2026-09-10T21:09:46.753051Z  INFO ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-10T21:09:46.854624Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: screened exchange table geometry expansion_ms=34 expansion_and_footprint_ms=39 estimated_row_bytes=13480 heuristic_row_bytes=15344 geometry_fragments_per_tile=1444 fragment_limit=16384
2026-09-10T21:09:46.855940Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: eliminated unread FP8 cast input padding clears removed=0
2026-09-10T21:09:46.870503Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=20
2026-09-10T21:09:46.870870Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=76
2026-09-10T21:09:46.872862Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=20 elapsed_ms=2 success=true
2026-09-10T21:09:46.874423Z  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
2026-09-10T21:09:46.874520Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=76 elapsed_ms=3 success=true
2026-09-10T21:09:46.875173Z  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
2026-09-10T21:09:46.875178Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:09:46.876822Z  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
2026-09-10T21:09:46.878462Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=37 candidates=16 ordinary_horizon=81 paired_horizon=118 use_paired=false
2026-09-10T21:09:46.884176Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=39 candidates=16 ordinary_horizon=165 paired_horizon=498 use_paired=false
2026-09-10T21:09:46.884243Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:09:46.887062Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=11 success=true
2026-09-10T21:09:46.890055Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=1152
2026-09-10T21:09:46.890228Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:09:46.894932Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:09:46.895743Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=11 success=true
2026-09-10T21:09:46.899221Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=3666
2026-09-10T21:09:46.899335Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=17 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:09:46.899352Z  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
2026-09-10T21:09:46.900022Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=17 tile=31 row_words=123 horizon=281
2026-09-10T21:09:46.901346Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=1152 elapsed_ms=11 success=true
2026-09-10T21:09:46.903584Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=35
2026-09-10T21:09:46.903917Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=35 elapsed_ms=0 success=true
2026-09-10T21:09:46.904610Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=56 candidates=4 ordinary_horizon=69 paired_horizon=99 use_paired=false
2026-09-10T21:09:46.905675Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=58 candidates=4 ordinary_horizon=116 paired_horizon=262 use_paired=false
2026-09-10T21:09:46.906186Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=35
2026-09-10T21:09:46.906495Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=35 elapsed_ms=0 success=true
2026-09-10T21:09:46.907845Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=51 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:09:46.907862Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=51 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:09:46.908072Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=5168
2026-09-10T21:09:46.908542Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=51 tile=31 row_words=123 horizon=281
2026-09-10T21:09:46.913606Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=45 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:09:46.913622Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=45 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:09:46.914320Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=45 tile=31 row_words=123 horizon=281
2026-09-10T21:09:46.918555Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=28 success=true
2026-09-10T21:09:46.920923Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: retrying exchange schedule with incremental instruction-alignment validation transfers=2477
2026-09-10T21:09:46.921723Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=26 success=true
2026-09-10T21:09:46.940377Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=3666 elapsed_ms=41 success=true
2026-09-10T21:09:46.947591Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=2477 elapsed_ms=26 success=true
2026-09-10T21:09:46.950081Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=40 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:09:46.950108Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=40 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:09:46.951903Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=40 tile=7 row_words=233 horizon=444
2026-09-10T21:09:46.964762Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=26 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:09:46.964789Z  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
2026-09-10T21:09:46.966366Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=26 tile=7 row_words=233 horizon=444
2026-09-10T21:09:46.977715Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished incremental instruction-alignment validation transfers=5168 elapsed_ms=69 success=true
2026-09-10T21:09:46.981814Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=59 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:09:46.981838Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=59 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-10T21:09:46.983433Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=59 tile=7 row_words=233 horizon=444
2026-09-10T21:09:46.990807Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1
2026-09-10T21:09:46.990834Z  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
2026-09-10T21:09:46.993464Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=6 row_words=350 horizon=633
2026-09-10T21:09:47.047374Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1
2026-09-10T21:09:47.047397Z  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
2026-09-10T21:09:47.051784Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=10 row_words=420 horizon=742
2026-09-10T21:09:47.053661Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=true
2026-09-10T21:09:47.056183Z  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
2026-09-10T21:09:47.056687Z  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
2026-09-10T21:09:47.123865Z  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=10 success=true
2026-09-10T21:09:47.123891Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: placing generated tile programs linked_end=327388 host_code_base=393216 host_code_bytes=1756 generated_code_bytes=8084 exchange_table_bytes=11056 executable_ranges=[(395040, 524288)]
2026-09-10T21:09:47.123906Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: allocated package support memory linked_end=327388 profile_bytes=0 exchange_table_bytes=11056 host_code_bytes=1756 host_data_bytes=1092 generated_code_bytes=8084 code_address=395040 available_ranges=[(410692, 949168)]
2026-09-10T21:09:47.131068Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=7 success=true
2026-09-10T21:09:47.131347Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-10T21:09:47.131812Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-10T21:09:47.132720Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-10T21:09:47.133144Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-10T21:09:47.133439Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=61
2026-09-10T21:09:47.133862Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-10T21:09:47.133907Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-10T21:09:47.133925Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-10T21:09:47.134080Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-10T21:09:47.134368Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-10T21:09:47.134548Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-10T21:09:47.134743Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-10T21:09:47.134912Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-10T21:09:47.134958Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-10T21:09:47.135105Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-10T21:09:47.135122Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-10T21:09:47.135277Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-10T21:09:47.135345Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65
2026-09-10T21:09:47.135593Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-10T21:09:47.135758Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-10T21:09:47.135768Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-10T21:09:47.135945Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-10T21:09:47.136047Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-10T21:09:47.136352Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67
2026-09-10T21:09:47.136380Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-10T21:09:47.136684Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-10T21:09:47.136715Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-10T21:09:47.136881Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68
2026-09-10T21:09:47.136918Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-10T21:09:47.137048Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-10T21:09:47.137115Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-10T21:09:47.137438Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-10T21:09:47.137572Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-10T21:09:47.137834Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-10T21:09:47.138195Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-10T21:09:47.138354Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-10T21:09:47.138403Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-10T21:09:47.138936Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=39
2026-09-10T21:09:47.138982Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-10T21:09:47.139554Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-10T21:09:47.140020Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-10T21:09:47.140994Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-10T21:09:47.141669Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-10T21:09:47.142365Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-10T21:09:47.142970Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-10T21:09:47.144334Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-10T21:09:47.144833Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-10T21:09:47.145215Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-10T21:09:47.145548Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-10T21:09:47.145884Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-10T21:09:47.147004Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-10T21:09:47.148229Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-10T21:09:47.148866Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-10T21:09:47.148876Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-10T21:09:47.149317Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=51 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:09:47.149332Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=51 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:09:47.149362Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-10T21:09:47.149975Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=51 tile=31 row_words=123 horizon=281
2026-09-10T21:09:47.150508Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-10T21:09:47.150864Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-10T21:09:47.151196Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-10T21:09:47.151826Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-10T21:09:47.152335Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-10T21:09:47.152448Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-10T21:09:47.152694Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-10T21:09:47.153004Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-10T21:09:47.153457Z  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
2026-09-10T21:09:47.153474Z  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
2026-09-10T21:09:47.154469Z  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
2026-09-10T21:09:47.167058Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-10T21:09:47.167486Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=1152 maximum_identical_destinations=1
2026-09-10T21:09:47.167501Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=281 selected_horizon=281 endpoint_lower_bound=128 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:09:47.168163Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=31 row_words=123 horizon=281
2026-09-10T21:09:47.185380Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-10T21:09:47.186275Z  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
2026-09-10T21:09:47.186287Z  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
2026-09-10T21:09:47.186827Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-10T21:09:47.187704Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:09:47.187719Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:09:47.187847Z  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
2026-09-10T21:09:47.189325Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=7 row_words=233 horizon=444
2026-09-10T21:09:47.192274Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-10T21:09:47.193130Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=40 transfers=2477 maximum_identical_destinations=1
2026-09-10T21:09:47.193140Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=40 initial_horizon=444 selected_horizon=444 endpoint_lower_bound=256 lower_bound_gap=188 selected_kind="reused" neighborhood_improvements=0
2026-09-10T21:09:47.194705Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=40 tile=7 row_words=233 horizon=444
2026-09-10T21:09:47.202311Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-10T21:09:47.203604Z  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
2026-09-10T21:09:47.203619Z  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
2026-09-10T21:09:47.206187Z  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
2026-09-10T21:09:47.215925Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=1
2026-09-10T21:09:47.217784Z  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
2026-09-10T21:09:47.217843Z  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
2026-09-10T21:09:47.222291Z  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
2026-09-10T21:09:47.223264Z  INFO ipu_codegen.package.phase{phase="select_finalist"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=92 success=true
2026-09-10T21:09:47.333812Z  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=110 success=true
2026-09-10T21:09:47.334112Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: costed final placed program final_cycles=144700 final_exchange=57036
2026-09-10T21:09:47.375667Z  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
2026-09-10T21:09:47.398514Z  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=22 success=true
2026-09-10T21:09:47.636923Z  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=231 success=true
2026-09-10T21:09:47.643120Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: validated canonical baseline cycles=144700
2026-09-10T21:09:47.646891Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=893 success=true
2026-09-10T21:09:47.653000Z  INFO writing application package tiles=1472
2026-09-10T21:09:47.668810Z  INFO application package written
2026-09-10T21:09:47.669414Z  INFO reading application package
2026-09-10T21:09:47.691391Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-10T21:09:47.691657Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-10T21:09:47.691667Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-10T21:09:47.691678Z  INFO opening IPU device path="/dev/ipu0"
2026-09-10T21:09:47.691705Z  INFO IPU device attached path=/dev/ipu0
2026-09-10T21:09:47.691709Z  INFO initializing IPU device
2026-09-10T21:09:47.699491Z  INFO IPU device initialized
2026-09-10T21:09:47.699520Z  INFO replaying device configuration register_writes=2003
2026-09-10T21:09:47.703815Z  INFO loading application tile_count=1472 final_mark=23
2026-09-10T21:09:47.881953Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-10T21:09:47.977606Z  INFO starting host exchange session startup_mark=23
2026-09-10T21:09:47.977635Z  INFO attaching host exchange pages pages=2
2026-09-10T21:09:47.978287Z  INFO host exchange session started
2026-09-10T21:09:47.978300Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=62
2026-09-10T21:09:47.991909Z  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=3 tensors=1 samples=256 maximumAbsoluteError=0.003906
checkpoint=4 operation=4 tensors=1 samples=256 maximumAbsoluteError=0.012207
checkpoint=5 operation=5 tensors=1 samples=256 maximumAbsoluteError=0.012207
checkpoint=6 operation=6 tensors=1 samples=256 maximumAbsoluteError=0.013672
checkpoint=7 operation=7 tensors=1 samples=256 maximumAbsoluteError=0.011963
checkpoint=8 operation=8 tensors=1 samples=256 maximumAbsoluteError=0.011230
checkpoint=9 operation=12 tensors=1 samples=256 maximumAbsoluteError=0.007996
checkpoint=10 operation=13 tensors=1 samples=256 maximumAbsoluteError=0.007996
checkpoint=11 operation=14 tensors=1 samples=256 maximumAbsoluteError=0.036133
checkpoint=12 operation=15 tensors=1 samples=256 maximumAbsoluteError=0.036133
checkpoint=13 operation=16 tensors=1 samples=256 maximumAbsoluteError=0.036133
checkpoint=14 operation=17 tensors=1 samples=256 maximumAbsoluteError=0.040527
checkpoint=15 operation=18 tensors=1 samples=256 maximumAbsoluteError=0.093994
checkpoint=16 operation=19 tensors=1 samples=256 maximumAbsoluteError=0.093994
checkpoint=17 operation=20 tensors=1 samples=256 maximumAbsoluteError=0.070312
checkpoint=18 operation=21 tensors=1 samples=256 maximumAbsoluteError=0.067871
checkpoint=19 operation=22 tensors=1 samples=256 maximumAbsoluteError=0.067871
checkpoint=20 operation=23 tensors=1 samples=256 maximumAbsoluteError=0.073730
checkpoint=21 operation=24 tensors=1 samples=256 maximumAbsoluteError=0.073364
checkpoint=22 operation=25 tensors=1 samples=256 maximumAbsoluteError=0.104004
checkpoint=23 operation=26 tensors=1 samples=256 maximumAbsoluteError=0.104004
checkpoint=24 operation=27 tensors=1 samples=144 maximumAbsoluteError=0.000122
checkpoint=25 operation=28 tensors=1 samples=144 maximumAbsoluteError=0.000122
checkpoint=26 operation=29 tensors=1 samples=256 maximumAbsoluteError=0.104004
checkpoint=27 operation=30 tensors=1 samples=256 maximumAbsoluteError=0.099121
checkpoint=28 operation=34 tensors=1 samples=144 maximumAbsoluteError=0.050781
checkpoint=29 operation=35 tensors=1 samples=144 maximumAbsoluteError=0.050781
checkpoint=30 operation=36 tensors=1 samples=144 maximumAbsoluteError=0.080078
checkpoint=31 operation=37 tensors=1 samples=144 maximumAbsoluteError=0.080078
checkpoint=32 operation=38 tensors=1 samples=144 maximumAbsoluteError=0.122070
checkpoint=33 operation=39 tensors=1 samples=256 maximumAbsoluteError=0.111694
checkpoint=34 operation=40 tensors=1 samples=256 maximumAbsoluteError=0.111694
checkpoint=35 operation=41 tensors=1 samples=256 maximumAbsoluteError=0.091797
checkpoint=36 operation=42 tensors=1 samples=144 maximumAbsoluteError=0.066406
checkpoint=37 operation=43 tensors=1 samples=144 maximumAbsoluteError=0.066406
checkpoint=38 operation=44 tensors=1 samples=144 maximumAbsoluteError=0.087891
diagnosticCheckpoints=39 sampleLimit=256 numericalTest=PASS
package=artifacts/baseline-local-planner/small-r2/one-layer-diagnostic.ipuexe tiles=1472 hardwareTest=PASS