2026-09-06T11:45:43.347427Z  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 }
2026-09-06T11:45:43.814091Z  INFO applied GEMM plan constraint source_operation=2 matching_plans=2 constraint=GemmPlanConstraint { source_operation: 2, orientation: Normal, row_partitions: 16, column_partitions: 23, inner_partitions: 4, result_row_partitions: 4, result_column_partitions: 1, output_column_block: 64, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:45:44.004446Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=428231 estimated_exchange_cycles=181080 exchange_row_bytes=40088 peak_standard_bytes=154776 peak_interleaved_bytes=278528 peak_total_bytes=433304 maximum_standard_allocation_bytes=114688 active_tile_counts={1472} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:45:44.007653Z  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=951 success=true
2026-09-06T11:45:52.425326Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=327786 estimated_exchange_cycles=100584
2026-09-06T11:45:52.458999Z  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=345
2026-09-06T11:45:52.460587Z  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=8452 success=true
2026-09-06T11:45:52.460606Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=27002 exchange_phases=4
2026-09-06T11:45:52.460796Z  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
2026-09-06T11:45:52.461419Z  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
2026-09-06T11:45:52.461690Z  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_k1088_c48_r44_r46" target=ipu21
2026-09-06T11:45:52.514850Z  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/43fdef9bf3eea5a7f2f13ab980a4f60032d4cbc89082a3808960927a21da9198/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/43fdef9bf3eea5a7f2f13ab980a4f60032d4cbc89082a3808960927a21da9198/kernel.json
2026-09-06T11:45:52.515174Z  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_k1088_c64_r44_r46" target=ipu21
2026-09-06T11:45:52.566621Z  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/896c1c8c4807d36f6c8caf0e9857c74867ef4a56482144962aac4761a583d367/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/896c1c8c4807d36f6c8caf0e9857c74867ef4a56482144962aac4761a583d367/kernel.json
2026-09-06T11:45:52.566963Z  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=105 success=true
2026-09-06T11:45:52.569964Z  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
2026-09-06T11:45:52.693186Z  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=123 success=true
2026-09-06T11:45:53.061141Z  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
2026-09-06T11:45:53.061169Z  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
2026-09-06T11:45:53.071589Z  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
2026-09-06T11:45:53.862683Z  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=53 ordinary_horizon=65118 paired_horizon=61163 use_paired=true
2026-09-06T11:45:53.887000Z  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=2347 maximum_identical_destinations=1
2026-09-06T11:45:53.887021Z  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=67962 selected_horizon=61163 endpoint_lower_bound=58736 lower_bound_gap=2427 selected_kind="critical-neighborhood" neighborhood_improvements=2
2026-09-06T11:45:53.901711Z  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=1425 row_words=170 horizon=61163
2026-09-06T11:45:54.582883Z  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=18432 maximum_identical_destinations=1
2026-09-06T11:45:54.582917Z  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=2183 selected_horizon=2183 endpoint_lower_bound=1536 lower_bound_gap=647 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:54.598512Z  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=966 row_words=98 horizon=2183
2026-09-06T11:45:54.604100Z  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=1910 success=true
2026-09-06T11:45:55.199195Z  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
2026-09-06T11:45:55.199249Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=321080 profile_bytes=332 exchange_table_bytes=1100 host_code_bytes=4132 generated_code_bytes=2732 code_address=409600 standard_ranges=[(425984, 524288)]
2026-09-06T11:45:55.306299Z  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=107 success=true
2026-09-06T11:45:55.317396Z  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
2026-09-06T11:45:55.414566Z  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
2026-09-06T11:45:55.420572Z  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
2026-09-06T11:45:55.420587Z  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
2026-09-06T11:45:55.430293Z  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
2026-09-06T11:45:56.107952Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=2 candidates=39 ordinary_horizon=65118 paired_horizon=61163 use_paired=true
2026-09-06T11:45:56.133632Z  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=2347 maximum_identical_destinations=1
2026-09-06T11:45:56.133651Z  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=65049 selected_horizon=61163 endpoint_lower_bound=58736 lower_bound_gap=2427 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-06T11:45:56.145247Z  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=1404 row_words=173 horizon=61163
2026-09-06T11:45:56.865054Z  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=18432 maximum_identical_destinations=1
2026-09-06T11:45:56.865087Z  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=2183 selected_horizon=2183 endpoint_lower_bound=1536 lower_bound_gap=647 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:56.880743Z  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=966 row_words=98 horizon=2183
2026-09-06T11:45:56.886670Z  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=1580 success=true
2026-09-06T11:45:58.006413Z  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
2026-09-06T11:45:58.095886Z  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
2026-09-06T11:45:58.102017Z  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
2026-09-06T11:45:58.102032Z  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
2026-09-06T11:45:58.112176Z  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
2026-09-06T11:45:58.904710Z  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=40 ordinary_horizon=65118 paired_horizon=63699 use_paired=true
2026-09-06T11:45:58.929901Z  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=2347 maximum_identical_destinations=1
2026-09-06T11:45:58.929918Z  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=65049 selected_horizon=63699 endpoint_lower_bound=58736 lower_bound_gap=4963 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-06T11:45:58.941302Z  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=1404 row_words=174 horizon=63699
2026-09-06T11:45:59.661768Z  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=18432 maximum_identical_destinations=1
2026-09-06T11:45:59.661795Z  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=2183 selected_horizon=2183 endpoint_lower_bound=1536 lower_bound_gap=647 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:59.677279Z  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=966 row_words=98 horizon=2183
2026-09-06T11:45:59.688015Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=28672 baseline_score=641471152128 score=609471627264 baseline_cycles=74173 candidate_cycles=76709 row_bytes=1116 row_capacity=16320 accepted=false
2026-09-06T11:45:59.694429Z  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=2807 success=true
2026-09-06T11:46:00.003109Z  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=14 success=true
2026-09-06T11:46:00.014500Z  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=11 success=true
2026-09-06T11:46:00.138312Z  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=119 success=true
2026-09-06T11:46:00.198252Z  INFO writing application package tiles=1472
2026-09-06T11:46:00.236059Z  INFO application package written
2026-09-06T11:46:00.237916Z  INFO reading application package
2026-09-06T11:46:00.330677Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:46:00.333370Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:46:00.333381Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:46:00.333386Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:46:00.333418Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:46:00.333421Z  INFO initializing IPU device
2026-09-06T11:46:00.341259Z  INFO IPU device initialized
2026-09-06T11:46:00.341264Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:46:00.350351Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:46:00.584167Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:46:03.466718Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:46:03.466748Z  INFO attaching host exchange pages pages=2
2026-09-06T11:46:03.467495Z  INFO host exchange session started
2026-09-06T11:46:03.467594Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=68
2026-09-06T11:46:03.487227Z  INFO invoking streaming host exchange call call="run" command=0 phases=59
profile=artifacts/layout-sweep/joint-result-rows-4/execution.ipuprofile tiles=1472 samples=27055
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=1472 executionTiles=1472 inputBytes=154736640 weightBytes=19943424 cycles=270600 minimumTileCycles=260304 deviceMicroseconds=180.400 effectiveGemmTflops=80.145 peakTflops=282.624 efficiencyPercent=28.36 maximumAbsoluteError=0.017578
package=artifacts/layout-sweep/joint-result-rows-4/model.ipuexe tiles=1472 hardwareTest=PASS