2026-09-06T11:45:11.348322Z  INFO applied GEMM plan constraint source_operation=0 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 0, orientation: Normal, row_partitions: 3, column_partitions: 90, inner_partitions: 5, result_row_partitions: 5, result_column_partitions: 1, output_column_block: 48, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:45:11.756138Z  INFO applied GEMM plan constraint source_operation=2 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 2, orientation: Normal, row_partitions: 3, column_partitions: 36, inner_partitions: 13, result_row_partitions: 13, result_column_partitions: 1, output_column_block: 32, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:45:12.413175Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=352546 estimated_exchange_cycles=155000 exchange_row_bytes=34220 peak_standard_bytes=214444 peak_interleaved_bytes=77312 peak_total_bytes=268716 maximum_standard_allocation_bytes=180224 active_tile_counts={1350, 1404} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:45:12.419046Z  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=1359 success=true
2026-09-06T11:45:15.699933Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=262666 estimated_exchange_cycles=77608
2026-09-06T11:45:15.855122Z  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
2026-09-06T11:45:15.859076Z  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=3439 success=true
2026-09-06T11:45:15.859107Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=25056 exchange_phases=4
2026-09-06T11:45:15.859419Z  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
2026-09-06T11:45:15.861980Z  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=2 success=true
2026-09-06T11:45:15.862364Z  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=0 success=true
2026-09-06T11:45:15.865430Z  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
2026-09-06T11:45:15.992808Z  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=127 success=true
2026-09-06T11:45:16.701295Z  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=18830 maximum_identical_destinations=1
2026-09-06T11:45:16.701346Z  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=6696 selected_horizon=6688 endpoint_lower_bound=4944 lower_bound_gap=1744 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-06T11:45:16.716438Z  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=390 row_words=96 horizon=6688
2026-09-06T11:45:30.944374Z  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=3703 ordinary_horizon=61717 paired_horizon=42428 use_paired=true
2026-09-06T11:45:31.073547Z  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=5509 maximum_identical_destinations=1
2026-09-06T11:45:31.073592Z  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=42428 selected_horizon=42428 endpoint_lower_bound=30408 lower_bound_gap=12020 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:31.136396Z  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=753 row_words=395 horizon=42428
2026-09-06T11:45:34.856565Z  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=35568 maximum_identical_destinations=1
2026-09-06T11:45:34.856634Z  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=6113 selected_horizon=5268 endpoint_lower_bound=4096 lower_bound_gap=1172 selected_kind="critical-neighborhood" neighborhood_improvements=2
2026-09-06T11:45:34.893690Z  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=905 row_words=163 horizon=5268
2026-09-06T11:45:34.911690Z  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=18918 success=true
2026-09-06T11:45:35.553095Z  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=7 success=true
2026-09-06T11:45:35.553170Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=319176 profile_bytes=144 exchange_table_bytes=2348 host_code_bytes=2516 generated_code_bytes=1612 code_address=321696 standard_ranges=[(409600, 524288)]
2026-09-06T11:45:35.661361Z  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=108 success=true
2026-09-06T11:45:35.670159Z  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
2026-09-06T11:45:35.812053Z  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
2026-09-06T11:45:35.821163Z  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=18830 maximum_identical_destinations=1
2026-09-06T11:45:35.821183Z  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=6688 selected_horizon=6688 endpoint_lower_bound=4944 lower_bound_gap=1744 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:45:35.836013Z  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=390 row_words=96 horizon=6688
2026-09-06T11:45:48.710971Z  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=3703 ordinary_horizon=61717 paired_horizon=42428 use_paired=true
2026-09-06T11:45:48.794353Z  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=5509 maximum_identical_destinations=1
2026-09-06T11:45:48.794386Z  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=42428 selected_horizon=42428 endpoint_lower_bound=30408 lower_bound_gap=12020 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:45:48.834939Z  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=753 row_words=395 horizon=42428
2026-09-06T11:45:49.169914Z  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=3
2026-09-06T11:45:49.188558Z  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=35568 maximum_identical_destinations=1
2026-09-06T11:45:49.188581Z  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=5268 selected_horizon=5268 endpoint_lower_bound=4096 lower_bound_gap=1172 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:45:49.224949Z  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=905 row_words=163 horizon=5268
2026-09-06T11:45:49.236963Z  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=13575 success=true
2026-09-06T11:45:50.771155Z  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
2026-09-06T11:45:50.905459Z  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
2026-09-06T11:45:50.914490Z  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=18830 maximum_identical_destinations=1
2026-09-06T11:45:50.914511Z  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=6688 selected_horizon=6688 endpoint_lower_bound=4944 lower_bound_gap=1744 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:45:50.929259Z  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=390 row_words=96 horizon=6688
2026-09-06T11:46:04.895328Z  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=3241 ordinary_horizon=55576 paired_horizon=53980 use_paired=true
2026-09-06T11:46:05.015425Z  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=5509 maximum_identical_destinations=1
2026-09-06T11:46:05.015456Z  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=53980 selected_horizon=53980 endpoint_lower_bound=45864 lower_bound_gap=8116 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:46:05.075503Z  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=631 row_words=381 horizon=53980
2026-09-06T11:46:05.368517Z  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=3
2026-09-06T11:46:05.384331Z  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=35568 maximum_identical_destinations=1
2026-09-06T11:46:05.384347Z  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=5268 selected_horizon=5268 endpoint_lower_bound=4096 lower_bound_gap=1172 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:46:05.418782Z  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=905 row_words=163 horizon=5268
2026-09-06T11:46:05.437557Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=8192 baseline_score=351356092416 score=128732921856 baseline_cycles=60273 candidate_cycles=71825 row_bytes=2284 row_capacity=16320 accepted=false
2026-09-06T11:46:05.448466Z  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=16211 success=true
2026-09-06T11:46:05.771803Z  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=16 success=true
2026-09-06T11:46:05.783318Z  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
2026-09-06T11:46:05.888954Z  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
2026-09-06T11:46:05.959274Z  INFO writing application package tiles=1472
2026-09-06T11:46:06.006525Z  INFO application package written
2026-09-06T11:46:06.008866Z  INFO reading application package
2026-09-06T11:46:06.114382Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:46:06.117225Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:46:06.117236Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:46:06.117241Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:46:06.117270Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:46:06.117274Z  INFO initializing IPU device
2026-09-06T11:46:06.125094Z  INFO IPU device initialized
2026-09-06T11:46:06.125099Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:46:06.133964Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:46:06.335004Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:46:08.875246Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:46:08.875276Z  INFO attaching host exchange pages pages=2
2026-09-06T11:46:08.876042Z  INFO host exchange session started
2026-09-06T11:46:08.876085Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=12
2026-09-06T11:46:08.881695Z  INFO invoking streaming host exchange call call="run" command=0 phases=65
profile=artifacts/layout-sweep/joint-rows-3/execution.ipuprofile tiles=1472 samples=28301
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=1404 executionTiles=1472 inputBytes=157680000 weightBytes=20393472 cycles=215076 minimumTileCycles=199812 deviceMicroseconds=143.384 effectiveGemmTflops=100.835 peakTflops=282.624 efficiencyPercent=35.68 maximumAbsoluteError=0.011719
package=artifacts/layout-sweep/joint-rows-3/model.ipuexe tiles=1472 hardwareTest=PASS