2026-09-06T11:22:57.816118Z  INFO applied GEMM plan constraint source_operation=0 matching_plans=2 constraint=GemmPlanConstraint { source_operation: 0, orientation: Normal, row_partitions: 4, column_partitions: 45, inner_partitions: 8, result_row_partitions: 8, result_column_partitions: 1, output_column_block: 96, weight_memory_class: Ipu21Interleaved, reduction_staging: Complete, local_weight_staging: Direct }
2026-09-06T11:22:58.214663Z  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 }
2026-09-06T11:22:58.753047Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=342377 estimated_exchange_cycles=135800 exchange_row_bytes=29900 peak_standard_bytes=144588 peak_interleaved_bytes=120832 peak_total_bytes=216268 maximum_standard_allocation_bytes=114688 active_tile_counts={1440} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:22:58.758104Z  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=1232 success=true
2026-09-06T11:23:02.164978Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=281530 estimated_exchange_cycles=79944
2026-09-06T11:23:02.250238Z  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
2026-09-06T11:23:02.251995Z  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=3493 success=true
2026-09-06T11:23:02.252016Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=25821 exchange_phases=4
2026-09-06T11:23:02.252196Z  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
2026-09-06T11:23:02.252800Z  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
2026-09-06T11:23:02.252882Z  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_k144_c80_r182_r184" target=ipu21
2026-09-06T11:23:02.307534Z  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/b767e9e0f5b99536b23ec53f337a95ea35de862374ebfbd8d6e6d15e7d9cc445/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/b767e9e0f5b99536b23ec53f337a95ea35de862374ebfbd8d6e6d15e7d9cc445/kernel.json
2026-09-06T11:23:02.307752Z  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_k144_c96_r182_r184" target=ipu21
2026-09-06T11:23:02.357192Z  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/a44ea89325828806650044cd84aa030d9e7c657a56c9aaafb82bb4ffc45ec17e/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/a44ea89325828806650044cd84aa030d9e7c657a56c9aaafb82bb4ffc45ec17e/kernel.json
2026-09-06T11:23:02.357699Z  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=104 success=true
2026-09-06T11:23:02.360697Z  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
2026-09-06T11:23:02.484607Z  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
2026-09-06T11:23:09.225015Z  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=66712 maximum_identical_destinations=1
2026-09-06T11:23:09.225062Z  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=12347 selected_horizon=12347 endpoint_lower_bound=8448 lower_bound_gap=3899 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:23:09.293768Z  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=691 row_words=343 horizon=12347
2026-09-06T11:23:33.095928Z  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=7784 ordinary_horizon=57339 paired_horizon=55740 use_paired=true
2026-09-06T11:23:33.204956Z  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=10135 maximum_identical_destinations=1
2026-09-06T11:23:33.204979Z  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=55740 selected_horizon=55740 endpoint_lower_bound=22464 lower_bound_gap=33276 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:23:33.267960Z  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=782 row_words=510 horizon=55740
2026-09-06T11:23:37.155551Z  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
2026-09-06T11:23:37.155584Z  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
2026-09-06T11:23:37.193190Z  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
2026-09-06T11:23:37.208035Z  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=34723 success=true
2026-09-06T11:23:37.446590Z  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
2026-09-06T11:23:37.446616Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=319176 profile_bytes=132 exchange_table_bytes=4068 host_code_bytes=1580 generated_code_bytes=1468 code_address=320760 standard_ranges=[(409600, 524288)]
2026-09-06T11:23:37.555618Z  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
2026-09-06T11:23:37.563732Z  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
2026-09-06T11:23:44.821855Z  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=66712 maximum_identical_destinations=1
2026-09-06T11:23:44.821896Z  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=12347 selected_horizon=12347 endpoint_lower_bound=8448 lower_bound_gap=3899 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:23:44.890019Z  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=691 row_words=343 horizon=12347
2026-09-06T11:24:09.224751Z  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=7784 ordinary_horizon=57339 paired_horizon=55740 use_paired=true
2026-09-06T11:24:09.346692Z  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=10135 maximum_identical_destinations=1
2026-09-06T11:24:09.346718Z  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=55740 selected_horizon=55740 endpoint_lower_bound=22464 lower_bound_gap=33276 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:24:09.409483Z  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=782 row_words=510 horizon=55740
2026-09-06T11:24:15.680788Z  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
2026-09-06T11:24:15.680832Z  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
2026-09-06T11:24:15.746636Z  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
2026-09-06T11:24:15.766670Z  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=38211 success=true
2026-09-06T11:24:17.257892Z  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
2026-09-06T11:24:24.609689Z  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=66712 maximum_identical_destinations=1
2026-09-06T11:24:24.609734Z  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=12347 selected_horizon=12347 endpoint_lower_bound=8448 lower_bound_gap=3899 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:24:24.678635Z  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=691 row_words=343 horizon=12347
2026-09-06T11:24:47.926845Z  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=7784 ordinary_horizon=40797 paired_horizon=34816 use_paired=true
2026-09-06T11:24:48.059796Z  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=10135 maximum_identical_destinations=1
2026-09-06T11:24:48.059834Z  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=34816 selected_horizon=34816 endpoint_lower_bound=22464 lower_bound_gap=12352 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:24:48.127554Z  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=892 row_words=513 horizon=34816
2026-09-06T11:24:55.917103Z  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
2026-09-06T11:24:55.917169Z  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
2026-09-06T11:24:55.986875Z  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
2026-09-06T11:24:56.030014Z  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=129230733312 score=115566870528 baseline_cycles=83122 candidate_cycles=62198 row_bytes=4012 row_capacity=16320 accepted=true
2026-09-06T11:24:56.058977Z  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=40292 success=true
2026-09-06T11:24:56.273375Z  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=13 success=true
2026-09-06T11:24:56.288297Z  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=14 success=true
2026-09-06T11:24:56.397722Z  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=102 success=true
2026-09-06T11:24:56.472848Z  INFO writing application package tiles=1472
2026-09-06T11:24:56.549548Z  INFO application package written
2026-09-06T11:24:56.551941Z  INFO reading application package
2026-09-06T11:24:56.667475Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:24:56.670783Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:24:56.670839Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:24:56.670846Z  INFO initializing IPU device
2026-09-06T11:24:56.679180Z  INFO IPU device initialized
2026-09-06T11:24:56.679192Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:24:56.687121Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:24:56.992229Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:24:58.879104Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:24:58.879169Z  INFO attaching host exchange pages pages=2
2026-09-06T11:24:58.879888Z  INFO host exchange session started
2026-09-06T11:24:58.879959Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=14
2026-09-06T11:24:58.887734Z  INFO invoking streaming host exchange call call="run" command=0 phases=33
profile=artifacts/layout-sweep/up-04/execution.ipuprofile tiles=1472 samples=25583
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=75686400 weightBytes=19869696 cycles=207720 minimumTileCycles=198558 deviceMicroseconds=138.480 effectiveGemmTflops=104.406 peakTflops=282.624 efficiencyPercent=36.94 maximumAbsoluteError=0.009766
package=artifacts/layout-sweep/up-04/model.ipuexe tiles=1472 hardwareTest=PASS