2026-09-12T12:37:14.561918Z  WARN PE capacity probe: RoPE omitted; layernorm epsilon remains 1e-6 instead of PE's 1e-5; numerical results are not PE model accuracy
2026-09-12T12:37:14.562835Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-12T12:37:34.101986Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: wrote planner memory profile path=artifacts/capacity-baseline-20260912/pe-b2-total/memory/baseline-449502-0000.json scope="baseline" peak_step=129 effective_peak_bytes=425768
2026-09-12T12:37:42.166391Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=6571 expansion_and_footprint_ms=8064 estimated_row_bytes=77032 heuristic_row_bytes=212756 geometry_fragments_per_tile=9301 fragment_limit=16384
2026-09-12T12:37:42.332707Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=3483
2026-09-12T12:37:42.951681Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: placed tile storage tiles=1472 shards=417660 elapsed_us=572020
2026-09-12T12:37:43.062353Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=21 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:37:43.062403Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=21 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.065129Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=21 tile=149 row_words=19 horizon=7895
2026-09-12T12:37:43.091388Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=22 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:37:43.091413Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=22 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.094271Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=22 tile=1415 row_words=19 horizon=7895
2026-09-12T12:37:43.103993Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=7 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.104026Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=7 initial_horizon=4104 selected_horizon=4104 endpoint_lower_bound=4032 lower_bound_gap=72 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.105647Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.105680Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=4509 selected_horizon=4509 endpoint_lower_bound=4416 lower_bound_gap=93 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.107871Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=7 tile=1339 row_words=95 horizon=4104
2026-09-12T12:37:43.109612Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=1194 row_words=99 horizon=4509
2026-09-12T12:37:43.119597Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=23 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:37:43.119617Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=23 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.122328Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=23 tile=1433 row_words=19 horizon=7895
2026-09-12T12:37:43.154542Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=57 candidates=16 ordinary_horizon=1735 paired_horizon=1647 use_paired=false
2026-09-12T12:37:43.195227Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=8 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.195253Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=8 initial_horizon=4677 selected_horizon=4677 endpoint_lower_bound=4608 lower_bound_gap=69 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.199044Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=8 tile=1368 row_words=108 horizon=4677
2026-09-12T12:37:43.200260Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.200283Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=3903 selected_horizon=3903 endpoint_lower_bound=3840 lower_bound_gap=63 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.204046Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=1223 row_words=87 horizon=3903
2026-09-12T12:37:43.257809Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.257848Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=5250 selected_horizon=5250 endpoint_lower_bound=5184 lower_bound_gap=66 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.262056Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=1397 row_words=120 horizon=5250
2026-09-12T12:37:43.263728Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.263762Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=3354 selected_horizon=3354 endpoint_lower_bound=3264 lower_bound_gap=90 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.267547Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=1252 row_words=81 horizon=3354
2026-09-12T12:37:43.314886Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.314907Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=5639 selected_horizon=5639 endpoint_lower_bound=5568 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.317633Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:37:43.317655Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3526 selected_horizon=3526 endpoint_lower_bound=3456 lower_bound_gap=70 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.319078Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=1426 row_words=131 horizon=5639
2026-09-12T12:37:43.321830Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=1310 row_words=84 horizon=3526
2026-09-12T12:37:43.338334Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=15 candidates=16 ordinary_horizon=1657 paired_horizon=1768 use_paired=false
2026-09-12T12:37:43.338506Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=78 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:43.338524Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=78 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.340082Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=78 tile=1255 row_words=23 horizon=7125
2026-09-12T12:37:43.355418Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=79 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:43.355434Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=79 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.356930Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=79 tile=1143 row_words=23 horizon=7125
2026-09-12T12:37:43.362258Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=42 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:43.362290Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=42 initial_horizon=5387 selected_horizon=5387 endpoint_lower_bound=5280 lower_bound_gap=107 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.369757Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=42 tile=1285 row_words=144 horizon=5387
2026-09-12T12:37:43.575199Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:43.575280Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=5667 selected_horizon=5667 endpoint_lower_bound=5600 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.580297Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=38130 maximum_identical_destinations=1
2026-09-12T12:37:43.580351Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=2194 selected_horizon=2194 endpoint_lower_bound=896 lower_bound_gap=1298 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.585748Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=1103 row_words=144 horizon=5667
2026-09-12T12:37:43.586699Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=59 transfers=4616 maximum_identical_destinations=1
2026-09-12T12:37:43.586734Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=59 initial_horizon=14193 selected_horizon=14193 endpoint_lower_bound=13824 lower_bound_gap=369 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.598619Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=205 row_words=241 horizon=2194
2026-09-12T12:37:43.599314Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=59 tile=90 row_words=242 horizon=14193
2026-09-12T12:37:43.692907Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=60 transfers=8447 maximum_identical_destinations=1
2026-09-12T12:37:43.692936Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=60 initial_horizon=19695 selected_horizon=19695 endpoint_lower_bound=8960 lower_bound_gap=10735 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.704113Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=60 tile=111 row_words=134 horizon=19695
2026-09-12T12:37:43.706050Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=2 transfers=7424 maximum_identical_destinations=1
2026-09-12T12:37:43.706079Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=2 initial_horizon=5094 selected_horizon=5094 endpoint_lower_bound=4992 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.710674Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=2 tile=1165 row_words=135 horizon=5094
2026-09-12T12:37:43.757392Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=61 transfers=5874 maximum_identical_destinations=1
2026-09-12T12:37:43.757424Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=61 initial_horizon=8746 selected_horizon=8746 endpoint_lower_bound=6912 lower_bound_gap=1834 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.761494Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=61 tile=235 row_words=44 horizon=8746
2026-09-12T12:37:43.798197Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:43.798248Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=5978 selected_horizon=5978 endpoint_lower_bound=5920 lower_bound_gap=58 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.805609Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=1116 row_words=155 horizon=5978
2026-09-12T12:37:43.862043Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=12 transfers=2031 maximum_identical_destinations=1
2026-09-12T12:37:43.862070Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=12 initial_horizon=648 selected_horizon=648 endpoint_lower_bound=512 lower_bound_gap=136 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.863865Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=12 tile=550 row_words=14 horizon=648
2026-09-12T12:37:43.948453Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=19 transfers=2790 maximum_identical_destinations=1
2026-09-12T12:37:43.948493Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=19 initial_horizon=7863 selected_horizon=7863 endpoint_lower_bound=7680 lower_bound_gap=183 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.951635Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=19 tile=965 row_words=25 horizon=7863
2026-09-12T12:37:43.969583Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:37:43.969613Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:43.971361Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=515 row_words=19 horizon=7895
2026-09-12T12:37:43.993315Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=13 candidates=16 ordinary_horizon=1727 paired_horizon=1804 use_paired=false
2026-09-12T12:37:44.039849Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=18 transfers=2398 maximum_identical_destinations=1
2026-09-12T12:37:44.039880Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=18 initial_horizon=18670 selected_horizon=18670 endpoint_lower_bound=9856 lower_bound_gap=8814 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.052511Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=18 tile=48 row_words=61 horizon=18670
2026-09-12T12:37:44.082295Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.082338Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=6299 selected_horizon=6299 endpoint_lower_bound=6240 lower_bound_gap=59 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.094751Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=1129 row_words=164 horizon=6299
2026-09-12T12:37:44.148505Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=101 transfers=8180 maximum_identical_destinations=1
2026-09-12T12:37:44.148542Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=101 initial_horizon=2116 selected_horizon=2116 endpoint_lower_bound=768 lower_bound_gap=1348 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.155009Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=101 tile=327 row_words=32 horizon=2116
2026-09-12T12:37:44.173900Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=102 transfers=1330 maximum_identical_destinations=1
2026-09-12T12:37:44.173920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=102 initial_horizon=742 selected_horizon=742 endpoint_lower_bound=640 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.175104Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=102 tile=105 row_words=15 horizon=742
2026-09-12T12:37:44.193252Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=103 transfers=1535 maximum_identical_destinations=1
2026-09-12T12:37:44.193271Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=103 initial_horizon=204 selected_horizon=204 endpoint_lower_bound=64 lower_bound_gap=140 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.194812Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=103 tile=80 row_words=21 horizon=204
2026-09-12T12:37:44.260498Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=104 transfers=1023 maximum_identical_destinations=1
2026-09-12T12:37:44.260528Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=104 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4092 lower_bound_gap=58 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.261438Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=104 tile=0 row_words=1028 horizon=4150
2026-09-12T12:37:44.290642Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=105 candidates=42 ordinary_horizon=4202 paired_horizon=4832 use_paired=false
2026-09-12T12:37:44.313285Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=106 transfers=1578 maximum_identical_destinations=1
2026-09-12T12:37:44.313318Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=106 initial_horizon=2390 selected_horizon=2390 endpoint_lower_bound=768 lower_bound_gap=1622 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.315905Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=106 tile=1339 row_words=14 horizon=2390
2026-09-12T12:37:44.331784Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=107 transfers=1344 maximum_identical_destinations=1
2026-09-12T12:37:44.331805Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=107 initial_horizon=774 selected_horizon=774 endpoint_lower_bound=672 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.332945Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=107 tile=13 row_words=27 horizon=774
2026-09-12T12:37:44.363559Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=46 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.363603Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=46 initial_horizon=6620 selected_horizon=6620 endpoint_lower_bound=6560 lower_bound_gap=60 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.371325Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=46 tile=933 row_words=175 horizon=6620
2026-09-12T12:37:44.385612Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=110 candidates=30 ordinary_horizon=1145 paired_horizon=2480 use_paired=false
2026-09-12T12:37:44.405962Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=111 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:37:44.405989Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=111 initial_horizon=1071 selected_horizon=1071 endpoint_lower_bound=256 lower_bound_gap=815 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.407667Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=111 tile=866 row_words=10 horizon=1071
2026-09-12T12:37:44.453507Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=37 transfers=18451 maximum_identical_destinations=1
2026-09-12T12:37:44.453557Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=37 initial_horizon=2480 selected_horizon=2480 endpoint_lower_bound=1024 lower_bound_gap=1456 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.464941Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=37 tile=50 row_words=124 horizon=2480
2026-09-12T12:37:44.490762Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=74 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:44.490802Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=74 initial_horizon=7129 selected_horizon=7129 endpoint_lower_bound=6912 lower_bound_gap=217 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.493437Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=74 tile=1326 row_words=23 horizon=7129
2026-09-12T12:37:44.511062Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=75 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:44.511091Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=75 initial_horizon=7129 selected_horizon=7129 endpoint_lower_bound=6912 lower_bound_gap=217 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.512829Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=75 tile=1342 row_words=22 horizon=7129
2026-09-12T12:37:44.530970Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=76 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:44.531020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=76 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.533954Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=76 tile=967 row_words=23 horizon=7125
2026-09-12T12:37:44.552547Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=77 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:37:44.552574Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=77 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.553921Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=77 tile=1239 row_words=23 horizon=7125
2026-09-12T12:37:44.595821Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=47 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.595857Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=47 initial_horizon=6620 selected_horizon=6620 endpoint_lower_bound=6560 lower_bound_gap=60 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.603586Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=47 tile=1151 row_words=185 horizon=6620
2026-09-12T12:37:44.672496Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=40 transfers=19328 maximum_identical_destinations=1
2026-09-12T12:37:44.672591Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=40 initial_horizon=6337 selected_horizon=6337 endpoint_lower_bound=6240 lower_bound_gap=97 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.683195Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=40 tile=1051 row_words=215 horizon=6337
2026-09-12T12:37:44.728441Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=48 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.728479Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=48 initial_horizon=6630 selected_horizon=6630 endpoint_lower_bound=6560 lower_bound_gap=70 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.736423Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=48 tile=1167 row_words=195 horizon=6630
2026-09-12T12:37:44.750565Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=11 transfers=73796 maximum_identical_destinations=1
2026-09-12T12:37:44.750600Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=11 initial_horizon=1276 selected_horizon=1276 endpoint_lower_bound=1024 lower_bound_gap=252 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.791437Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=11 tile=263 row_words=317 horizon=1276
2026-09-12T12:37:44.885648Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=41 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.885687Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=41 initial_horizon=5858 selected_horizon=5858 endpoint_lower_bound=5760 lower_bound_gap=98 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.893194Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=41 tile=1272 row_words=154 horizon=5858
2026-09-12T12:37:44.948111Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=53 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.948155Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=53 initial_horizon=6787 selected_horizon=6787 endpoint_lower_bound=6720 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.957552Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=53 tile=1231 row_words=224 horizon=6787
2026-09-12T12:37:44.963680Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=82 candidates=128 ordinary_horizon=178 paired_horizon=504 use_paired=false
2026-09-12T12:37:44.967260Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:44.967290Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=6637 selected_horizon=6637 endpoint_lower_bound=6560 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.975246Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=1178 row_words=205 horizon=6637
2026-09-12T12:37:44.980900Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=83 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:37:44.980922Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=83 initial_horizon=869 selected_horizon=869 endpoint_lower_bound=256 lower_bound_gap=613 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:44.982394Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=83 tile=866 row_words=10 horizon=869
2026-09-12T12:37:45.036666Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=71 candidates=9232 ordinary_horizon=9611 paired_horizon=9357 use_paired=false
2026-09-12T12:37:45.087148Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=54 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:45.087188Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=54 initial_horizon=6804 selected_horizon=6804 endpoint_lower_bound=6720 lower_bound_gap=84 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.094745Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=71 transfers=9232 maximum_identical_destinations=1
2026-09-12T12:37:45.094777Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=71 initial_horizon=9611 selected_horizon=9611 endpoint_lower_bound=6912 lower_bound_gap=2699 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.096309Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=50 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:45.096339Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=50 initial_horizon=6647 selected_horizon=6647 endpoint_lower_bound=6560 lower_bound_gap=87 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.096441Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=54 tile=1244 row_words=224 horizon=6804
2026-09-12T12:37:45.105030Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=50 tile=1194 row_words=226 horizon=6647
2026-09-12T12:37:45.114176Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=71 tile=1025 row_words=302 horizon=9611
2026-09-12T12:37:45.120364Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=92 candidates=30 ordinary_horizon=1145 paired_horizon=2480 use_paired=false
2026-09-12T12:37:45.134406Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=93 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:37:45.134425Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=93 initial_horizon=1071 selected_horizon=1071 endpoint_lower_bound=256 lower_bound_gap=815 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.135972Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=93 tile=866 row_words=10 horizon=1071
2026-09-12T12:37:45.140114Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=17 candidates=6924 ordinary_horizon=7800 paired_horizon=8191 use_paired=false
2026-09-12T12:37:45.160721Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=72 transfers=2173 maximum_identical_destinations=1
2026-09-12T12:37:45.160777Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=72 initial_horizon=8630 selected_horizon=8630 endpoint_lower_bound=4480 lower_bound_gap=4150 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.164177Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=72 tile=81 row_words=36 horizon=8630
2026-09-12T12:37:45.194019Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=73 transfers=2728 maximum_identical_destinations=1
2026-09-12T12:37:45.194062Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=73 initial_horizon=7117 selected_horizon=7117 endpoint_lower_bound=6912 lower_bound_gap=205 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.198132Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=73 tile=773 row_words=30 horizon=7117
2026-09-12T12:37:45.198713Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=17 transfers=6924 maximum_identical_destinations=1
2026-09-12T12:37:45.198750Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=17 initial_horizon=7800 selected_horizon=7800 endpoint_lower_bound=7680 lower_bound_gap=120 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.206859Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=98 candidates=64 ordinary_horizon=231 paired_horizon=1250 use_paired=false
2026-09-12T12:37:45.222920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=17 tile=228 row_words=326 horizon=7800
2026-09-12T12:37:45.223239Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=51 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:45.223278Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=51 initial_horizon=6772 selected_horizon=6772 endpoint_lower_bound=6720 lower_bound_gap=52 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.236748Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=51 tile=1202 row_words=225 horizon=6772
2026-09-12T12:37:45.251020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=1230 maximum_identical_destinations=1
2026-09-12T12:37:45.251053Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=4126 selected_horizon=4126 endpoint_lower_bound=1536 lower_bound_gap=2590 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.256584Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=53 row_words=20 horizon=4126
2026-09-12T12:37:45.304361Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=65 transfers=3230 maximum_identical_destinations=1
2026-09-12T12:37:45.304401Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=65 initial_horizon=10561 selected_horizon=10561 endpoint_lower_bound=5888 lower_bound_gap=4673 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.313301Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=65 tile=185 row_words=48 horizon=10561
2026-09-12T12:37:45.343086Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:37:45.343121Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=6774 selected_horizon=6774 endpoint_lower_bound=6720 lower_bound_gap=54 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:45.352192Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=1215 row_words=225 horizon=6774
2026-09-12T12:37:45.658386Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=69 candidates=16 ordinary_horizon=1727 paired_horizon=1804 use_paired=false
2026-09-12T12:37:46.215806Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=73796 maximum_identical_destinations=1
2026-09-12T12:37:46.215850Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=1254 selected_horizon=1254 endpoint_lower_bound=1024 lower_bound_gap=230 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:46.256363Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=354 row_words=259 horizon=1254
2026-09-12T12:37:46.473538Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=73792 maximum_identical_destinations=1
2026-09-12T12:37:46.473586Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=1148 selected_horizon=1148 endpoint_lower_bound=1024 lower_bound_gap=124 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:46.516610Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=78 row_words=239 horizon=1148
2026-09-12T12:37:46.552989Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=11540 maximum_identical_destinations=1
2026-09-12T12:37:46.553040Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=7760 selected_horizon=7760 endpoint_lower_bound=7424 lower_bound_gap=336 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:46.601347Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=105 row_words=573 horizon=7760
2026-09-12T12:37:47.063337Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=38 transfers=18464 maximum_identical_destinations=1
2026-09-12T12:37:47.063395Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=38 initial_horizon=5679 selected_horizon=5679 endpoint_lower_bound=5376 lower_bound_gap=303 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:47.103950Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=38 tile=355 row_words=461 horizon=5679
2026-09-12T12:37:47.747666Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=64 candidates=30004 ordinary_horizon=19565 paired_horizon=16719 use_paired=false
2026-09-12T12:37:47.781488Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=80 transfers=147604 maximum_identical_destinations=1
2026-09-12T12:37:47.781528Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=80 initial_horizon=2393 selected_horizon=2393 endpoint_lower_bound=2048 lower_bound_gap=345 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:47.825332Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=64 transfers=30004 maximum_identical_destinations=1
2026-09-12T12:37:47.825357Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=64 initial_horizon=19565 selected_horizon=19565 endpoint_lower_bound=13440 lower_bound_gap=6125 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:47.859821Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=64 tile=305 row_words=766 horizon=19565
2026-09-12T12:37:47.894009Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=80 tile=9 row_words=798 horizon=2393
2026-09-12T12:37:47.921920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=24 transfers=221408 maximum_identical_destinations=1
2026-09-12T12:37:47.921952Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=24 initial_horizon=3482 selected_horizon=3482 endpoint_lower_bound=3072 lower_bound_gap=410 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:48.043742Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=24 tile=271 row_words=918 horizon=3482
2026-09-12T12:37:50.106692Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=87 transfers=82504 maximum_identical_destinations=1
2026-09-12T12:37:50.106736Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=87 initial_horizon=10167 selected_horizon=10167 endpoint_lower_bound=5632 lower_bound_gap=4535 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:50.164439Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=87 tile=62 row_words=1578 horizon=10167
2026-09-12T12:37:50.395801Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=26 transfers=166035 maximum_identical_destinations=1
2026-09-12T12:37:50.395844Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=26 initial_horizon=3553 selected_horizon=3553 endpoint_lower_bound=3072 lower_bound_gap=481 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:50.479919Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=62 transfers=295208 maximum_identical_destinations=1
2026-09-12T12:37:50.479959Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=62 initial_horizon=4461 selected_horizon=4461 endpoint_lower_bound=4096 lower_bound_gap=365 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:50.620952Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=26 tile=58 row_words=732 horizon=3553
2026-09-12T12:37:50.693655Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=62 tile=346 row_words=1229 horizon=4461
2026-09-12T12:37:56.716518Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=600832 maximum_identical_destinations=1
2026-09-12T12:37:56.716560Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=18515 selected_horizon=18515 endpoint_lower_bound=13312 lower_bound_gap=5203 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:37:57.579856Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=824 row_words=1238 horizon=18515
2026-09-12T12:37:57.759994Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=85 success=true
2026-09-12T12:37:57.760639Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f8_interleaved_k64_c32_r228_r232" target=ipu21
2026-09-12T12:37:57.819715Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/2f8989504c89d2a80c4cec355facc02f915664f37d36ac8866f9489dbc26fcb2/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/2f8989504c89d2a80c4cec355facc02f915664f37d36ac8866f9489dbc26fcb2/kernel.json
2026-09-12T12:37:57.819912Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f8_interleaved_k64_c48_r228_r232" target=ipu21
2026-09-12T12:37:57.865558Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/8afdd2cb133adb91c73670901aaad93e034abb7a543d00a81129d887855c1f09/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/8afdd2cb133adb91c73670901aaad93e034abb7a543d00a81129d887855c1f09/kernel.json
2026-09-12T12:37:57.865741Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f8_interleaved_k64_c64_r164_r168" target=ipu21
2026-09-12T12:37:57.914582Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/11aa1f81913fe4d35d7a5062c0c7c7d07e5df78affe69c715c4356fcff462268/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/11aa1f81913fe4d35d7a5062c0c7c7d07e5df78affe69c715c4356fcff462268/kernel.json
2026-09-12T12:37:57.914796Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f8_interleaved_k64_c80_r164_r168" target=ipu21
2026-09-12T12:37:57.965271Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/2bdc19b7061cbcbbf0da62f40129eaff1713447e72dd62f7d2189ba4616e8265/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/2bdc19b7061cbcbbf0da62f40129eaff1713447e72dd62f7d2189ba4616e8265/kernel.json
2026-09-12T12:37:57.965659Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f8_interleaved_k160_c128_r164_r168" target=ipu21
2026-09-12T12:37:58.009074Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/5f4bb61bdabe998e1536d1b311669658bb323ab8d4c4e378c9c1b8df3a512456/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/5f4bb61bdabe998e1536d1b311669658bb323ab8d4c4e378c9c1b8df3a512456/kernel.json
2026-09-12T12:37:58.014095Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=254 success=true
2026-09-12T12:37:58.020234Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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
2026-09-12T12:37:58.658021Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=50716 maximum_uncompressed_repeat_patch_bytes=864 maximum_elided_arithmetic_patch_bytes=864
2026-09-12T12:38:01.318092Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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=137 success=true
2026-09-12T12:38:01.318133Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=387936 host_code_base=387936 host_code_bytes=8012 generated_code_bytes=14096 exchange_table_bytes=50716 executable_ranges=[(377428, 377432), (378132, 378136), (378300, 378304), (380036, 380040), (382052, 382056), (383764, 383768), (385780, 385784), (387188, 387192), (396016, 524288)]
2026-09-12T12:38:01.318157Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=387936 profile_bytes=0 exchange_table_bytes=50716 host_code_bytes=8012 host_data_bytes=5144 generated_code_bytes=14096 code_address=396016 available_ranges=[(327680, 360448), (367352, 376832), (491520, 949168)]
2026-09-12T12:38:01.857395Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: placed tile storage tiles=1472 shards=417660 elapsed_us=539225
2026-09-12T12:38:01.952950Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=634 success=true
2026-09-12T12:38:01.957457Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=99
2026-09-12T12:38:01.963289Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=85
2026-09-12T12:38:01.965393Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-12T12:38:01.970236Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=86
2026-09-12T12:38:01.971293Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=100
2026-09-12T12:38:02.002359Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=7
2026-09-12T12:38:02.003082Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=3
2026-09-12T12:38:02.005634Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.005652Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=4104 selected_horizon=4104 endpoint_lower_bound=4032 lower_bound_gap=72 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.006295Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.006316Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=4509 selected_horizon=4509 endpoint_lower_bound=4416 lower_bound_gap=93 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.009828Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=1339 row_words=95 horizon=4104
2026-09-12T12:38:02.010308Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=1194 row_words=99 horizon=4509
2026-09-12T12:38:02.034424Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-12T12:38:02.042818Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=92
2026-09-12T12:38:02.044376Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-12T12:38:02.069195Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=28
2026-09-12T12:38:02.072932Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=2
2026-09-12T12:38:02.075812Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=93 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:38:02.075849Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=93 initial_horizon=767 selected_horizon=767 endpoint_lower_bound=256 lower_bound_gap=511 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.077464Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=93 tile=882 row_words=10 horizon=767
2026-09-12T12:38:02.078173Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=7424 maximum_identical_destinations=1
2026-09-12T12:38:02.078190Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=5094 selected_horizon=5094 endpoint_lower_bound=4992 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.082803Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=1165 row_words=135 horizon=5094
2026-09-12T12:38:02.086838Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=94
2026-09-12T12:38:02.091651Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=88
2026-09-12T12:38:02.095578Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=89
2026-09-12T12:38:02.096606Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=95
2026-09-12T12:38:02.098512Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=90
2026-09-12T12:38:02.099773Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=91
2026-09-12T12:38:02.105358Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=8
2026-09-12T12:38:02.105937Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=4
2026-09-12T12:38:02.106409Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=96
2026-09-12T12:38:02.108614Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.108629Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=4677 selected_horizon=4677 endpoint_lower_bound=4608 lower_bound_gap=69 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.108728Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-12T12:38:02.109225Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.109243Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=3903 selected_horizon=3903 endpoint_lower_bound=3840 lower_bound_gap=63 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.109557Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=97
2026-09-12T12:38:02.112723Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=1368 row_words=108 horizon=4677
2026-09-12T12:38:02.113273Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=1223 row_words=87 horizon=3903
2026-09-12T12:38:02.122139Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16
2026-09-12T12:38:02.122667Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=101 transfers=8180 maximum_identical_destinations=1
2026-09-12T12:38:02.122702Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=101 initial_horizon=1291 selected_horizon=1291 endpoint_lower_bound=768 lower_bound_gap=523 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.125920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=98
2026-09-12T12:38:02.128850Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=106 transfers=1578 maximum_identical_destinations=1
2026-09-12T12:38:02.128868Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=106 initial_horizon=1787 selected_horizon=1787 endpoint_lower_bound=768 lower_bound_gap=1019 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.131173Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=106 tile=1339 row_words=14 horizon=1787
2026-09-12T12:38:02.133105Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=101 tile=1095 row_words=30 horizon=1291
2026-09-12T12:38:02.139799Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=78
2026-09-12T12:38:02.140329Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=78 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:02.140342Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=78 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.141897Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=78 tile=1255 row_words=23 horizon=7125
2026-09-12T12:38:02.143713Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=107
2026-09-12T12:38:02.144223Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=107 transfers=1344 maximum_identical_destinations=1
2026-09-12T12:38:02.144236Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=107 initial_horizon=774 selected_horizon=774 endpoint_lower_bound=672 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.145348Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=107 tile=13 row_words=27 horizon=774
2026-09-12T12:38:02.153601Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=108
2026-09-12T12:38:02.155443Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=79
2026-09-12T12:38:02.155913Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=79 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:02.155923Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=79 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.157005Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=102
2026-09-12T12:38:02.157439Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=79 tile=1143 row_words=23 horizon=7125
2026-09-12T12:38:02.157819Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=102 transfers=1330 maximum_identical_destinations=1
2026-09-12T12:38:02.157835Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=102 initial_horizon=742 selected_horizon=742 endpoint_lower_bound=640 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.158530Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=5
2026-09-12T12:38:02.159961Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=102 tile=105 row_words=15 horizon=742
2026-09-12T12:38:02.160817Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=9
2026-09-12T12:38:02.161293Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.161309Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=3354 selected_horizon=3354 endpoint_lower_bound=3264 lower_bound_gap=90 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.162899Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=109
2026-09-12T12:38:02.163661Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.163677Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=5250 selected_horizon=5250 endpoint_lower_bound=5184 lower_bound_gap=66 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.165363Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=1252 row_words=81 horizon=3354
2026-09-12T12:38:02.167979Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=1397 row_words=120 horizon=5250
2026-09-12T12:38:02.173011Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=110
2026-09-12T12:38:02.182505Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=103
2026-09-12T12:38:02.183225Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=103 transfers=1535 maximum_identical_destinations=1
2026-09-12T12:38:02.183239Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=103 initial_horizon=204 selected_horizon=204 endpoint_lower_bound=64 lower_bound_gap=140 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.184088Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-12T12:38:02.184920Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=103 tile=80 row_words=21 horizon=204
2026-09-12T12:38:02.193080Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=111 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:38:02.193099Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=111 initial_horizon=767 selected_horizon=767 endpoint_lower_bound=256 lower_bound_gap=511 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.194612Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=111 tile=882 row_words=10 horizon=767
2026-09-12T12:38:02.195692Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=104
2026-09-12T12:38:02.196087Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=104 transfers=1023 maximum_identical_destinations=1
2026-09-12T12:38:02.196095Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=104 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4092 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.197295Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=104 tile=0 row_words=1028 horizon=4150
2026-09-12T12:38:02.203071Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=112
2026-09-12T12:38:02.206525Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=113
2026-09-12T12:38:02.210501Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=6
2026-09-12T12:38:02.213229Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.213244Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=3526 selected_horizon=3526 endpoint_lower_bound=3456 lower_bound_gap=70 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.217666Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=105
2026-09-12T12:38:02.217945Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=10
2026-09-12T12:38:02.218912Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=1310 row_words=84 horizon=3526
2026-09-12T12:38:02.222095Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=6784 maximum_identical_destinations=1
2026-09-12T12:38:02.222127Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=5639 selected_horizon=5639 endpoint_lower_bound=5568 lower_bound_gap=71 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.224104Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=21
2026-09-12T12:38:02.224877Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=21 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:38:02.224909Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=21 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.227526Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=21 tile=149 row_words=19 horizon=7895
2026-09-12T12:38:02.228542Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=1426 row_words=131 horizon=5639
2026-09-12T12:38:02.246378Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=22
2026-09-12T12:38:02.246877Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=22 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:38:02.246888Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=22 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.248483Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=22 tile=1415 row_words=19 horizon=7895
2026-09-12T12:38:02.259790Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-12T12:38:02.260882Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=19 transfers=2790 maximum_identical_destinations=1
2026-09-12T12:38:02.260911Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=19 initial_horizon=7863 selected_horizon=7863 endpoint_lower_bound=7680 lower_bound_gap=183 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.263265Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=19 tile=965 row_words=25 horizon=7863
2026-09-12T12:38:02.263262Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=23
2026-09-12T12:38:02.263766Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=23 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:38:02.263779Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=23 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.265363Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=23 tile=1433 row_words=19 horizon=7895
2026-09-12T12:38:02.279737Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=20
2026-09-12T12:38:02.280105Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=1440 maximum_identical_destinations=1
2026-09-12T12:38:02.280115Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=7895 selected_horizon=7895 endpoint_lower_bound=7680 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.281431Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=515 row_words=19 horizon=7895
2026-09-12T12:38:02.295802Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-12T12:38:02.296361Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=12 transfers=2031 maximum_identical_destinations=1
2026-09-12T12:38:02.296370Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=12 initial_horizon=648 selected_horizon=648 endpoint_lower_bound=512 lower_bound_gap=136 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.298062Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=12 tile=550 row_words=14 horizon=648
2026-09-12T12:38:02.307511Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-12T12:38:02.315289Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=18 transfers=2398 maximum_identical_destinations=1
2026-09-12T12:38:02.315319Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=18 initial_horizon=22973 selected_horizon=22973 endpoint_lower_bound=9856 lower_bound_gap=13117 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.324477Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=18 tile=16 row_words=66 horizon=22973
2026-09-12T12:38:02.330478Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=81
2026-09-12T12:38:02.364939Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=82
2026-09-12T12:38:02.369412Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-12T12:38:02.387198Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=83 transfers=1020 maximum_identical_destinations=1
2026-09-12T12:38:02.387237Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=83 initial_horizon=767 selected_horizon=767 endpoint_lower_bound=256 lower_bound_gap=511 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.388737Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=83 tile=882 row_words=10 horizon=767
2026-09-12T12:38:02.397683Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=84
2026-09-12T12:38:02.429115Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-12T12:38:02.498487Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=59
2026-09-12T12:38:02.525247Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=4616 maximum_identical_destinations=1
2026-09-12T12:38:02.525279Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=14193 selected_horizon=14193 endpoint_lower_bound=13824 lower_bound_gap=369 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.539194Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=90 row_words=242 horizon=14193
2026-09-12T12:38:02.546009Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=8447 maximum_identical_destinations=1
2026-09-12T12:38:02.546041Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=20336 selected_horizon=20336 endpoint_lower_bound=8960 lower_bound_gap=11376 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.548542Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=32
2026-09-12T12:38:02.558907Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=119 row_words=139 horizon=20336
2026-09-12T12:38:02.636886Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=61 transfers=5874 maximum_identical_destinations=1
2026-09-12T12:38:02.636918Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=61 initial_horizon=9604 selected_horizon=9604 endpoint_lower_bound=6912 lower_bound_gap=2692 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:02.641192Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=61 tile=235 row_words=43 horizon=9604
2026-09-12T12:38:02.674405Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=33
2026-09-12T12:38:02.700792Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-12T12:38:02.709474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=42 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:02.709506Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=42 initial_horizon=5387 selected_horizon=5387 endpoint_lower_bound=5280 lower_bound_gap=107 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.718318Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=42 tile=1285 row_words=144 horizon=5387
2026-09-12T12:38:02.825848Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-12T12:38:02.866575Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=43
2026-09-12T12:38:02.872710Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:02.872736Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=5667 selected_horizon=5667 endpoint_lower_bound=5600 lower_bound_gap=67 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:02.879558Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=1103 row_words=144 horizon=5667
2026-09-12T12:38:02.960130Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-12T12:38:03.021924Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-12T12:38:03.027683Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.027703Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=5978 selected_horizon=5978 endpoint_lower_bound=5920 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.033467Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=1116 row_words=155 horizon=5978
2026-09-12T12:38:03.080395Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-12T12:38:03.097397Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=38130 maximum_identical_destinations=1
2026-09-12T12:38:03.097458Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=1861 selected_horizon=1861 endpoint_lower_bound=896 lower_bound_gap=965 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:03.117141Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=90 row_words=243 horizon=1861
2026-09-12T12:38:03.210744Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-12T12:38:03.216921Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.216950Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=6299 selected_horizon=6299 endpoint_lower_bound=6240 lower_bound_gap=59 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.225495Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=1129 row_words=164 horizon=6299
2026-09-12T12:38:03.227311Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-12T12:38:03.239604Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71
2026-09-12T12:38:03.252152Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=17 transfers=6924 maximum_identical_destinations=1
2026-09-12T12:38:03.252173Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=17 initial_horizon=7800 selected_horizon=7800 endpoint_lower_bound=7680 lower_bound_gap=120 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.269124Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=71 transfers=9232 maximum_identical_destinations=1
2026-09-12T12:38:03.269196Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=71 initial_horizon=9611 selected_horizon=9611 endpoint_lower_bound=6912 lower_bound_gap=2699 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.273800Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=17 tile=228 row_words=326 horizon=7800
2026-09-12T12:38:03.293859Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=71 tile=1025 row_words=302 horizon=9611
2026-09-12T12:38:03.298938Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74
2026-09-12T12:38:03.299613Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=74 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:03.299629Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=74 initial_horizon=7129 selected_horizon=7129 endpoint_lower_bound=6912 lower_bound_gap=217 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.301256Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=74 tile=1326 row_words=23 horizon=7129
2026-09-12T12:38:03.315617Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=75
2026-09-12T12:38:03.316125Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=75 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:03.316136Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=75 initial_horizon=7129 selected_horizon=7129 endpoint_lower_bound=6912 lower_bound_gap=217 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.317766Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=75 tile=1342 row_words=22 horizon=7129
2026-09-12T12:38:03.321535Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72
2026-09-12T12:38:03.322470Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=72 transfers=2173 maximum_identical_destinations=1
2026-09-12T12:38:03.322481Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=72 initial_horizon=8630 selected_horizon=8630 endpoint_lower_bound=4480 lower_bound_gap=4150 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.324320Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=72 tile=81 row_words=36 horizon=8630
2026-09-12T12:38:03.331968Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=76
2026-09-12T12:38:03.332494Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=76 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:03.332512Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=76 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.334074Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=76 tile=967 row_words=23 horizon=7125
2026-09-12T12:38:03.341862Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=73
2026-09-12T12:38:03.342632Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=73 transfers=2728 maximum_identical_destinations=1
2026-09-12T12:38:03.342642Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=73 initial_horizon=7117 selected_horizon=7117 endpoint_lower_bound=6912 lower_bound_gap=205 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.344523Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=73 tile=773 row_words=30 horizon=7117
2026-09-12T12:38:03.347962Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=77
2026-09-12T12:38:03.348501Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=77 transfers=1408 maximum_identical_destinations=1
2026-09-12T12:38:03.348516Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=77 initial_horizon=7125 selected_horizon=7125 endpoint_lower_bound=6912 lower_bound_gap=213 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.350065Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=87
2026-09-12T12:38:03.350196Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=77 tile=1239 row_words=23 horizon=7125
2026-09-12T12:38:03.381249Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=87 transfers=82504 maximum_identical_destinations=1
2026-09-12T12:38:03.381275Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=87 initial_horizon=10167 selected_horizon=10167 endpoint_lower_bound=5632 lower_bound_gap=4535 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.383923Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-12T12:38:03.389619Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=46 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.389637Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=46 initial_horizon=6620 selected_horizon=6620 endpoint_lower_bound=6560 lower_bound_gap=60 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.395309Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=46 tile=933 row_words=175 horizon=6620
2026-09-12T12:38:03.423336Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=87 tile=62 row_words=1578 horizon=10167
2026-09-12T12:38:03.446632Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-12T12:38:03.447967Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67
2026-09-12T12:38:03.449316Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-12T12:38:03.468940Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-12T12:38:03.473675Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-12T12:38:03.484766Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=73792 maximum_identical_destinations=1
2026-09-12T12:38:03.484799Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=1148 selected_horizon=1148 endpoint_lower_bound=1024 lower_bound_gap=124 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.495761Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=11 transfers=73796 maximum_identical_destinations=1
2026-09-12T12:38:03.495795Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=11 initial_horizon=1276 selected_horizon=1276 endpoint_lower_bound=1024 lower_bound_gap=252 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.514167Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=1230 maximum_identical_destinations=1
2026-09-12T12:38:03.514226Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=2818 selected_horizon=2818 endpoint_lower_bound=1536 lower_bound_gap=1282 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:03.519632Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=53 row_words=18 horizon=2818
2026-09-12T12:38:03.522877Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=78 row_words=239 horizon=1148
2026-09-12T12:38:03.523164Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=37
2026-09-12T12:38:03.532450Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-12T12:38:03.539003Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=40 transfers=19328 maximum_identical_destinations=1
2026-09-12T12:38:03.539021Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=40 initial_horizon=6337 selected_horizon=6337 endpoint_lower_bound=6240 lower_bound_gap=97 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.540710Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=37 transfers=18451 maximum_identical_destinations=1
2026-09-12T12:38:03.540737Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=37 initial_horizon=2480 selected_horizon=2480 endpoint_lower_bound=1024 lower_bound_gap=1456 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.541518Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=68
2026-09-12T12:38:03.541575Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=11 tile=263 row_words=317 horizon=1276
2026-09-12T12:38:03.544385Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-12T12:38:03.547166Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=40 tile=1051 row_words=215 horizon=6337
2026-09-12T12:38:03.550132Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=47 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.550158Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=47 initial_horizon=6620 selected_horizon=6620 endpoint_lower_bound=6560 lower_bound_gap=60 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.556179Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=47 tile=1151 row_words=185 horizon=6620
2026-09-12T12:38:03.557087Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=37 tile=50 row_words=124 horizon=2480
2026-09-12T12:38:03.564041Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=70
2026-09-12T12:38:03.621800Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=65 transfers=3230 maximum_identical_destinations=1
2026-09-12T12:38:03.621831Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=65 initial_horizon=10561 selected_horizon=10561 endpoint_lower_bound=5888 lower_bound_gap=4673 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:03.626127Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=69
2026-09-12T12:38:03.633947Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=65 tile=185 row_words=48 horizon=10561
2026-09-12T12:38:03.660041Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=48
2026-09-12T12:38:03.665775Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=48 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.665796Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=48 initial_horizon=6630 selected_horizon=6630 endpoint_lower_bound=6560 lower_bound_gap=70 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.671761Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=48 tile=1167 row_words=195 horizon=6630
2026-09-12T12:38:03.691881Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-12T12:38:03.697260Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=41 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.697276Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=41 initial_horizon=5858 selected_horizon=5858 endpoint_lower_bound=5760 lower_bound_gap=98 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.703016Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=41 tile=1272 row_words=154 horizon=5858
2026-09-12T12:38:03.710669Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-12T12:38:03.747325Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=53
2026-09-12T12:38:03.755322Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=53 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.755345Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=53 initial_horizon=6787 selected_horizon=6787 endpoint_lower_bound=6720 lower_bound_gap=67 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.764390Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=53 tile=1231 row_words=224 horizon=6787
2026-09-12T12:38:03.777599Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-12T12:38:03.781112Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-12T12:38:03.781527Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=51 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.781541Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=51 initial_horizon=6772 selected_horizon=6772 endpoint_lower_bound=6720 lower_bound_gap=52 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.782153Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=52
2026-09-12T12:38:03.787158Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=51 tile=1202 row_words=225 horizon=6772
2026-09-12T12:38:03.787551Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.787567Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=6774 selected_horizon=6774 endpoint_lower_bound=6720 lower_bound_gap=54 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.788956Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.788984Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=6637 selected_horizon=6637 endpoint_lower_bound=6560 lower_bound_gap=77 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.793922Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=1215 row_words=225 horizon=6774
2026-09-12T12:38:03.795338Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-12T12:38:03.798358Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=1178 row_words=205 horizon=6637
2026-09-12T12:38:03.801027Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=54 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.801043Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=54 initial_horizon=6804 selected_horizon=6804 endpoint_lower_bound=6720 lower_bound_gap=84 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.809817Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=54 tile=1244 row_words=224 horizon=6804
2026-09-12T12:38:03.878811Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=50
2026-09-12T12:38:03.886168Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=50 transfers=14720 maximum_identical_destinations=1
2026-09-12T12:38:03.886191Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=50 initial_horizon=6647 selected_horizon=6647 endpoint_lower_bound=6560 lower_bound_gap=87 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:03.894607Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=50 tile=1194 row_words=226 horizon=6647
2026-09-12T12:38:04.853052Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-12T12:38:04.885470Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=55 transfers=73796 maximum_identical_destinations=1
2026-09-12T12:38:04.885503Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=55 initial_horizon=1254 selected_horizon=1254 endpoint_lower_bound=1024 lower_bound_gap=230 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:04.933229Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=55 tile=354 row_words=259 horizon=1254
2026-09-12T12:38:05.140700Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=38
2026-09-12T12:38:05.195411Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=38 transfers=18464 maximum_identical_destinations=1
2026-09-12T12:38:05.195453Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=38 initial_horizon=5679 selected_horizon=5679 endpoint_lower_bound=5376 lower_bound_gap=303 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:05.211939Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=80
2026-09-12T12:38:05.239317Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=38 tile=355 row_words=461 horizon=5679
2026-09-12T12:38:05.282545Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=80 transfers=147604 maximum_identical_destinations=1
2026-09-12T12:38:05.282569Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=80 initial_horizon=2393 selected_horizon=2393 endpoint_lower_bound=2048 lower_bound_gap=345 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:05.405696Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=80 tile=9 row_words=798 horizon=2393
2026-09-12T12:38:06.487947Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=24
2026-09-12T12:38:06.588102Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=24 transfers=221408 maximum_identical_destinations=1
2026-09-12T12:38:06.588146Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=24 initial_horizon=3482 selected_horizon=3482 endpoint_lower_bound=3072 lower_bound_gap=410 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:06.786407Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=24 tile=271 row_words=918 horizon=3482
2026-09-12T12:38:06.942746Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=26
2026-09-12T12:38:07.033997Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=26 transfers=166035 maximum_identical_destinations=1
2026-09-12T12:38:07.034037Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=26 initial_horizon=3553 selected_horizon=3553 endpoint_lower_bound=3072 lower_bound_gap=481 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:07.229866Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-12T12:38:07.257599Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=26 tile=58 row_words=732 horizon=3553
2026-09-12T12:38:07.384861Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=62 transfers=295208 maximum_identical_destinations=1
2026-09-12T12:38:07.384904Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=62 initial_horizon=4461 selected_horizon=4461 endpoint_lower_bound=4096 lower_bound_gap=365 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:07.674739Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=62 tile=346 row_words=1229 horizon=4461
2026-09-12T12:38:08.601761Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=64 candidates=30004 ordinary_horizon=20070 paired_horizon=16697 use_paired=false
2026-09-12T12:38:08.686887Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=64 transfers=30004 maximum_identical_destinations=1
2026-09-12T12:38:08.686923Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=64 initial_horizon=20070 selected_horizon=20070 endpoint_lower_bound=13440 lower_bound_gap=6630 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:08.722800Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=64 tile=523 row_words=764 horizon=20070
2026-09-12T12:38:23.649792Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=600832 maximum_identical_destinations=1
2026-09-12T12:38:23.649842Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=18549 selected_horizon=18549 endpoint_lower_bound=13312 lower_bound_gap=5237 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-12T12:38:24.251682Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=826 row_words=1241 horizon=18549
2026-09-12T12:38:26.477153Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=0
2026-09-12T12:38:26.529905Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=11540 maximum_identical_destinations=1
2026-09-12T12:38:26.529926Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=7760 selected_horizon=7760 endpoint_lower_bound=7424 lower_bound_gap=336 selected_kind="reused" neighborhood_improvements=0
2026-09-12T12:38:26.556109Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=105 row_words=573 horizon=7760
2026-09-12T12:38:26.566399Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=24613 success=true
2026-09-12T12:38:29.230562Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=615855
2026-09-12T12:38:30.607052Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=604036
2026-09-12T12:38:31.939857Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=568948
2026-09-12T12:38:33.245393Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=564296
2026-09-12T12:38:34.573691Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=571732
2026-09-12T12:38:35.919278Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=571407
2026-09-12T12:38:37.310140Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: placed tile storage tiles=1472 shards=417660 elapsed_us=537618
2026-09-12T12:38:38.303646Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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=11737 success=true
2026-09-12T12:38:38.340630Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=21355518 final_exchange=9188416
2026-09-12T12:38:39.791799Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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=176 success=true
2026-09-12T12:38:39.885577Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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=93 success=true
2026-09-12T12:38:40.364699Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: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=425 success=true
2026-09-12T12:38:40.601663Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=21355518
2026-09-12T12:38:40.902647Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=86339 success=true
2026-09-12T12:38:42.713371Z  INFO ipu_codegen.package.build{tile_count=1472 operations=26}: wrote exact tile placement profile path=artifacts/capacity-baseline-20260912/pe-b2-total/memory/placement-449502.html
2026-09-12T12:38:43.231475Z  INFO writing application package tiles=1472
2026-09-12T12:38:43.304140Z  INFO application package written
2026-09-12T12:38:43.304654Z  INFO reading application package
2026-09-12T12:38:43.457126Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-12T12:38:43.460632Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-12T12:38:43.460649Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-12T12:38:43.460655Z  INFO opening IPU device path="/dev/ipu0"
2026-09-12T12:38:43.460681Z  INFO IPU device attached path=/dev/ipu0
2026-09-12T12:38:43.460686Z  INFO initializing IPU device
2026-09-12T12:38:43.468479Z  INFO IPU device initialized
2026-09-12T12:38:43.468511Z  INFO replaying device configuration register_writes=2003
2026-09-12T12:38:43.506929Z  INFO loading application tile_count=1472 final_mark=23
2026-09-12T12:38:43.707110Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-12T12:38:46.474247Z  INFO prepared reference inputs elapsed_ms=2765
2026-09-12T12:38:46.474818Z  INFO configured host reference BLAS threads=4
referencePrecision=fp32
2026-09-12T12:39:24.731104Z  INFO evaluated host reference elapsed_ms=38256
2026-09-12T12:39:24.734572Z  INFO starting host exchange session startup_mark=23
2026-09-12T12:39:24.734615Z  INFO attaching host exchange pages pages=2
2026-09-12T12:39:24.735343Z  INFO host exchange session started
2026-09-12T12:39:24.736111Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=306
2026-09-12T12:39:24.941268Z  INFO invoking streaming host exchange call call="run" command=0 phases=3
runFailureDiagnostics=counts=[29, 1443, 0, 0] firstUnexpected=[(0, 1), (1, 1), (2, 1), (3, 1), (4, 1), (5, 1), (6, 1), (7, 1), (8, 1), (9, 1), (10, 1), (11, 1), (12, 1), (13, 1), (14, 1), (15, 1)] contexts=[(0, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([0, 0, 3, 3, 3, 3]), [(3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (5, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (1, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([0, 0, 3, 3, 3, 0]), [(3, Ok((325712, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xb0"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (5, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (2, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([0, 0, 3, 3, 3, 3]), [(3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (5, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (3, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 0, 0, 0, 0]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (4, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 0, 0, 0, 0]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (5, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 0, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (6, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 0, 0, 0, 0]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (7, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 0, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (8, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 0, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (9, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325728, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xc0"), Ok(FloatingPoint)))), (4, Ok((325696, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xa0"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (10, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 0, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (11, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325728, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xc0"), Ok(FloatingPoint)))), (4, Ok((325696, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xa0"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (12, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325728, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xc0"), Ok(FloatingPoint)))), (4, Ok((325696, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xa0"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (13, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 3, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (5, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (14, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 0, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325728, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xc0"), Ok(FloatingPoint)))), (4, Ok((325696, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0xa0"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))]), (15, 1, Err(Timeout("stopping tile context")), None, None, None, None, Err(Timeout("stopping tile context")), Ok((0, 23)), Ok(None), Ok([3, 3, 3, 3, 3, 3]), [(1, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (2, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (3, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (4, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (5, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint)))), (6, Ok((325680, Some("_ZL14castPackedRowsPKDhS0_Phjjj+0x90"), Ok(FloatingPoint))))])]
Error: device timeout: host call run phase 2/3: device timeout: HSP register 0x3030: expected 0, observed 1