2026-09-07T14:58:27.677921Z  INFO retained operator-plan finalist finalist=0 values=9 operations=6 estimated_cycles=200214 estimated_exchange_cycles=84120 exchange_row_bytes=18272 peak_standard_bytes=189792 peak_interleaved_bytes=79360 peak_total_bytes=217440 maximum_standard_allocation_bytes=105984 active_tile_counts={1440, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:58:27.681582Z  INFO retained operator-plan finalist finalist=1 values=9 operations=6 estimated_cycles=204254 estimated_exchange_cycles=93560 exchange_row_bytes=20396 peak_standard_bytes=109228 peak_interleaved_bytes=79360 peak_total_bytes=143084 maximum_standard_allocation_bytes=56064 active_tile_counts={1440, 1470} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:58:27.684769Z  INFO retained operator-plan finalist finalist=2 values=9 operations=6 estimated_cycles=207714 estimated_exchange_cycles=92760 exchange_row_bytes=20216 peak_standard_bytes=140024 peak_interleaved_bytes=79360 peak_total_bytes=169208 maximum_standard_allocation_bytes=70656 active_tile_counts={1440, 1464} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:58:27.688306Z  INFO retained operator-plan finalist finalist=3 values=9 operations=6 estimated_cycles=210366 estimated_exchange_cycles=106200 exchange_row_bytes=23240 peak_standard_bytes=91336 peak_interleaved_bytes=93184 peak_total_bytes=164424 maximum_standard_allocation_bytes=57408 active_tile_counts={1440} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:58:27.777306Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=9638 success=true
2026-09-07T14:58:30.719423Z  INFO screened tile mappings by exchange resource load candidates=117 baseline_cycles=38496 candidate_cycles=38496 baseline_pressure=31154 candidate_pressure=31154
2026-09-07T14:58:30.735733Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=148920 estimated_cycles=175896 estimated_exchange_cycles=68472
2026-09-07T14:58:31.415590Z  INFO screened tile mappings by exchange resource load candidates=92 baseline_cycles=33000 candidate_cycles=33000 baseline_pressure=26982 candidate_pressure=26982
2026-09-07T14:58:31.426267Z  INFO screened tile mappings by exchange resource load candidates=96 baseline_cycles=39384 candidate_cycles=39384 baseline_pressure=36899 candidate_pressure=36899
2026-09-07T14:58:31.428047Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=150245 estimated_cycles=173117 estimated_exchange_cycles=58872
2026-09-07T14:58:31.443162Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=144568 estimated_cycles=180832 estimated_exchange_cycles=78648
2026-09-07T14:58:31.457112Z  INFO screened tile mappings by exchange resource load candidates=100 baseline_cycles=36064 candidate_cycles=36064 baseline_pressure=29267 candidate_pressure=29267
2026-09-07T14:58:31.478320Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=152920 estimated_cycles=179576 estimated_exchange_cycles=65720
2026-09-07T14:58:33.432593Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=2 candidates=4164 ordinary_horizon=8966 paired_horizon=6795 use_paired=true
2026-09-07T14:58:33.469903Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=4842 maximum_identical_destinations=1
2026-09-07T14:58:33.469950Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=6795 selected_horizon=6795 endpoint_lower_bound=5544 lower_bound_gap=1251 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T14:58:33.482412Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=1014 row_words=137 horizon=6795
2026-09-07T14:58:38.649978Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=57928 maximum_identical_destinations=1
2026-09-07T14:58:38.650050Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=17325 selected_horizon=17035 endpoint_lower_bound=13248 lower_bound_gap=3787 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-07T14:58:38.698420Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=1074 row_words=270 horizon=17035
2026-09-07T14:58:41.155326Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=74200 maximum_identical_destinations=1
2026-09-07T14:58:41.155406Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=18482 selected_horizon=18482 endpoint_lower_bound=13680 lower_bound_gap=4802 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T14:58:41.227490Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=716 row_words=406 horizon=18482
2026-09-07T14:58:41.274101Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=3 mapped=false analytical_cycles=180832 analytical_exchange_cycles=78648 scheduled_exchange_cycles=52505 refined_cycles=154689
2026-09-07T14:58:41.407659Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=3 mapped=false
2026-09-07T14:58:41.407699Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=13630 success=true
2026-09-07T14:58:41.407713Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=29268 exchange_phases=5
2026-09-07T14:58:41.408003Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-07T14:58:41.410965Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=2 success=true
2026-09-07T14:58:41.411659Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=0 success=true
2026-09-07T14:58:41.412421Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-07T14:58:41.725689Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=11 success=true
2026-09-07T14:58:41.725797Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=318468 profile_bytes=96 exchange_table_bytes=3052 host_code_bytes=1120 generated_code_bytes=1088 code_address=319656 standard_ranges=[(409600, 524288)]
2026-09-07T14:58:41.773466Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=47 success=true
2026-09-07T14:58:41.779042Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-07T14:58:42.350688Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T14:58:42.381687Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=57928 maximum_identical_destinations=1
2026-09-07T14:58:42.381738Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=17035 selected_horizon=17035 endpoint_lower_bound=13248 lower_bound_gap=3787 selected_kind="reused" neighborhood_improvements=0
2026-09-07T14:58:42.426628Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=1074 row_words=270 horizon=17035
2026-09-07T14:58:42.580015Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-07T14:58:42.589907Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=4842 maximum_identical_destinations=1
2026-09-07T14:58:42.589944Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=6795 selected_horizon=6795 endpoint_lower_bound=5544 lower_bound_gap=1251 selected_kind="reused" neighborhood_improvements=0
2026-09-07T14:58:42.600640Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=1014 row_words=137 horizon=6795
2026-09-07T14:58:44.808960Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T14:58:44.850826Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=74200 maximum_identical_destinations=1
2026-09-07T14:58:44.850885Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=18482 selected_horizon=18482 endpoint_lower_bound=13680 lower_bound_gap=4802 selected_kind="reused" neighborhood_improvements=0
2026-09-07T14:58:44.919756Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=716 row_words=406 horizon=18482
2026-09-07T14:58:44.959340Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T14:58:44.961124Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=3187 success=true
2026-09-07T14:58:45.327706Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=366 success=true
2026-09-07T14:58:45.332171Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: costed final placed program final_cycles=154689 final_exchange=52505
2026-09-07T14:58:45.492254Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=15 success=true
2026-09-07T14:58:45.507151Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=14 success=true
2026-09-07T14:58:45.626143Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=112 success=true
2026-09-07T14:58:45.697577Z  INFO writing application package tiles=1472
2026-09-07T14:58:45.746707Z  INFO application package written
2026-09-07T14:58:45.747741Z  INFO reading application package
2026-09-07T14:58:45.861953Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T14:58:45.863965Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T14:58:45.863982Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T14:58:45.863989Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T14:58:45.864031Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T14:58:45.864036Z  INFO initializing IPU device
2026-09-07T14:58:45.872461Z  INFO IPU device initialized
2026-09-07T14:58:45.872483Z  INFO replaying device configuration register_writes=2003
2026-09-07T14:58:45.880487Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T14:58:46.127061Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T14:58:48.467343Z  INFO starting host exchange session startup_mark=23
2026-09-07T14:58:48.467405Z  INFO attaching host exchange pages pages=2
2026-09-07T14:58:48.468124Z  INFO host exchange session started
2026-09-07T14:58:48.468151Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=8
2026-09-07T14:58:48.471871Z  INFO invoking streaming host exchange call call="run" command=0 phases=25
profile=artifacts/fp8-fast/mlp/profile-final.ipuprof tiles=1472 samples=23324
referenceMaximumAbsoluteError=0.026241 numericalTest=PASS
package=artifacts/fp8-fast/mlp/model-final.ipuexe tiles=1472 hardwareTest=PASS