2026-09-06T18:02:07.509096Z  INFO retained operator-plan finalist finalist=0 values=4 operations=2 estimated_cycles=20718 estimated_exchange_cycles=5720 exchange_row_bytes=1156 peak_standard_bytes=25860 peak_interleaved_bytes=32768 peak_total_bytes=58500 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[Some(OperationId(0))]
2026-09-06T18:02:07.509192Z  INFO retained operator-plan finalist finalist=1 values=5 operations=3 estimated_cycles=48968 estimated_exchange_cycles=19720 exchange_row_bytes=4044 peak_standard_bytes=53196 peak_interleaved_bytes=49152 peak_total_bytes=102348 maximum_standard_allocation_bytes=49152 active_tile_counts={32, 64} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(0))]
2026-09-06T18:02:07.509260Z  INFO retained operator-plan finalist finalist=2 values=5 operations=3 estimated_cycles=120862 estimated_exchange_cycles=69640 exchange_row_bytes=15276 peak_standard_bytes=179116 peak_interleaved_bytes=65536 peak_total_bytes=244652 maximum_standard_allocation_bytes=163840 active_tile_counts={16, 64} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(0))]
2026-09-06T18:02:07.511799Z  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=49 success=true
2026-09-06T18:02:07.531450Z  INFO eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-06T18:02:07.545716Z  INFO screened tile mappings by exchange resource load candidates=5 baseline_cycles=2016 candidate_cycles=2016 baseline_pressure=1985 candidate_pressure=1985
2026-09-06T18:02:07.547300Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=16764 estimated_cycles=54468 estimated_exchange_cycles=40320
2026-09-06T18:02:07.553052Z  INFO eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-06T18:02:07.559250Z  INFO eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-06T18:02:07.567229Z  INFO screened tile mappings by exchange resource load candidates=8 baseline_cycles=27128 candidate_cycles=27128 baseline_pressure=18699 candidate_pressure=18699
2026-09-06T18:02:07.568278Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=88162 estimated_cycles=97650 estimated_exchange_cycles=37816
2026-09-06T18:02:07.577066Z  INFO screened tile mappings by exchange resource load candidates=9 baseline_cycles=7152 candidate_cycles=7152 baseline_pressure=6738 candidate_pressure=6738
2026-09-06T18:02:07.578355Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=43438 estimated_cycles=66598 estimated_exchange_cycles=31512
2026-09-06T18:02:08.858789Z  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=54468 analytical_exchange_cycles=40320 scheduled_exchange_cycles=2802 refined_cycles=16950
2026-09-06T18:02:08.863024Z  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
2026-09-06T18:02:08.863057Z  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=1351 success=true
2026-09-06T18:02:08.863079Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: lowered graph for package construction logical_shards=256 exchange_phases=1
2026-09-06T18:02:08.863338Z  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
2026-09-06T18:02:08.863400Z  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
2026-09-06T18:02:08.863574Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/gemm_f16_amp.S name="gemm_f16_packed64_k64_c64_r64_r64" target=ipu21
2026-09-06T18:02:08.928728Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/603ce46a2f21a1eaa5eaa7a45dfbbf6049b1db722db79c67833704215d5e4b77/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/603ce46a2f21a1eaa5eaa7a45dfbbf6049b1db722db79c67833704215d5e4b77/kernel.json
2026-09-06T18:02:08.928788Z  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=65 success=true
2026-09-06T18:02:08.928908Z  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
2026-09-06T18:02:08.938466Z  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
2026-09-06T18:02:08.938504Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: allocated package support memory linked_end=313604 profile_bytes=0 exchange_table_bytes=2248 host_code_bytes=548 generated_code_bytes=164 code_address=314160 standard_ranges=[(393216, 524288)]
2026-09-06T18:02:08.940099Z  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=1 success=true
2026-09-06T18:02:10.084136Z  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
2026-09-06T18:02:10.095221Z  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=1155 success=true
2026-09-06T18:02:10.097304Z  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=2 success=true
2026-09-06T18:02:10.097351Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: costed final placed program final_cycles=16950 final_exchange=2802
2026-09-06T18:02:10.106493Z  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=5 success=true
2026-09-06T18:02:10.109084Z  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=2 success=true
2026-09-06T18:02:10.158328Z  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=48 success=true
2026-09-06T18:02:10.163132Z  INFO writing application package tiles=1472
2026-09-06T18:02:10.167532Z  INFO application package written
2026-09-06T18:02:10.168035Z  INFO reading application package
2026-09-06T18:02:10.174385Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T18:02:10.174647Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T18:02:10.174658Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T18:02:10.174664Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T18:02:10.174701Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T18:02:10.174704Z  INFO initializing IPU device
2026-09-06T18:02:10.182826Z  INFO IPU device initialized
2026-09-06T18:02:10.182873Z  INFO replaying device configuration register_writes=2003
2026-09-06T18:02:10.186808Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T18:02:10.377351Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T18:02:10.398789Z  INFO starting host exchange session startup_mark=23
2026-09-06T18:02:10.398808Z  INFO attaching host exchange pages pages=2
2026-09-06T18:02:10.399618Z  INFO host exchange session started
2026-09-06T18:02:10.399625Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=4
2026-09-06T18:02:10.400171Z  INFO invoking streaming host exchange call call="run" command=0 phases=5
gemmNumericalChecks=262144 numericalTest=PASS
package=artifacts/layout-sweep/gemm-packed-balanced-smoke/model.ipuexe tiles=1472 hardwareTest=PASS