2026-09-06T16:42:14.890989Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=105335 estimated_exchange_cycles=42920 exchange_row_bytes=8740 peak_standard_bytes=47652 peak_interleaved_bytes=32768 peak_total_bytes=78372 maximum_standard_allocation_bytes=16384 active_tile_counts={4, 64} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(0)), Some(OperationId(0))]
2026-09-06T16:42:14.891110Z  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=4 success=true
2026-09-06T16:42:14.925552Z  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=10 baseline_cycles=7424 candidate_cycles=7424 baseline_pressure=5852 candidate_pressure=5852
2026-09-06T16:42:14.925946Z  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=78842 estimated_cycles=102306 estimated_exchange_cycles=32688
2026-09-06T16:42:14.952581Z  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=102306 analytical_exchange_cycles=32688 scheduled_exchange_cycles=10969 refined_cycles=80587
2026-09-06T16:42:14.952661Z  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
2026-09-06T16:42:14.952667Z  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=61 success=true
2026-09-06T16:42:14.952676Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: lowered graph for package construction logical_shards=644 exchange_phases=3
2026-09-06T16:42:14.952865Z  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
2026-09-06T16:42:14.952942Z  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
2026-09-06T16:42:14.954078Z  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=1 success=true
2026-09-06T16:42:14.954256Z  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
2026-09-06T16:42:14.982374Z  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=4 success=true
2026-09-06T16:42:14.982422Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: allocated package support memory linked_end=320676 profile_bytes=76 exchange_table_bytes=824 host_code_bytes=464 generated_code_bytes=1500 code_address=321144 standard_ranges=[(409600, 524288)]
2026-09-06T16:42:14.985149Z  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
2026-09-06T16:42:14.988183Z  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
2026-09-06T16:42:14.993556Z  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
2026-09-06T16:42:14.995696Z  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
2026-09-06T16:42:14.995863Z  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=10 success=true
2026-09-06T16:42:15.013722Z  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=17 success=true
2026-09-06T16:42:15.013807Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: costed final placed program final_cycles=80587 final_exchange=10969
2026-09-06T16:42:15.028865Z  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=2 success=true
2026-09-06T16:42:15.034720Z  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
2026-09-06T16:42:15.165357Z  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=129 success=true
2026-09-06T16:42:15.171723Z  INFO writing application package tiles=1472
2026-09-06T16:42:15.186295Z  INFO application package written
2026-09-06T16:42:15.186854Z  INFO reading application package
2026-09-06T16:42:15.211578Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T16:42:15.212005Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T16:42:15.212014Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T16:42:15.212020Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T16:42:15.212055Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T16:42:15.212058Z  INFO initializing IPU device
2026-09-06T16:42:15.220229Z  INFO IPU device initialized
2026-09-06T16:42:15.220259Z  INFO replaying device configuration register_writes=2003
2026-09-06T16:42:15.224646Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T16:42:15.430282Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T16:42:15.439753Z  INFO starting host exchange session startup_mark=23
2026-09-06T16:42:15.439779Z  INFO attaching host exchange pages pages=2
2026-09-06T16:42:15.440482Z  INFO host exchange session started
2026-09-06T16:42:15.440506Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
attentionNumericalChecks=4896 maxError=0.004552 rmsError=0.000722 numericalTest=PASS
package=artifacts/layout-sweep/attention-row-smoke/model.ipuexe tiles=1472 hardwareTest=PASS