2026-09-07T14:45:40.323371Z INFO retained operator-plan finalist finalist=0 values=4 operations=2 estimated_cycles=4644 estimated_exchange_cycles=2000 exchange_row_bytes=188 peak_standard_bytes=16572 peak_interleaved_bytes=33280 peak_total_bytes=49852 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[Some(OperationId(0))] 2026-09-07T14:45:40.323456Z INFO retained operator-plan finalist finalist=1 values=4 operations=2 estimated_cycles=4750 estimated_exchange_cycles=2000 exchange_row_bytes=188 peak_standard_bytes=18108 peak_interleaved_bytes=33024 peak_total_bytes=49852 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[Some(OperationId(0))] 2026-09-07T14:45:40.323485Z INFO retained operator-plan finalist finalist=2 values=4 operations=2 estimated_cycles=5188 estimated_exchange_cycles=2320 exchange_row_bytes=260 peak_standard_bytes=17668 peak_interleaved_bytes=33792 peak_total_bytes=50436 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[Some(OperationId(0))] 2026-09-07T14:45:40.323496Z INFO retained operator-plan finalist finalist=3 values=4 operations=2 estimated_cycles=5400 estimated_exchange_cycles=2320 exchange_row_bytes=260 peak_standard_bytes=18692 peak_interleaved_bytes=33024 peak_total_bytes=50436 maximum_standard_allocation_bytes=16384 active_tile_counts={64} padding_group_counts={} conversion_sources=[Some(OperationId(0))] 2026-09-07T14:45:40.324985Z 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=16 success=true 2026-09-07T14:45:40.329256Z INFO screened tile mappings by exchange resource load candidates=11 baseline_cycles=448 candidate_cycles=384 baseline_pressure=320 candidate_pressure=320 2026-09-07T14:45:40.329326Z INFO modelled expanded operator plan finalist=1 modelled_cycles=4622 estimated_cycles=4878 estimated_exchange_cycles=1840 2026-09-07T14:45:40.330484Z INFO screened tile mappings by exchange resource load candidates=11 baseline_cycles=448 candidate_cycles=384 baseline_pressure=320 candidate_pressure=320 2026-09-07T14:45:40.330561Z INFO modelled expanded operator plan finalist=0 modelled_cycles=4516 estimated_cycles=4772 estimated_exchange_cycles=1840 2026-09-07T14:45:40.332437Z INFO screened tile mappings by exchange resource load candidates=8 baseline_cycles=512 candidate_cycles=512 baseline_pressure=484 candidate_pressure=484 2026-09-07T14:45:40.332504Z INFO modelled expanded operator plan finalist=2 modelled_cycles=4804 estimated_cycles=5324 estimated_exchange_cycles=2232 2026-09-07T14:45:40.333497Z INFO screened tile mappings by exchange resource load candidates=8 baseline_cycles=512 candidate_cycles=512 baseline_pressure=484 candidate_pressure=484 2026-09-07T14:45:40.333570Z INFO modelled expanded operator plan finalist=3 modelled_cycles=5016 estimated_cycles=5536 estimated_exchange_cycles=2232 2026-09-07T14:45:40.336499Z INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=0 candidates=16 ordinary_horizon=436 paired_horizon=372 use_paired=true 2026-09-07T14:45:40.339020Z 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=4772 analytical_exchange_cycles=1840 scheduled_exchange_cycles=1929 refined_cycles=4861 2026-09-07T14:45:40.339667Z INFO ipu_codegen.package.build{tile_count=64 operations=1}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=0 mapped=true analytical_cycles=4772 analytical_exchange_cycles=1840 scheduled_exchange_cycles=1870 refined_cycles=4802 2026-09-07T14:45:40.341425Z 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=true 2026-09-07T14:45:40.341493Z 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=16 success=true 2026-09-07T14:45:40.341507Z INFO ipu_codegen.package.build{tile_count=64 operations=1}: lowered graph for package construction logical_shards=640 exchange_phases=2 2026-09-07T14:45:40.341858Z 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 2026-09-07T14:45:40.341930Z 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 2026-09-07T14:45:40.342187Z 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_f8_interleaved_k32_c16_r32_r32" target=ipu21 2026-09-07T14:45:40.414055Z 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/ad671c37b43a0caeba58caef249622a70fe9169dec4c4100d4eac2e61c812301/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/ad671c37b43a0caeba58caef249622a70fe9169dec4c4100d4eac2e61c812301/kernel.json 2026-09-07T14:45:40.414507Z 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/cast_f8.cpp name="cast_f16_f8_codelet" target=ipu21 2026-09-07T14:45:40.789175Z 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/70e30ae0b0b246073b931ef79ba9902181a70585983f07a8e4ba3027eab090f2/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/70e30ae0b0b246073b931ef79ba9902181a70585983f07a8e4ba3027eab090f2/kernel.json 2026-09-07T14:45:40.789680Z 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/worker_call.S name="cast_f16_f8_wrapper" target=ipu21 2026-09-07T14:45:40.841393Z 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/a08ab906bc784eab6a88879a80756323aee845811d6c8c431ed4e721b71f4697/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/a08ab906bc784eab6a88879a80756323aee845811d6c8c431ed4e721b71f4697/kernel.json 2026-09-07T14:45:40.841678Z 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=499 success=true 2026-09-07T14:45:40.841967Z 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 2026-09-07T14:45:40.869990Z 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 2026-09-07T14:45:40.870103Z INFO ipu_codegen.package.build{tile_count=64 operations=1}: allocated package support memory linked_end=314416 profile_bytes=32 exchange_table_bytes=96 host_code_bytes=356 generated_code_bytes=376 code_address=314840 standard_ranges=[(409600, 524288)] 2026-09-07T14:45:40.871706Z 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 2026-09-07T14:45:40.872392Z 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 2026-09-07T14:45:40.873270Z 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 2026-09-07T14:45:40.873837Z 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=2 success=true 2026-09-07T14:45:40.880377Z 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=6 success=true 2026-09-07T14:45:40.880447Z INFO ipu_codegen.package.build{tile_count=64 operations=1}: costed final placed program final_cycles=4802 final_exchange=1870 2026-09-07T14:45:40.895352Z 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=2 success=true 2026-09-07T14:45:40.898244Z 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 2026-09-07T14:45:40.968290Z 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=69 success=true 2026-09-07T14:45:40.973851Z INFO writing application package tiles=1472 2026-09-07T14:45:40.981478Z INFO application package written 2026-09-07T14:45:40.982024Z INFO reading application package 2026-09-07T14:45:40.996177Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-07T14:45:40.996516Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-07T14:45:40.996530Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-07T14:45:40.996543Z INFO opening IPU device path="/dev/ipu0" 2026-09-07T14:45:40.996587Z INFO IPU device attached path=/dev/ipu0 2026-09-07T14:45:40.996593Z INFO initializing IPU device 2026-09-07T14:45:41.004979Z INFO IPU device initialized 2026-09-07T14:45:41.004990Z INFO replaying device configuration register_writes=2003 2026-09-07T14:45:41.009378Z INFO loading application tile_count=1472 final_mark=23 2026-09-07T14:45:41.238096Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-07T14:45:41.261503Z INFO starting host exchange session startup_mark=23 2026-09-07T14:45:41.261544Z INFO attaching host exchange pages pages=2 2026-09-07T14:45:41.262230Z INFO host exchange session started 2026-09-07T14:45:41.262252Z INFO invoking streaming host exchange call call="initialize" command=0 phases=2 2026-09-07T14:45:41.262485Z INFO invoking streaming host exchange call call="run" command=0 phases=9 referenceMaximumAbsoluteError=0.025391 numericalTest=PASS package=artifacts/fp8-fast/small/model.ipuexe tiles=1472 hardwareTest=PASS