2026-09-06T11:47:15.044849Z  INFO applied GEMM plan constraint source_operation=0 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 0, orientation: Normal, row_partitions: 5, column_partitions: 135, inner_partitions: 2, result_row_partitions: 2, result_column_partitions: 1, output_column_block: 32, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:47:15.485274Z  INFO applied GEMM plan constraint source_operation=2 matching_plans=1 constraint=GemmPlanConstraint { source_operation: 2, orientation: Normal, row_partitions: 5, column_partitions: 24, inner_partitions: 12, result_row_partitions: 12, result_column_partitions: 1, output_column_block: 48, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:47:15.785639Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=316340 estimated_exchange_cycles=127640 exchange_row_bytes=28064 peak_standard_bytes=208288 peak_interleaved_bytes=109056 peak_total_bytes=317344 maximum_standard_allocation_bytes=180224 active_tile_counts={1350, 1440} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:47:15.788005Z  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=1031 success=true
2026-09-06T11:47:20.337702Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=247674 estimated_exchange_cycles=69944
2026-09-06T11:47:20.410733Z  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=96
2026-09-06T11:47:20.412472Z  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=4624 success=true
2026-09-06T11:47:20.412494Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=26136 exchange_phases=4
2026-09-06T11:47:20.412677Z  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
2026-09-06T11:47:20.413272Z  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
2026-09-06T11:47:20.413577Z  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
2026-09-06T11:47:20.415448Z  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
2026-09-06T11:47:20.565260Z  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=149 success=true
2026-09-06T11:47:20.652123Z  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=4842 maximum_identical_destinations=1
2026-09-06T11:47:20.652143Z  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=1393 selected_horizon=1362 endpoint_lower_bound=1248 lower_bound_gap=114 selected_kind="critical-neighborhood" neighborhood_improvements=1
2026-09-06T11:47:20.654683Z  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=735 row_words=23 horizon=1362
2026-09-06T11:47:24.417111Z  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=2453 ordinary_horizon=54477 paired_horizon=45143 use_paired=true
2026-09-06T11:47:24.485024Z  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=4630 maximum_identical_destinations=1
2026-09-06T11:47:24.485046Z  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=45143 selected_horizon=45143 endpoint_lower_bound=29072 lower_bound_gap=16071 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:24.521053Z  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=426 row_words=215 horizon=45143
2026-09-06T11:47:28.708838Z  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=50976 maximum_identical_destinations=1
2026-09-06T11:47:28.708876Z  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=6265 selected_horizon=6265 endpoint_lower_bound=3696 lower_bound_gap=2569 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:28.757510Z  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=1132 row_words=232 horizon=6265
2026-09-06T11:47:28.773962Z  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=8208 success=true
2026-09-06T11:47:29.582531Z  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=4 success=true
2026-09-06T11:47:29.582567Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=316320 profile_bytes=152 exchange_table_bytes=1640 host_code_bytes=3556 generated_code_bytes=1848 code_address=319880 standard_ranges=[(409600, 524288)]
2026-09-06T11:47:29.685702Z  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
2026-09-06T11:47:29.695244Z  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
2026-09-06T11:47:29.741298Z  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
2026-09-06T11:47:29.744015Z  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=4842 maximum_identical_destinations=1
2026-09-06T11:47:29.744033Z  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=1362 selected_horizon=1362 endpoint_lower_bound=1248 lower_bound_gap=114 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:47:29.749623Z  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=735 row_words=23 horizon=1362
2026-09-06T11:47:35.480087Z  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=2453 ordinary_horizon=54477 paired_horizon=45143 use_paired=true
2026-09-06T11:47:35.546792Z  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=4630 maximum_identical_destinations=1
2026-09-06T11:47:35.546815Z  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=45143 selected_horizon=45143 endpoint_lower_bound=29072 lower_bound_gap=16071 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:35.581666Z  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=426 row_words=215 horizon=45143
2026-09-06T11:47:40.156802Z  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=50976 maximum_identical_destinations=1
2026-09-06T11:47:40.156838Z  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=6265 selected_horizon=6265 endpoint_lower_bound=3696 lower_bound_gap=2569 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:40.215569Z  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=1132 row_words=232 horizon=6265
2026-09-06T11:47:40.242444Z  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=10556 success=true
2026-09-06T11:47:41.973111Z  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
2026-09-06T11:47:42.003799Z  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
2026-09-06T11:47:42.005853Z  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=4842 maximum_identical_destinations=1
2026-09-06T11:47:42.005866Z  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=1362 selected_horizon=1362 endpoint_lower_bound=1248 lower_bound_gap=114 selected_kind="reused" neighborhood_improvements=0
2026-09-06T11:47:42.009521Z  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=735 row_words=23 horizon=1362
2026-09-06T11:47:47.958120Z  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=2453 ordinary_horizon=43665 paired_horizon=34531 use_paired=true
2026-09-06T11:47:48.022422Z  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=4630 maximum_identical_destinations=1
2026-09-06T11:47:48.022444Z  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=34531 selected_horizon=34531 endpoint_lower_bound=29072 lower_bound_gap=5459 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:48.057691Z  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=415 row_words=217 horizon=34531
2026-09-06T11:47:50.910169Z  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=50976 maximum_identical_destinations=1
2026-09-06T11:47:50.910194Z  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=6265 selected_horizon=6265 endpoint_lower_bound=3696 lower_bound_gap=2569 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:47:50.939132Z  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=1132 row_words=232 horizon=6265
2026-09-06T11:47:50.956035Z  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=581134860288 score=176014835712 baseline_cycles=62107 candidate_cycles=51495 row_bytes=1656 row_capacity=16320 accepted=true
2026-09-06T11:47:50.963167Z  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=10720 success=true
2026-09-06T11:47:51.219260Z  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
2026-09-06T11:47:51.228678Z  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=9 success=true
2026-09-06T11:47:51.283947Z  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=51 success=true
2026-09-06T11:47:51.334961Z  INFO writing application package tiles=1472
2026-09-06T11:47:51.365228Z  INFO application package written
2026-09-06T11:47:51.367005Z  INFO reading application package
2026-09-06T11:47:51.432100Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:47:51.433526Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:47:51.433534Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:47:51.433537Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:47:51.433560Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:47:51.433562Z  INFO initializing IPU device
2026-09-06T11:47:51.441685Z  INFO IPU device initialized
2026-09-06T11:47:51.441690Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:47:51.451772Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:47:51.801696Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:47:55.262320Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:47:55.262353Z  INFO attaching host exchange pages pages=2
2026-09-06T11:47:55.263057Z  INFO host exchange session started
2026-09-06T11:47:55.263102Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=18
2026-09-06T11:47:55.269977Z  INFO invoking streaming host exchange call call="run" command=0 phases=91
profile=artifacts/layout-sweep/cross-cropped-0-2/execution.ipuprofile tiles=1472 samples=25590
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=227059200 weightBytes=20090880 cycles=194226 minimumTileCycles=181446 deviceMicroseconds=129.484 effectiveGemmTflops=111.660 peakTflops=282.624 efficiencyPercent=39.51 maximumAbsoluteError=0.009766
package=artifacts/layout-sweep/cross-cropped-0-2/model.ipuexe tiles=1472 hardwareTest=PASS