2026-09-06T11:43:59.805624Z  INFO applied GEMM plan constraint source_operation=0 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 0, orientation: Normal, row_partitions: 4, column_partitions: 92, inner_partitions: 4, result_row_partitions: 4, result_column_partitions: 1, output_column_block: 48, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:44:00.227127Z  INFO applied GEMM plan constraint source_operation=2 matching_plans=2 constraint=GemmPlanConstraint { source_operation: 2, orientation: Normal, row_partitions: 16, column_partitions: 9, inner_partitions: 10, result_row_partitions: 10, result_column_partitions: 1, output_column_block: 128, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:44:00.539529Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=353095 estimated_exchange_cycles=131320 exchange_row_bytes=28892 peak_standard_bytes=143580 peak_interleaved_bytes=221184 peak_total_bytes=314588 maximum_standard_allocation_bytes=114688 active_tile_counts={1440, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:44:00.543374Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=910 success=true
2026-09-06T11:44:06.278362Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=325505 estimated_exchange_cycles=110568
2026-09-06T11:44:06.291671Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: eliminated finite GEMM padding clears using load-time SRAM initialization removed=135
2026-09-06T11:44:06.292491Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=5749 success=true
2026-09-06T11:44:06.292502Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=25994 exchange_phases=4
2026-09-06T11:44:06.292630Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-06T11:44:06.292943Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-06T11:44:06.293116Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: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_interleaved_k432_c128_r44_r46" target=ipu21
2026-09-06T11:44:06.345552Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/a79cbd4262fdbe84c18a2b4cef130d05313f5a44fa85b369121b2f020b99931f/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/a79cbd4262fdbe84c18a2b4cef130d05313f5a44fa85b369121b2f020b99931f/kernel.json
2026-09-06T11:44:06.346118Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=53 success=true
2026-09-06T11:44:06.351023Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-06T11:44:06.463158Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="plan_exchange_storage"}: package build phase finished phase="plan_exchange_storage" elapsed_ms=112 success=true
2026-09-06T11:44:06.798177Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=1 transfers=15064 maximum_identical_destinations=1
2026-09-06T11:44:06.798222Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=1 initial_horizon=4180 selected_horizon=3779 endpoint_lower_bound=3408 lower_bound_gap=371 selected_kind="matching-waves" neighborhood_improvements=0
2026-09-06T11:44:06.808708Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=1 tile=690 row_words=75 horizon=3779
2026-09-06T11:44:07.110362Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: compared ordinary and paired exchange schedules phase=2 candidates=30 ordinary_horizon=37815 paired_horizon=37815 use_paired=false
2026-09-06T11:44:07.123105Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=2 transfers=2279 maximum_identical_destinations=1
2026-09-06T11:44:07.123122Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=2 initial_horizon=37815 selected_horizon=37815 endpoint_lower_bound=37584 lower_bound_gap=231 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:44:07.129563Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=2 tile=1402 row_words=87 horizon=37815
2026-09-06T11:44:22.217539Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: prepared large physical exchange phase phase=3 transfers=116208 maximum_identical_destinations=1
2026-09-06T11:44:22.217581Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: optimized physical exchange schedule phase=3 initial_horizon=8233 selected_horizon=8233 endpoint_lower_bound=3840 lower_bound_gap=4393 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:44:22.333569Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: finished large physical exchange phase phase=3 tile=1041 row_words=480 horizon=8233
2026-09-06T11:44:22.370522Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges_provisional"}: package build phase finished phase="lower_exchanges_provisional" elapsed_ms=15907 success=true
2026-09-06T11:44:23.037883Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=5 success=true
2026-09-06T11:44:23.037921Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=319176 profile_bytes=164 exchange_table_bytes=2344 host_code_bytes=3684 generated_code_bytes=1760 code_address=322864 standard_ranges=[(409600, 524288)]
2026-09-06T11:44:23.141287Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=103 success=true
2026-09-06T11:44:23.149302Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-06T11:44:23.237959Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-06T11:44:23.243870Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=15064 maximum_identical_destinations=1
2026-09-06T11:44:23.243882Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=3779 selected_horizon=3779 endpoint_lower_bound=3408 lower_bound_gap=371 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:44:23.253926Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=690 row_words=75 horizon=3779
2026-09-06T11:44:23.329865Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-06T11:44:23.334832Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=2279 maximum_identical_destinations=1
2026-09-06T11:44:23.334843Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=37815 selected_horizon=37815 endpoint_lower_bound=37584 lower_bound_gap=231 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:44:23.340795Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=1402 row_words=87 horizon=37815
2026-09-06T11:44:43.870845Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=116208 maximum_identical_destinations=1
2026-09-06T11:44:43.870880Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=8233 selected_horizon=8233 endpoint_lower_bound=3840 lower_bound_gap=4393 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:44:43.990370Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=1041 row_words=480 horizon=8233
2026-09-06T11:44:44.025490Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=20884 success=true
2026-09-06T11:44:45.029961Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0
2026-09-06T11:44:45.121001Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1
2026-09-06T11:44:45.127336Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=15064 maximum_identical_destinations=1
2026-09-06T11:44:45.127347Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=3779 selected_horizon=3779 endpoint_lower_bound=3408 lower_bound_gap=371 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:44:45.137592Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=690 row_words=75 horizon=3779
2026-09-06T11:44:45.494277Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: compared ordinary and paired exchange schedules phase=2 candidates=30 ordinary_horizon=37815 paired_horizon=37815 use_paired=false
2026-09-06T11:44:45.508096Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=2279 maximum_identical_destinations=1
2026-09-06T11:44:45.508112Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=37815 selected_horizon=37815 endpoint_lower_bound=37584 lower_bound_gap=231 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:44:45.514680Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=1402 row_words=87 horizon=37815
2026-09-06T11:45:06.739712Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=116208 maximum_identical_destinations=1
2026-09-06T11:45:06.739758Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=8233 selected_horizon=8233 endpoint_lower_bound=3840 lower_bound_gap=4393 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:06.858967Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=1041 row_words=480 horizon=8233
2026-09-06T11:45:06.908454Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=20480 baseline_score=1781200060416 score=680446918656 baseline_cycles=56875 candidate_cycles=56875 row_bytes=2344 row_capacity=16320 accepted=false
2026-09-06T11:45:06.926070Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=22900 success=true
2026-09-06T11:45:07.236159Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=8 success=true
2026-09-06T11:45:07.247188Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=10 success=true
2026-09-06T11:45:07.351249Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=100 success=true
2026-09-06T11:45:07.415337Z  INFO writing application package tiles=1472
2026-09-06T11:45:07.458836Z  INFO application package written
2026-09-06T11:45:07.460630Z  INFO reading application package
2026-09-06T11:45:07.556898Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:45:07.559431Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:45:07.559445Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:45:07.559450Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:45:07.559478Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:45:07.559480Z  INFO initializing IPU device
2026-09-06T11:45:07.567544Z  INFO IPU device initialized
2026-09-06T11:45:07.567555Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:45:07.577027Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:45:07.881946Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:45:10.547433Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:45:10.547461Z  INFO attaching host exchange pages pages=2
2026-09-06T11:45:10.547914Z  INFO host exchange session started
2026-09-06T11:45:10.547960Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=54
2026-09-06T11:45:10.560446Z  INFO invoking streaming host exchange call call="run" command=0 phases=59
profile=artifacts/layout-sweep/down-18/execution.ipuprofile tiles=1472 samples=21053
workload=siglip-mlp-f16-b1-t729-d1152-h4304-n1 benchmark=siglip-mlp-f16 batch=1 tokens=729 rows=729 dimension=1152 hiddenDimension=4304 blocks=1 biases=false activeTiles=1440 executionTiles=1472 inputBytes=154736640 weightBytes=19869696 cycles=224802 minimumTileCycles=210096 deviceMicroseconds=149.868 effectiveGemmTflops=96.472 peakTflops=282.624 efficiencyPercent=34.13 maximumAbsoluteError=0.011719
package=artifacts/layout-sweep/down-18/model.ipuexe tiles=1472 hardwareTest=PASS