2026-09-13T12:25:00.771651Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true 2026-09-13T12:25:00.872394Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: loaded mid-plan search state path=artifacts/fp8-pv-batches-20260913/bs2-pv-unprofiled-state.json attempts=98 2026-09-13T12:25:01.859195Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: wrote planner memory profile path=artifacts/fp8-pv-batches-20260913/bs2-pv-unprofiled/memory/baseline-554689-0000.json scope="baseline" peak_step=69 effective_peak_bytes=514680 2026-09-13T12:25:16.062578Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=11758 expansion_and_footprint_ms=14203 estimated_row_bytes=124000 heuristic_row_bytes=349492 geometry_fragments_per_tile=12963 fragment_limit=16384 2026-09-13T12:25:16.209964Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=2768 2026-09-13T12:25:17.070455Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T12:25:17.070497Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.073232Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T12:25:17.155268Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.155316Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.165072Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T12:25:17.235087Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T12:25:17.235121Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.237884Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T12:25:17.262301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T12:25:17.262348Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=37 initial_horizon=22673 selected_horizon=22673 endpoint_lower_bound=18432 lower_bound_gap=4241 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.270857Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.270894Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.277756Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=37 tile=1073 row_words=59 horizon=22673 2026-09-13T12:25:17.281889Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T12:25:17.304449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.304489Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.312003Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T12:25:17.335771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T12:25:17.335815Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.341710Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T12:25:17.366225Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T12:25:17.366271Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.383544Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.383570Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.386171Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.386214Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.387945Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T12:25:17.389617Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T12:25:17.389643Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=963 selected_horizon=963 endpoint_lower_bound=768 lower_bound_gap=195 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.390077Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T12:25:17.392770Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=903 row_words=16 horizon=963 2026-09-13T12:25:17.393287Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T12:25:17.394007Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=30 candidates=18 ordinary_horizon=1892 paired_horizon=1710 use_paired=false 2026-09-13T12:25:17.408829Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=58 candidates=36 ordinary_horizon=1264 paired_horizon=2915 use_paired=false 2026-09-13T12:25:17.422859Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:25:17.422879Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=59 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.425242Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=471 2026-09-13T12:25:17.433639Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:25:17.433655Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.435031Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T12:25:17.438367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=14 candidates=18 ordinary_horizon=1899 paired_horizon=1850 use_paired=false 2026-09-13T12:25:17.450705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=64 candidates=8 ordinary_horizon=73 paired_horizon=134 use_paired=false 2026-09-13T12:25:17.499715Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.499767Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.510313Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T12:25:17.517633Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T12:25:17.517680Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.531609Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T12:25:17.531644Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.540154Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T12:25:17.545009Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=47 candidates=144 ordinary_horizon=193 paired_horizon=444 use_paired=false 2026-09-13T12:25:17.560717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=33 tile=307 row_words=127 horizon=6348 2026-09-13T12:25:17.570984Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:25:17.571051Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=48 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.574973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=471 2026-09-13T12:25:17.587908Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:25:17.587936Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.590193Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T12:25:17.601975Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=65 candidates=72 ordinary_horizon=261 paired_horizon=1391 use_paired=false 2026-09-13T12:25:17.629804Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T12:25:17.629853Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.639253Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=41 candidates=18 ordinary_horizon=1897 paired_horizon=1708 use_paired=false 2026-09-13T12:25:17.674646Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T12:25:17.696417Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.696464Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.696525Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=70 candidates=60 ordinary_horizon=690 paired_horizon=886 use_paired=false 2026-09-13T12:25:17.701557Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T12:25:17.701598Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.704724Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T12:25:17.708352Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T12:25:17.727457Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T12:25:17.727505Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.729106Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T12:25:17.729138Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.733603Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T12:25:17.741681Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T12:25:17.741762Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.746810Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T12:25:17.747648Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T12:25:17.748367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T12:25:17.748387Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.750550Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T12:25:17.752864Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T12:25:17.752946Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.767273Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T12:25:17.782817Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:25:17.782847Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.788471Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T12:25:17.795108Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T12:25:17.795197Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.799691Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T12:25:17.805792Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T12:25:17.805812Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.806625Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T12:25:17.806661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.807468Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T12:25:17.813948Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T12:25:17.974459Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T12:25:17.974508Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:17.988928Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T12:25:18.097670Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T12:25:18.097717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=22 initial_horizon=11805 selected_horizon=11805 endpoint_lower_bound=6832 lower_bound_gap=4973 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:18.125137Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T12:25:18.125175Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=53 initial_horizon=7992 selected_horizon=7992 endpoint_lower_bound=6756 lower_bound_gap=1236 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:18.135155Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=22 tile=247 row_words=347 horizon=11805 2026-09-13T12:25:18.139565Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T12:25:18.139596Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=23 initial_horizon=7168 selected_horizon=7168 endpoint_lower_bound=5632 lower_bound_gap=1536 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:18.143220Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=7992 2026-09-13T12:25:18.165340Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=23 tile=610 row_words=170 horizon=7168 2026-09-13T12:25:19.001025Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T12:25:19.001072Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:19.083373Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T12:25:20.806717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=15825 paired_horizon=30125 use_paired=false 2026-09-13T12:25:20.890861Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:25:20.890908Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=26 initial_horizon=15825 selected_horizon=15825 endpoint_lower_bound=14400 lower_bound_gap=1425 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:20.952123Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=26 tile=382 row_words=358 horizon=15825 2026-09-13T12:25:21.153249Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=28 candidates=9 ordinary_horizon=1572 paired_horizon=1616 use_paired=false 2026-09-13T12:25:21.266253Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T12:25:21.266335Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=28 initial_horizon=1572 selected_horizon=1572 endpoint_lower_bound=1152 lower_bound_gap=420 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:21.340237Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=28 tile=884 row_words=234 horizon=1572 2026-09-13T12:25:24.012370Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T12:25:24.012478Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:24.165895Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T12:25:24.300126Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=39 candidates=9 ordinary_horizon=1611 paired_horizon=1880 use_paired=false 2026-09-13T12:25:24.329132Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T12:25:24.329177Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=21 initial_horizon=10035 selected_horizon=10035 endpoint_lower_bound=8424 lower_bound_gap=1611 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:24.418555Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=21 tile=282 row_words=776 horizon=10035 2026-09-13T12:25:24.419898Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T12:25:24.419931Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=1611 selected_horizon=1611 endpoint_lower_bound=1152 lower_bound_gap=459 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:24.520321Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=165 row_words=341 horizon=1611 2026-09-13T12:25:27.750598Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T12:25:27.750646Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=7061 selected_horizon=7061 endpoint_lower_bound=3328 lower_bound_gap=3733 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:28.062742Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=259 row_words=1570 horizon=7061 2026-09-13T12:25:33.679925Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=26244 ordinary_horizon=9037 paired_horizon=27117 use_paired=false 2026-09-13T12:25:33.948312Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T12:25:33.948352Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=9037 selected_horizon=9037 endpoint_lower_bound=3904 lower_bound_gap=5133 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:34.074373Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=565 row_words=1221 horizon=9037 2026-09-13T12:25:39.426648Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=43 candidates=52488 ordinary_horizon=17185 paired_horizon=89957 use_paired=false 2026-09-13T12:25:40.069039Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:25:40.069095Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=17185 selected_horizon=17185 endpoint_lower_bound=11712 lower_bound_gap=5473 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:40.372512Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=638 row_words=2134 horizon=17185 2026-09-13T12:25:45.413489Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=34 candidates=34 ordinary_horizon=5094 paired_horizon=5211 use_paired=false 2026-09-13T12:25:46.160296Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T12:25:46.160333Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=34 initial_horizon=5094 selected_horizon=5094 endpoint_lower_bound=4304 lower_bound_gap=790 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:46.545767Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=34 tile=374 row_words=749 horizon=5094 2026-09-13T12:25:49.508179Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=16 candidates=52488 ordinary_horizon=27245 paired_horizon=137129 use_paired=false 2026-09-13T12:25:50.286194Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:25:50.286245Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=16 initial_horizon=27245 selected_horizon=27245 endpoint_lower_bound=17568 lower_bound_gap=9677 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:50.585589Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=16 tile=649 row_words=2998 horizon=27245 2026-09-13T12:25:51.649746Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=36 candidates=195372 ordinary_horizon=8729 paired_horizon=64536 use_paired=false 2026-09-13T12:25:52.300950Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T12:25:52.300988Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:25:52.673069Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T12:26:01.108063Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T12:26:01.108107Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=6390 selected_horizon=6390 endpoint_lower_bound=3456 lower_bound_gap=2934 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:01.502365Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=578 row_words=1299 horizon=6390 2026-09-13T12:26:15.283219Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=18 candidates=27 ordinary_horizon=4580 paired_horizon=4463 use_paired=false 2026-09-13T12:26:15.711911Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T12:26:15.712059Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=18 initial_horizon=4580 selected_horizon=4580 endpoint_lower_bound=3456 lower_bound_gap=1124 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:16.039422Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=18 tile=489 row_words=908 horizon=4580 2026-09-13T12:26:16.883090Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=32 candidates=52488 ordinary_horizon=28376 paired_horizon=159477 use_paired=false 2026-09-13T12:26:17.977990Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T12:26:17.978044Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=32 initial_horizon=28376 selected_horizon=28376 endpoint_lower_bound=23424 lower_bound_gap=4952 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:18.498656Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=32 tile=564 row_words=4447 horizon=28376 2026-09-13T12:26:18.637704Z INFO ipu_codegen.package.build{tile_count=1472 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=72 success=true 2026-09-13T12:26:18.642484Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:18.652569Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:20.179863Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=86904 maximum_uncompressed_repeat_patch_bytes=16416 maximum_elided_arithmetic_patch_bytes=16416 2026-09-13T12:26:23.119854Z INFO ipu_codegen.package.build{tile_count=1472 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=163 success=true 2026-09-13T12:26:23.119963Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=386000 host_code_base=386000 host_code_bytes=8940 generated_code_bytes=10700 exchange_table_bytes=86904 executable_ranges=[(377716, 377720), (378604, 378608), (382028, 382032), (384044, 384048), (385020, 385024), (395008, 524288)] 2026-09-13T12:26:23.119993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=386000 profile_bytes=0 exchange_table_bytes=86904 host_code_bytes=8940 host_data_bytes=6168 generated_code_bytes=10700 code_address=395008 available_ranges=[(327680, 360448), (368376, 376832), (507904, 949168)] 2026-09-13T12:26:23.732732Z INFO ipu_codegen.package.build{tile_count=1472 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=612 success=true 2026-09-13T12:26:23.767252Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.769188Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.775913Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.782063Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.782162Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.782594Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T12:26:23.782607Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.782902Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:26:23.782917Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.785548Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T12:26:23.786051Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.786244Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T12:26:23.792401Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.793933Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T12:26:23.793952Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.800922Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T12:26:23.820672Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:26:23.820708Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.825310Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.825452Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=846 2026-09-13T12:26:23.829643Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.830406Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65 2026-09-13T12:26:23.831185Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.833601Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=70 candidates=60 ordinary_horizon=690 paired_horizon=886 use_paired=false 2026-09-13T12:26:23.833671Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T12:26:23.833692Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.835667Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.837492Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T12:26:23.841068Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.860431Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.861355Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T12:26:23.861373Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.865839Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T12:26:23.874583Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.874989Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T12:26:23.874998Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.877098Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T12:26:23.882574Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T12:26:23.882596Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.885644Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:23.885670Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.885911Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T12:26:23.892197Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T12:26:23.896943Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74 2026-09-13T12:26:23.906744Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.907306Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T12:26:23.907324Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.910075Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T12:26:23.911091Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.912403Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.916260Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.917124Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T12:26:23.917140Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.917497Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:23.917530Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.918465Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T12:26:23.918498Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.927329Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T12:26:23.927570Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T12:26:23.928090Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T12:26:23.950705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:26:23.950736Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=48 initial_horizon=837 selected_horizon=837 endpoint_lower_bound=256 lower_bound_gap=581 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.954973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=837 2026-09-13T12:26:23.958222Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.965093Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.965697Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:26:23.965711Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.968389Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T12:26:23.969823Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T12:26:23.969845Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:23.977220Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:23.977245Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:23.983808Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T12:26:23.988278Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:23.992279Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T12:26:23.998386Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:23.998406Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.004601Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T12:26:24.010020Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.018281Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T12:26:24.018319Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=37 initial_horizon=19778 selected_horizon=19778 endpoint_lower_bound=18432 lower_bound_gap=1346 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.023856Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.027731Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=37 tile=1139 row_words=55 horizon=19778 2026-09-13T12:26:24.039602Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:24.039624Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.040002Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:24.040026Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.045708Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T12:26:24.046031Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T12:26:24.081133Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T12:26:24.081176Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=1120 selected_horizon=1120 endpoint_lower_bound=768 lower_bound_gap=352 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.088649Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=903 row_words=16 horizon=1120 2026-09-13T12:26:24.111089Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.113568Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.116963Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.118296Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T12:26:24.118324Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:24.127492Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T12:26:24.130906Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.131623Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T12:26:24.131642Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:24.134428Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T12:26:24.155510Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:24.155545Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.159887Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T12:26:24.178483Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:26:24.178521Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.187368Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T12:26:24.276881Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T12:26:24.276920Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.291695Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T12:26:24.608155Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T12:26:24.608219Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=53 initial_horizon=8614 selected_horizon=8614 endpoint_lower_bound=6756 lower_bound_gap=1858 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.632403Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=8614 2026-09-13T12:26:24.636183Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T12:26:24.636236Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:24.647108Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.665620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T12:26:24.802070Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:24.834012Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31 2026-09-13T12:26:25.175186Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25 2026-09-13T12:26:25.195847Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T12:26:25.195885Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:25.226379Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T12:26:25.562958Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T12:26:25.563004Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=23 initial_horizon=8538 selected_horizon=8538 endpoint_lower_bound=5632 lower_bound_gap=2906 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:25.610500Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=23 tile=438 row_words=176 horizon=8538 2026-09-13T12:26:25.632838Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:25.688714Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T12:26:25.688753Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:25.776795Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T12:26:25.848554Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:25.851290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T12:26:25.851318Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:25.860183Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T12:26:25.868733Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:26.089594Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T12:26:26.089643Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=22 initial_horizon=10687 selected_horizon=10687 endpoint_lower_bound=6832 lower_bound_gap=3855 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:26.129440Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=22 tile=247 row_words=331 horizon=10687 2026-09-13T12:26:26.611070Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T12:26:26.611118Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:26.651052Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=33 tile=307 row_words=128 horizon=6348 2026-09-13T12:26:29.242457Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=28 candidates=9 ordinary_horizon=1572 paired_horizon=1616 use_paired=false 2026-09-13T12:26:29.300009Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:29.349987Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T12:26:29.350030Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=28 initial_horizon=1572 selected_horizon=1572 endpoint_lower_bound=1152 lower_bound_gap=420 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:29.415569Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=28 tile=884 row_words=234 horizon=1572 2026-09-13T12:26:29.423809Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T12:26:29.423847Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:29.602932Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T12:26:31.193657Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T12:26:31.193701Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=21 initial_horizon=10043 selected_horizon=10043 endpoint_lower_bound=8424 lower_bound_gap=1619 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:31.299493Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=21 tile=282 row_words=769 horizon=10043 2026-09-13T12:26:32.228378Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=20904 paired_horizon=32435 use_paired=false 2026-09-13T12:26:32.358087Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:26:32.358132Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=26 initial_horizon=20904 selected_horizon=20904 endpoint_lower_bound=14400 lower_bound_gap=6504 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:32.439570Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=26 tile=280 row_words=374 horizon=20904 2026-09-13T12:26:32.689096Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=39 candidates=9 ordinary_horizon=1611 paired_horizon=1880 use_paired=false 2026-09-13T12:26:32.812095Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T12:26:32.812125Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=1611 selected_horizon=1611 endpoint_lower_bound=1152 lower_bound_gap=459 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:32.898591Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=165 row_words=341 horizon=1611 2026-09-13T12:26:33.083599Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:33.260575Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T12:26:33.260611Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=34 initial_horizon=5094 selected_horizon=5094 endpoint_lower_bound=4304 lower_bound_gap=790 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:33.631824Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=34 tile=374 row_words=749 horizon=5094 2026-09-13T12:26:37.425691Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T12:26:37.425734Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=7389 selected_horizon=7389 endpoint_lower_bound=3328 lower_bound_gap=4061 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:37.639838Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=33 row_words=1583 horizon=7389 2026-09-13T12:26:39.994849Z INFO ipu_codegen.package.build{tile_count=1472 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 2026-09-13T12:26:40.258314Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T12:26:40.258357Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:26:40.619733Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T12:26:42.418292Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T12:26:42.418330Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=6423 selected_horizon=6423 endpoint_lower_bound=3456 lower_bound_gap=2967 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:42.745412Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=623 row_words=1271 horizon=6423 2026-09-13T12:26:44.714557Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=0 candidates=26244 ordinary_horizon=8446 paired_horizon=26995 use_paired=false 2026-09-13T12:26:44.943759Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T12:26:44.943797Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=8446 selected_horizon=8446 endpoint_lower_bound=3904 lower_bound_gap=4542 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:45.053981Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=4 row_words=1210 horizon=8446 2026-09-13T12:26:52.598692Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=18 candidates=27 ordinary_horizon=4582 paired_horizon=4463 use_paired=false 2026-09-13T12:26:52.998214Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T12:26:52.998251Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=18 initial_horizon=4582 selected_horizon=4582 endpoint_lower_bound=3456 lower_bound_gap=1126 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:53.341488Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=18 tile=489 row_words=907 horizon=4582 2026-09-13T12:26:56.465754Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=43 candidates=52488 ordinary_horizon=16891 paired_horizon=89900 use_paired=false 2026-09-13T12:26:56.901176Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:26:56.901232Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=16891 selected_horizon=16891 endpoint_lower_bound=11712 lower_bound_gap=5179 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:26:57.098936Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=622 row_words=2119 horizon=16891 2026-09-13T12:27:07.220187Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=16 candidates=52488 ordinary_horizon=19063 paired_horizon=134390 use_paired=false 2026-09-13T12:27:07.856467Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:27:07.856499Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=16 initial_horizon=19063 selected_horizon=19063 endpoint_lower_bound=17568 lower_bound_gap=1495 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:27:08.141447Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=16 tile=664 row_words=3008 horizon=19063 2026-09-13T12:27:46.756710Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=32 candidates=52488 ordinary_horizon=28289 paired_horizon=158889 use_paired=false 2026-09-13T12:27:48.241453Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T12:27:48.241502Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=32 initial_horizon=28289 selected_horizon=28289 endpoint_lower_bound=23424 lower_bound_gap=4865 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:27:48.858569Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=32 tile=690 row_words=4459 horizon=28289 2026-09-13T12:27:48.944728Z INFO ipu_codegen.package.build{tile_count=1472 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=85211 success=true 2026-09-13T12:28:07.238484Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=56 2026-09-13T12:28:07.240053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=57 2026-09-13T12:28:07.251869Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=58 2026-09-13T12:28:07.264888Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=59 2026-09-13T12:28:07.265354Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:28:07.265365Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=59 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.268663Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=846 2026-09-13T12:28:07.272925Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1 2026-09-13T12:28:07.274452Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T12:28:07.274473Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=1120 selected_horizon=1120 endpoint_lower_bound=768 lower_bound_gap=352 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.276984Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=60 2026-09-13T12:28:07.277371Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:28:07.277381Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.277676Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=65 2026-09-13T12:28:07.279101Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=903 row_words=16 horizon=1120 2026-09-13T12:28:07.279345Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T12:28:07.286028Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=61 2026-09-13T12:28:07.286344Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=46 2026-09-13T12:28:07.286812Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=9 2026-09-13T12:28:07.289667Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=2 2026-09-13T12:28:07.290999Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.291015Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.293843Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T12:28:07.293861Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.294976Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=62 2026-09-13T12:28:07.296958Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=63 2026-09-13T12:28:07.297720Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=64 2026-09-13T12:28:07.297847Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T12:28:07.300324Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T12:28:07.304853Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4 2026-09-13T12:28:07.311592Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.311627Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.323543Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T12:28:07.338344Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=47 2026-09-13T12:28:07.340285Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=66 2026-09-13T12:28:07.342981Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3 2026-09-13T12:28:07.343517Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=10 2026-09-13T12:28:07.343969Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=6 2026-09-13T12:28:07.346255Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T12:28:07.346284Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.348377Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.348398Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.348989Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.349008Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.350389Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.350413Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.357374Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T12:28:07.358244Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T12:28:07.359141Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T12:28:07.360195Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T12:28:07.366367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=48 2026-09-13T12:28:07.367037Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T12:28:07.367053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=48 initial_horizon=837 selected_horizon=837 endpoint_lower_bound=256 lower_bound_gap=581 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.370975Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=67 2026-09-13T12:28:07.371359Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T12:28:07.371370Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.372592Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=837 2026-09-13T12:28:07.373367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T12:28:07.384281Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=49 2026-09-13T12:28:07.384986Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T12:28:07.385004Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.388975Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T12:28:07.389239Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=68 2026-09-13T12:28:07.389890Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T12:28:07.389902Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.392629Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T12:28:07.395483Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=41 2026-09-13T12:28:07.398419Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=50 2026-09-13T12:28:07.401600Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=5 2026-09-13T12:28:07.407547Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.407570Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.409579Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=69 2026-09-13T12:28:07.410222Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T12:28:07.410237Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.411024Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=51 2026-09-13T12:28:07.413107Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T12:28:07.416797Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T12:28:07.418482Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=42 2026-09-13T12:28:07.418723Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=37 2026-09-13T12:28:07.423164Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=38 2026-09-13T12:28:07.426794Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T12:28:07.426812Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=37 initial_horizon=19778 selected_horizon=19778 endpoint_lower_bound=18432 lower_bound_gap=1346 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.428707Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=27 2026-09-13T12:28:07.429745Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=70 2026-09-13T12:28:07.432620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T12:28:07.432635Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.438769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=37 tile=1139 row_words=55 horizon=19778 2026-09-13T12:28:07.440400Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=13 2026-09-13T12:28:07.440489Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T12:28:07.440506Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.441393Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T12:28:07.441408Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.446524Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T12:28:07.447132Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T12:28:07.447131Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=7 2026-09-13T12:28:07.451536Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.451554Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.452398Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=71 2026-09-13T12:28:07.453314Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T12:28:07.453329Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.457707Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T12:28:07.458714Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T12:28:07.462852Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T12:28:07.466695Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=72 2026-09-13T12:28:07.467156Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T12:28:07.467170Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.469224Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=15 2026-09-13T12:28:07.469261Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T12:28:07.475670Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=73 2026-09-13T12:28:07.483456Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=74 2026-09-13T12:28:07.501642Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=8 2026-09-13T12:28:07.505748Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T12:28:07.505772Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.511567Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T12:28:07.513371Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=12 2026-09-13T12:28:07.518840Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=29 2026-09-13T12:28:07.530993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=19 2026-09-13T12:28:07.531693Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T12:28:07.531705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.534688Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T12:28:07.614172Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=14 2026-09-13T12:28:07.630524Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=30 2026-09-13T12:28:07.644801Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=31 2026-09-13T12:28:07.665169Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=54 2026-09-13T12:28:07.665890Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T12:28:07.665908Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.669453Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T12:28:07.671044Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=55 2026-09-13T12:28:07.684705Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=17 2026-09-13T12:28:07.686901Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T12:28:07.686921Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.693699Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T12:28:07.704645Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=35 2026-09-13T12:28:07.787751Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=25 2026-09-13T12:28:07.798790Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T12:28:07.798814Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.812654Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T12:28:07.835880Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T12:28:07.835917Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:28:07.862924Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T12:28:07.880352Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=53 2026-09-13T12:28:07.885699Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=44 2026-09-13T12:28:07.893076Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T12:28:07.893100Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.894211Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T12:28:07.894235Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=53 initial_horizon=8614 selected_horizon=8614 endpoint_lower_bound=6756 lower_bound_gap=1858 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:07.907155Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T12:28:07.910914Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=8614 2026-09-13T12:28:07.975966Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=40 2026-09-13T12:28:08.252859Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=33 2026-09-13T12:28:08.268764Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T12:28:08.268788Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:08.292826Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=33 tile=307 row_words=128 horizon=6348 2026-09-13T12:28:08.696935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=11 2026-09-13T12:28:08.735288Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T12:28:08.735328Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=22 initial_horizon=9143 selected_horizon=9143 endpoint_lower_bound=6832 lower_bound_gap=2311 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:28:08.748756Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T12:28:08.748791Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:08.777277Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=22 tile=247 row_words=331 horizon=9143 2026-09-13T12:28:08.804412Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T12:28:09.097294Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=28 2026-09-13T12:28:09.163110Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T12:28:09.163142Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=23 initial_horizon=8983 selected_horizon=8983 endpoint_lower_bound=5632 lower_bound_gap=3351 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:28:09.168060Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T12:28:09.168094Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=28 initial_horizon=1572 selected_horizon=1572 endpoint_lower_bound=1152 lower_bound_gap=420 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:09.192928Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=23 tile=625 row_words=180 horizon=8983 2026-09-13T12:28:09.233101Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=39 2026-09-13T12:28:09.245426Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=28 tile=884 row_words=234 horizon=1572 2026-09-13T12:28:09.290112Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T12:28:09.290134Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=39 initial_horizon=1611 selected_horizon=1611 endpoint_lower_bound=1152 lower_bound_gap=459 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:09.388987Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=39 tile=165 row_words=341 horizon=1611 2026-09-13T12:28:10.042367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=21 2026-09-13T12:28:10.116743Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T12:28:10.116782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=21 initial_horizon=10043 selected_horizon=10043 endpoint_lower_bound=8424 lower_bound_gap=1619 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:10.205873Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=21 tile=282 row_words=769 horizon=10043 2026-09-13T12:28:11.648248Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=45 2026-09-13T12:28:11.771144Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T12:28:11.771199Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:11.992720Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T12:28:12.782193Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=22192 paired_horizon=33386 use_paired=false 2026-09-13T12:28:12.873957Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:28:12.873994Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=26 initial_horizon=22192 selected_horizon=22192 endpoint_lower_bound=14400 lower_bound_gap=7792 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T12:28:12.926888Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=26 tile=280 row_words=377 horizon=22192 2026-09-13T12:28:13.674010Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=18 2026-09-13T12:28:13.845432Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T12:28:13.845466Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=18 initial_horizon=4582 selected_horizon=4582 endpoint_lower_bound=3456 lower_bound_gap=1126 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:14.185637Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=18 tile=489 row_words=907 horizon=4582 2026-09-13T12:28:14.317292Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=34 2026-09-13T12:28:14.474525Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T12:28:14.474559Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=34 initial_horizon=5094 selected_horizon=5094 endpoint_lower_bound=4304 lower_bound_gap=790 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:14.846632Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=34 tile=374 row_words=749 horizon=5094 2026-09-13T12:28:15.877033Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0 2026-09-13T12:28:16.055721Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T12:28:16.055766Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=0 initial_horizon=8446 selected_horizon=8446 endpoint_lower_bound=3904 lower_bound_gap=4542 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:16.196672Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=0 tile=4 row_words=1210 horizon=8446 2026-09-13T12:28:18.671371Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=43 2026-09-13T12:28:18.917047Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:28:18.917079Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=43 initial_horizon=16891 selected_horizon=16891 endpoint_lower_bound=11712 lower_bound_gap=5179 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:19.135548Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=43 tile=622 row_words=2119 horizon=16891 2026-09-13T12:28:24.300303Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=16 2026-09-13T12:28:24.701953Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T12:28:24.701994Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=16 initial_horizon=19063 selected_horizon=19063 endpoint_lower_bound=17568 lower_bound_gap=1495 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:24.995155Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=16 tile=664 row_words=3008 horizon=19063 2026-09-13T12:28:27.354271Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=36 2026-09-13T12:28:27.705839Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T12:28:27.705879Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:28.153183Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T12:28:32.843449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=20 2026-09-13T12:28:32.883013Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=52 2026-09-13T12:28:32.973771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T12:28:32.973808Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=52 initial_horizon=7389 selected_horizon=7389 endpoint_lower_bound=3328 lower_bound_gap=4061 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:32.974507Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T12:28:32.974535Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=20 initial_horizon=6423 selected_horizon=6423 endpoint_lower_bound=3456 lower_bound_gap=2967 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:33.193610Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=52 tile=33 row_words=1583 horizon=7389 2026-09-13T12:28:33.329474Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=20 tile=623 row_words=1271 horizon=6423 2026-09-13T12:28:35.109184Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=32 2026-09-13T12:28:35.743909Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T12:28:35.743951Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=32 initial_horizon=28289 selected_horizon=28289 endpoint_lower_bound=23424 lower_bound_gap=4865 selected_kind="reused" neighborhood_improvements=0 2026-09-13T12:28:36.256716Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=32 tile=690 row_words=4459 horizon=28289 2026-09-13T12:28:37.632554Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement candidate offset=20480 baseline_score=246989024512 score=214832688384 baseline_cycles=5454568 candidate_cycles=5459671 row_bytes=87056 row_capacity=98240 accepted=false 2026-09-13T12:28:38.244884Z INFO ipu_codegen.package.build{tile_count=1472 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=49300 success=true 2026-09-13T12:28:38.322127Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=17079727 final_exchange=5920768 2026-09-13T12:28:40.707495Z INFO ipu_codegen.package.build{tile_count=1472 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=305 success=true 2026-09-13T12:28:40.843839Z INFO ipu_codegen.package.build{tile_count=1472 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=136 success=true 2026-09-13T12:28:41.295608Z INFO ipu_codegen.package.build{tile_count=1472 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=399 success=true 2026-09-13T12:28:41.640788Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=17079727 resuming=true 2026-09-13T12:28:41.937666Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=221165 success=true 2026-09-13T12:28:43.753522Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: wrote exact tile placement profile path=artifacts/fp8-pv-batches-20260913/bs2-pv-unprofiled/memory/placement-554689.html 2026-09-13T12:28:44.509979Z INFO writing application package tiles=1472 2026-09-13T12:28:44.624032Z INFO application package written 2026-09-13T12:28:44.624899Z INFO reading application package 2026-09-13T12:28:44.879386Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-13T12:28:44.880155Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-13T12:28:44.880171Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-13T12:28:44.880178Z INFO opening IPU device path="/dev/ipu0" 2026-09-13T12:28:44.880226Z INFO IPU device attached path=/dev/ipu0 2026-09-13T12:28:44.880231Z INFO initializing IPU device 2026-09-13T12:28:44.888222Z INFO IPU device initialized 2026-09-13T12:28:44.888233Z INFO replaying device configuration register_writes=2003 2026-09-13T12:28:44.928616Z INFO loading application tile_count=1472 final_mark=23 2026-09-13T12:28:45.305068Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-13T12:28:48.322199Z INFO prepared reference inputs elapsed_ms=3015 2026-09-13T12:28:48.322915Z INFO configured host reference BLAS threads=4 referencePrecision=fp32 2026-09-13T12:29:42.944364Z INFO evaluated host reference elapsed_ms=54622 2026-09-13T12:29:42.948929Z INFO starting host exchange session startup_mark=23 2026-09-13T12:29:42.948948Z INFO attaching host exchange pages pages=2 2026-09-13T12:29:42.950750Z INFO host exchange session started 2026-09-13T12:29:42.952658Z INFO invoking host exchange call call="initialize" command=0 phases=344 2026-09-13T12:29:43.163509Z INFO invoking host exchange call call="run" command=0 phases=5 referenceMinimumCosineSimilarity=0.994151272 referenceInference=1 numericalTest=PASS 2026-09-13T12:29:43.176268Z INFO invoking host exchange call call="run" command=0 phases=5 referenceMinimumCosineSimilarity=0.994151272 referenceInference=2 numericalTest=PASS referenceMaximumAbsoluteError=0.437303 numericalTest=PASS package=artifacts/fp8-pv-batches-20260913/bs2-pv-unprofiled/model.ipuexe tiles=1472 hardwareTest=PASS