2026-09-26T20:31:40.351827Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_runtime: close time.busy=295µs time.idle=1.68µs
2026-09-26T20:33:32.976497Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=113s time.idle=4.68µs
2026-09-26T20:34:09.141518Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=36.2s time.idle=4.94µs
2026-09-26T20:35:19.459131Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=49.3µs time.idle=2.35µs
2026-09-26T20:35:19.459570Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=271µs time.idle=715ns
2026-09-26T20:35:19.476595Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:19.477547Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=18.0ms time.idle=641ns
2026-09-26T20:35:19.553769Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=0 mid_cycles=208110 low_cycles=192806 elapsed_ms=511
2026-09-26T20:35:20.021440Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=66.2µs time.idle=2.85µs
2026-09-26T20:35:20.021855Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=284µs time.idle=810ns
2026-09-26T20:35:20.037580Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:20.038420Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=16.6ms time.idle=760ns
2026-09-26T20:35:20.109033Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=1 mid_cycles=208918 low_cycles=189662 elapsed_ms=484
2026-09-26T20:35:20.533818Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=48.5µs time.idle=2.08µs
2026-09-26T20:35:20.534125Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=193µs time.idle=671ns
2026-09-26T20:35:20.549675Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:20.550576Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=16.4ms time.idle=591ns
2026-09-26T20:35:20.616045Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=2 mid_cycles=208942 low_cycles=188792 elapsed_ms=440
2026-09-26T20:35:21.074092Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=51.9µs time.idle=2.51µs
2026-09-26T20:35:21.074485Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=250µs time.idle=603ns
2026-09-26T20:35:21.090372Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:21.091139Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=16.6ms time.idle=494ns
2026-09-26T20:35:21.159415Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=3 mid_cycles=209206 low_cycles=189722 elapsed_ms=475
2026-09-26T20:35:21.657559Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=48.6µs time.idle=2.82µs
2026-09-26T20:35:21.657952Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=269µs time.idle=677ns
2026-09-26T20:35:21.676437Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:21.677432Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=19.5ms time.idle=774ns
2026-09-26T20:35:21.759389Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=4 mid_cycles=210004 low_cycles=200112 elapsed_ms=523
2026-09-26T20:35:22.206183Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=58.8µs time.idle=2.51µs
2026-09-26T20:35:22.206595Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=268µs time.idle=854ns
2026-09-26T20:35:22.222131Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:22.223058Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=16.5ms time.idle=769ns
2026-09-26T20:35:22.295783Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=5 mid_cycles=210174 low_cycles=194280 elapsed_ms=462
2026-09-26T20:35:22.791920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=58.6µs time.idle=2.19µs
2026-09-26T20:35:22.792467Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=413µs time.idle=781ns
2026-09-26T20:35:22.810092Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:22.810942Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=18.5ms time.idle=543ns
2026-09-26T20:35:22.892517Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=6 mid_cycles=210812 low_cycles=196968 elapsed_ms=526
2026-09-26T20:35:23.352785Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:group_exchanges: close time.busy=52.3µs time.idle=2.16µs
2026-09-26T20:35:23.353179Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:merge_copies: close time.busy=277µs time.idle=739ns
2026-09-26T20:35:23.369683Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:23.370659Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:eliminate: close time.busy=17.5ms time.idle=811ns
2026-09-26T20:35:23.443739Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: costed planning finalist rank=7 mid_cycles=210836 low_cycles=196536 elapsed_ms=476
2026-09-26T20:35:23.478040Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: close time.busy=223s time.idle=1.17µs
2026-09-26T20:35:23.830897Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:group_exchanges: close time.busy=53.2µs time.idle=2.36µs
2026-09-26T20:35:23.831237Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:merge_copies: close time.busy=224µs time.idle=507ns
2026-09-26T20:35:23.845797Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:eliminate: eliminated padding clears using kernel access contracts removed=0
2026-09-26T20:35:23.846688Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:eliminate: close time.busy=15.4ms time.idle=875ns
2026-09-26T20:35:23.875565Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:place_provisional_storage: close time.busy=28.5ms time.idle=805ns
2026-09-26T20:35:24.064839Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=18186
2026-09-26T20:35:24.125351Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=30477
2026-09-26T20:35:24.339634Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: finished incremental instruction-alignment validation transfers=18186 elapsed_ms=274 success=true
2026-09-26T20:35:24.659612Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: finished incremental instruction-alignment validation transfers=30477 elapsed_ms=534 success=true
2026-09-26T20:35:24.693476Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=0 transfers=18186 maximum_identical_destinations=1
2026-09-26T20:35:24.693497Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=0 initial_horizon=465 selected_horizon=465 endpoint_lower_bound=288 lower_bound_gap=177 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:25.109680Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=3 transfers=30477 maximum_identical_destinations=1
2026-09-26T20:35:25.109704Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=3 initial_horizon=3428 selected_horizon=3428 endpoint_lower_bound=1088 lower_bound_gap=2340 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:25.427172Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=2 transfers=58104 maximum_identical_destinations=1
2026-09-26T20:35:25.427221Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=2 initial_horizon=10320 selected_horizon=8899 endpoint_lower_bound=8640 lower_bound_gap=259 selected_kind="matching-waves" neighborhood_improvements=0
2026-09-26T20:35:25.579919Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=23904
2026-09-26T20:35:26.281360Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=44923
2026-09-26T20:35:26.667709Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=137880
2026-09-26T20:35:28.092469Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: finished incremental instruction-alignment validation transfers=23904 elapsed_ms=2512 success=true
2026-09-26T20:35:29.886775Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: finished incremental instruction-alignment validation transfers=44923 elapsed_ms=3605 success=true
2026-09-26T20:35:30.312143Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: finished incremental instruction-alignment validation transfers=137880 elapsed_ms=3644 success=true
2026-09-26T20:35:33.298186Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: compared ordinary and paired exchange schedules phase=1 candidates=4536 ordinary_horizon=22148 paired_horizon=19365 use_paired=true
2026-09-26T20:35:33.446102Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=1 transfers=23904 maximum_identical_destinations=1
2026-09-26T20:35:33.446133Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=1 initial_horizon=19365 selected_horizon=19365 endpoint_lower_bound=12896 lower_bound_gap=6469 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:33.507861Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=5 transfers=137880 maximum_identical_destinations=1
2026-09-26T20:35:33.507890Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=5 initial_horizon=10231 selected_horizon=10231 endpoint_lower_bound=8784 lower_bound_gap=1447 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:35.199142Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: compared ordinary and paired exchange schedules phase=4 candidates=25555 ordinary_horizon=21065 paired_horizon=25766 use_paired=false
2026-09-26T20:35:35.319014Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: prepared large physical exchange phase phase=4 transfers=44923 maximum_identical_destinations=1
2026-09-26T20:35:35.319032Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: optimized physical exchange schedule phase=4 initial_horizon=21065 selected_horizon=21065 endpoint_lower_bound=20088 lower_bound_gap=977 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:35.388770Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:schedule_provisional_exchanges: close time.busy=11.5s time.idle=4.49µs
2026-09-26T20:35:35.403001Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:plan_kernels: close time.busy=14.2ms time.idle=2.30µs
2026-09-26T20:35:35.403130Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_kernels: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/rearrange_amp_left_f16.S name="rearrange_row_major_to_amp_f16_o0_r12_p12_c48_p48" target="ipu21"
2026-09-26T20:35:35.456020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_kernels: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/f782763fc634cd54b35826b87fdb249a643e921724d2098339421a46d9838f4f/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/f782763fc634cd54b35826b87fdb249a643e921724d2098339421a46d9838f4f/kernel.json
2026-09-26T20:35:35.456425Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_kernels: compiling kernel source=/srv/home/gc-sdk/ipu-stack/crates/ipu-tests/../../device/rearrange_amp_left_f16.S name="rearrange_row_major_to_amp_f16_o0_r9_p10_c48_p48" target="ipu21"
2026-09-26T20:35:35.503332Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_kernels: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/ef20e22d303a3450810fc7cf749319ca5eb816dff2912480100f08dc675ccb53/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/ef20e22d303a3450810fc7cf749319ca5eb816dff2912480100f08dc675ccb53/kernel.json
2026-09-26T20:35:35.505579Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_kernels: close time.busy=103ms time.idle=2.29µs
2026-09-26T20:35:35.505862Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:link_runtime: close time.busy=166µs time.idle=1.54µs
2026-09-26T20:35:35.571979Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: exchange table and repeat patch storage exchange_table_bytes=9232 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0
2026-09-26T20:35:35.705936Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:size_tile_code: close time.busy=6.75ms time.idle=1.91µs
2026-09-26T20:35:35.705954Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: placing generated tile programs linked_end=315224 host_code_base=376832 host_code_bytes=644 generated_code_bytes=940 exchange_table_bytes=9232 executable_ranges=[(377544, 524288)]
2026-09-26T20:35:35.705984Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: allocated package support memory linked_end=315224 profile_bytes=68 exchange_table_bytes=9232 host_code_bytes=644 host_data_bytes=440 generated_code_bytes=940 code_address=377544 available_ranges=[(327680, 360448), (362648, 376832), (409600, 949168)]
2026-09-26T20:35:35.746069Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:place_storage: close time.busy=31.5ms time.idle=1.44µs
2026-09-26T20:35:36.063446Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: reused exchange optimization after validating relocated rows phase=0
2026-09-26T20:35:36.069625Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=0 transfers=18186 maximum_identical_destinations=1
2026-09-26T20:35:36.069642Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=0 initial_horizon=465 selected_horizon=465 endpoint_lower_bound=288 lower_bound_gap=177 selected_kind="reused" neighborhood_improvements=0
2026-09-26T20:35:36.203109Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: reused exchange optimization after validating relocated rows phase=2
2026-09-26T20:35:36.225967Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=2 transfers=58104 maximum_identical_destinations=1
2026-09-26T20:35:36.225985Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=2 initial_horizon=8899 selected_horizon=8899 endpoint_lower_bound=8640 lower_bound_gap=259 selected_kind="reused" neighborhood_improvements=0
2026-09-26T20:35:36.449341Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: reused exchange optimization after validating relocated rows phase=3
2026-09-26T20:35:36.459460Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=3 transfers=30477 maximum_identical_destinations=1
2026-09-26T20:35:36.459475Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=3 initial_horizon=3428 selected_horizon=3428 endpoint_lower_bound=1088 lower_bound_gap=2340 selected_kind="reused" neighborhood_improvements=0
2026-09-26T20:35:38.487256Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: reused exchange optimization after validating relocated rows phase=5
2026-09-26T20:35:38.538648Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=5 transfers=137880 maximum_identical_destinations=1
2026-09-26T20:35:38.538666Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=5 initial_horizon=10231 selected_horizon=10231 endpoint_lower_bound=8784 lower_bound_gap=1447 selected_kind="reused" neighborhood_improvements=0
2026-09-26T20:35:39.350371Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=23904
2026-09-26T20:35:41.836292Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: finished incremental instruction-alignment validation transfers=23904 elapsed_ms=2485 success=true
2026-09-26T20:35:42.268646Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: retrying exchange schedule with incremental instruction-alignment validation transfers=44923
2026-09-26T20:35:45.785565Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: finished incremental instruction-alignment validation transfers=44923 elapsed_ms=3516 success=true
2026-09-26T20:35:46.969196Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: compared ordinary and paired exchange schedules phase=1 candidates=4536 ordinary_horizon=22926 paired_horizon=19219 use_paired=true
2026-09-26T20:35:47.115166Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=1 transfers=23904 maximum_identical_destinations=1
2026-09-26T20:35:47.115190Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=1 initial_horizon=19219 selected_horizon=19219 endpoint_lower_bound=12896 lower_bound_gap=6323 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:52.789281Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: compared ordinary and paired exchange schedules phase=4 candidates=25555 ordinary_horizon=21039 paired_horizon=26102 use_paired=false
2026-09-26T20:35:52.968989Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: prepared large physical exchange phase phase=4 transfers=44923 maximum_identical_destinations=1
2026-09-26T20:35:52.969014Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: optimized physical exchange schedule phase=4 initial_horizon=21039 selected_horizon=21039 endpoint_lower_bound=20088 lower_bound_gap=951 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-26T20:35:53.075123Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:lower_exchanges: close time.busy=17.3s time.idle=4.40µs
2026-09-26T20:35:53.078896Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: costed final placed program final_cycles=192513 final_exchange=66881
2026-09-26T20:35:53.188939Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:prepare_tile_code: close time.busy=9.68ms time.idle=2.64µs
2026-09-26T20:35:53.201096Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:emit_tile_code: close time.busy=12.1ms time.idle=1.79µs
2026-09-26T20:35:53.296899Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:build_tile_images: close time.busy=89.9ms time.idle=2.26µs
2026-09-26T20:35:53.356773Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: close time.busy=253s time.idle=4.24µs
2026-09-26T20:35:53.360684Z  INFO writing application package tiles=1472
2026-09-26T20:35:53.418515Z  INFO application package written
2026-09-26T20:35:53.418551Z  INFO reading application package
2026-09-26T20:35:53.505988Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-26T20:35:53.506049Z  INFO waiting for hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-26T20:35:53.506057Z  INFO acquired hardware ownership path=/tmp/ipu-stack-device.lock
2026-09-26T20:35:53.506061Z  INFO opening IPU device path="/dev/ipu0"
2026-09-26T20:35:53.506091Z  INFO IPU device attached path=/dev/ipu0
2026-09-26T20:35:53.506094Z  INFO initializing IPU device
2026-09-26T20:35:53.514177Z  INFO IPU device initialized
2026-09-26T20:35:53.514183Z  INFO replaying device configuration register_writes=2003
2026-09-26T20:35:53.519476Z  INFO loading application tile_count=1472 final_mark=23
2026-09-26T20:35:53.703978Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-26T20:35:54.141236Z  INFO prepared reference inputs elapsed_ms=434
2026-09-26T20:35:54.153987Z  INFO configured host reference BLAS threads=4
referencePrecision=device
2026-09-26T20:35:54.274007Z  INFO evaluated host reference elapsed_ms=132
2026-09-26T20:35:54.275749Z  INFO starting host exchange session startup_mark=23
2026-09-26T20:35:54.275761Z  INFO attaching host exchange pages pages=2
2026-09-26T20:35:54.278746Z  INFO host exchange session started
2026-09-26T20:35:54.278779Z  INFO invoking host exchange call call="initialize" command=0 phases=8
2026-09-26T20:35:54.285545Z  INFO invoking host exchange call call="run" command=0 phases=11
profile=artifacts/copy-ldst-20260926/f16.capnp tiles=1472 samples=18515
referenceInference=1 numericalTest=PASS
referenceMaximumAbsoluteError=0.001465 numericalTest=PASS
package=artifacts/copy-ldst-20260926/f16.ipuexe tiles=1472 hardwareTest=PASS