2026-09-07T15:01:59.936224Z  INFO retained operator-plan finalist finalist=0 values=20 operations=2 estimated_cycles=523195 estimated_exchange_cycles=161000 exchange_row_bytes=15876 peak_standard_bytes=114116 peak_interleaved_bytes=41984 peak_total_bytes=141444 maximum_standard_allocation_bytes=24576 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-07T15:01:59.936347Z  INFO retained operator-plan finalist finalist=1 values=20 operations=2 estimated_cycles=634395 estimated_exchange_cycles=220600 exchange_row_bytes=23836 peak_standard_bytes=141916 peak_interleaved_bytes=41984 peak_total_bytes=169244 maximum_standard_allocation_bytes=24576 active_tile_counts={48} padding_group_counts={} conversion_sources=[]
2026-09-07T15:01:59.936397Z  INFO retained operator-plan finalist finalist=2 values=20 operations=2 estimated_cycles=662010 estimated_exchange_cycles=220600 exchange_row_bytes=23836 peak_standard_bytes=141916 peak_interleaved_bytes=41984 peak_total_bytes=169244 maximum_standard_allocation_bytes=24576 active_tile_counts={48} padding_group_counts={} conversion_sources=[]
2026-09-07T15:02:01.817552Z  INFO retained operator-plan finalist finalist=0 values=20 operations=2 estimated_cycles=523195 estimated_exchange_cycles=161000 exchange_row_bytes=15876 peak_standard_bytes=114116 peak_interleaved_bytes=41984 peak_total_bytes=141444 maximum_standard_allocation_bytes=24576 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-07T15:02:01.817683Z  INFO retained operator-plan finalist finalist=1 values=20 operations=2 estimated_cycles=634395 estimated_exchange_cycles=220600 exchange_row_bytes=23836 peak_standard_bytes=141916 peak_interleaved_bytes=41984 peak_total_bytes=169244 maximum_standard_allocation_bytes=24576 active_tile_counts={48} padding_group_counts={} conversion_sources=[]
2026-09-07T15:02:01.817755Z  INFO retained operator-plan finalist finalist=2 values=20 operations=2 estimated_cycles=662010 estimated_exchange_cycles=220600 exchange_row_bytes=23836 peak_standard_bytes=141916 peak_interleaved_bytes=41984 peak_total_bytes=169244 maximum_standard_allocation_bytes=24576 active_tile_counts={48} padding_group_counts={} conversion_sources=[]
2026-09-07T15:02:01.825318Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=3873 success=true
2026-09-07T15:02:05.647356Z  INFO screened tile mappings by exchange resource load candidates=93 baseline_cycles=75888 candidate_cycles=71088 baseline_pressure=44058 candidate_pressure=43232
2026-09-07T15:02:05.655883Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=553236 estimated_cycles=1617756 estimated_exchange_cycles=1149408
2026-09-07T15:02:05.748619Z  INFO screened tile mappings by exchange resource load candidates=85 baseline_cycles=54144 candidate_cycles=49344 baseline_pressure=32873 candidate_pressure=32047
2026-09-07T15:02:05.757278Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=412607 estimated_cycles=1113511 estimated_exchange_cycles=762848
2026-09-07T15:02:05.757496Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=2 error=tile scheduling failed: operator plan is incompatible with its values or block dimensions
2026-09-07T15:02:05.974083Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:05.974143Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=990 selected_horizon=990 endpoint_lower_bound=864 lower_bound_gap=126 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:05.975152Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=245 row_words=11 horizon=990
2026-09-07T15:02:05.978968Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=1708 maximum_identical_destinations=1
2026-09-07T15:02:05.979020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=1192 selected_horizon=1192 endpoint_lower_bound=432 lower_bound_gap=760 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:05.980340Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=997 row_words=21 horizon=1192
2026-09-07T15:02:05.983797Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=1708 maximum_identical_destinations=1
2026-09-07T15:02:05.983848Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=1189 selected_horizon=1189 endpoint_lower_bound=432 lower_bound_gap=757 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:05.985112Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=721 row_words=21 horizon=1189
2026-09-07T15:02:06.032084Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=2914 maximum_identical_destinations=1
2026-09-07T15:02:06.032133Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=691 selected_horizon=691 endpoint_lower_bound=288 lower_bound_gap=403 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:06.034494Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=572 row_words=22 horizon=691
2026-09-07T15:02:06.062649Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:06.062702Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=997 selected_horizon=997 endpoint_lower_bound=864 lower_bound_gap=133 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:06.063825Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=516 row_words=11 horizon=997
2026-09-07T15:02:06.146852Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=2 candidates=1446 ordinary_horizon=2447 paired_horizon=1444 use_paired=true
2026-09-07T15:02:06.153773Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:06.153804Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=1444 selected_horizon=1444 endpoint_lower_bound=960 lower_bound_gap=484 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:06.157117Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=365 row_words=38 horizon=1444
2026-09-07T15:02:06.175435Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=2 candidates=432 ordinary_horizon=2422 paired_horizon=2422 use_paired=false
2026-09-07T15:02:06.181924Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:06.181952Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=2422 selected_horizon=2422 endpoint_lower_bound=960 lower_bound_gap=1462 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:06.184711Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=977 row_words=27 horizon=2422
2026-09-07T15:02:07.743707Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=26002 maximum_identical_destinations=1
2026-09-07T15:02:07.743774Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=1195 selected_horizon=1195 endpoint_lower_bound=288 lower_bound_gap=907 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:07.753838Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=1020 row_words=112 horizon=1195
2026-09-07T15:02:12.409328Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=59092 maximum_identical_destinations=1
2026-09-07T15:02:12.409431Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=2947 selected_horizon=2947 endpoint_lower_bound=1104 lower_bound_gap=1843 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:12.445560Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=607 row_words=237 horizon=2947
2026-09-07T15:02:12.986687Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=65392 maximum_identical_destinations=1
2026-09-07T15:02:12.986761Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=2597 selected_horizon=2597 endpoint_lower_bound=736 lower_bound_gap=1861 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:13.026432Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=1099 row_words=302 horizon=2597
2026-09-07T15:02:13.047394Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=65392 maximum_identical_destinations=1
2026-09-07T15:02:13.047444Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=2502 selected_horizon=2502 endpoint_lower_bound=736 lower_bound_gap=1766 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:13.076506Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=1097 row_words=290 horizon=2502
2026-09-07T15:02:16.834097Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=12532 maximum_identical_destinations=1
2026-09-07T15:02:16.834178Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=3323 selected_horizon=3323 endpoint_lower_bound=2808 lower_bound_gap=515 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:16.893457Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=97 row_words=510 horizon=3323
2026-09-07T15:02:16.931492Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=12532 maximum_identical_destinations=1
2026-09-07T15:02:16.931582Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=5845 selected_horizon=5845 endpoint_lower_bound=2808 lower_bound_gap=3037 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:16.992136Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=868 row_words=542 horizon=5845
2026-09-07T15:02:22.343354Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=48781 maximum_identical_destinations=1
2026-09-07T15:02:22.343422Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=9959 selected_horizon=9959 endpoint_lower_bound=6416 lower_bound_gap=3543 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:22.372059Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=7 row_words=4049 horizon=9959
2026-09-07T15:02:23.209831Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=48781 maximum_identical_destinations=1
2026-09-07T15:02:23.209894Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=7835 selected_horizon=7835 endpoint_lower_bound=6416 lower_bound_gap=1419 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:23.228545Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=28 row_words=3595 horizon=7835
2026-09-07T15:02:38.135687Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=9 candidates=116 ordinary_horizon=9565 paired_horizon=7406 use_paired=true
2026-09-07T15:02:38.252661Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=71552 maximum_identical_destinations=1
2026-09-07T15:02:38.252701Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=7406 selected_horizon=7406 endpoint_lower_bound=4224 lower_bound_gap=3182 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:38.291068Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=983 row_words=553 horizon=7406
2026-09-07T15:02:38.325934Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=true analytical_cycles=1113511 analytical_exchange_cycles=762848 scheduled_exchange_cycles=89937 refined_cycles=440600
2026-09-07T15:02:38.454036Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=2914 maximum_identical_destinations=1
2026-09-07T15:02:38.454076Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=743 selected_horizon=743 endpoint_lower_bound=288 lower_bound_gap=455 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:38.456152Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=530 row_words=22 horizon=743
2026-09-07T15:02:39.317377Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=26002 maximum_identical_destinations=1
2026-09-07T15:02:39.317411Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=1181 selected_horizon=1181 endpoint_lower_bound=288 lower_bound_gap=893 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:39.323086Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=109 row_words=111 horizon=1181
2026-09-07T15:02:42.887621Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=59092 maximum_identical_destinations=1
2026-09-07T15:02:42.887656Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=2891 selected_horizon=2891 endpoint_lower_bound=1104 lower_bound_gap=1787 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:42.908657Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=917 row_words=230 horizon=2891
2026-09-07T15:02:51.888270Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=9 transfers=71552 maximum_identical_destinations=1
2026-09-07T15:02:51.888314Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=9 initial_horizon=9563 selected_horizon=9563 endpoint_lower_bound=6912 lower_bound_gap=2651 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:51.950598Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=9 tile=965 row_words=559 horizon=9563
2026-09-07T15:02:52.000441Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=1113511 analytical_exchange_cycles=762848 scheduled_exchange_cycles=91201 refined_cycles=441864
2026-09-07T15:02:52.149815Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=true
2026-09-07T15:02:52.149852Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=50324 success=true
2026-09-07T15:02:52.149864Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}: lowered graph for package construction logical_shards=53630 exchange_phases=11
2026-09-07T15:02:52.150102Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-07T15:02:52.152437Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=2 success=true
2026-09-07T15:02:52.152661Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/gemm_f16_amp.S name="gemm_f8_k160_c144_r4_r6" target=ipu21
2026-09-07T15:02:52.203731Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/d3306728271e7775dd592cc318857e81f1f61c02dfc1440b78da18d2cf9b34d0/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/d3306728271e7775dd592cc318857e81f1f61c02dfc1440b78da18d2cf9b34d0/kernel.json
2026-09-07T15:02:52.205073Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/cast_f8.cpp name="cast_f32_f8_codelet" target=ipu21
2026-09-07T15:02:52.509100Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/57235cf80fd2e3ec8cd5ef081e594f599c6bfd968a2d4f669f86e24f09e4863a/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/57235cf80fd2e3ec8cd5ef081e594f599c6bfd968a2d4f669f86e24f09e4863a/kernel.json
2026-09-07T15:02:52.509667Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/worker_call.S name="cast_f32_f8_wrapper" target=ipu21
2026-09-07T15:02:52.558189Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/48924c3a3d29285121ee2c098cf76363667951b28597fbdb8825cb1c944ea680/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/48924c3a3d29285121ee2c098cf76363667951b28597fbdb8825cb1c944ea680/kernel.json
2026-09-07T15:02:52.559237Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=406 success=true
2026-09-07T15:02:52.561705Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-07T15:02:52.720697Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=9 success=true
2026-09-07T15:02:52.720734Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}: allocated package support memory linked_end=325268 profile_bytes=48 exchange_table_bytes=19884 host_code_bytes=1088 generated_code_bytes=2092 code_address=425984 standard_ranges=[(442368, 524288)]
2026-09-07T15:02:52.788381Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=67 success=true
2026-09-07T15:02:52.800537Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T15:02:52.802493Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:52.802505Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=997 selected_horizon=997 endpoint_lower_bound=864 lower_bound_gap=133 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:52.803568Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=516 row_words=11 horizon=997
2026-09-07T15:02:52.817916Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-07T15:02:52.818570Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=1708 maximum_identical_destinations=1
2026-09-07T15:02:52.818584Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=1192 selected_horizon=1192 endpoint_lower_bound=432 lower_bound_gap=760 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:52.819558Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=997 row_words=21 horizon=1192
2026-09-07T15:02:52.924929Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=2 candidates=432 ordinary_horizon=2475 paired_horizon=2463 use_paired=true
2026-09-07T15:02:52.929846Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=1458 maximum_identical_destinations=1
2026-09-07T15:02:52.929865Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=2463 selected_horizon=2463 endpoint_lower_bound=960 lower_bound_gap=1503 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T15:02:52.931621Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=1427 row_words=32 horizon=2463
2026-09-07T15:02:53.237942Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T15:02:53.245710Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=26002 maximum_identical_destinations=1
2026-09-07T15:02:53.245729Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=1195 selected_horizon=1195 endpoint_lower_bound=288 lower_bound_gap=907 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:53.251945Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=1020 row_words=112 horizon=1195
2026-09-07T15:02:54.856083Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-07T15:02:54.881477Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=59092 maximum_identical_destinations=1
2026-09-07T15:02:54.881502Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=2947 selected_horizon=2947 endpoint_lower_bound=1104 lower_bound_gap=1843 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:54.916942Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=607 row_words=237 horizon=2947
2026-09-07T15:02:55.063018Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-07T15:02:55.097755Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=65392 maximum_identical_destinations=1
2026-09-07T15:02:55.097786Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=2597 selected_horizon=2597 endpoint_lower_bound=736 lower_bound_gap=1861 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:55.133537Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=1099 row_words=302 horizon=2597
2026-09-07T15:02:57.704834Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-07T15:02:57.726623Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=48781 maximum_identical_destinations=1
2026-09-07T15:02:57.726647Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=7835 selected_horizon=7835 endpoint_lower_bound=6416 lower_bound_gap=1419 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:57.757260Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=28 row_words=3595 horizon=7835
2026-09-07T15:02:59.714100Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-07T15:02:59.764948Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=71552 maximum_identical_destinations=1
2026-09-07T15:02:59.764973Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=7406 selected_horizon=7406 endpoint_lower_bound=4224 lower_bound_gap=3182 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:02:59.823415Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=983 row_words=553 horizon=7406
2026-09-07T15:02:59.867608Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-07T15:03:00.721625Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-07T15:03:00.786083Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=12532 maximum_identical_destinations=1
2026-09-07T15:03:00.786119Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=5845 selected_horizon=5845 endpoint_lower_bound=2808 lower_bound_gap=3037 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:03:00.837008Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=868 row_words=542 horizon=5845
2026-09-07T15:03:00.925166Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T15:03:00.926653Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=2914 maximum_identical_destinations=1
2026-09-07T15:03:00.926672Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=691 selected_horizon=691 endpoint_lower_bound=288 lower_bound_gap=403 selected_kind="reused" neighborhood_improvements=0
2026-09-07T15:03:00.928895Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=572 row_words=22 horizon=691
2026-09-07T15:03:00.930738Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=8142 success=true
2026-09-07T15:03:02.015709Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=1084 success=true
2026-09-07T15:03:02.018572Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}: costed final placed program final_cycles=440682 final_exchange=90019
2026-09-07T15:03:02.111651Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=17 success=true
2026-09-07T15:03:02.131542Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=19 success=true
2026-09-07T15:03:02.335940Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=193 success=true
2026-09-07T15:03:02.403249Z  INFO writing application package tiles=1472
2026-09-07T15:03:02.424197Z  INFO application package written
2026-09-07T15:03:02.424243Z  INFO reading application package
2026-09-07T15:03:02.453904Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T15:03:02.453961Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T15:03:02.453971Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T15:03:02.453976Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T15:03:02.454008Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T15:03:02.454013Z  INFO initializing IPU device
2026-09-07T15:03:02.462149Z  INFO IPU device initialized
2026-09-07T15:03:02.462159Z  INFO replaying device configuration register_writes=2003
2026-09-07T15:03:02.467549Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T15:03:02.665150Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T15:03:03.643366Z  INFO starting host exchange session startup_mark=23
2026-09-07T15:03:03.643410Z  INFO attaching host exchange pages pages=2
2026-09-07T15:03:03.644050Z  INFO host exchange session started
2026-09-07T15:03:03.644056Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=24
2026-09-07T15:03:03.647765Z  INFO invoking streaming host exchange call call="run" command=0 phases=9
referenceMaximumAbsoluteError=0.000170 numericalTest=PASS
package=artifacts/fp8-fast/attention-repeat/model.ipuexe tiles=1472 hardwareTest=PASS