2026-09-06T17:25:23.740064Z INFO retained operator-plan finalist finalist=0 values=11 operations=7 estimated_cycles=518890 estimated_exchange_cycles=217560 exchange_row_bytes=44628 peak_standard_bytes=351828 peak_interleaved_bytes=53248 peak_total_bytes=396884 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[] 2026-09-06T17:25:23.760182Z INFO retained operator-plan finalist finalist=1 values=11 operations=7 estimated_cycles=518890 estimated_exchange_cycles=217560 exchange_row_bytes=44628 peak_standard_bytes=339540 peak_interleaved_bytes=61056 peak_total_bytes=396884 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 460, 1472} padding_group_counts={} conversion_sources=[] 2026-09-06T17:25:23.780174Z INFO retained operator-plan finalist finalist=2 values=11 operations=7 estimated_cycles=520027 estimated_exchange_cycles=219000 exchange_row_bytes=44952 peak_standard_bytes=183448 peak_interleaved_bytes=53248 peak_total_bytes=220120 maximum_standard_allocation_bytes=98304 active_tile_counts={192, 480, 1472} padding_group_counts={16} conversion_sources=[] 2026-09-06T17:25:23.783677Z INFO retained operator-plan finalist finalist=3 values=12 operations=8 estimated_cycles=631297 estimated_exchange_cycles=223920 exchange_row_bytes=46452 peak_standard_bytes=128372 peak_interleaved_bytes=346112 peak_total_bytes=425332 maximum_standard_allocation_bytes=49152 active_tile_counts={192, 360, 1440, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(2))] 2026-09-06T17:25:23.886775Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=2152 success=true 2026-09-06T17:25:44.490665Z INFO screened tile mappings by exchange resource load candidates=89 baseline_cycles=82592 candidate_cycles=82592 baseline_pressure=76444 candidate_pressure=76444 2026-09-06T17:25:44.623259Z INFO modelled expanded operator plan finalist=0 modelled_cycles=420094 estimated_cycles=489206 estimated_exchange_cycles=164304 2026-09-06T17:25:44.743067Z INFO screened tile mappings by exchange resource load candidates=89 baseline_cycles=82592 candidate_cycles=82592 baseline_pressure=76444 candidate_pressure=76444 2026-09-06T17:25:44.881637Z INFO modelled expanded operator plan finalist=1 modelled_cycles=412462 estimated_cycles=481574 estimated_exchange_cycles=164304 2026-09-06T17:25:55.034090Z INFO screened tile mappings by exchange resource load candidates=125 baseline_cycles=83520 candidate_cycles=83520 baseline_pressure=77632 candidate_pressure=77632 2026-09-06T17:25:55.253457Z INFO modelled expanded operator plan finalist=3 modelled_cycles=504382 estimated_cycles=643678 estimated_exchange_cycles=233016 2026-09-06T17:26:00.330693Z INFO screened tile mappings by exchange resource load candidates=123 baseline_cycles=82368 candidate_cycles=82368 baseline_pressure=77046 candidate_pressure=77046 2026-09-06T17:26:00.638065Z INFO modelled expanded operator plan finalist=2 modelled_cycles=735835 estimated_cycles=1172227 estimated_exchange_cycles=531360 2026-09-06T17:26:00.672282Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:00.672348Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:00.673546Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:00.708024Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:00.708079Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=3 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:00.709168Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=3 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:00.739377Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:00.739415Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:00.740522Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:02.015397Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1 2026-09-06T17:26:02.015471Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=6 initial_horizon=1702 selected_horizon=1702 endpoint_lower_bound=928 lower_bound_gap=774 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:02.032859Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=6 tile=380 row_words=125 horizon=1702 2026-09-06T17:26:15.656339Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=62630 maximum_identical_destinations=1 2026-09-06T17:26:15.656404Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=4115 selected_horizon=4115 endpoint_lower_bound=928 lower_bound_gap=3187 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:15.728978Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=190 row_words=581 horizon=4115 2026-09-06T17:26:16.017788Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=4272 maximum_identical_destinations=1 2026-09-06T17:26:16.017835Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=3913 selected_horizon=3913 endpoint_lower_bound=3072 lower_bound_gap=841 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:16.028972Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=60 row_words=84 horizon=3913 2026-09-06T17:26:18.711771Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=1 mapped=false analytical_cycles=481574 analytical_exchange_cycles=164304 scheduled_exchange_cycles=101736 refined_cycles=419006 2026-09-06T17:26:19.085128Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=1 mapped=false 2026-09-06T17:26:19.085184Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=55198 success=true 2026-09-06T17:26:19.085259Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}: lowered graph for package construction logical_shards=136188 exchange_phases=21 2026-09-06T17:26:19.086441Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=1 success=true 2026-09-06T17:26:19.099618Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=13 success=true 2026-09-06T17:26:19.101036Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=1 success=true 2026-09-06T17:26:19.102511Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true 2026-09-06T17:26:20.801890Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=19 success=true 2026-09-06T17:26:20.801952Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}: allocated package support memory linked_end=323060 profile_bytes=364 exchange_table_bytes=5568 host_code_bytes=4744 generated_code_bytes=4364 code_address=414344 standard_ranges=[(425984, 524288)] 2026-09-06T17:26:21.333339Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=531 success=true 2026-09-06T17:26:21.338330Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0 2026-09-06T17:26:21.348479Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1 2026-09-06T17:26:21.349126Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:21.349137Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:21.350183Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:21.355451Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2 2026-09-06T17:26:21.365903Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3 2026-09-06T17:26:21.366549Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:21.366575Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:21.367629Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:21.372231Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4 2026-09-06T17:26:21.382745Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5 2026-09-06T17:26:21.383348Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:21.383360Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:21.384397Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:21.725407Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6 2026-09-06T17:26:21.731772Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1 2026-09-06T17:26:21.731793Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=1702 selected_horizon=1702 endpoint_lower_bound=928 lower_bound_gap=774 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:21.740908Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=380 row_words=125 horizon=1702 2026-09-06T17:26:27.603436Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7 2026-09-06T17:26:27.630819Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=62630 maximum_identical_destinations=1 2026-09-06T17:26:27.630839Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=4115 selected_horizon=4115 endpoint_lower_bound=928 lower_bound_gap=3187 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:27.695576Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=190 row_words=581 horizon=4115 2026-09-06T17:26:27.825600Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8 2026-09-06T17:26:27.833434Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=4272 maximum_identical_destinations=1 2026-09-06T17:26:27.833454Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=3913 selected_horizon=3913 endpoint_lower_bound=3072 lower_bound_gap=841 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:27.844222Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=60 row_words=84 horizon=3913 2026-09-06T17:26:27.869939Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9 2026-09-06T17:26:27.967939Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10 2026-09-06T17:26:28.086816Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11 2026-09-06T17:26:28.225730Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12 2026-09-06T17:26:28.362355Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13 2026-09-06T17:26:28.482081Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14 2026-09-06T17:26:28.596886Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15 2026-09-06T17:26:28.713175Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16 2026-09-06T17:26:28.828335Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17 2026-09-06T17:26:28.941615Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18 2026-09-06T17:26:29.058458Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19 2026-09-06T17:26:29.173930Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20 2026-09-06T17:26:29.191289Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=7857 success=true 2026-09-06T17:26:33.655815Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0 2026-09-06T17:26:33.665433Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1 2026-09-06T17:26:33.665995Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:33.666013Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:33.667028Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:33.671115Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=2 2026-09-06T17:26:33.680430Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3 2026-09-06T17:26:33.680969Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:33.680977Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:33.682262Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:33.692921Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4 2026-09-06T17:26:33.702461Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=5 2026-09-06T17:26:33.702990Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=5 transfers=1334 maximum_identical_destinations=1 2026-09-06T17:26:33.702999Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=5 initial_horizon=2913 selected_horizon=2913 endpoint_lower_bound=2784 lower_bound_gap=129 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:33.703987Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=5 tile=367 row_words=11 horizon=2913 2026-09-06T17:26:34.237571Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=6 2026-09-06T17:26:34.246171Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=6 transfers=18209 maximum_identical_destinations=1 2026-09-06T17:26:34.246188Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=6 initial_horizon=1702 selected_horizon=1702 endpoint_lower_bound=928 lower_bound_gap=774 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:34.261390Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=6 tile=380 row_words=125 horizon=1702 2026-09-06T17:26:40.073510Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=7 2026-09-06T17:26:40.101902Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=7 transfers=62630 maximum_identical_destinations=1 2026-09-06T17:26:40.101931Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=7 initial_horizon=4115 selected_horizon=4115 endpoint_lower_bound=928 lower_bound_gap=3187 selected_kind="reused" neighborhood_improvements=0 2026-09-06T17:26:40.166783Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=7 tile=190 row_words=581 horizon=4115 2026-09-06T17:26:40.524312Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=8 transfers=4272 maximum_identical_destinations=1 2026-09-06T17:26:40.524345Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=8 initial_horizon=3890 selected_horizon=3890 endpoint_lower_bound=3072 lower_bound_gap=818 selected_kind="full-duplex" neighborhood_improvements=0 2026-09-06T17:26:40.535168Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=8 tile=60 row_words=83 horizon=3890 2026-09-06T17:26:40.559541Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=9 2026-09-06T17:26:40.660898Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=10 2026-09-06T17:26:40.775954Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=11 2026-09-06T17:26:40.890823Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=12 2026-09-06T17:26:41.007187Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=13 2026-09-06T17:26:41.125731Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=14 2026-09-06T17:26:41.260813Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=15 2026-09-06T17:26:41.390632Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=16 2026-09-06T17:26:41.502817Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=17 2026-09-06T17:26:41.625613Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=18 2026-09-06T17:26:41.736753Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=19 2026-09-06T17:26:41.853124Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=20 2026-09-06T17:26:41.898186Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement finalist offset=20480 baseline_score=22092996608 score=12477554688 baseline_cycles=89136 candidate_cycles=89113 row_bytes=5568 row_capacity=16320 accepted=true 2026-09-06T17:26:41.927860Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=12736 success=true 2026-09-06T17:26:41.946180Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}: costed final placed program final_cycles=418983 final_exchange=101713 2026-09-06T17:26:42.664340Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=56 success=true 2026-09-06T17:26:42.711868Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=47 success=true 2026-09-06T17:26:42.944220Z INFO ipu_codegen.package.build{tile_count=1472 operations=7}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=215 success=true 2026-09-06T17:26:43.114692Z INFO writing application package tiles=1472 2026-09-06T17:26:43.222729Z INFO application package written exchangeSchedule=/dev/null tiles=1472 phases=21 transfers=94007