2026-09-10T21:12:32.031507Z  INFO ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-10T21:12:32.129769Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: screened exchange table geometry expansion_ms=34 expansion_and_footprint_ms=40 estimated_row_bytes=14096 heuristic_row_bytes=15888 geometry_fragments_per_tile=1373 fragment_limit=16384
2026-09-10T21:12:32.148151Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=20
2026-09-10T21:12:32.148265Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=76
2026-09-10T21:12:32.151988Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=20 elapsed_ms=3 success=true
2026-09-10T21:12:32.153790Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=76 elapsed_ms=5 success=true
2026-09-10T21:12:32.154095Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:12:32.155157Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=7 candidates=16 ordinary_horizon=81 paired_horizon=118 use_paired=false
2026-09-10T21:12:32.156828Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=38 candidates=16 ordinary_horizon=81 paired_horizon=118 use_paired=false
2026-09-10T21:12:32.157031Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:12:32.167643Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:12:32.168357Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=57 candidates=4 ordinary_horizon=69 paired_horizon=99 use_paired=false
2026-09-10T21:12:32.168690Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=40 candidates=16 ordinary_horizon=165 paired_horizon=498 use_paired=false
2026-09-10T21:12:32.170039Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=59 candidates=4 ordinary_horizon=116 paired_horizon=262 use_paired=false
2026-09-10T21:12:32.181908Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=27 success=true
2026-09-10T21:12:32.183008Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=25 success=true
2026-09-10T21:12:32.183478Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=35
2026-09-10T21:12:32.183788Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=35 elapsed_ms=0 success=true
2026-09-10T21:12:32.185986Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=18 success=true
2026-09-10T21:12:32.190395Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=17 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.190429Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=17 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.190851Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:12:32.191030Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=17 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.193073Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:12:32.195639Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=52 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.195676Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=52 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.195887Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=3666
2026-09-10T21:12:32.196380Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=52 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.197191Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=23 candidates=16 ordinary_horizon=81 paired_horizon=118 use_paired=false
2026-09-10T21:12:32.198982Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=35
2026-09-10T21:12:32.199294Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=35 elapsed_ms=0 success=true
2026-09-10T21:12:32.200225Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:12:32.201073Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=25 candidates=16 ordinary_horizon=165 paired_horizon=498 use_paired=false
2026-09-10T21:12:32.205506Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=46 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.205548Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=46 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.206488Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=46 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.209797Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=18 success=true
2026-09-10T21:12:32.221785Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=5168
2026-09-10T21:12:32.230218Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=60 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.230249Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=60 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.231345Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=60 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.237080Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=43 success=true
2026-09-10T21:12:32.238463Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=3666 elapsed_ms=42 success=true
2026-09-10T21:12:32.244419Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=44 success=true
2026-09-10T21:12:32.283636Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1
2026-09-10T21:12:32.283673Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=633 selected_horizon=633 endpoint_lower_bound=384 lower_bound_gap=249 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.285284Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=41 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.285326Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=41 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.286745Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=6 row_words=350 horizon=633
2026-09-10T21:12:32.287886Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=41 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.289012Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=5168 elapsed_ms=67 success=true
2026-09-10T21:12:32.290934Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.290985Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=26 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.293015Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.375167Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1
2026-09-10T21:12:32.375231Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=742 selected_horizon=742 endpoint_lower_bound=384 lower_bound_gap=358 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:12:32.379746Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=10 row_words=420 horizon=742
2026-09-10T21:12:32.382037Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=1 success=true
2026-09-10T21:12:32.384884Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=2 success=true
2026-09-10T21:12:32.385297Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-10T21:12:32.459297Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=13 success=true
2026-09-10T21:12:32.459352Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: placing generated tile programs linked_end=327412 host_code_base=393216 host_code_bytes=972 generated_code_bytes=10368 exchange_table_bytes=11960 executable_ranges=[(394256, 524288)]
2026-09-10T21:12:32.459377Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: allocated package support memory linked_end=327412 profile_bytes=0 exchange_table_bytes=11960 host_code_bytes=972 host_data_bytes=584 generated_code_bytes=10368 code_address=394256 available_ranges=[(410184, 949168)]
2026-09-10T21:12:32.470946Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=11 success=true
2026-09-10T21:12:32.471454Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-10T21:12:32.471718Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-10T21:12:32.471748Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-10T21:12:32.472026Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-10T21:12:32.472271Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-10T21:12:32.472445Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-10T21:12:32.472484Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-10T21:12:32.472770Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-10T21:12:32.472883Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-10T21:12:32.473428Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-10T21:12:32.473833Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-10T21:12:32.474033Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-10T21:12:32.474698Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-10T21:12:32.475394Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-10T21:12:32.475476Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-10T21:12:32.475602Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-10T21:12:32.475646Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-10T21:12:32.475969Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-10T21:12:32.476450Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-10T21:12:32.476766Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-10T21:12:32.476885Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-10T21:12:32.477683Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-10T21:12:32.478322Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-10T21:12:32.479688Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-10T21:12:32.480256Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-10T21:12:32.480312Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-10T21:12:32.480697Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-10T21:12:32.481452Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-10T21:12:32.481655Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-10T21:12:32.482025Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-10T21:12:32.482914Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-10T21:12:32.483039Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-10T21:12:32.483747Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-10T21:12:32.483846Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-10T21:12:32.484014Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-10T21:12:32.484174Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-10T21:12:32.484434Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-10T21:12:32.484742Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-10T21:12:32.484957Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-10T21:12:32.485058Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-10T21:12:32.485251Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-10T21:12:32.485785Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-10T21:12:32.485979Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-10T21:12:32.486455Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-10T21:12:32.486891Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65
2026-09-10T21:12:32.487282Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-10T21:12:32.487897Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67
2026-09-10T21:12:32.488311Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68
2026-09-10T21:12:32.488853Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=69
2026-09-10T21:12:32.489378Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-10T21:12:32.489496Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-10T21:12:32.489843Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=17 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.489856Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=17 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.490075Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-10T21:12:32.490699Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=17 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.490739Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-10T21:12:32.491027Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-10T21:12:32.491150Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-10T21:12:32.491254Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-10T21:12:32.491491Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.491508Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.491555Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-10T21:12:32.491795Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-10T21:12:32.492145Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.492198Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-10T21:12:32.492688Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-10T21:12:32.492905Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-10T21:12:32.493052Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-10T21:12:32.493377Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-10T21:12:32.493475Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-10T21:12:32.494871Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-10T21:12:32.495343Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=46 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:12:32.495358Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=46 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.496006Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=46 tile=31 row_words=123 horizon=281
2026-09-10T21:12:32.518455Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-10T21:12:32.519396Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=41 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.519413Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=41 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.520998Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=41 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.542547Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-10T21:12:32.543064Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-10T21:12:32.543893Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1
2026-09-10T21:12:32.543915Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=633 selected_horizon=633 endpoint_lower_bound=384 lower_bound_gap=249 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.544459Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=26 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.544501Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=26 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.546955Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=6 row_words=350 horizon=633
2026-09-10T21:12:32.547557Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=26 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.552346Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-10T21:12:32.553285Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:12:32.553305Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.554907Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=7 row_words=233 horizon=444
2026-09-10T21:12:32.664663Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-10T21:12:32.668343Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1
2026-09-10T21:12:32.668672Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=742 selected_horizon=742 endpoint_lower_bound=384 lower_bound_gap=358 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:12:32.676447Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=10 row_words=420 horizon=742
2026-09-10T21:12:32.677875Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=206 success=true
2026-09-10T21:12:32.815835Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=137 success=true
2026-09-10T21:12:32.816324Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: costed final placed program final_cycles=144636 final_exchange=57801
2026-09-10T21:12:32.866768Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=14 success=true
2026-09-10T21:12:32.893359Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=26 success=true
2026-09-10T21:12:33.141348Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=238 success=true
2026-09-10T21:12:33.152096Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: validated canonical baseline cycles=144636
2026-09-10T21:12:33.157675Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=1125 success=true
2026-09-10T21:12:33.166424Z  INFO writing application package tiles=1472
2026-09-10T21:12:33.188886Z  INFO application package written
2026-09-10T21:12:33.189691Z  INFO reading application package
2026-09-10T21:12:33.219927Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-10T21:12:33.220343Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-10T21:12:33.220361Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-10T21:12:33.220368Z  INFO opening IPU device path="/dev/ipu0"
2026-09-10T21:12:33.220406Z  INFO IPU device attached path=/dev/ipu0
2026-09-10T21:12:33.220412Z  INFO initializing IPU device
2026-09-10T21:12:33.228418Z  INFO IPU device initialized
2026-09-10T21:12:33.228431Z  INFO replaying device configuration register_writes=2003
2026-09-10T21:12:33.233261Z  INFO loading application tile_count=1472 final_mark=23
2026-09-10T21:12:33.456691Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-10T21:12:33.569311Z  INFO starting host exchange session startup_mark=23
2026-09-10T21:12:33.569359Z  INFO attaching host exchange pages pages=2
2026-09-10T21:12:33.570085Z  INFO host exchange session started
2026-09-10T21:12:33.570099Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=40
2026-09-10T21:12:33.576218Z  INFO invoking streaming host exchange call call="run" command=0 phases=3
checkpoint=0 operation=0 tensors=1 samples=256 maximumAbsoluteError=0.001953
checkpoint=1 operation=1 tensors=1 samples=256 maximumAbsoluteError=0.001953
checkpoint=2 operation=2 tensors=1 samples=256 maximumAbsoluteError=0.001953
checkpoint=3 operation=24 tensors=1 samples=256 maximumAbsoluteError=0.085449
checkpoint=4 operation=25 tensors=1 samples=256 maximumAbsoluteError=0.076859
checkpoint=5 operation=26 tensors=1 samples=256 maximumAbsoluteError=0.136719
checkpoint=6 operation=27 tensors=1 samples=256 maximumAbsoluteError=0.136719
checkpoint=7 operation=28 tensors=1 samples=144 maximumAbsoluteError=0.000122
checkpoint=8 operation=29 tensors=1 samples=144 maximumAbsoluteError=0.000122
checkpoint=9 operation=30 tensors=1 samples=256 maximumAbsoluteError=0.136719
checkpoint=10 operation=31 tensors=1 samples=256 maximumAbsoluteError=0.144531
checkpoint=11 operation=35 tensors=1 samples=144 maximumAbsoluteError=0.070312
checkpoint=12 operation=36 tensors=1 samples=144 maximumAbsoluteError=0.070312
checkpoint=13 operation=37 tensors=1 samples=144 maximumAbsoluteError=0.080566
checkpoint=14 operation=38 tensors=1 samples=144 maximumAbsoluteError=0.080566
checkpoint=15 operation=39 tensors=1 samples=144 maximumAbsoluteError=0.108887
checkpoint=16 operation=40 tensors=1 samples=256 maximumAbsoluteError=0.125977
checkpoint=17 operation=41 tensors=1 samples=256 maximumAbsoluteError=0.125977
checkpoint=18 operation=42 tensors=1 samples=256 maximumAbsoluteError=0.108398
checkpoint=19 operation=43 tensors=1 samples=144 maximumAbsoluteError=0.095947
checkpoint=20 operation=44 tensors=1 samples=144 maximumAbsoluteError=0.095947
checkpoint=21 operation=45 tensors=1 samples=144 maximumAbsoluteError=0.119873
diagnosticCheckpoints=22 sampleLimit=256 numericalTest=PASS
package=artifacts/baseline-local-planner/small-r2/repeat-one.ipuexe tiles=1472 hardwareTest=PASS