2026-09-07T18:10:58.506809Z  INFO retained operator-plan finalist finalist=0 values=19 operations=1 estimated_cycles=105867 estimated_exchange_cycles=42360 exchange_row_bytes=2260 peak_standard_bytes=21204 peak_interleaved_bytes=47104 peak_total_bytes=66132 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[]
2026-09-07T18:10:58.512789Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=426 success=true
2026-09-07T18:10:58.542599Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: screened tile mappings by exchange resource load candidates=11 baseline_cycles=11856 candidate_cycles=11856 baseline_pressure=10476 candidate_pressure=10476
2026-09-07T18:10:58.542846Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: modelled expanded operator plan finalist=0 modelled_cycles=65370 estimated_cycles=98010 estimated_exchange_cycles=55296
2026-09-07T18:10:58.592391Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=98010 analytical_exchange_cycles=55296 scheduled_exchange_cycles=26568 refined_cycles=69282
2026-09-07T18:10:58.593032Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=false
2026-09-07T18:10:58.593056Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=80 success=true
2026-09-07T18:10:58.593073Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: lowered graph for package construction logical_shards=1728 exchange_phases=6
2026-09-07T18:10:58.593648Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-07T18:10:58.593847Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-07T18:10:58.594429Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=0 success=true
2026-09-07T18:10:58.594586Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-07T18:10:58.625735Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-07T18:10:58.625789Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: allocated package support memory linked_end=316872 profile_bytes=108 exchange_table_bytes=1020 host_code_bytes=492 generated_code_bytes=1252 code_address=317432 standard_ranges=[(409600, 524288)]
2026-09-07T18:10:58.628009Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=2 success=true
2026-09-07T18:10:58.628989Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-07T18:10:58.629225Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-07T18:10:58.630278Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-07T18:10:58.632011Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-07T18:10:58.648612Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-07T18:10:58.660403Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-07T18:10:58.662047Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=34 success=true
2026-09-07T18:10:58.689407Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=27 success=true
2026-09-07T18:10:58.689576Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: costed final placed program final_cycles=69282 final_exchange=26568
2026-09-07T18:10:58.707481Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=4 success=true
2026-09-07T18:10:58.713297Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=5 success=true
2026-09-07T18:10:58.801321Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=86 success=true
2026-09-07T18:10:58.807951Z  INFO writing application package tiles=1472
2026-09-07T18:10:58.819819Z  INFO application package written
2026-09-07T18:10:58.820573Z  INFO reading application package
2026-09-07T18:10:58.841702Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-07T18:10:58.842316Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T18:10:58.842329Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-07T18:10:58.842335Z  INFO opening IPU device path="/dev/ipu0"
2026-09-07T18:10:58.842374Z  INFO IPU device attached path=/dev/ipu0
2026-09-07T18:10:58.842380Z  INFO initializing IPU device
2026-09-07T18:10:58.850245Z  INFO IPU device initialized
2026-09-07T18:10:58.850257Z  INFO replaying device configuration register_writes=2003
2026-09-07T18:10:58.854583Z  INFO loading application tile_count=1472 final_mark=23
2026-09-07T18:10:59.062606Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-07T18:10:59.160189Z  INFO starting host exchange session startup_mark=23
2026-09-07T18:10:59.160322Z  INFO attaching host exchange pages pages=2
2026-09-07T18:10:59.160973Z  INFO host exchange session started
2026-09-07T18:10:59.161004Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=6
2026-09-07T18:10:59.161894Z  INFO invoking streaming host exchange call call="run" command=0 phases=9
profile=artifacts/repeat-first/small/profile.ipuprof tiles=1472 samples=2848
referenceMaximumAbsoluteError=0.015625 numericalTest=PASS
package=artifacts/repeat-first/small/model.ipuexe tiles=1472 hardwareTest=PASS