2026-09-06T11:28:00.045917Z  INFO applied GEMM plan constraint source_operation=0 matching_plans=2 constraint=GemmPlanConstraint { source_operation: 0, orientation: Normal, row_partitions: 6, column_partitions: 16, inner_partitions: 15, result_row_partitions: 15, result_column_partitions: 1, output_column_block: 272, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:28:00.416467Z  INFO applied GEMM plan constraint source_operation=2 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 2, orientation: Normal, row_partitions: 4, column_partitions: 24, inner_partitions: 15, result_row_partitions: 15, result_column_partitions: 1, output_column_block: 48, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:28:00.967616Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=439718 estimated_exchange_cycles=173240 exchange_row_bytes=38324 peak_standard_bytes=153012 peak_interleaved_bytes=169472 peak_total_bytes=256756 maximum_standard_allocation_bytes=114688 active_tile_counts={1440} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:28:00.971941Z  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=1218 success=true
2026-09-06T11:28:05.575183Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=451662 estimated_exchange_cycles=187800
2026-09-06T11:28:05.669910Z  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=72
2026-09-06T11:28:05.674273Z  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=4702 success=true
2026-09-06T11:28:05.674292Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=25440 exchange_phases=4
2026-09-06T11:28:05.674499Z  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
2026-09-06T11:28:05.677562Z  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=3 success=true
2026-09-06T11:28:05.677708Z  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_k80_c256_r120_r122" target=ipu21
2026-09-06T11:28:05.729852Z  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/fb650dfde5faf629fd01d105ea9de35d303e3e8ba54c93266ade235d8e9e2c52/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/fb650dfde5faf629fd01d105ea9de35d303e3e8ba54c93266ade235d8e9e2c52/kernel.json
2026-09-06T11:28:05.730184Z  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_k80_c272_r120_r122" target=ipu21
2026-09-06T11:28:05.782383Z  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/298787e028dd67b95ae16cc20d3648c049d46f5fa7415b24eb8ac0e172153b47/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/298787e028dd67b95ae16cc20d3648c049d46f5fa7415b24eb8ac0e172153b47/kernel.json
2026-09-06T11:28:05.782879Z  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
2026-09-06T11:28:05.785664Z  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
2026-09-06T11:28:05.905107Z  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=119 success=true
2026-09-06T11:30:11.989313Z  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=351314 maximum_identical_destinations=1
2026-09-06T11:30:11.989365Z  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=31256 selected_horizon=31256 endpoint_lower_bound=19040 lower_bound_gap=12216 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:30:12.576754Z  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=948 row_words=1405 horizon=31256
2026-09-06T11:31:12.949986Z  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=25737 maximum_identical_destinations=1
2026-09-06T11:31:12.950030Z  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=48366 selected_horizon=48366 endpoint_lower_bound=33408 lower_bound_gap=14958 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:31:13.124141Z  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=932 row_words=1216 horizon=48366
2026-09-06T11:31:16.926916Z  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=63720 maximum_identical_destinations=1
2026-09-06T11:31:16.926944Z  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=7991 selected_horizon=7991 endpoint_lower_bound=4704 lower_bound_gap=3287 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:31:16.969045Z  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=1058 row_words=294 horizon=7991
2026-09-06T11:31:16.983834Z  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=191078 success=true
2026-09-06T11:31:17.193575Z  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
2026-09-06T11:31:17.193608Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=319128 profile_bytes=132 exchange_table_bytes=10452 host_code_bytes=1324 generated_code_bytes=2028 code_address=320456 standard_ranges=[(409600, 524288)]
2026-09-06T11:31:17.297345Z  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
2026-09-06T11:31:17.308410Z  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
2026-09-06T11:33:28.752495Z  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=351314 maximum_identical_destinations=1
2026-09-06T11:33:28.752536Z  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=31256 selected_horizon=31256 endpoint_lower_bound=19040 lower_bound_gap=12216 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:33:29.074855Z  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=948 row_words=1405 horizon=31256
2026-09-06T11:34:33.025240Z  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=25737 maximum_identical_destinations=1
2026-09-06T11:34:33.025273Z  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=48366 selected_horizon=48366 endpoint_lower_bound=33408 lower_bound_gap=14958 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:34:33.176929Z  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=932 row_words=1216 horizon=48366
2026-09-06T11:34:37.394805Z  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=63720 maximum_identical_destinations=1
2026-09-06T11:34:37.394834Z  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=7991 selected_horizon=7991 endpoint_lower_bound=4704 lower_bound_gap=3287 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:34:37.436285Z  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=1058 row_words=294 horizon=7991
2026-09-06T11:34:37.452417Z  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=200155 success=true
2026-09-06T11:34:39.150551Z  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
2026-09-06T11:36:56.988808Z  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=351314 maximum_identical_destinations=1
2026-09-06T11:36:56.988847Z  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=31256 selected_horizon=31256 endpoint_lower_bound=19040 lower_bound_gap=12216 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:36:57.304024Z  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=948 row_words=1405 horizon=31256
2026-09-06T11:37:59.494608Z  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=25737 maximum_identical_destinations=1
2026-09-06T11:37:59.494651Z  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=54910 selected_horizon=54910 endpoint_lower_bound=33408 lower_bound_gap=21502 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:37:59.651396Z  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=932 row_words=1214 horizon=54910
2026-09-06T11:38:04.215048Z  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=63720 maximum_identical_destinations=1
2026-09-06T11:38:04.215076Z  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=7991 selected_horizon=7991 endpoint_lower_bound=4704 lower_bound_gap=3287 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:38:04.259074Z  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=1058 row_words=294 horizon=7991
2026-09-06T11:38:04.296254Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=4096 baseline_score=448685899776 score=171487494144 baseline_cycles=98615 candidate_cycles=105159 row_bytes=10452 row_capacity=16320 accepted=false
2026-09-06T11:38:04.340040Z  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=206887 success=true
2026-09-06T11:38:04.451323Z  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=9 success=true
2026-09-06T11:38:04.467880Z  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=16 success=true
2026-09-06T11:38:04.576541Z  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=101 success=true
2026-09-06T11:38:04.650756Z  INFO writing application package tiles=1472
2026-09-06T11:38:04.752012Z  INFO application package written
2026-09-06T11:38:04.754587Z  INFO reading application package
2026-09-06T11:38:04.909537Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:38:04.913372Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:38:04.913384Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:38:04.913389Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:38:04.913418Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:38:04.913421Z  INFO initializing IPU device
2026-09-06T11:38:04.921503Z  INFO IPU device initialized
2026-09-06T11:38:04.921526Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:38:04.927742Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:38:05.229014Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:38:06.840161Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:38:06.840191Z  INFO attaching host exchange pages pages=2
2026-09-06T11:38:06.840869Z  INFO host exchange session started
2026-09-06T11:38:06.840921Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=22
2026-09-06T11:38:06.847631Z  INFO invoking streaming host exchange call call="run" command=0 phases=17
profile=artifacts/layout-sweep/up-06/execution.ipuprofile tiles=1472 samples=25548
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=28032000 weightBytes=20282880 cycles=271446 minimumTileCycles=266022 deviceMicroseconds=180.964 effectiveGemmTflops=79.895 peakTflops=282.624 efficiencyPercent=28.27 maximumAbsoluteError=0.011719
package=artifacts/layout-sweep/up-06/model.ipuexe tiles=1472 hardwareTest=PASS