2026-09-07T14:54:49.492576Z  INFO retained operator-plan finalist finalist=0 values=9 operations=6 estimated_cycles=247014 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))]
2026-09-07T14:54:49.496162Z  INFO retained operator-plan finalist finalist=1 values=9 operations=6 estimated_cycles=251306 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))]
2026-09-07T14:54:49.499355Z  INFO retained operator-plan finalist finalist=2 values=9 operations=6 estimated_cycles=252238 estimated_exchange_cycles=112600 exchange_row_bytes=24680 peak_standard_bytes=92776 peak_interleaved_bytes=110080 peak_total_bytes=161768 maximum_standard_allocation_bytes=55936 active_tile_counts={1440, 1458} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:54:49.501885Z  INFO retained operator-plan finalist finalist=3 values=9 operations=6 estimated_cycles=252486 estimated_exchange_cycles=102840 exchange_row_bytes=22484 peak_standard_bytes=90580 peak_interleaved_bytes=79360 peak_total_bytes=145172 maximum_standard_allocation_bytes=55936 active_tile_counts={1440} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T14:54:49.586667Z  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=9618 success=true
2026-09-07T14:54:53.035960Z  INFO screened tile mappings by exchange resource load candidates=96 baseline_cycles=39384 candidate_cycles=39384 baseline_pressure=36899 candidate_pressure=36899
2026-09-07T14:54:53.054999Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=181216 estimated_cycles=217480 estimated_exchange_cycles=78648
2026-09-07T14:54:53.554830Z  INFO screened tile mappings by exchange resource load candidates=117 baseline_cycles=38496 candidate_cycles=38496 baseline_pressure=31154 candidate_pressure=31154
2026-09-07T14:54:53.568370Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=195972 estimated_cycles=222948 estimated_exchange_cycles=68472
2026-09-07T14:54:53.821495Z  INFO screened tile mappings by exchange resource load candidates=104 baseline_cycles=46464 candidate_cycles=46464 baseline_pressure=38020 candidate_pressure=38020
2026-09-07T14:54:53.833947Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=183204 estimated_cycles=214020 estimated_exchange_cycles=80280
2026-09-07T14:54:54.484662Z  INFO screened tile mappings by exchange resource load candidates=102 baseline_cycles=42960 candidate_cycles=42960 baseline_pressure=34154 candidate_pressure=34154
2026-09-07T14:54:54.496592Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=190130 estimated_cycles=216482 estimated_exchange_cycles=72312
2026-09-07T14:54:56.455013Z  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
2026-09-07T14:54:56.496860Z  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
2026-09-07T14:54:56.496916Z  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
2026-09-07T14:54:56.510812Z  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
2026-09-07T14:55:01.981157Z  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
2026-09-07T14:55:01.981256Z  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
2026-09-07T14:55:02.037124Z  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
2026-09-07T14:55:04.020042Z  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
2026-09-07T14:55:04.020140Z  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
2026-09-07T14:55:04.092986Z  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
2026-09-07T14:55:04.165233Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=217480 analytical_exchange_cycles=78648 scheduled_exchange_cycles=52505 refined_cycles=191337
2026-09-07T14:55:04.360267Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=false
2026-09-07T14:55:04.360331Z  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=14773 success=true
2026-09-07T14:55:04.360352Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=29268 exchange_phases=5
2026-09-07T14:55:04.360722Z  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
2026-09-07T14:55:04.362957Z  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
2026-09-07T14:55:04.363710Z  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
2026-09-07T14:55:04.364463Z  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
2026-09-07T14:55:04.705449Z  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=8 success=true
2026-09-07T14:55:04.705522Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=318380 profile_bytes=96 exchange_table_bytes=3052 host_code_bytes=1120 generated_code_bytes=1088 code_address=319568 standard_ranges=[(409600, 524288)]
2026-09-07T14:55:04.754728Z  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=49 success=true
2026-09-07T14:55:04.760272Z  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
2026-09-07T14:55:05.332345Z  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
2026-09-07T14:55:05.361814Z  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
2026-09-07T14:55:05.361848Z  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
2026-09-07T14:55:05.407069Z  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
2026-09-07T14:55:05.551666Z  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
2026-09-07T14:55:05.562581Z  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
2026-09-07T14:55:05.562633Z  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
2026-09-07T14:55:05.578017Z  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
2026-09-07T14:55:07.686128Z  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
2026-09-07T14:55:07.735323Z  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
2026-09-07T14:55:07.735372Z  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
2026-09-07T14:55:07.805840Z  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
2026-09-07T14:55:07.848964Z  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
2026-09-07T14:55:07.851647Z  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=3096 success=true
2026-09-07T14:55:08.246733Z  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=394 success=true
2026-09-07T14:55:08.253610Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: costed final placed program final_cycles=191337 final_exchange=52505
2026-09-07T14:55:08.418694Z  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=11 success=true
2026-09-07T14:55:08.433767Z  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
2026-09-07T14:55:08.558147Z  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=117 success=true
2026-09-07T14:55:08.640665Z  INFO writing application package tiles=1472
2026-09-07T14:55:08.693155Z  INFO application package written
2026-09-07T14:55:08.695011Z  INFO reading application package
2026-09-07T14:55:08.810816Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T14:55:08.812705Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T14:55:08.812730Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T14:55:08.812738Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T14:55:08.812780Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T14:55:08.812784Z  INFO initializing IPU device
2026-09-07T14:55:08.821065Z  INFO IPU device initialized
2026-09-07T14:55:08.821129Z  INFO replaying device configuration register_writes=2003
2026-09-07T14:55:08.828402Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T14:55:09.065938Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T14:55:11.503091Z  INFO starting host exchange session startup_mark=23
2026-09-07T14:55:11.503177Z  INFO attaching host exchange pages pages=2
2026-09-07T14:55:11.504301Z  INFO host exchange session started
2026-09-07T14:55:11.504349Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=8
2026-09-07T14:55:11.507721Z  INFO invoking streaming host exchange call call="run" command=0 phases=25
profile=artifacts/fp8-fast/mlp/profile-repeat.ipuprof tiles=1472 samples=23324
referenceMaximumAbsoluteError=0.026241 numericalTest=PASS
package=artifacts/fp8-fast/mlp/model-repeat.ipuexe tiles=1472 hardwareTest=PASS