2026-09-13T18:50:25.972435Z  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
2026-09-13T18:50:25.978095Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: loaded mid-plan search state path=artifacts/mid-cast-order-20260913/qk-state.json attempts=0
2026-09-13T18:50:25.989748Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=8 expansion_and_footprint_ms=9 estimated_row_bytes=2240 heuristic_row_bytes=3276 geometry_fragments_per_tile=240 fragment_limit=16384
2026-09-13T18:50:25.989956Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=0
2026-09-13T18:50:25.998904Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: retrying exchange schedule with incremental instruction-alignment validation transfers=160
2026-09-13T18:50:26.003927Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=160 elapsed_ms=4 success=true
2026-09-13T18:50:26.005455Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: retrying exchange schedule with incremental instruction-alignment validation transfers=932
2026-09-13T18:50:26.014178Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=932 elapsed_ms=8 success=true
2026-09-13T18:50:26.022073Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-13T18:50:26.024292Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=2 success=true
2026-09-13T18:50:26.024507Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T18:50:26.026298Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=1468 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-13T18:50:26.052367Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.052392Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=321040 host_code_base=376832 host_code_bytes=660 generated_code_bytes=1348 exchange_table_bytes=1468 executable_ranges=[(377560, 524288)]
2026-09-13T18:50:26.052416Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=321040 profile_bytes=124 exchange_table_bytes=1468 host_code_bytes=660 host_data_bytes=472 generated_code_bytes=1348 code_address=377560 available_ranges=[(327680, 360448), (362680, 376832), (409600, 949168)]
2026-09-13T18:50:26.054320Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=1 success=true
2026-09-13T18:50:26.055769Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.056285Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.057419Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.058085Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.062402Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-13T18:50:26.069666Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-13T18:50:26.070934Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=16 success=true
2026-09-13T18:50:26.090975Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=19 success=true
2026-09-13T18:50:26.091060Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=23875 final_exchange=8046
2026-09-13T18:50:26.107003Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=3 success=true
2026-09-13T18:50:26.111650Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=4 success=true
2026-09-13T18:50:26.277600Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=165 success=true
2026-09-13T18:50:26.281487Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=23875 resuming=true
2026-09-13T18:50:26.285926Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/mid-cast-order-20260913/qk-search-state.json attempts=0 bytes=1223817
2026-09-13T18:50:26.289086Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: screened tile mappings by exchange resource load candidates=34 baseline_cycles=3636 candidate_cycles=3348 baseline_pressure=2153 candidate_pressure=1871
2026-09-13T18:50:26.297010Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=6 expansion_and_footprint_ms=7 estimated_row_bytes=2240 heuristic_row_bytes=3276 geometry_fragments_per_tile=240 fragment_limit=16384
2026-09-13T18:50:26.297248Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=0
2026-09-13T18:50:26.305658Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: retrying exchange schedule with incremental instruction-alignment validation transfers=160
2026-09-13T18:50:26.313576Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=160 elapsed_ms=7 success=true
2026-09-13T18:50:26.323851Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: retrying exchange schedule with incremental instruction-alignment validation transfers=160
2026-09-13T18:50:26.332123Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=160 elapsed_ms=8 success=true
2026-09-13T18:50:26.337426Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=1 candidates=32 ordinary_horizon=759 paired_horizon=592 use_paired=true
2026-09-13T18:50:26.339321Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-13T18:50:26.342244Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=2 success=true
2026-09-13T18:50:26.342707Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T18:50:26.345161Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=1460 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-13T18:50:26.372899Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.372934Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=321040 host_code_base=376832 host_code_bytes=660 generated_code_bytes=1348 exchange_table_bytes=1460 executable_ranges=[(377560, 524288)]
2026-09-13T18:50:26.372955Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=321040 profile_bytes=124 exchange_table_bytes=1460 host_code_bytes=660 host_data_bytes=472 generated_code_bytes=1348 code_address=377560 available_ranges=[(327680, 360448), (362680, 376832), (409600, 949168)]
2026-09-13T18:50:26.374671Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=1 success=true
2026-09-13T18:50:26.375944Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.376102Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.376595Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.377133Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.381027Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-13T18:50:26.383925Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-13T18:50:26.384573Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=9 success=true
2026-09-13T18:50:26.404828Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=20 success=true
2026-09-13T18:50:26.404915Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=23752 final_exchange=7923
2026-09-13T18:50:26.420136Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.424444Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=4 success=true
2026-09-13T18:50:26.606404Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=181 success=true
2026-09-13T18:50:26.612541Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: accepted tile mapping improvement before=23875 after=23752
2026-09-13T18:50:26.627234Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/mid-cast-order-20260913/qk-search-state.json attempts=1 bytes=1223995
2026-09-13T18:50:26.635306Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: evaluating ordered local candidates concurrently candidates=2 threads=16
2026-09-13T18:50:26.642857Z  INFO local_candidate{attempt=1}: screened exchange table geometry expansion_ms=6 expansion_and_footprint_ms=7 estimated_row_bytes=1472 heuristic_row_bytes=2696 geometry_fragments_per_tile=151 fragment_limit=16384
2026-09-13T18:50:26.643074Z  INFO local_candidate{attempt=1}: eliminated unread FP8 cast input padding clears removed=0
2026-09-13T18:50:26.645766Z  INFO local_candidate{attempt=1}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.646492Z  INFO local_candidate{attempt=1}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.647425Z  INFO local_candidate{attempt=2}: screened exchange table geometry expansion_ms=10 expansion_and_footprint_ms=12 estimated_row_bytes=2200 heuristic_row_bytes=3240 geometry_fragments_per_tile=236 fragment_limit=16384
2026-09-13T18:50:26.647485Z  INFO local_candidate{attempt=1}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.647738Z  INFO local_candidate{attempt=2}: eliminated unread FP8 cast input padding clears removed=0
2026-09-13T18:50:26.647946Z  INFO local_candidate{attempt=1}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.648266Z  INFO local_candidate{attempt=1}: compared ordinary and paired exchange schedules phase=1 candidates=24 ordinary_horizon=556 paired_horizon=652 use_paired=false
2026-09-13T18:50:26.650171Z  INFO local_candidate{attempt=2}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.650454Z  INFO local_candidate{attempt=2}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.651716Z  INFO local_candidate{attempt=2}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.653002Z  INFO local_candidate{attempt=2}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.655999Z  INFO local_candidate{attempt=2}: retrying exchange schedule with incremental instruction-alignment validation transfers=356
2026-09-13T18:50:26.659511Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-13T18:50:26.660766Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=1 success=true
2026-09-13T18:50:26.660966Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T18:50:26.662553Z  INFO local_candidate{attempt=1}: exchange table and repeat patch storage exchange_table_bytes=980 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-13T18:50:26.663404Z  INFO local_candidate{attempt=2}: finished incremental instruction-alignment validation transfers=356 elapsed_ms=7 success=true
2026-09-13T18:50:26.672629Z  INFO local_candidate{attempt=2}: retrying exchange schedule with incremental instruction-alignment validation transfers=356
2026-09-13T18:50:26.680957Z  INFO local_candidate{attempt=2}: finished incremental instruction-alignment validation transfers=356 elapsed_ms=8 success=true
2026-09-13T18:50:26.686311Z  INFO local_candidate{attempt=2}: compared ordinary and paired exchange schedules phase=1 candidates=32 ordinary_horizon=896 paired_horizon=885 use_paired=true
2026-09-13T18:50:26.688797Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=3 success=true
2026-09-13T18:50:26.688822Z  INFO local_candidate{attempt=1}: placing generated tile programs linked_end=321040 host_code_base=376832 host_code_bytes=660 generated_code_bytes=1264 exchange_table_bytes=980 executable_ranges=[(377560, 524288)]
2026-09-13T18:50:26.688847Z  INFO local_candidate{attempt=1}: allocated package support memory linked_end=321040 profile_bytes=112 exchange_table_bytes=980 host_code_bytes=660 host_data_bytes=472 generated_code_bytes=1264 code_address=377560 available_ranges=[(327680, 360448), (362680, 376832), (409600, 949168)]
2026-09-13T18:50:26.689237Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-13T18:50:26.691010Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=2 success=true
2026-09-13T18:50:26.691031Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=1 success=true
2026-09-13T18:50:26.691348Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T18:50:26.692190Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.692330Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.692364Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-13T18:50:26.693063Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.693835Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.694145Z  INFO local_candidate{attempt=2}: exchange table and repeat patch storage exchange_table_bytes=1412 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-13T18:50:26.696018Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-13T18:50:26.696881Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=5 success=true
2026-09-13T18:50:26.720183Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=23 success=true
2026-09-13T18:50:26.720306Z  INFO local_candidate{attempt=1}: costed final placed program final_cycles=22328 final_exchange=7340
2026-09-13T18:50:26.735075Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.739424Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.739457Z  INFO local_candidate{attempt=2}: placing generated tile programs linked_end=321040 host_code_base=376832 host_code_bytes=660 generated_code_bytes=1204 exchange_table_bytes=1412 executable_ranges=[(377560, 524288)]
2026-09-13T18:50:26.739495Z  INFO local_candidate{attempt=2}: allocated package support memory linked_end=321040 profile_bytes=104 exchange_table_bytes=1412 host_code_bytes=660 host_data_bytes=472 generated_code_bytes=1204 code_address=377560 available_ranges=[(327680, 360448), (362680, 376832), (409600, 949168)]
2026-09-13T18:50:26.739768Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=4 success=true
2026-09-13T18:50:26.742805Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=3 success=true
2026-09-13T18:50:26.743464Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-13T18:50:26.744281Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:26.744803Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:26.744962Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:26.749014Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-13T18:50:26.757250Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-13T18:50:26.758265Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=15 success=true
2026-09-13T18:50:26.789480Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=31 success=true
2026-09-13T18:50:26.789632Z  INFO local_candidate{attempt=2}: costed final placed program final_cycles=22326 final_exchange=8051
2026-09-13T18:50:26.814583Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:26.822475Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=7 success=true
2026-09-13T18:50:26.903747Z  INFO local_candidate{attempt=1}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=163 success=true
2026-09-13T18:50:27.000156Z  INFO local_candidate{attempt=2}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=176 success=true
2026-09-13T18:50:27.012962Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: accepted local layout improvement attempt=1 before=23752 after=22328 changed_operations=[] changed_casts=[(Some(OperationId(0)), 1)] opened_boundaries=[]
2026-09-13T18:50:27.027379Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/mid-cast-order-20260913/qk-search-state.json attempts=2 bytes=1227324
2026-09-13T18:50:27.034613Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: evaluating ordered local candidates concurrently candidates=1 threads=16
2026-09-13T18:50:27.042717Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: screened exchange table geometry expansion_ms=7 expansion_and_footprint_ms=8 estimated_row_bytes=1424 heuristic_row_bytes=2660 geometry_fragments_per_tile=147 fragment_limit=16384
2026-09-13T18:50:27.042914Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: eliminated unread FP8 cast input padding clears removed=0
2026-09-13T18:50:27.057918Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: retrying exchange schedule with incremental instruction-alignment validation transfers=524
2026-09-13T18:50:27.067495Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: finished incremental instruction-alignment validation transfers=524 elapsed_ms=9 success=true
2026-09-13T18:50:27.071401Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: compared ordinary and paired exchange schedules phase=0 candidates=24 ordinary_horizon=1143 paired_horizon=1190 use_paired=false
2026-09-13T18:50:27.072828Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-13T18:50:27.074101Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=1 success=true
2026-09-13T18:50:27.074318Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T18:50:27.075802Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: exchange table and repeat patch storage exchange_table_bytes=924 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-13T18:50:27.100194Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:27.100233Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: placing generated tile programs linked_end=321040 host_code_base=376832 host_code_bytes=660 generated_code_bytes=1060 exchange_table_bytes=924 executable_ranges=[(377560, 524288)]
2026-09-13T18:50:27.100254Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: allocated package support memory linked_end=321040 profile_bytes=88 exchange_table_bytes=924 host_code_bytes=660 host_data_bytes=472 generated_code_bytes=1060 code_address=377560 available_ranges=[(327680, 360448), (362680, 376832), (409600, 949168)]
2026-09-13T18:50:27.102004Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=1 success=true
2026-09-13T18:50:27.103464Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-13T18:50:27.103494Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-13T18:50:27.104485Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-13T18:50:27.104783Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-13T18:50:27.106613Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-13T18:50:27.107431Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=5 success=true
2026-09-13T18:50:27.125552Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=18 success=true
2026-09-13T18:50:27.125647Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}: costed final placed program final_cycles=20007 final_exchange=6573
2026-09-13T18:50:27.139883Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=2 success=true
2026-09-13T18:50:27.143747Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=3 success=true
2026-09-13T18:50:27.300272Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}:local_candidate{attempt=2}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=155 success=true
2026-09-13T18:50:27.304033Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: accepted local layout improvement attempt=2 before=22328 after=20007 changed_operations=[] changed_casts=[(Some(OperationId(0)), 0)] opened_boundaries=[]
2026-09-13T18:50:27.316755Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/mid-cast-order-20260913/qk-search-state.json attempts=3 bytes=1230661
2026-09-13T18:50:27.323236Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=1350 success=true
2026-09-13T18:50:27.325876Z  INFO writing application package tiles=1472
2026-09-13T18:50:27.336698Z  INFO application package written
2026-09-13T18:50:27.336982Z  INFO reading application package
2026-09-13T18:50:27.356136Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-13T18:50:27.356519Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-13T18:50:27.356531Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-13T18:50:27.356536Z  INFO opening IPU device path="/dev/ipu0"
2026-09-13T18:50:27.356565Z  INFO IPU device attached path=/dev/ipu0
2026-09-13T18:50:27.356578Z  INFO initializing IPU device
2026-09-13T18:50:27.364549Z  INFO IPU device initialized
2026-09-13T18:50:27.364648Z  INFO replaying device configuration register_writes=2003
2026-09-13T18:50:27.369445Z  INFO loading application tile_count=1472 final_mark=23
2026-09-13T18:50:27.545195Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-13T18:50:27.547269Z  INFO prepared reference inputs elapsed_ms=0
2026-09-13T18:50:27.547352Z  INFO configured host reference BLAS threads=4
referencePrecision=device
2026-09-13T18:50:27.547448Z  INFO evaluated host reference elapsed_ms=0
2026-09-13T18:50:27.548970Z  INFO starting host exchange session startup_mark=23
2026-09-13T18:50:27.548983Z  INFO attaching host exchange pages pages=2
2026-09-13T18:50:27.549783Z  INFO host exchange session started
2026-09-13T18:50:27.549800Z  INFO invoking host exchange call call="run" command=0 phases=15
profile=artifacts/mid-cast-order-20260913/qk-search/model.capnp tiles=1472 samples=8021
referenceInference=1 numericalTest=PASS
2026-09-13T18:50:27.561386Z  INFO invoking host exchange call call="run" command=0 phases=15
referenceInference=2 numericalTest=PASS
referenceMaximumAbsoluteError=0.000717 numericalTest=PASS
package=artifacts/mid-cast-order-20260913/qk-search/model.ipuexe tiles=1472 hardwareTest=PASS