2026-09-11T08:35:17.962756Z  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
2026-09-11T08:35:18.078551Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=45 expansion_and_footprint_ms=49 estimated_row_bytes=12752 heuristic_row_bytes=33880 geometry_fragments_per_tile=1276 fragment_limit=16384
2026-09-11T08:35:18.094270Z  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
2026-09-11T08:35:18.096636Z  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
2026-09-11T08:35:18.097421Z  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
2026-09-11T08:35:18.098457Z  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
2026-09-11T08:35:18.103219Z  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
2026-09-11T08:35:18.104157Z  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
2026-09-11T08:35:18.104935Z  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
2026-09-11T08:35:18.109349Z  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
2026-09-11T08:35:18.109375Z  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
2026-09-11T08:35:18.110065Z  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
2026-09-11T08:35:18.118232Z  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
2026-09-11T08:35:18.118264Z  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
2026-09-11T08:35:18.119014Z  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
2026-09-11T08:35:18.119979Z  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
2026-09-11T08:35:18.120008Z  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
2026-09-11T08:35:18.120494Z  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
2026-09-11T08:35:18.134695Z  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
2026-09-11T08:35:18.134713Z  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
2026-09-11T08:35:18.136248Z  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
2026-09-11T08:35:18.157574Z  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
2026-09-11T08:35:18.157602Z  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
2026-09-11T08:35:18.159435Z  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
2026-09-11T08:35:18.176243Z  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
2026-09-11T08:35:18.176270Z  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
2026-09-11T08:35:18.178731Z  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
2026-09-11T08:35:18.190000Z  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
2026-09-11T08:35:18.190027Z  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
2026-09-11T08:35:18.192479Z  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
2026-09-11T08:35:18.215504Z  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
2026-09-11T08:35:18.215535Z  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
2026-09-11T08:35:18.217363Z  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
2026-09-11T08:35:18.219536Z  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
2026-09-11T08:35:18.223940Z  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=4 success=true
2026-09-11T08:35:18.224691Z  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
2026-09-11T08:35:18.261144Z  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
2026-09-11T08:35:18.380452Z  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=23 success=true
2026-09-11T08:35:18.380501Z  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)]
2026-09-11T08:35:18.380524Z  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)]
2026-09-11T08:35:18.393479Z  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=12 success=true
2026-09-11T08:35:18.393763Z  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
2026-09-11T08:35:18.394011Z  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
2026-09-11T08:35:18.394024Z  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
2026-09-11T08:35:18.394422Z  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
2026-09-11T08:35:18.394522Z  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
2026-09-11T08:35:18.394730Z  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
2026-09-11T08:35:18.394999Z  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
2026-09-11T08:35:18.395019Z  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
2026-09-11T08:35:18.395694Z  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
2026-09-11T08:35:18.395688Z  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
2026-09-11T08:35:18.396306Z  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
2026-09-11T08:35:18.396517Z  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
2026-09-11T08:35:18.396670Z  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
2026-09-11T08:35:18.396706Z  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
2026-09-11T08:35:18.396769Z  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
2026-09-11T08:35:18.397035Z  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
2026-09-11T08:35:18.397111Z  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
2026-09-11T08:35:18.397234Z  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
2026-09-11T08:35:18.397253Z  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
2026-09-11T08:35:18.397767Z  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
2026-09-11T08:35:18.397948Z  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
2026-09-11T08:35:18.398121Z  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
2026-09-11T08:35:18.398366Z  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
2026-09-11T08:35:18.399114Z  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
2026-09-11T08:35:18.399595Z  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
2026-09-11T08:35:18.400053Z  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
2026-09-11T08:35:18.400461Z  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
2026-09-11T08:35:18.401113Z  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
2026-09-11T08:35:18.401542Z  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
2026-09-11T08:35:18.402118Z  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
2026-09-11T08:35:18.402338Z  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
2026-09-11T08:35:18.403138Z  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
2026-09-11T08:35:18.406415Z  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
2026-09-11T08:35:18.406832Z  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
2026-09-11T08:35:18.406838Z  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
2026-09-11T08:35:18.407311Z  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
2026-09-11T08:35:18.407872Z  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
2026-09-11T08:35:18.408548Z  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
2026-09-11T08:35:18.409120Z  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
2026-09-11T08:35:18.409311Z  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
2026-09-11T08:35:18.409446Z  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
2026-09-11T08:35:18.409510Z  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
2026-09-11T08:35:18.409696Z  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
2026-09-11T08:35:18.409788Z  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
2026-09-11T08:35:18.410099Z  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
2026-09-11T08:35:18.410106Z  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
2026-09-11T08:35:18.410737Z  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
2026-09-11T08:35:18.410810Z  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
2026-09-11T08:35:18.411333Z  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
2026-09-11T08:35:18.411460Z  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
2026-09-11T08:35:18.411886Z  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
2026-09-11T08:35:18.412173Z  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
2026-09-11T08:35:18.413156Z  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
2026-09-11T08:35:18.413583Z  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
2026-09-11T08:35:18.414136Z  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
2026-09-11T08:35:18.414751Z  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
2026-09-11T08:35:18.415309Z  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
2026-09-11T08:35:18.415421Z  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
2026-09-11T08:35:18.415634Z  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
2026-09-11T08:35:18.415653Z  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
2026-09-11T08:35:18.416292Z  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
2026-09-11T08:35:18.416930Z  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
2026-09-11T08:35:18.417428Z  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
2026-09-11T08:35:18.418107Z  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
2026-09-11T08:35:18.418167Z  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
2026-09-11T08:35:18.418494Z  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
2026-09-11T08:35:18.422090Z  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
2026-09-11T08:35:18.422734Z  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
2026-09-11T08:35:18.422756Z  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
2026-09-11T08:35:18.423501Z  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
2026-09-11T08:35:18.432230Z  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
2026-09-11T08:35:18.433092Z  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
2026-09-11T08:35:18.433099Z  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
2026-09-11T08:35:18.434199Z  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
2026-09-11T08:35:18.436315Z  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
2026-09-11T08:35:18.437100Z  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
2026-09-11T08:35:18.437366Z  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
2026-09-11T08:35:18.437385Z  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
2026-09-11T08:35:18.437985Z  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
2026-09-11T08:35:18.437993Z  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
2026-09-11T08:35:18.439139Z  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
2026-09-11T08:35:18.439822Z  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
2026-09-11T08:35:18.439945Z  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
2026-09-11T08:35:18.451393Z  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
2026-09-11T08:35:18.452705Z  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
2026-09-11T08:35:18.452717Z  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
2026-09-11T08:35:18.456187Z  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
2026-09-11T08:35:18.522489Z  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
2026-09-11T08:35:18.525168Z  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
2026-09-11T08:35:18.525197Z  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
2026-09-11T08:35:18.528962Z  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
2026-09-11T08:35:18.532881Z  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=139 success=true
2026-09-11T08:35:18.656162Z  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=123 success=true
2026-09-11T08:35:18.656584Z  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
2026-09-11T08:35:18.726612Z  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=25 success=true
2026-09-11T08:35:18.761494Z  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=34 success=true
2026-09-11T08:35:19.109726Z  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=341 success=true
2026-09-11T08:35:19.118520Z  INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=409563
2026-09-11T08:35:19.122554Z  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=1159 success=true
2026-09-11T08:35:19.131059Z  INFO writing application package tiles=1472
2026-09-11T08:35:19.200447Z  INFO application package written
2026-09-11T08:35:19.204478Z  INFO reading application package
2026-09-11T08:35:19.338815Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-11T08:35:19.342586Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T08:35:19.342605Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T08:35:19.342609Z  INFO opening IPU device path="/dev/ipu0"
2026-09-11T08:35:19.342636Z  INFO IPU device attached path=/dev/ipu0
2026-09-11T08:35:19.342639Z  INFO initializing IPU device
2026-09-11T08:35:19.350388Z  INFO IPU device initialized
2026-09-11T08:35:19.350403Z  INFO replaying device configuration register_writes=2003
2026-09-11T08:35:19.356677Z  INFO loading application tile_count=1472 final_mark=23
2026-09-11T08:35:19.567246Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-11T08:35:19.795813Z  INFO starting host exchange session startup_mark=23
2026-09-11T08:35:19.795846Z  INFO attaching host exchange pages pages=2
2026-09-11T08:35:19.796631Z  INFO host exchange session started
2026-09-11T08:35:19.796650Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=70
2026-09-11T08:35:19.807604Z  INFO invoking streaming host exchange call call="run" command=0 phases=11
referenceMaximumAbsoluteError=0.189453 numericalTest=PASS
package=artifacts/baseline-local-planner/streams256-small-r3/model.ipuexe tiles=1472 hardwareTest=PASS