2026-09-06T17:42:55.568362Z  INFO retained operator-plan finalist finalist=0 values=5 operations=3 estimated_cycles=88595 estimated_exchange_cycles=19720 exchange_row_bytes=4044 peak_standard_bytes=53196 peak_interleaved_bytes=49152 peak_total_bytes=102348 maximum_standard_allocation_bytes=49152 active_tile_counts={32, 64} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(0))]
2026-09-06T17:42:55.568464Z  INFO retained operator-plan finalist finalist=1 values=5 operations=3 estimated_cycles=160393 estimated_exchange_cycles=69640 exchange_row_bytes=15276 peak_standard_bytes=179116 peak_interleaved_bytes=65536 peak_total_bytes=244652 maximum_standard_allocation_bytes=163840 active_tile_counts={16, 64} padding_group_counts={} conversion_sources=[Some(OperationId(0)), Some(OperationId(0))]
2026-09-06T17:42:55.569836Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=27 success=true
2026-09-06T17:42:55.609285Z  INFO eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-06T17:42:55.612780Z  INFO eliminated finite GEMM padding clears using load-time SRAM initialization removed=0
2026-09-06T17:42:55.623239Z  INFO screened tile mappings by exchange resource load candidates=8 baseline_cycles=27128 candidate_cycles=27128 baseline_pressure=18699 candidate_pressure=18699
2026-09-06T17:42:55.624262Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=86722 estimated_cycles=96210 estimated_exchange_cycles=37816
2026-09-06T17:42:55.630194Z  INFO screened tile mappings by exchange resource load candidates=9 baseline_cycles=7152 candidate_cycles=7152 baseline_pressure=6738 candidate_pressure=6738
2026-09-06T17:42:55.631488Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=42094 estimated_cycles=65254 estimated_exchange_cycles=31512
2026-09-06T17:42:55.991237Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=1264 maximum_identical_destinations=1
2026-09-06T17:42:55.991278Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=3221 selected_horizon=3221 endpoint_lower_bound=3056 lower_bound_gap=165 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T17:42:55.994579Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=5 row_words=294 horizon=3221
2026-09-06T17:42:55.997366Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=false analytical_cycles=65254 analytical_exchange_cycles=31512 scheduled_exchange_cycles=8717 refined_cycles=42459
2026-09-06T17:42:55.998146Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=0 mapped=false
2026-09-06T17:42:55.998158Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=428 success=true
2026-09-06T17:42:55.998169Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: lowered graph for package construction logical_shards=512 exchange_phases=2
2026-09-06T17:42:55.998429Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-06T17:42:55.998483Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-06T17:42:55.998653Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: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_packed64_k32_c64_r64_r64" target=ipu21
2026-09-06T17:42:56.058874Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/5d65182eba7426e1213cb171d9e891370a93742be7ab8bacdfa83ee8f26736e4/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/5d65182eba7426e1213cb171d9e891370a93742be7ab8bacdfa83ee8f26736e4/kernel.json
2026-09-06T17:42:56.059119Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=60 success=true
2026-09-06T17:42:56.059440Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-06T17:42:56.069866Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=2 success=true
2026-09-06T17:42:56.069896Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: allocated package support memory linked_end=313516 profile_bytes=0 exchange_table_bytes=1196 host_code_bytes=900 generated_code_bytes=468 code_address=314424 standard_ranges=[(393216, 524288)]
2026-09-06T17:42:56.071747Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=1 success=true
2026-09-06T17:42:56.374522Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-06T17:42:56.376715Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=1264 maximum_identical_destinations=1
2026-09-06T17:42:56.376731Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=3221 selected_horizon=3221 endpoint_lower_bound=3056 lower_bound_gap=165 selected_kind="reused" neighborhood_improvements=0
2026-09-06T17:42:56.380023Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=5 row_words=294 horizon=3221
2026-09-06T17:42:56.382438Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-06T17:42:56.382663Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=310 success=true
2026-09-06T17:42:56.388366Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=5 success=true
2026-09-06T17:42:56.388428Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}: costed final placed program final_cycles=42459 final_exchange=8717
2026-09-06T17:42:56.394665Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=3 success=true
2026-09-06T17:42:56.396916Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=2 success=true
2026-09-06T17:42:56.448152Z  INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=50 success=true
2026-09-06T17:42:56.452738Z  INFO writing application package tiles=1472
2026-09-06T17:42:56.456784Z  INFO application package written
2026-09-06T17:42:56.457249Z  INFO reading application package
2026-09-06T17:42:56.463308Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-06T17:42:56.463491Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T17:42:56.463500Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-06T17:42:56.463505Z  INFO opening IPU device path="/dev/ipu0"
2026-09-06T17:42:56.463540Z  INFO IPU device attached path=/dev/ipu0
2026-09-06T17:42:56.463543Z  INFO initializing IPU device
2026-09-06T17:42:56.471530Z  INFO IPU device initialized
2026-09-06T17:42:56.471565Z  INFO replaying device configuration register_writes=2003
2026-09-06T17:42:56.475444Z  INFO loading application tile_count=1472 final_mark=23
2026-09-06T17:42:56.656902Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-06T17:42:56.678043Z  INFO starting host exchange session startup_mark=23
2026-09-06T17:42:56.678057Z  INFO attaching host exchange pages pages=2
2026-09-06T17:42:56.678768Z  INFO host exchange session started
2026-09-06T17:42:56.678775Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=4
2026-09-06T17:42:56.679320Z  INFO invoking streaming host exchange call call="run" command=0 phases=9
gemmNumericalChecks=262144 numericalTest=PASS
package=artifacts/layout-sweep/gemm-packed-smoke/model.ipuexe tiles=1472 hardwareTest=PASS