_cycles=382727 estimated_exchange_cycles=203504
2026-09-07T12:15:08.349265Z  INFO screened tile mappings by exchange resource load candidates=126 baseline_cycles=47488 candidate_cycles=45328 baseline_pressure=33200 candidate_pressure=32154
2026-09-07T12:15:08.358321Z  INFO modelled expanded operator plan finalist=6 modelled_cycles=224119 estimated_cycles=375095 estimated_exchange_cycles=203504
2026-09-07T12:15:08.798821Z  INFO screened tile mappings by exchange resource load candidates=130 baseline_cycles=53056 candidate_cycles=50896 baseline_pressure=29225 candidate_pressure=28179
2026-09-07T12:15:08.817017Z  INFO screened tile mappings by exchange resource load candidates=130 baseline_cycles=53056 candidate_cycles=50896 baseline_pressure=29077 candidate_pressure=28031
2026-09-07T12:15:08.818940Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=352720 estimated_cycles=526912 estimated_exchange_cycles=231088
2026-09-07T12:15:08.836510Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=352368 estimated_cycles=526560 estimated_exchange_cycles=231088
2026-09-07T12:15:09.340408Z  INFO screened tile mappings by exchange resource load candidates=148 baseline_cycles=45984 candidate_cycles=44376 baseline_pressure=30133 candidate_pressure=29087
2026-09-07T12:15:09.363701Z  INFO modelled expanded operator plan finalist=5 modelled_cycles=367367 estimated_cycles=517319 estimated_exchange_cycles=199128
2026-09-07T12:15:10.019107Z  INFO screened tile mappings by exchange resource load candidates=160 baseline_cycles=47624 candidate_cycles=45464 baseline_pressure=33413 candidate_pressure=32367
2026-09-07T12:15:10.028751Z  INFO modelled expanded operator plan finalist=4 modelled_cycles=685345 estimated_cycles=1295401 estimated_exchange_cycles=662720
2026-09-07T12:15:10.177085Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:10.177144Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=2890 selected_horizon=2890 endpoint_lower_bound=2784 lower_bound_gap=106 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:10.177232Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:10.177292Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=2890 selected_horizon=2890 endpoint_lower_bound=2784 lower_bound_gap=106 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:10.178181Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=441 row_words=13 horizon=2890
2026-09-07T12:15:10.178351Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=441 row_words=13 horizon=2890
2026-09-07T12:15:10.188072Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=1288 maximum_identical_destinations=1
2026-09-07T12:15:10.188122Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=2887 selected_horizon=2887 endpoint_lower_bound=2784 lower_bound_gap=103 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:10.189464Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=1005 row_words=13 horizon=2887
2026-09-07T12:15:11.266891Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1
2026-09-07T12:15:11.266956Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=1674 selected_horizon=1674 endpoint_lower_bound=928 lower_bound_gap=746 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:11.273912Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=457 row_words=121 horizon=1674
2026-09-07T12:15:14.389642Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=14720 maximum_identical_destinations=1
2026-09-07T12:15:14.389708Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=3491 selected_horizon=3491 endpoint_lower_bound=2880 lower_bound_gap=611 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:14.422955Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=551 row_words=354 horizon=3491
2026-09-07T12:15:16.742874Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=61520 maximum_identical_destinations=1
2026-09-07T12:15:16.742943Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:16.788277Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=352 row_words=277 horizon=7133
2026-09-07T12:15:17.089377Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=61520 maximum_identical_destinations=1
2026-09-07T12:15:17.089451Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=7033 selected_horizon=7033 endpoint_lower_bound=3640 lower_bound_gap=3393 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:17.133012Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=810 row_words=275 horizon=7033
2026-09-07T12:15:17.247030Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=66880 maximum_identical_destinations=1
2026-09-07T12:15:17.247102Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:17.294916Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=362 row_words=321 horizon=5497
2026-09-07T12:15:18.067178Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=66880 maximum_identical_destinations=1
2026-09-07T12:15:18.067270Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=5873 selected_horizon=5873 endpoint_lower_bound=3640 lower_bound_gap=2233 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:18.113130Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=380 row_words=305 horizon=5873
2026-09-07T12:15:19.604483Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=75104 maximum_identical_destinations=1
2026-09-07T12:15:19.604562Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=12075 selected_horizon=12075 endpoint_lower_bound=8832 lower_bound_gap=3243 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:19.654109Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=355 row_words=391 horizon=12075
2026-09-07T12:15:28.393446Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=10 candidates=448 ordinary_horizon=12237 paired_horizon=10368 use_paired=true
2026-09-07T12:15:28.530577Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=75104 maximum_identical_destinations=1
2026-09-07T12:15:28.530633Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=10368 selected_horizon=10368 endpoint_lower_bound=6672 lower_bound_gap=3696 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:28.584137Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=749 row_words=383 horizon=10368
2026-09-07T12:15:33.013826Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=14720 maximum_identical_destinations=1
2026-09-07T12:15:33.013918Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=6005 selected_horizon=6005 endpoint_lower_bound=2880 lower_bound_gap=3125 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:33.046240Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=300 row_words=359 horizon=6005
2026-09-07T12:15:34.256165Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1
2026-09-07T12:15:34.256262Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=1702 selected_horizon=1702 endpoint_lower_bound=928 lower_bound_gap=774 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:34.266502Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=380 row_words=125 horizon=1702
2026-09-07T12:15:41.231623Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=84522 maximum_identical_destinations=1
2026-09-07T12:15:41.231696Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=13936 selected_horizon=13936 endpoint_lower_bound=9712 lower_bound_gap=4224 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:41.347014Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=416 row_words=1116 horizon=13936
2026-09-07T12:15:41.438505Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=6 mapped=true analytical_cycles=375095 analytical_exchange_cycles=203504 scheduled_exchange_cycles=70425 refined_cycles=242016
2026-09-07T12:15:41.492397Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:41.492449Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:41.493485Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=367 row_words=11 horizon=2913
2026-09-07T12:15:41.585682Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:41.585723Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:41.586829Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=367 row_words=11 horizon=2913
2026-09-07T12:15:46.656987Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=84522 maximum_identical_destinations=1
2026-09-07T12:15:46.657021Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=12715 selected_horizon=12715 endpoint_lower_bound=9712 lower_bound_gap=3003 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:46.725072Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=52 row_words=1099 horizon=12715
2026-09-07T12:15:46.789913Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=1288 maximum_identical_destinations=1
2026-09-07T12:15:46.789931Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=2887 selected_horizon=2887 endpoint_lower_bound=2784 lower_bound_gap=103 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T12:15:46.790459Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=919 row_words=11 horizon=2887
2026-09-07T12:15:46.803810Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=6 mapped=false analytical_cycles=375095 analytical_exchange_cycles=203504 scheduled_exchange_cycles=68240 refined_cycles=239831
2026-09-07T12:15:47.845988Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=6 mapped=false
2026-09-07T12:15:47.846040Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=42067 success=true
2026-09-07T12:15:47.846059Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: lowered graph for package construction logical_shards=49708 exchange_phases=12
2026-09-07T12:15:47.846405Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-07T12:15:47.849366Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=2 success=true
2026-09-07T12:15:47.850375Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/attention_softmax_f16.S name="attention_softmax_d72_p768_tail" target=ipu21
2026-09-07T12:15:47.901548Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/fa63ad75867bb7f8344e6324fd118807b35bcafe6c0d06add65bd12911327ab5/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/fa63ad75867bb7f8344e6324fd118807b35bcafe6c0d06add65bd12911327ab5/kernel.json
2026-09-07T12:15:47.901780Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=52 success=true
2026-09-07T12:15:47.903931Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-07T12:15:49.177793Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=22 success=true
2026-09-07T12:15:49.177881Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: allocated package support memory linked_end=324380 profile_bytes=196 exchange_table_bytes=8712 host_code_bytes=4736 generated_code_bytes=3212 code_address=414400 standard_ranges=[(425984, 524288)]
2026-09-07T12:15:49.241383Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=63 success=true
2026-09-07T12:15:49.247829Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T12:15:49.250526Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-07T12:15:49.250957Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=1288 maximum_identical_destinations=1
2026-09-07T12:15:49.250969Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=2887 selected_horizon=2887 endpoint_lower_bound=2784 lower_bound_gap=103 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:49.251561Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T12:15:49.251637Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=919 row_words=11 horizon=2887
2026-09-07T12:15:49.251794Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-07T12:15:49.252037Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:49.252048Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:49.252298Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1
2026-09-07T12:15:49.252315Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:49.252808Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=367 row_words=11 horizon=2913
2026-09-07T12:15:49.253061Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=367 row_words=11 horizon=2913
2026-09-07T12:15:49.256801Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-07T12:15:49.687365Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-07T12:15:49.694871Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1
2026-09-07T12:15:49.694889Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=1702 selected_horizon=1702 endpoint_lower_bound=928 lower_bound_gap=774 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:49.704163Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=380 row_words=125 horizon=1702
2026-09-07T12:15:51.283026Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-07T12:15:51.314440Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=11 transfers=61520 maximum_identical_destinations=1
2026-09-07T12:15:51.314466Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=11 initial_horizon=7133 selected_horizon=7133 endpoint_lower_bound=3640 lower_bound_gap=3493 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:51.355711Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=11 tile=352 row_words=277 horizon=7133
2026-09-07T12:15:51.470780Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-07T12:15:51.500229Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=66880 maximum_identical_destinations=1
2026-09-07T12:15:51.500249Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=5497 selected_horizon=5497 endpoint_lower_bound=3640 lower_bound_gap=1857 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:51.543776Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=362 row_words=321 horizon=5497
2026-09-07T12:15:51.967094Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-07T12:15:51.995423Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=14720 maximum_identical_destinations=1
2026-09-07T12:15:51.995447Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=3491 selected_horizon=3491 endpoint_lower_bound=2880 lower_bound_gap=611 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:52.024032Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=551 row_words=354 horizon=3491
2026-09-07T12:15:55.226561Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-07T12:15:55.269324Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=75104 maximum_identical_destinations=1
2026-09-07T12:15:55.269348Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=12075 selected_horizon=12075 endpoint_lower_bound=8832 lower_bound_gap=3243 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:55.316131Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=355 row_words=391 horizon=12075
2026-09-07T12:15:58.827589Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-07T12:15:58.877682Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=84522 maximum_identical_destinations=1
2026-09-07T12:15:58.877708Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=12715 selected_horizon=12715 endpoint_lower_bound=9712 lower_bound_gap=3003 selected_kind="reused" neighborhood_improvements=0
2026-09-07T12:15:58.939917Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=52 row_words=1099 horizon=12715
2026-09-07T12:15:58.977261Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T12:15:58.978131Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=9736 success=true
2026-09-07T12:16:00.061349Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=1083 success=true
2026-09-07T12:16:00.066618Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: costed final placed program final_cycles=239831 final_exchange=68240
2026-09-07T12:16:00.728689Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=27 success=true
2026-09-07T12:16:00.758425Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=29 success=true
2026-09-07T12:16:00.980849Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=211 success=true
2026-09-07T12:16:01.130983Z  INFO writing application package tiles=1472
2026-09-07T12:16:01.240682Z  INFO application package written
2026-09-07T12:16:01.243449Z  INFO reading application package
2026-09-07T12:16:01.499739Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T12:16:01.503349Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T12:16:01.503364Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T12:16:01.503369Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T12:16:01.503398Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T12:16:01.503403Z  INFO initializing IPU device
2026-09-07T12:16:01.511386Z  INFO IPU device initialized
2026-09-07T12:16:01.511417Z  INFO replaying device configuration register_writes=2003
2026-09-07T12:16:01.526485Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T12:16:01.860227Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T12:16:09.971531Z  INFO starting host exchange session startup_mark=23
2026-09-07T12:16:09.971571Z  INFO attaching host exchange pages pages=2
2026-09-07T12:16:09.972265Z  INFO host exchange session started
2026-09-07T12:16:09.972703Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=132
2026-09-07T12:16:10.050363Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
profile=artifacts/softmax-upgrade/arithmetic-attention/execution.ipuprofile tiles=1472 samples=52746
attentionNumericalChecks=839808 blocks=1 expected=0.999756 maxError=0.000930 numericalTest=PASS
package=artifacts/softmax-upgrade/arithmetic-attention/model.ipuexe tiles=1472 hardwareTest=PASS