2026-09-06T11:37:59.864572Z  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 }
2026-09-06T11:38:00.316328Z  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 }
2026-09-06T11:38:00.941427Z  INFO retained operator-plan finalist finalist=0 values=7 operations=4 estimated_cycles=311951 estimated_exchange_cycles=124440 exchange_row_bytes=27344 peak_standard_bytes=207568 peak_interleaved_bytes=101376 peak_total_bytes=308944 maximum_standard_allocation_bytes=180224 active_tile_counts={1350, 1440} padding_group_counts={} conversion_sources=[Some(OperationId(2))]
2026-09-06T11:38:00.947341Z  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=1377 success=true
2026-09-06T11:38:05.079437Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: selected analytical operator plan estimated_cycles=247784 estimated_exchange_cycles=70536
2026-09-06T11:38:05.166019Z  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
2026-09-06T11:38:05.168034Z  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=4220 success=true
2026-09-06T11:38:05.168050Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: lowered graph for package construction logical_shards=26136 exchange_phases=4
2026-09-06T11:38:05.168269Z  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
2026-09-06T11:38:05.168871Z  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
2026-09-06T11:38:05.169097Z  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_k576_c16_r146_r146" target=ipu21
2026-09-06T11:38:05.221836Z  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/b4a5425246ddcd3ae1443c81d82e642abfb55582affeec1c1242f38c16653a93/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/b4a5425246ddcd3ae1443c81d82e642abfb55582affeec1c1242f38c16653a93/kernel.json
2026-09-06T11:38:05.222169Z  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_k576_c32_r146_r146" target=ipu21
2026-09-06T11:38:05.277223Z  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/cc1ae96453c079cd1a50714b1df27c49bd784f5762d6d3b27b37d1e18a5c0c60/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/cc1ae96453c079cd1a50714b1df27c49bd784f5762d6d3b27b37d1e18a5c0c60/kernel.json
2026-09-06T11:38:05.277378Z  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=108 success=true
2026-09-06T11:38:05.279410Z  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
2026-09-06T11:38:05.469404Z  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=189 success=true
2026-09-06T11:38:05.605290Z  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
2026-09-06T11:38:05.605325Z  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
2026-09-06T11:38:05.611073Z  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
2026-09-06T11:38:10.236011Z  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=2995 ordinary_horizon=46437 paired_horizon=36323 use_paired=true
2026-09-06T11:38:10.291841Z  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=4217 maximum_identical_destinations=1
2026-09-06T11:38:10.291862Z  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=36323 selected_horizon=36323 endpoint_lower_bound=25488 lower_bound_gap=10835 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:38:10.322589Z  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=906 row_words=223 horizon=36323
2026-09-06T11:38:16.449635Z  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
2026-09-06T11:38:16.449687Z  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
2026-09-06T11:38:16.510676Z  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
2026-09-06T11:38:16.533999Z  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=11064 success=true
2026-09-06T11:38:17.344251Z  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
2026-09-06T11:38:17.344286Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=317272 profile_bytes=132 exchange_table_bytes=1944 host_code_bytes=3556 generated_code_bytes=1728 code_address=320832 standard_ranges=[(409600, 524288)]
2026-09-06T11:38:17.449689Z  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=105 success=true
2026-09-06T11:38:17.459763Z  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
2026-09-06T11:38:17.488223Z  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
2026-09-06T11:38:17.490086Z  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
2026-09-06T11:38:17.490098Z  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
2026-09-06T11:38:17.493428Z  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
2026-09-06T11:38:22.535390Z  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=2995 ordinary_horizon=46437 paired_horizon=36323 use_paired=true
2026-09-06T11:38:22.591275Z  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=4217 maximum_identical_destinations=1
2026-09-06T11:38:22.591296Z  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=36323 selected_horizon=36323 endpoint_lower_bound=25488 lower_bound_gap=10835 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:38:22.620841Z  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=906 row_words=223 horizon=36323
2026-09-06T11:38:28.771814Z  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
2026-09-06T11:38:28.771856Z  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
2026-09-06T11:38:28.808452Z  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
2026-09-06T11:38:28.824050Z  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=11374 success=true
2026-09-06T11:38:29.946340Z  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
2026-09-06T11:38:30.007487Z  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
2026-09-06T11:38:30.010571Z  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
2026-09-06T11:38:30.010593Z  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
2026-09-06T11:38:30.015859Z  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
2026-09-06T11:38:33.493092Z  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=2995 ordinary_horizon=40491 paired_horizon=30364 use_paired=true
2026-09-06T11:38:33.528291Z  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=4217 maximum_identical_destinations=1
2026-09-06T11:38:33.528308Z  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=30364 selected_horizon=30364 endpoint_lower_bound=25488 lower_bound_gap=4876 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T11:38:33.545720Z  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=906 row_words=221 horizon=30364
2026-09-06T11:38:37.727519Z  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
2026-09-06T11:38:37.727561Z  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
2026-09-06T11:38:37.782901Z  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
2026-09-06T11:38:37.819675Z  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=173497614336 baseline_cycles=55013 candidate_cycles=49054 row_bytes=1936 row_capacity=16320 accepted=true
2026-09-06T11:38:37.833921Z  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=9009 success=true
2026-09-06T11:38:38.114225Z  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
2026-09-06T11:38:38.122671Z  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=8 success=true
2026-09-06T11:38:38.180727Z  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=54 success=true
2026-09-06T11:38:38.232957Z  INFO writing application package tiles=1472
2026-09-06T11:38:38.273576Z  INFO application package written
2026-09-06T11:38:38.275065Z  INFO reading application package
2026-09-06T11:38:38.342657Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T11:38:38.344696Z  INFO waiting for hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:38:38.344705Z  INFO acquired hardware ownership path=/srv/home/gc-sdk/ipu-stack/artifacts/layout-sweep/device.lock
2026-09-06T11:38:38.344709Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T11:38:38.344732Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T11:38:38.344734Z  INFO initializing IPU device
2026-09-06T11:38:38.352879Z  INFO IPU device initialized
2026-09-06T11:38:38.352882Z  INFO replaying device configuration register_writes=2003
2026-09-06T11:38:38.360450Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T11:38:38.623955Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T11:38:41.939347Z  INFO starting host exchange session startup_mark=23
2026-09-06T11:38:41.939376Z  INFO attaching host exchange pages pages=2
2026-09-06T11:38:41.940100Z  INFO host exchange session started
2026-09-06T11:38:41.940144Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=18
2026-09-06T11:38:41.947143Z  INFO invoking streaming host exchange call call="run" command=0 phases=91
profile=artifacts/layout-sweep/up-15/execution.ipuprofile tiles=1472 samples=25559
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=19869696 cycles=188076 minimumTileCycles=172794 deviceMicroseconds=125.384 effectiveGemmTflops=115.311 peakTflops=282.624 efficiencyPercent=40.80 maximumAbsoluteError=0.011719
package=artifacts/layout-sweep/up-15/model.ipuexe tiles=1472 hardwareTest=PASS