2026-09-11T08:46:51.200468Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-11T08:46:51.303021Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=27 expansion_and_footprint_ms=31 estimated_row_bytes=12752 heuristic_row_bytes=33880 geometry_fragments_per_tile=1276 fragment_limit=16384
2026-09-11T08:46:51.317463Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=7 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-11T08:46:51.318297Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=28 candidates=8 ordinary_horizon=366 paired_horizon=770 use_paired=false
2026-09-11T08:46:51.319907Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=41 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-11T08:46:51.321184Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=43 candidates=8 ordinary_horizon=366 paired_horizon=770 use_paired=false
2026-09-11T08:46:51.330503Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=26 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false
2026-09-11T08:46:51.333393Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.333427Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.334158Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.335360Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=60 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false
2026-09-11T08:46:51.336130Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=62 candidates=2 ordinary_horizon=150 paired_horizon=203 use_paired=false
2026-09-11T08:46:51.336973Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.337008Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.337499Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.340783Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.340843Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.341604Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.351592Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.351616Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.352647Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.356888Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=29 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.356919Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=29 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.358619Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=29 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.370618Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=63 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.370649Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=63 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.371802Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=63 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.375467Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1
2026-09-11T08:46:51.375513Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=517 selected_horizon=517 endpoint_lower_bound=384 lower_bound_gap=133 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.380054Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=16 row_words=202 horizon=517
2026-09-11T08:46:51.414303Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1
2026-09-11T08:46:51.414338Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=983 selected_horizon=983 endpoint_lower_bound=384 lower_bound_gap=599 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T08:46:51.416823Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=25 row_words=207 horizon=983
2026-09-11T08:46:51.418977Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=1 success=true
2026-09-11T08:46:51.422188Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=3 success=true
2026-09-11T08:46:51.422672Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-11T08:46:51.446957Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=6512 maximum_uncompressed_repeat_patch_bytes=2304 maximum_elided_arithmetic_patch_bytes=2304
2026-09-11T08:46:51.534223Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=28 success=true
2026-09-11T08:46:51.534393Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=384656 host_code_base=384656 host_code_bytes=1892 generated_code_bytes=14160 exchange_table_bytes=6512 executable_ranges=[(377220, 377224), (377988, 377992), (378380, 378384), (378772, 378776), (379468, 379472), (379860, 379864), (381356, 381360), (383684, 383688), (386616, 524288)]
2026-09-11T08:46:51.534456Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=384656 profile_bytes=1048 exchange_table_bytes=6512 host_code_bytes=1892 host_data_bytes=1148 generated_code_bytes=14160 code_address=386616 available_ranges=[(363356, 376832), (425984, 524288), (525336, 949168)]
2026-09-11T08:46:51.550702Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=16 success=true
2026-09-11T08:46:51.551057Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-11T08:46:51.551342Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-11T08:46:51.551468Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-11T08:46:51.551652Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-11T08:46:51.551668Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-11T08:46:51.551720Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-11T08:46:51.551857Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-11T08:46:51.552247Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-11T08:46:51.552594Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-11T08:46:51.552781Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-11T08:46:51.553236Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-11T08:46:51.553414Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-11T08:46:51.553510Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-11T08:46:51.553582Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-11T08:46:51.553690Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-11T08:46:51.553775Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-11T08:46:51.553941Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-11T08:46:51.553989Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-11T08:46:51.554130Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-11T08:46:51.554237Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-11T08:46:51.554503Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-11T08:46:51.554505Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-11T08:46:51.554597Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-11T08:46:51.554743Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-11T08:46:51.555143Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-11T08:46:51.555671Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-11T08:46:51.555820Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-11T08:46:51.556279Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-11T08:46:51.557314Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-11T08:46:51.557927Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-11T08:46:51.558579Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-11T08:46:51.559052Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-11T08:46:51.560057Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-11T08:46:51.560765Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-11T08:46:51.561396Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-11T08:46:51.562389Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-11T08:46:51.562902Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-11T08:46:51.563095Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-11T08:46:51.563240Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-11T08:46:51.563308Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-11T08:46:51.563594Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-11T08:46:51.564007Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68
2026-09-11T08:46:51.564395Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=69
2026-09-11T08:46:51.564988Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=70
2026-09-11T08:46:51.565391Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71
2026-09-11T08:46:51.565921Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72
2026-09-11T08:46:51.566276Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-11T08:46:51.566870Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-11T08:46:51.567256Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-11T08:46:51.567278Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-11T08:46:51.567700Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.567708Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.567741Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-11T08:46:51.568432Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.568526Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-11T08:46:51.568934Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=55 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.568942Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=55 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.569237Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-11T08:46:51.569418Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=55 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.569436Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-11T08:46:51.569801Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-11T08:46:51.569923Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-11T08:46:51.569945Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-11T08:46:51.569984Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-11T08:46:51.570348Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-11T08:46:51.570626Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-11T08:46:51.570640Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67
2026-09-11T08:46:51.570986Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-11T08:46:51.571430Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=1152 maximum_identical_destinations=1
2026-09-11T08:46:51.571442Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.571879Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=43 row_words=72 horizon=294
2026-09-11T08:46:51.584498Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-11T08:46:51.585409Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.585423Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.586574Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.588391Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-11T08:46:51.589312Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=63 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.589326Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=63 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.590472Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=63 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.591111Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-11T08:46:51.592073Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=29 transfers=2477 maximum_identical_destinations=1
2026-09-11T08:46:51.592095Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=29 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.593763Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=29 tile=31 row_words=138 horizon=432
2026-09-11T08:46:51.606761Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-11T08:46:51.608111Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1
2026-09-11T08:46:51.608128Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=517 selected_horizon=517 endpoint_lower_bound=384 lower_bound_gap=133 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.610523Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=16 row_words=202 horizon=517
2026-09-11T08:46:51.686923Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-11T08:46:51.688923Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1
2026-09-11T08:46:51.688941Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=983 selected_horizon=983 endpoint_lower_bound=384 lower_bound_gap=599 selected_kind="reused" neighborhood_improvements=0
2026-09-11T08:46:51.691429Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=25 row_words=207 horizon=983
2026-09-11T08:46:51.692446Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=141 success=true
2026-09-11T08:46:51.834760Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=142 success=true
2026-09-11T08:46:51.835273Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=409563 final_exchange=131467
2026-09-11T08:46:51.909548Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=30 success=true
2026-09-11T08:46:51.954029Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=44 success=true
2026-09-11T08:46:52.321308Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=352 success=true
2026-09-11T08:46:52.330490Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=409563
2026-09-11T08:46:52.335943Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=1135 success=true
2026-09-11T08:46:52.366023Z  INFO writing application package tiles=1472
2026-09-11T08:46:52.438437Z  INFO application package written
2026-09-11T08:46:52.441510Z  INFO reading application package
2026-09-11T08:46:52.629333Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-11T08:46:52.632723Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T08:46:52.632744Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T08:46:52.632750Z  INFO opening IPU device path="/dev/ipu0"
2026-09-11T08:46:52.632790Z  INFO IPU device attached path=/dev/ipu0
2026-09-11T08:46:52.632793Z  INFO initializing IPU device
2026-09-11T08:46:52.640880Z  INFO IPU device initialized
2026-09-11T08:46:52.640899Z  INFO replaying device configuration register_writes=2003
2026-09-11T08:46:52.649447Z  INFO loading application tile_count=1472 final_mark=23
2026-09-11T08:46:52.961621Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-11T08:46:53.152170Z  INFO starting host exchange session startup_mark=23
2026-09-11T08:46:53.152238Z  INFO attaching host exchange pages pages=2
2026-09-11T08:46:53.152998Z  INFO host exchange session started
2026-09-11T08:46:53.153010Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=70
2026-09-11T08:46:53.163798Z  INFO invoking streaming host exchange call call="run" command=0 phases=11
profile=artifacts/baseline-local-planner/bulk-before-small-r3/model.ipuprof tiles=1472 samples=65321
referenceMaximumAbsoluteError=0.189453 numericalTest=PASS
package=artifacts/baseline-local-planner/bulk-before-small-r3/model.ipuexe tiles=1472 hardwareTest=PASS