2026-09-13T17:37:19.194892Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true 2026-09-13T17:37:19.325535Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: loaded mid-plan search state path=artifacts/fp8-pv-batches-20260913/bs2-pv-state.json attempts=98 2026-09-13T17:37:20.317036Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: wrote planner memory profile path=artifacts/exchange-base-aware-20260913/bs2/memory/baseline-579018-0000.json scope="baseline" peak_step=69 effective_peak_bytes=514680 2026-09-13T17:37:34.532769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=11842 expansion_and_footprint_ms=14215 estimated_row_bytes=124000 heuristic_row_bytes=349492 geometry_fragments_per_tile=12963 fragment_limit=16384 2026-09-13T17:37:34.682630Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=2768 2026-09-13T17:37:35.570104Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=58 candidates=36 ordinary_horizon=1264 paired_horizon=2915 use_paired=false 2026-09-13T17:37:35.596022Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T17:37:35.596079Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=963 selected_horizon=963 endpoint_lower_bound=768 lower_bound_gap=195 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.600460Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:37:35.600497Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=59 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.601651Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=903 row_words=16 horizon=963 2026-09-13T17:37:35.604735Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=471 2026-09-13T17:37:35.617374Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:37:35.617402Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.617692Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.617741Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.617967Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.618007Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.618036Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.618079Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.619868Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T17:37:35.621436Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T17:37:35.621484Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.624952Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T17:37:35.625279Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T17:37:35.625566Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T17:37:35.629354Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T17:37:35.658548Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=64 candidates=8 ordinary_horizon=73 paired_horizon=134 use_paired=false 2026-09-13T17:37:35.670293Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.670344Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.678758Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T17:37:35.685278Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=47 candidates=144 ordinary_horizon=193 paired_horizon=444 use_paired=false 2026-09-13T17:37:35.697095Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.697133Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.697330Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.697367Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.704976Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T17:37:35.705247Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T17:37:35.709520Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:37:35.709560Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=48 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.713484Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=471 2026-09-13T17:37:35.726022Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:37:35.726052Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.728385Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T17:37:35.744164Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T17:37:35.744242Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.750658Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:37:35.750695Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.757992Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T17:37:35.762526Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T17:37:35.767963Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T17:37:35.768017Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=37 initial_horizon=22673 selected_horizon=22673 endpoint_lower_bound=18432 lower_bound_gap=4241 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.781443Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=37 tile=1073 row_words=59 horizon=22673 2026-09-13T17:37:35.784808Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=65 candidates=72 ordinary_horizon=261 paired_horizon=1391 use_paired=false 2026-09-13T17:37:35.825062Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=14 candidates=18 ordinary_horizon=1996 paired_horizon=1947 use_paired=false 2026-09-13T17:37:35.826172Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=70 candidates=60 ordinary_horizon=690 paired_horizon=886 use_paired=false 2026-09-13T17:37:35.849246Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T17:37:35.849290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.853492Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=41 candidates=18 ordinary_horizon=1897 paired_horizon=1708 use_paired=false 2026-09-13T17:37:35.863877Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T17:37:35.866297Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T17:37:35.866333Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.872867Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T17:37:35.890436Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T17:37:35.890466Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.893092Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T17:37:35.894515Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T17:37:35.894550Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.897950Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T17:37:35.897994Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.899053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T17:37:35.910283Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T17:37:35.938307Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T17:37:35.938339Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.942265Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T17:37:35.969495Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T17:37:35.969545Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:35.988284Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T17:37:36.110616Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=30 candidates=18 ordinary_horizon=1990 paired_horizon=1806 use_paired=false 2026-09-13T17:37:36.289557Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T17:37:36.289614Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.322620Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T17:37:36.432930Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T17:37:36.432978Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.445917Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T17:37:36.484552Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T17:37:36.484603Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=53 initial_horizon=7992 selected_horizon=7992 endpoint_lower_bound=6756 lower_bound_gap=1236 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.499300Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T17:37:36.499352Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.503943Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=7992 2026-09-13T17:37:36.526272Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T17:37:36.526304Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.529156Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T17:37:36.529959Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=33 tile=307 row_words=127 horizon=6348 2026-09-13T17:37:36.626727Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T17:37:36.626786Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.658675Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T17:37:36.804240Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T17:37:36.804306Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=22 initial_horizon=11805 selected_horizon=11805 endpoint_lower_bound=6832 lower_bound_gap=4973 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:36.861575Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=22 tile=247 row_words=347 horizon=11805 2026-09-13T17:37:37.488114Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T17:37:37.488189Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=23 initial_horizon=7168 selected_horizon=7168 endpoint_lower_bound=5632 lower_bound_gap=1536 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:37.532688Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=23 tile=610 row_words=170 horizon=7168 2026-09-13T17:37:37.565766Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T17:37:37.565815Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:37.570077Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T17:37:37.598499Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T17:37:37.598560Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:37.638744Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T17:37:37.638782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:37.649280Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T17:37:37.678266Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T17:37:40.430176Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=28 candidates=9 ordinary_horizon=1564 paired_horizon=1568 use_paired=false 2026-09-13T17:37:40.559120Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T17:37:40.559187Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=28 initial_horizon=1564 selected_horizon=1564 endpoint_lower_bound=1152 lower_bound_gap=412 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:40.653973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=28 tile=527 row_words=232 horizon=1564 2026-09-13T17:37:41.102518Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T17:37:41.102584Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=21 initial_horizon=10035 selected_horizon=10035 endpoint_lower_bound=8424 lower_bound_gap=1611 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:41.233494Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=21 tile=282 row_words=776 horizon=10035 2026-09-13T17:37:41.531652Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=15721 paired_horizon=22574 use_paired=false 2026-09-13T17:37:41.657761Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:37:41.657812Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=26 initial_horizon=15721 selected_horizon=15721 endpoint_lower_bound=14400 lower_bound_gap=1321 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:41.735308Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=26 tile=380 row_words=360 horizon=15721 2026-09-13T17:37:44.335907Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T17:37:44.335980Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:44.583104Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T17:37:45.466772Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=39 candidates=9 ordinary_horizon=1584 paired_horizon=1634 use_paired=false 2026-09-13T17:37:45.627584Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T17:37:45.627647Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=1584 selected_horizon=1584 endpoint_lower_bound=1152 lower_bound_gap=432 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:45.761905Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=1204 row_words=340 horizon=1584 2026-09-13T17:37:48.921272Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T17:37:48.921354Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=7061 selected_horizon=7061 endpoint_lower_bound=3328 lower_bound_gap=3733 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:49.314656Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=259 row_words=1570 horizon=7061 2026-09-13T17:37:49.390311Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T17:37:49.390374Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:49.396420Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T17:37:51.227520Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T17:37:51.227598Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=6390 selected_horizon=6390 endpoint_lower_bound=3456 lower_bound_gap=2934 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:51.783511Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=578 row_words=1299 horizon=6390 2026-09-13T17:37:58.298658Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=26244 ordinary_horizon=9037 paired_horizon=27117 use_paired=false 2026-09-13T17:37:58.686755Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T17:37:58.686828Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=9037 selected_horizon=9037 endpoint_lower_bound=3904 lower_bound_gap=5133 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:37:58.869841Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=565 row_words=1221 horizon=9037 2026-09-13T17:37:59.850768Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=34 candidates=34 ordinary_horizon=4870 paired_horizon=4967 use_paired=false 2026-09-13T17:38:00.790190Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T17:38:00.790387Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=34 initial_horizon=4870 selected_horizon=4870 endpoint_lower_bound=4304 lower_bound_gap=566 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:01.413080Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=34 tile=429 row_words=752 horizon=4870 2026-09-13T17:38:03.747328Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=43 candidates=52488 ordinary_horizon=17185 paired_horizon=89957 use_paired=false 2026-09-13T17:38:04.373473Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:38:04.373543Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=17185 selected_horizon=17185 endpoint_lower_bound=11712 lower_bound_gap=5473 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:04.630719Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=638 row_words=2134 horizon=17185 2026-09-13T17:38:04.765028Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:04.765100Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:04.775421Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T17:38:09.340603Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=18 candidates=27 ordinary_horizon=4581 paired_horizon=4069 use_paired=false 2026-09-13T17:38:10.036082Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T17:38:10.036172Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=18 initial_horizon=4581 selected_horizon=4581 endpoint_lower_bound=3456 lower_bound_gap=1125 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:10.532440Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=18 tile=499 row_words=904 horizon=4581 2026-09-13T17:38:11.033794Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=16 candidates=52488 ordinary_horizon=24363 paired_horizon=93605 use_paired=false 2026-09-13T17:38:12.027674Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:38:12.027736Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=16 initial_horizon=24363 selected_horizon=24363 endpoint_lower_bound=17568 lower_bound_gap=6795 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:12.447868Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=16 tile=556 row_words=2974 horizon=24363 2026-09-13T17:38:20.682255Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=36 candidates=195372 ordinary_horizon=8729 paired_horizon=64536 use_paired=false 2026-09-13T17:38:21.573882Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T17:38:21.573946Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:22.127627Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T17:38:28.876419Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=32 candidates=52488 ordinary_horizon=26679 paired_horizon=122694 use_paired=false 2026-09-13T17:38:30.193276Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T17:38:30.193341Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=32 initial_horizon=26679 selected_horizon=26679 endpoint_lower_bound=23424 lower_bound_gap=3255 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:30.757815Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=32 tile=280 row_words=4404 horizon=26679 2026-09-13T17:38:31.028780Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=183 success=true 2026-09-13T17:38:31.033396Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: package build phase finished phase="compile_kernels" elapsed_ms=4 success=true 2026-09-13T17:38:31.042092Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true 2026-09-13T17:38:32.864194Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=86672 maximum_uncompressed_repeat_patch_bytes=0 maximum_elided_arithmetic_patch_bytes=0 2026-09-13T17:38:37.540688Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="size_tile_code"}: package build phase finished phase="size_tile_code" elapsed_ms=323 success=true 2026-09-13T17:38:37.540821Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=386000 host_code_base=386000 host_code_bytes=9140 generated_code_bytes=12364 exchange_table_bytes=86672 executable_ranges=[(377716, 377720), (378604, 378608), (382028, 382032), (384044, 384048), (385020, 385024), (395208, 524288)] 2026-09-13T17:38:37.541015Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=386000 profile_bytes=896 exchange_table_bytes=86672 host_code_bytes=9140 host_data_bytes=6300 generated_code_bytes=12364 code_address=395208 available_ranges=[(327680, 360448), (368508, 376832), (507904, 949168)] 2026-09-13T17:38:38.469432Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="place_storage"}: package build phase finished phase="place_storage" elapsed_ms=928 success=true 2026-09-13T17:38:38.515290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56 2026-09-13T17:38:38.517199Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57 2026-09-13T17:38:38.536567Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58 2026-09-13T17:38:38.543152Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13 2026-09-13T17:38:38.544299Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T17:38:38.544336Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.550952Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T17:38:38.562643Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15 2026-09-13T17:38:38.565362Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67 2026-09-13T17:38:38.566106Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T17:38:38.566126Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.567173Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72 2026-09-13T17:38:38.568105Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T17:38:38.568128Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.571042Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T17:38:38.572771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T17:38:38.574245Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:38:38.574281Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=59 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.580057Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=846 2026-09-13T17:38:38.587695Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65 2026-09-13T17:38:38.588996Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=70 candidates=60 ordinary_horizon=690 paired_horizon=886 use_paired=false 2026-09-13T17:38:38.597734Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60 2026-09-13T17:38:38.598430Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:38:38.598452Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.602292Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T17:38:38.602414Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T17:38:38.602460Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=1222 selected_horizon=1222 endpoint_lower_bound=768 lower_bound_gap=454 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.607072Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74 2026-09-13T17:38:38.610766Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=1098 row_words=17 horizon=1222 2026-09-13T17:38:38.629020Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T17:38:38.629067Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.634966Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T17:38:38.635803Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12 2026-09-13T17:38:38.636382Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62 2026-09-13T17:38:38.639551Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63 2026-09-13T17:38:38.640723Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64 2026-09-13T17:38:38.653523Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T17:38:38.653582Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.657616Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.657669Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.658093Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.658138Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.662408Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T17:38:38.667003Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T17:38:38.667369Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T17:38:38.685447Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66 2026-09-13T17:38:38.691258Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T17:38:38.691290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.700480Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17 2026-09-13T17:38:38.701338Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46 2026-09-13T17:38:38.703137Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T17:38:38.703168Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.706835Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T17:38:38.706883Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.707278Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T17:38:38.712554Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T17:38:38.713782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T17:38:38.724663Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29 2026-09-13T17:38:38.729862Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27 2026-09-13T17:38:38.734528Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.734570Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.741973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T17:38:38.742002Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.744492Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T17:38:38.756391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.756435Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.757173Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47 2026-09-13T17:38:38.763593Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T17:38:38.767292Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T17:38:38.780344Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31 2026-09-13T17:38:38.794731Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:38:38.794774Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=48 initial_horizon=837 selected_horizon=837 endpoint_lower_bound=256 lower_bound_gap=581 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.799788Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=837 2026-09-13T17:38:38.801401Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.801449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.807402Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.807454Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.810955Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T17:38:38.811720Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49 2026-09-13T17:38:38.812290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:38:38.812308Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.815363Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T17:38:38.817349Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T17:38:38.825423Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51 2026-09-13T17:38:38.842514Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19 2026-09-13T17:38:38.843591Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T17:38:38.843624Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:38.848707Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T17:38:38.898483Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41 2026-09-13T17:38:38.923108Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42 2026-09-13T17:38:38.933943Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T17:38:38.934001Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=37 initial_horizon=19778 selected_horizon=19778 endpoint_lower_bound=18432 lower_bound_gap=1346 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.951878Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=37 tile=1139 row_words=55 horizon=19778 2026-09-13T17:38:38.980558Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:38.980598Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:38.990172Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T17:38:39.002733Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40 2026-09-13T17:38:39.025661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:38:39.025722Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:39.037451Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T17:38:39.073648Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=14 candidates=18 ordinary_horizon=1990 paired_horizon=1941 use_paired=false 2026-09-13T17:38:39.115776Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54 2026-09-13T17:38:39.116951Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T17:38:39.116980Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:39.121756Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T17:38:39.123844Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55 2026-09-13T17:38:39.149290Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=30 candidates=18 ordinary_horizon=1986 paired_horizon=1803 use_paired=false 2026-09-13T17:38:39.352499Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T17:38:39.352561Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:39.376402Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T17:38:39.482935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T17:38:39.482993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:39.522464Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T17:38:39.543870Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35 2026-09-13T17:38:39.683813Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25 2026-09-13T17:38:39.701556Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T17:38:39.701588Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:39.723749Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T17:38:39.812694Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T17:38:39.812756Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=53 initial_horizon=8614 selected_horizon=8614 endpoint_lower_bound=6756 lower_bound_gap=1858 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:39.822909Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44 2026-09-13T17:38:39.827910Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T17:38:39.827950Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:39.836141Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=8614 2026-09-13T17:38:39.844661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T17:38:40.321775Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T17:38:40.321871Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:40.365613Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=33 tile=307 row_words=128 horizon=6348 2026-09-13T17:38:40.406977Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11 2026-09-13T17:38:40.495606Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T17:38:40.495649Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:40.574849Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T17:38:40.618631Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71 2026-09-13T17:38:40.620759Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T17:38:40.620789Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:40.628406Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T17:38:41.126671Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T17:38:41.126738Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=22 initial_horizon=10492 selected_horizon=10492 endpoint_lower_bound=6832 lower_bound_gap=3660 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:41.192895Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=22 tile=247 row_words=331 horizon=10492 2026-09-13T17:38:45.188452Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45 2026-09-13T17:38:45.341482Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T17:38:45.341536Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:45.588253Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T17:38:45.825449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=28 candidates=9 ordinary_horizon=1559 paired_horizon=1568 use_paired=false 2026-09-13T17:38:45.974486Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T17:38:45.974541Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=28 initial_horizon=1559 selected_horizon=1559 endpoint_lower_bound=1152 lower_bound_gap=407 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:46.077471Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=28 tile=503 row_words=235 horizon=1559 2026-09-13T17:38:47.151320Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=21323 paired_horizon=28233 use_paired=false 2026-09-13T17:38:47.286511Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:38:47.286578Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=26 initial_horizon=21323 selected_horizon=21323 endpoint_lower_bound=14400 lower_bound_gap=6923 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:47.361842Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=26 tile=202 row_words=373 horizon=21323 2026-09-13T17:38:47.371417Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T17:38:47.371479Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=21 initial_horizon=10043 selected_horizon=10043 endpoint_lower_bound=8424 lower_bound_gap=1619 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:47.485972Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=21 tile=282 row_words=769 horizon=10043 2026-09-13T17:38:48.536276Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34 2026-09-13T17:38:48.774313Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T17:38:48.774388Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=34 initial_horizon=4870 selected_horizon=4870 endpoint_lower_bound=4304 lower_bound_gap=566 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:38:49.340671Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=34 tile=429 row_words=752 horizon=4870 2026-09-13T17:38:51.760749Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=39 candidates=9 ordinary_horizon=1585 paired_horizon=1634 use_paired=false 2026-09-13T17:38:51.944031Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T17:38:51.944087Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=1585 selected_horizon=1585 endpoint_lower_bound=1152 lower_bound_gap=433 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:52.102249Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=1204 row_words=346 horizon=1585 2026-09-13T17:38:59.331109Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T17:38:59.331159Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=7389 selected_horizon=7389 endpoint_lower_bound=3328 lower_bound_gap=4061 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:38:59.633643Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=33 row_words=1583 horizon=7389 2026-09-13T17:39:02.448641Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36 2026-09-13T17:39:02.789543Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T17:39:02.789588Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:39:03.301900Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T17:39:04.531935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T17:39:04.531984Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=6423 selected_horizon=6423 endpoint_lower_bound=3456 lower_bound_gap=2967 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:04.998509Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=623 row_words=1271 horizon=6423 2026-09-13T17:39:06.629249Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T17:39:06.629291Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=23 initial_horizon=8538 selected_horizon=8538 endpoint_lower_bound=5632 lower_bound_gap=2906 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:06.670609Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=23 tile=625 row_words=178 horizon=8538 2026-09-13T17:39:09.853449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=18 candidates=27 ordinary_horizon=4587 paired_horizon=4069 use_paired=false 2026-09-13T17:39:10.205691Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T17:39:10.205725Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=18 initial_horizon=4587 selected_horizon=4587 endpoint_lower_bound=3456 lower_bound_gap=1131 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:10.503550Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=18 tile=325 row_words=894 horizon=4587 2026-09-13T17:39:18.023354Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=43 candidates=52488 ordinary_horizon=16891 paired_horizon=89900 use_paired=false 2026-09-13T17:39:18.538024Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:39:18.538086Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=16891 selected_horizon=16891 endpoint_lower_bound=11712 lower_bound_gap=5179 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:18.804516Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=622 row_words=2119 horizon=16891 2026-09-13T17:39:25.148317Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=16 candidates=52488 ordinary_horizon=18487 paired_horizon=87848 use_paired=false 2026-09-13T17:39:26.013665Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:39:26.013706Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=16 initial_horizon=18487 selected_horizon=18487 endpoint_lower_bound=17568 lower_bound_gap=919 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:26.322121Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=16 tile=363 row_words=2992 horizon=18487 2026-09-13T17:39:49.210462Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=32 candidates=52488 ordinary_horizon=25236 paired_horizon=121013 use_paired=false 2026-09-13T17:39:50.101174Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T17:39:50.101227Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=32 initial_horizon=25236 selected_horizon=25236 endpoint_lower_bound=23424 lower_bound_gap=1812 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:39:50.503507Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=32 tile=607 row_words=4408 horizon=25236 2026-09-13T17:40:07.132025Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=0 candidates=26244 ordinary_horizon=8446 paired_horizon=26995 use_paired=false 2026-09-13T17:40:07.342403Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T17:40:07.342446Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=0 initial_horizon=8446 selected_horizon=8446 endpoint_lower_bound=3904 lower_bound_gap=4542 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:40:07.435015Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=4 row_words=1210 horizon=8446 2026-09-13T17:40:07.459413Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: package build phase finished phase="lower_exchanges" elapsed_ms=88989 success=true 2026-09-13T17:40:27.575876Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=56 2026-09-13T17:40:27.579295Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=57 2026-09-13T17:40:27.599956Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=1 2026-09-13T17:40:27.601282Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-13T17:40:27.601299Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=1 initial_horizon=1222 selected_horizon=1222 endpoint_lower_bound=768 lower_bound_gap=454 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.604771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=58 2026-09-13T17:40:27.605351Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=1 tile=1098 row_words=17 horizon=1222 2026-09-13T17:40:27.612648Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=60 2026-09-13T17:40:27.612974Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=60 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:40:27.612987Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=60 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.614720Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=60 tile=13 row_words=23 horizon=646 2026-09-13T17:40:27.620904Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=61 2026-09-13T17:40:27.628689Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=62 2026-09-13T17:40:27.630424Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=63 2026-09-13T17:40:27.631109Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=64 2026-09-13T17:40:27.631998Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=59 2026-09-13T17:40:27.632666Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=59 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:40:27.632681Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=59 initial_horizon=846 selected_horizon=846 endpoint_lower_bound=256 lower_bound_gap=590 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.632699Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=13 2026-09-13T17:40:27.632699Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=6 2026-09-13T17:40:27.633707Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-13T17:40:27.633728Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.634502Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=3 2026-09-13T17:40:27.636589Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.636611Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.637049Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=59 tile=866 row_words=10 horizon=846 2026-09-13T17:40:27.637486Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=5 2026-09-13T17:40:27.638533Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-13T17:40:27.639506Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.639524Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.642197Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.642231Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.643147Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=9 2026-09-13T17:40:27.643726Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-13T17:40:27.646185Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=65 2026-09-13T17:40:27.647854Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-13T17:40:27.648777Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.648800Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.650286Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-13T17:40:27.656388Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=51 2026-09-13T17:40:27.657153Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=2 2026-09-13T17:40:27.657662Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-13T17:40:27.657859Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=15 2026-09-13T17:40:27.662072Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-13T17:40:27.662096Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.671184Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-13T17:40:27.672109Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=46 2026-09-13T17:40:27.690369Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=70 2026-09-13T17:40:27.707294Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=10 2026-09-13T17:40:27.712193Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.712237Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.714509Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=71 2026-09-13T17:40:27.715301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=71 transfers=2878 maximum_identical_destinations=1 2026-09-13T17:40:27.715315Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=71 initial_horizon=1641 selected_horizon=1641 endpoint_lower_bound=1536 lower_bound_gap=105 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.719446Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=71 tile=1221 row_words=20 horizon=1641 2026-09-13T17:40:27.720724Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-13T17:40:27.725582Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=47 2026-09-13T17:40:27.727464Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=72 2026-09-13T17:40:27.727846Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=72 transfers=1408 maximum_identical_destinations=1 2026-09-13T17:40:27.727855Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=72 initial_horizon=1472 selected_horizon=1472 endpoint_lower_bound=1408 lower_bound_gap=64 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.729769Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=72 tile=13 row_words=28 horizon=1472 2026-09-13T17:40:27.735282Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=27 2026-09-13T17:40:27.735368Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=73 2026-09-13T17:40:27.742718Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=74 2026-09-13T17:40:27.743916Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=66 2026-09-13T17:40:27.745247Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=8 2026-09-13T17:40:27.745482Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=27 transfers=16836 maximum_identical_destinations=1 2026-09-13T17:40:27.745501Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=27 initial_horizon=8173 selected_horizon=8173 endpoint_lower_bound=6912 lower_bound_gap=1261 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.748744Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=35 2026-09-13T17:40:27.749356Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=66 transfers=9654 maximum_identical_destinations=1 2026-09-13T17:40:27.749373Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=66 initial_horizon=1690 selected_horizon=1690 endpoint_lower_bound=1280 lower_bound_gap=410 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.749385Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.749401Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.750254Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=48 2026-09-13T17:40:27.750849Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=48 transfers=1294 maximum_identical_destinations=1 2026-09-13T17:40:27.750860Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=48 initial_horizon=837 selected_horizon=837 endpoint_lower_bound=256 lower_bound_gap=581 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.755255Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=48 tile=866 row_words=10 horizon=837 2026-09-13T17:40:27.755643Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=7 2026-09-13T17:40:27.758036Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-13T17:40:27.759364Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.759386Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.761883Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=66 tile=943 row_words=46 horizon=1690 2026-09-13T17:40:27.764164Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=27 tile=1242 row_words=70 horizon=8173 2026-09-13T17:40:27.765946Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=49 2026-09-13T17:40:27.766454Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=49 transfers=1224 maximum_identical_destinations=1 2026-09-13T17:40:27.766465Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=49 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.766970Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-13T17:40:27.769157Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=49 tile=13 row_words=23 horizon=646 2026-09-13T17:40:27.775991Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=67 2026-09-13T17:40:27.776531Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=67 transfers=1288 maximum_identical_destinations=1 2026-09-13T17:40:27.776555Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=67 initial_horizon=550 selected_horizon=550 endpoint_lower_bound=448 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.778587Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=50 2026-09-13T17:40:27.779689Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=67 tile=171 row_words=13 horizon=550 2026-09-13T17:40:27.793489Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=14 2026-09-13T17:40:27.803449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=68 2026-09-13T17:40:27.804471Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=68 transfers=2207 maximum_identical_destinations=1 2026-09-13T17:40:27.804487Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=68 initial_horizon=207 selected_horizon=207 endpoint_lower_bound=64 lower_bound_gap=143 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.808641Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=68 tile=1116 row_words=45 horizon=207 2026-09-13T17:40:27.833318Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=37 2026-09-13T17:40:27.834661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=69 2026-09-13T17:40:27.835257Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=69 transfers=1474 maximum_identical_destinations=1 2026-09-13T17:40:27.835267Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=69 initial_horizon=427 selected_horizon=427 endpoint_lower_bound=270 lower_bound_gap=157 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.838947Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=69 tile=15 row_words=142 horizon=427 2026-09-13T17:40:27.842858Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=42 2026-09-13T17:40:27.844089Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=37 transfers=2160 maximum_identical_destinations=1 2026-09-13T17:40:27.844109Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=37 initial_horizon=19778 selected_horizon=19778 endpoint_lower_bound=18432 lower_bound_gap=1346 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.858467Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=37 tile=1139 row_words=55 horizon=19778 2026-09-13T17:40:27.870750Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=41 2026-09-13T17:40:27.896457Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=4 2026-09-13T17:40:27.905079Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-13T17:40:27.905098Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.912921Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-13T17:40:27.913449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=38 2026-09-13T17:40:27.918652Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=38 transfers=17040 maximum_identical_destinations=1 2026-09-13T17:40:27.918666Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=38 initial_horizon=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.923247Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=17 2026-09-13T17:40:27.927739Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-13T17:40:27.927757Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:27.930640Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=38 tile=1435 row_words=74 horizon=9228 2026-09-13T17:40:27.937150Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-13T17:40:27.992918Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=44 2026-09-13T17:40:27.998071Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=44 transfers=8580 maximum_identical_destinations=1 2026-09-13T17:40:27.998089Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=44 initial_horizon=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.011072Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=44 tile=495 row_words=42 horizon=9578 2026-09-13T17:40:28.437526Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=33 2026-09-13T17:40:28.445370Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=25 2026-09-13T17:40:28.448686Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=24 transfers=44640 maximum_identical_destinations=1 2026-09-13T17:40:28.448721Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=24 initial_horizon=4884 selected_horizon=4884 endpoint_lower_bound=4160 lower_bound_gap=724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:40:28.458426Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=25 transfers=23312 maximum_identical_destinations=1 2026-09-13T17:40:28.458447Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=25 initial_horizon=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.461165Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=33 transfers=41964 maximum_identical_destinations=1 2026-09-13T17:40:28.461185Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=33 initial_horizon=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.476927Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=25 tile=209 row_words=140 horizon=2781 2026-09-13T17:40:28.477391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=24 tile=1033 row_words=137 horizon=4884 2026-09-13T17:40:28.493237Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=33 tile=307 row_words=128 horizon=6348 2026-09-13T17:40:28.807024Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=53 2026-09-13T17:40:28.818752Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=53 transfers=24031 maximum_identical_destinations=1 2026-09-13T17:40:28.818777Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=53 initial_horizon=8614 selected_horizon=8614 endpoint_lower_bound=6756 lower_bound_gap=1858 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.842362Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=53 tile=101 row_words=125 horizon=8614 2026-09-13T17:40:28.860028Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=54 2026-09-13T17:40:28.860615Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=54 transfers=1440 maximum_identical_destinations=1 2026-09-13T17:40:28.860632Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=54 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.862992Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=54 tile=29 row_words=51 horizon=448 2026-09-13T17:40:28.864455Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=55 2026-09-13T17:40:28.871709Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=40 2026-09-13T17:40:28.892227Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=19 2026-09-13T17:40:28.892993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=19 transfers=2187 maximum_identical_destinations=1 2026-09-13T17:40:28.893007Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=19 initial_horizon=1895 selected_horizon=1895 endpoint_lower_bound=1728 lower_bound_gap=167 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:28.896141Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=19 tile=728 row_words=9 horizon=1895 2026-09-13T17:40:28.903156Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=29 2026-09-13T17:40:29.038993Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=30 2026-09-13T17:40:29.055101Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=31 2026-09-13T17:40:29.446388Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=11 2026-09-13T17:40:29.498502Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=22 transfers=66336 maximum_identical_destinations=1 2026-09-13T17:40:29.498547Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=22 initial_horizon=9143 selected_horizon=9143 endpoint_lower_bound=6832 lower_bound_gap=2311 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:40:29.520313Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-13T17:40:29.520348Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:29.562542Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=22 tile=247 row_words=331 horizon=9143 2026-09-13T17:40:29.596446Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-13T17:40:29.732312Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=28 2026-09-13T17:40:29.790435Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=28 transfers=104913 maximum_identical_destinations=1 2026-09-13T17:40:29.790467Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=28 initial_horizon=1559 selected_horizon=1559 endpoint_lower_bound=1152 lower_bound_gap=407 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:29.879098Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=28 tile=503 row_words=235 horizon=1559 2026-09-13T17:40:30.318319Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=39 2026-09-13T17:40:30.381504Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=39 transfers=104926 maximum_identical_destinations=1 2026-09-13T17:40:30.381532Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=39 initial_horizon=1585 selected_horizon=1585 endpoint_lower_bound=1152 lower_bound_gap=433 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:30.503672Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=39 tile=1204 row_words=346 horizon=1585 2026-09-13T17:40:30.637054Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=23 transfers=39552 maximum_identical_destinations=1 2026-09-13T17:40:30.637099Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=23 initial_horizon=8983 selected_horizon=8983 endpoint_lower_bound=5632 lower_bound_gap=3351 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:40:30.670684Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=23 tile=625 row_words=180 horizon=8983 2026-09-13T17:40:32.298391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=21 2026-09-13T17:40:32.406410Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=21 transfers=56224 maximum_identical_destinations=1 2026-09-13T17:40:32.406442Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=21 initial_horizon=10043 selected_horizon=10043 endpoint_lower_bound=8424 lower_bound_gap=1619 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:32.512814Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=21 tile=282 row_words=769 horizon=10043 2026-09-13T17:40:32.522250Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=45 2026-09-13T17:40:32.637053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=45 transfers=209796 maximum_identical_destinations=1 2026-09-13T17:40:32.637085Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=45 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:32.865600Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=45 tile=58 row_words=929 horizon=2759 2026-09-13T17:40:35.187717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=52 2026-09-13T17:40:35.191706Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=18 2026-09-13T17:40:35.325843Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=52 transfers=232998 maximum_identical_destinations=1 2026-09-13T17:40:35.325875Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=52 initial_horizon=7389 selected_horizon=7389 endpoint_lower_bound=3328 lower_bound_gap=4061 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:35.381917Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=18 transfers=314748 maximum_identical_destinations=1 2026-09-13T17:40:35.381953Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=18 initial_horizon=4587 selected_horizon=4587 endpoint_lower_bound=3456 lower_bound_gap=1131 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:35.642695Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=52 tile=33 row_words=1583 horizon=7389 2026-09-13T17:40:35.696192Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=12 2026-09-13T17:40:35.803519Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=18 tile=325 row_words=894 horizon=4587 2026-09-13T17:40:35.842877Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: compared ordinary and paired exchange schedules phase=26 candidates=52416 ordinary_horizon=22568 paired_horizon=29594 use_paired=false 2026-09-13T17:40:35.953354Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=26 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:40:35.953382Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=26 initial_horizon=22568 selected_horizon=22568 endpoint_lower_bound=14400 lower_bound_gap=8168 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-13T17:40:36.020539Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=26 tile=380 row_words=379 horizon=22568 2026-09-13T17:40:36.118106Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=34 2026-09-13T17:40:36.335782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=34 transfers=391962 maximum_identical_destinations=1 2026-09-13T17:40:36.335814Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=34 initial_horizon=4870 selected_horizon=4870 endpoint_lower_bound=4304 lower_bound_gap=566 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:36.849624Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=34 tile=429 row_words=752 horizon=4870 2026-09-13T17:40:39.100537Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=20 2026-09-13T17:40:39.258800Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=20 transfers=302896 maximum_identical_destinations=1 2026-09-13T17:40:39.258840Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=20 initial_horizon=6423 selected_horizon=6423 endpoint_lower_bound=3456 lower_bound_gap=2967 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:39.725325Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=20 tile=623 row_words=1271 horizon=6423 2026-09-13T17:40:40.892900Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=36 2026-09-13T17:40:41.102918Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=36 transfers=196830 maximum_identical_destinations=1 2026-09-13T17:40:41.102947Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=36 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:41.415970Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=36 tile=105 row_words=2421 horizon=8729 2026-09-13T17:40:43.115856Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=43 2026-09-13T17:40:43.464419Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=43 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:40:43.464463Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=43 initial_horizon=16891 selected_horizon=16891 endpoint_lower_bound=11712 lower_bound_gap=5179 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:43.736931Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=43 tile=622 row_words=2119 horizon=16891 2026-09-13T17:40:43.851879Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=0 2026-09-13T17:40:44.032199Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-13T17:40:44.032251Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=0 initial_horizon=8446 selected_horizon=8446 endpoint_lower_bound=3904 lower_bound_gap=4542 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:44.167335Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=0 tile=4 row_words=1210 horizon=8446 2026-09-13T17:40:45.608239Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=16 2026-09-13T17:40:46.120067Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=16 transfers=54216 maximum_identical_destinations=1 2026-09-13T17:40:46.120102Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=16 initial_horizon=18487 selected_horizon=18487 endpoint_lower_bound=17568 lower_bound_gap=919 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:46.533530Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=16 tile=363 row_words=2992 horizon=18487 2026-09-13T17:40:55.580898Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: reused exchange optimization after validating relocated rows phase=32 2026-09-13T17:40:56.239776Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: prepared large physical exchange phase phase=32 transfers=62172 maximum_identical_destinations=1 2026-09-13T17:40:56.239834Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: optimized physical exchange schedule phase=32 initial_horizon=25236 selected_horizon=25236 endpoint_lower_bound=23424 lower_bound_gap=1812 selected_kind="reused" neighborhood_improvements=0 2026-09-13T17:40:56.793067Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: finished large physical exchange phase phase=32 tile=607 row_words=4408 horizon=25236 2026-09-13T17:40:58.626934Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: evaluated exchange placement candidate offset=20480 baseline_score=243139603712 score=214856281344 baseline_cycles=5360764 candidate_cycles=5369971 row_bytes=86700 row_capacity=98240 accepted=false 2026-09-13T17:41:00.207973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="optimize_exchange_placement"}: package build phase finished phase="optimize_exchange_placement" elapsed_ms=52748 success=true 2026-09-13T17:41:00.317645Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=16985923 final_exchange=5826964 2026-09-13T17:41:03.940665Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="prepare_tile_code"}: package build phase finished phase="prepare_tile_code" elapsed_ms=463 success=true 2026-09-13T17:41:04.137264Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="emit_tile_code"}: package build phase finished phase="emit_tile_code" elapsed_ms=196 success=true 2026-09-13T17:41:04.738002Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="build_tile_images"}: package build phase finished phase="build_tile_images" elapsed_ms=534 success=true 2026-09-13T17:41:05.450087Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=16985923 resuming=true 2026-09-13T17:41:05.953287Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=226758 success=true 2026-09-13T17:41:08.905797Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: wrote exact tile placement profile path=artifacts/exchange-base-aware-20260913/bs2/memory/placement-579018.html 2026-09-13T17:41:10.246143Z INFO writing application package tiles=1472 2026-09-13T17:41:11.370692Z INFO application package written 2026-09-13T17:41:11.375862Z INFO reading application package 2026-09-13T17:41:12.982731Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-13T17:41:12.993658Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-13T17:41:12.993688Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-13T17:41:12.993702Z INFO opening IPU device path="/dev/ipu0" 2026-09-13T17:41:12.993747Z INFO IPU device attached path=/dev/ipu0 2026-09-13T17:41:12.993754Z INFO initializing IPU device 2026-09-13T17:41:13.001651Z INFO IPU device initialized 2026-09-13T17:41:13.001659Z INFO replaying device configuration register_writes=2003 2026-09-13T17:41:13.034661Z INFO loading application tile_count=1472 final_mark=23 2026-09-13T17:41:13.510007Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-13T17:41:16.965164Z INFO prepared reference inputs elapsed_ms=3453 2026-09-13T17:41:16.968548Z INFO configured host reference BLAS threads=4 referencePrecision=fp32 2026-09-13T17:41:57.902621Z INFO evaluated host reference elapsed_ms=40937 2026-09-13T17:41:57.907187Z INFO starting host exchange session startup_mark=23 2026-09-13T17:41:57.907245Z INFO attaching host exchange pages pages=2 2026-09-13T17:41:57.907927Z INFO host exchange session started 2026-09-13T17:41:57.909519Z INFO invoking host exchange call call="initialize" command=0 phases=344 2026-09-13T17:41:58.095599Z INFO invoking host exchange call call="run" command=0 phases=11 referenceMinimumCosineSimilarity=0.994151272 referenceInference=1 numericalTest=PASS 2026-09-13T17:41:58.111936Z INFO invoking host exchange call call="run" command=0 phases=11 referenceMinimumCosineSimilarity=0.994151272 referenceInference=2 numericalTest=PASS referenceMaximumAbsoluteError=0.437303 numericalTest=PASS package=artifacts/exchange-base-aware-20260913/bs2/model.ipuexe tiles=1472 hardwareTest=PASS