2026-09-14T19:10:27.395405Z  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
2026-09-14T19:10:27.501719Z  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
2026-09-14T19:10:27.502137Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-14T19:10:27.503602Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=4 expansion_and_footprint_ms=5 estimated_row_bytes=1920 heuristic_row_bytes=1904 geometry_fragments_per_tile=202 fragment_limit=16384
2026-09-14T19:10:27.510058Z  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=224
2026-09-14T19:10:27.512487Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=224 elapsed_ms=2 success=true
2026-09-14T19:10:27.513903Z  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=192
2026-09-14T19:10:27.518301Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=68 ordinary_horizon=738 paired_horizon=3663 use_paired=false
2026-09-14T19:10:27.519089Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: finished incremental instruction-alignment validation transfers=192 elapsed_ms=5 success=true
2026-09-14T19:10:27.541464Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=3 candidates=144 ordinary_horizon=483 paired_horizon=1001 use_paired=false
2026-09-14T19:10:27.542769Z  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
2026-09-14T19:10:27.543552Z  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=0 success=true
2026-09-14T19:10:27.543703Z  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
2026-09-14T19:10:27.545455Z  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=1228 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-14T19:10:27.572232Z  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=6 success=true
2026-09-14T19:10:27.572302Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=314428 host_code_base=376832 host_code_bytes=532 generated_code_bytes=1012 exchange_table_bytes=1228 executable_ranges=[(377432, 524288)]
2026-09-14T19:10:27.572343Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=314428 profile_bytes=72 exchange_table_bytes=1228 host_code_bytes=532 host_data_bytes=344 generated_code_bytes=1012 code_address=377432 available_ranges=[(327680, 360448), (362552, 376832), (409600, 949168)]
2026-09-14T19:10:27.577138Z  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=4 success=true
2026-09-14T19:10:27.579742Z  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
2026-09-14T19:10:27.579792Z  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
2026-09-14T19:10:27.580594Z  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
2026-09-14T19:10:27.581781Z  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
2026-09-14T19:10:27.582526Z  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
2026-09-14T19:10:27.586759Z  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
2026-09-14T19:10:27.587507Z  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=10 success=true
2026-09-14T19:10:27.627262Z  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=39 success=true
2026-09-14T19:10:27.627371Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=32613 final_exchange=18087
2026-09-14T19:10:27.641287Z  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=4 success=true
2026-09-14T19:10:27.646274Z  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
2026-09-14T19:10:27.717482Z  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=69 success=true
2026-09-14T19:10:27.721457Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=32613 resuming=false
2026-09-14T19:10:27.731488Z  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=336 success=true
2026-09-14T19:10:27.734086Z  INFO writing application package tiles=1472
2026-09-14T19:10:27.763413Z  INFO application package written
2026-09-14T19:10:27.764040Z  INFO reading application package
2026-09-14T19:10:27.777933Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-14T19:10:27.778543Z  INFO waiting for hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-14T19:10:27.778561Z  INFO acquired hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-14T19:10:27.778577Z  INFO opening IPU device path="/dev/ipu0"
2026-09-14T19:10:27.778617Z  INFO IPU device attached path=/dev/ipu0
2026-09-14T19:10:27.778623Z  INFO initializing IPU device
2026-09-14T19:10:27.786626Z  INFO IPU device initialized
2026-09-14T19:10:27.786665Z  INFO replaying device configuration register_writes=2003
2026-09-14T19:10:27.790654Z  INFO loading application tile_count=1472 final_mark=23
2026-09-14T19:10:27.996883Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-14T19:10:28.003338Z  INFO prepared reference inputs elapsed_ms=2
2026-09-14T19:10:28.003484Z  INFO configured host reference BLAS threads=4
referencePrecision=device
2026-09-14T19:10:28.003775Z  INFO evaluated host reference elapsed_ms=0
2026-09-14T19:10:28.005672Z  INFO starting host exchange session startup_mark=23
2026-09-14T19:10:28.005691Z  INFO attaching host exchange pages pages=2
2026-09-14T19:10:28.006386Z  INFO host exchange session started
2026-09-14T19:10:28.006396Z  INFO invoking host exchange call call="initialize" command=0 phases=6
2026-09-14T19:10:28.007239Z  INFO invoking host exchange call call="run" command=0 phases=9
profile=artifacts/structure-refactor-20260914/exchange-motion/mlp-f16-repeat3.profile.json tiles=1472 samples=2119
referenceInference=1 numericalTest=PASS
referenceMaximumAbsoluteError=0.000183 numericalTest=PASS
package=artifacts/structure-refactor-20260914/exchange-motion/mlp-f16-repeat3.ipuexe tiles=1472 hardwareTest=PASS