2026-09-06T13:43:34.013421Z  INFO retained operator-plan finalist finalist=0 values=11 operations=7 estimated_cycles=591004 estimated_exchange_cycles=217560 exchange_row_bytes=44628 peak_standard_bytes=351828 peak_interleaved_bytes=52480 peak_total_bytes=396884 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[]
2026-09-06T13:43:34.033502Z  INFO retained operator-plan finalist finalist=1 values=11 operations=7 estimated_cycles=591004 estimated_exchange_cycles=217560 exchange_row_bytes=44628 peak_standard_bytes=339540 peak_interleaved_bytes=61056 peak_total_bytes=396884 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[]
2026-09-06T13:43:34.053457Z  INFO retained operator-plan finalist finalist=2 values=11 operations=7 estimated_cycles=592141 estimated_exchange_cycles=219000 exchange_row_bytes=44952 peak_standard_bytes=183448 peak_interleaved_bytes=52864 peak_total_bytes=220120 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 480, 1472} padding_group_counts={16} conversion_sources=[]
2026-09-06T13:43:34.056965Z  INFO retained operator-plan finalist finalist=3 values=11 operations=7 estimated_cycles=596506 estimated_exchange_cycles=225240 exchange_row_bytes=46356 peak_standard_bytes=350484 peak_interleaved_bytes=51200 peak_total_bytes=392468 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 368, 1472} padding_group_counts={} conversion_sources=[]
2026-09-06T13:43:34.165892Z  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=2192 success=true
2026-09-06T13:44:05.176106Z  INFO screened tile mappings by exchange resource load candidates=123 baseline_cycles=82368 candidate_cycles=82368 baseline_pressure=77046 candidate_pressure=77046
2026-09-06T13:44:05.385648Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=807949 estimated_cycles=1244341 estimated_exchange_cycles=531360
2026-09-06T13:44:05.386340Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=0 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T13:44:05.386451Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=1 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T13:44:05.386466Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=3 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T13:44:06.348757Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:44:06.348842Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=4463 selected_horizon=4463 endpoint_lower_bound=3072 lower_bound_gap=1391 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:44:06.362676Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=148 row_words=173 horizon=4463
2026-09-06T13:46:11.172929Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:46:11.172981Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:46:11.309181Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:46:11.897106Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:46:11.897133Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=4482 selected_horizon=4482 endpoint_lower_bound=3072 lower_bound_gap=1410 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:46:11.905535Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=355 row_words=201 horizon=4482
2026-09-06T13:47:16.647097Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:47:16.647135Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:47:16.730064Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:47:17.297877Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:47:17.297903Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=4444 selected_horizon=4444 endpoint_lower_bound=3072 lower_bound_gap=1372 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:47:17.306334Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=656 row_words=205 horizon=4444
2026-09-06T13:49:03.708055Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:49:03.708133Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:49:03.850569Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:49:05.107588Z  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=17772 maximum_identical_destinations=1
2026-09-06T13:49:05.107642Z  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=1196 selected_horizon=1196 endpoint_lower_bound=976 lower_bound_gap=220 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:49:05.126533Z  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=69 row_words=196 horizon=1196
2026-09-06T13:49:06.506675Z  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=12696 maximum_identical_destinations=1
2026-09-06T13:49:06.506729Z  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=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:49:06.521670Z  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=239 row_words=359 horizon=1412
2026-09-06T13:49:07.809846Z  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=12680 maximum_identical_destinations=1
2026-09-06T13:49:07.809900Z  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=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:49:07.824721Z  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=239 row_words=356 horizon=1412
2026-09-06T13:49:10.435748Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=2 mapped=false analytical_cycles=1244341 analytical_exchange_cycles=531360 scheduled_exchange_cycles=106933 refined_cycles=819914
2026-09-06T13:49:10.513991Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=2 mapped=false
2026-09-06T13:49:10.514019Z  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=336348 success=true
2026-09-06T13:49:10.514056Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: lowered graph for package construction logical_shards=132944 exchange_phases=21
2026-09-06T13:49:10.516587Z  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=2 success=true
2026-09-06T13:49:10.530790Z  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=14 success=true
2026-09-06T13:49:10.533366Z  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/gemm_f16_amp.S name="gemm_f16_k384_c16_r122_r122" target=ipu21
2026-09-06T13:49:10.596857Z  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/6c495311917df74e3170b144cd42ef7716f7fe8c158357fb84ae633b3f400238/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/6c495311917df74e3170b144cd42ef7716f7fe8c158357fb84ae633b3f400238/kernel.json
2026-09-06T13:49:10.597307Z  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/gemm_f16_amp.S name="gemm_f16_interleaved_k384_c16_r120_r122" target=ipu21
2026-09-06T13:49:10.651120Z  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/bc41d5edc9505821aa3454a61293ff5422822cabcb5f523cbc4b98926203bf6b/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/bc41d5edc9505821aa3454a61293ff5422822cabcb5f523cbc4b98926203bf6b/kernel.json
2026-09-06T13:49:10.651975Z  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=121 success=true
2026-09-06T13:49:10.655086Z  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
2026-09-06T13:49:11.251122Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="plan_exchange_storage"}: package build phase finished phase="plan_exchange_storage" elapsed_ms=596 success=true
2026-09-06T13:49:12.328761Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=0 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:49:12.328811Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=0 initial_horizon=4463 selected_horizon=4463 endpoint_lower_bound=3072 lower_bound_gap=1391 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:49:12.343364Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=0 tile=148 row_words=173 horizon=4463
2026-09-06T13:50:43.355376Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=1 transfers=175162 maximum_identical_destinations=1
2026-09-06T13:50:43.355426Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=1 initial_horizon=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:50:43.489384Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=1 tile=15 row_words=1347 horizon=4467
2026-09-06T13:50:44.515182Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=2 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:50:44.515229Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=2 initial_horizon=4482 selected_horizon=4482 endpoint_lower_bound=3072 lower_bound_gap=1410 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:50:44.529161Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=2 tile=355 row_words=201 horizon=4482
2026-09-06T13:52:04.292573Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=3 transfers=175162 maximum_identical_destinations=1
2026-09-06T13:52:04.292606Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=3 initial_horizon=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:52:04.370564Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=3 tile=15 row_words=1347 horizon=4467
2026-09-06T13:52:04.964552Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=4 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:52:04.964574Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=4 initial_horizon=4444 selected_horizon=4444 endpoint_lower_bound=3072 lower_bound_gap=1372 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:52:04.972906Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=4 tile=656 row_words=205 horizon=4444
2026-09-06T13:53:10.626441Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=5 transfers=175162 maximum_identical_destinations=1
2026-09-06T13:53:10.626474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=5 initial_horizon=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:53:10.707153Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=5 tile=15 row_words=1347 horizon=4467
2026-09-06T13:53:11.416985Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=6 transfers=17772 maximum_identical_destinations=1
2026-09-06T13:53:11.417012Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=6 initial_horizon=1196 selected_horizon=1196 endpoint_lower_bound=976 lower_bound_gap=220 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:53:11.427540Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=6 tile=69 row_words=196 horizon=1196
2026-09-06T13:53:12.213401Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=7 transfers=12696 maximum_identical_destinations=1
2026-09-06T13:53:12.213429Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=7 initial_horizon=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:53:12.221911Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=7 tile=239 row_words=359 horizon=1412
2026-09-06T13:53:13.011721Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=8 transfers=12680 maximum_identical_destinations=1
2026-09-06T13:53:13.011751Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=8 initial_horizon=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:53:13.020523Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=8 tile=239 row_words=356 horizon=1412
2026-09-06T13:53:13.083235Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=9
2026-09-06T13:53:13.153424Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=10
2026-09-06T13:53:13.228111Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=11
2026-09-06T13:53:13.332476Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=12
2026-09-06T13:53:13.444998Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=13
2026-09-06T13:53:13.557641Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=14
2026-09-06T13:53:13.667611Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=15
2026-09-06T13:53:13.782276Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=16
2026-09-06T13:53:13.898432Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=17
2026-09-06T13:53:14.020474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=18
2026-09-06T13:53:14.136652Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=19
2026-09-06T13:53:14.248861Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: reused exchange optimization after validating relocated rows phase=20
2026-09-06T13:53:14.266912Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: package build phase finished phase="lower_exchanges_provisional" elapsed_ms=243015 success=true
2026-09-06T13:53:14.989079Z  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=16 success=true
2026-09-06T13:53:14.989116Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: allocated package support memory linked_end=325076 profile_bytes=352 exchange_table_bytes=14968 host_code_bytes=2016 generated_code_bytes=21232 code_address=409600 standard_ranges=[(442368, 524288)]
2026-09-06T13:53:15.543245Z  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=554 success=true
2026-09-06T13:53:16.530486Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:53:16.530522Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=4463 selected_horizon=4463 endpoint_lower_bound=3072 lower_bound_gap=1391 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:53:16.544158Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=148 row_words=173 horizon=4463
2026-09-06T13:54:31.056847Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:54:31.056880Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:54:31.136292Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:54:32.131803Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:54:32.131838Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=4482 selected_horizon=4482 endpoint_lower_bound=3072 lower_bound_gap=1410 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:54:32.145562Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=355 row_words=201 horizon=4482
2026-09-06T13:55:57.200052Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:55:57.200083Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:55:57.277338Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:55:58.265579Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=5856 maximum_identical_destinations=1
2026-09-06T13:55:58.265613Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=4444 selected_horizon=4444 endpoint_lower_bound=3072 lower_bound_gap=1372 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:55:58.280091Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=656 row_words=205 horizon=4444
2026-09-06T13:57:29.343471Z  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=175162 maximum_identical_destinations=1
2026-09-06T13:57:29.343512Z  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=4467 selected_horizon=4467 endpoint_lower_bound=2928 lower_bound_gap=1539 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:57:29.433012Z  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=15 row_words=1347 horizon=4467
2026-09-06T13:57:30.335349Z  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=17772 maximum_identical_destinations=1
2026-09-06T13:57:30.335386Z  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=1196 selected_horizon=1196 endpoint_lower_bound=976 lower_bound_gap=220 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:57:30.355913Z  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=69 row_words=196 horizon=1196
2026-09-06T13:57:31.674180Z  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=12696 maximum_identical_destinations=1
2026-09-06T13:57:31.674230Z  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=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:57:31.688657Z  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=239 row_words=359 horizon=1412
2026-09-06T13:57:32.959198Z  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=12680 maximum_identical_destinations=1
2026-09-06T13:57:32.959245Z  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=1412 selected_horizon=1412 endpoint_lower_bound=976 lower_bound_gap=436 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T13:57:32.973579Z  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=239 row_words=356 horizon=1412
2026-09-06T13:57:36.760468Z  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=261217 success=true
2026-09-06T13:57:41.773309Z  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=5012 success=true
2026-09-06T13:57:41.805380Z  INFO ipu_codegen.package.build{tile_count=1472 operations=7}: costed final placed program final_cycles=822932 final_exchange=109951
2026-09-06T13:57:42.242445Z  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=71 success=true
2026-09-06T13:57:42.299086Z  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=56 success=true
2026-09-06T13:57:42.526313Z  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=189 success=true
2026-09-06T13:57:42.662944Z  INFO writing application package tiles=1472
2026-09-06T13:57:42.771908Z  INFO application package written
2026-09-06T13:57:42.772405Z  INFO reading application package
2026-09-06T13:57:43.116045Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T13:57:43.116705Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T13:57:43.116719Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T13:57:43.116724Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T13:57:43.116755Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T13:57:43.116758Z  INFO initializing IPU device
2026-09-06T13:57:43.124730Z  INFO IPU device initialized
2026-09-06T13:57:43.124736Z  INFO replaying device configuration register_writes=2003
2026-09-06T13:57:43.134814Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T13:57:43.359017Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T13:57:43.382568Z  INFO starting host exchange session startup_mark=23
2026-09-06T13:57:43.382583Z  INFO attaching host exchange pages pages=2
2026-09-06T13:57:43.383152Z  INFO host exchange session started
2026-09-06T13:57:43.383169Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=6
2026-09-06T13:57:43.386075Z  INFO invoking streaming host exchange call call="run" command=0 phases=53
profile=artifacts/layout-sweep/cleanup/projected-flash/execution.ipuprofile tiles=1472 samples=113654
attentionNumericalChecks=839808 expected=0.999756 maxError=0.001230 numericalTest=PASS
package=artifacts/layout-sweep/cleanup/projected-flash/model.ipuexe tiles=1472 hardwareTest=PASS