2026-09-12T15:48:59.744973Z 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 2026-09-12T15:49:29.538457Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: wrote planner memory profile path=artifacts/relay-big-20260912/siglip-b2-materialized/memory/baseline-467561-0000.json scope="baseline" peak_step=67 effective_peak_bytes=514680 2026-09-12T15:49:43.045171Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=11430 expansion_and_footprint_ms=13506 estimated_row_bytes=98296 heuristic_row_bytes=427632 geometry_fragments_per_tile=11579 fragment_limit=16384 2026-09-12T15:49:43.223807Z 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=1296 2026-09-12T15:49:43.966874Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=74 candidates=64 ordinary_horizon=231 paired_horizon=1250 use_paired=false 2026-09-12T15:49:43.977052Z 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=1224 maximum_identical_destinations=1 2026-09-12T15:49:43.977080Z 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=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:43.978727Z 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=13 row_words=23 horizon=646 2026-09-12T15:49:43.998787Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=30 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:49:43.998819Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=30 initial_horizon=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.002728Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.002755Z 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=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.002826Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=30 tile=486 row_words=67 horizon=7201 2026-09-12T15:49:44.005846Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=112 transfers=2207 maximum_identical_destinations=1 2026-09-12T15:49:44.005879Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=112 initial_horizon=221 selected_horizon=221 endpoint_lower_bound=112 lower_bound_gap=109 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.005935Z 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=269 row_words=72 horizon=7201 2026-09-12T15:49:44.007512Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.007538Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.008771Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=112 tile=25 row_words=73 horizon=221 2026-09-12T15:49:44.011172Z 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=510 row_words=71 horizon=7200 2026-09-12T15:49:44.016293Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=29 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.016316Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=29 initial_horizon=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.019150Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=29 tile=622 row_words=66 horizon=7202 2026-09-12T15:49:44.019344Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.019377Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.023524Z 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=248 row_words=71 horizon=7200 2026-09-12T15:49:44.024152Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=115 transfers=1725 maximum_identical_destinations=1 2026-09-12T15:49:44.024180Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=115 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.026451Z 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 2026-09-12T15:49:44.026477Z 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 2026-09-12T15:49:44.027941Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=115 tile=1357 row_words=14 horizon=1112 2026-09-12T15:49:44.028483Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.028501Z 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=7196 selected_horizon=7196 endpoint_lower_bound=7104 lower_bound_gap=92 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.031713Z 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=574 row_words=72 horizon=7196 2026-09-12T15:49:44.033382Z 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 2026-09-12T15:49:44.034012Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.034026Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.034644Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=31 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.034664Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=31 initial_horizon=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.036853Z 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=382 row_words=72 horizon=7200 2026-09-12T15:49:44.038221Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=31 tile=502 row_words=67 horizon=7200 2026-09-12T15:49:44.042301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=116 transfers=1368 maximum_identical_destinations=1 2026-09-12T15:49:44.042319Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=116 initial_horizon=710 selected_horizon=710 endpoint_lower_bound=608 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.043449Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=116 tile=13 row_words=25 horizon=710 2026-09-12T15:49:44.051968Z 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 2026-09-12T15:49:44.052000Z 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 2026-09-12T15:49:44.055177Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=35 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.055226Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=35 initial_horizon=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.058647Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=35 tile=547 row_words=72 horizon=7200 2026-09-12T15:49:44.059125Z 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 2026-09-12T15:49:44.063160Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=114 candidates=38 ordinary_horizon=4410 paired_horizon=4738 use_paired=false 2026-09-12T15:49:44.067896Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=75 candidates=110 ordinary_horizon=194 paired_horizon=346 use_paired=false 2026-09-12T15:49:44.075937Z 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 2026-09-12T15:49:44.075955Z 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 2026-09-12T15:49:44.080581Z 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 2026-09-12T15:49:44.090815Z 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 2026-09-12T15:49:44.090849Z 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 2026-09-12T15:49:44.091502Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=76 transfers=1438 maximum_identical_destinations=1 2026-09-12T15:49:44.091529Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=76 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.094229Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=76 tile=875 row_words=10 horizon=1112 2026-09-12T15:49:44.096631Z 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 2026-09-12T15:49:44.098985Z 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=8580 maximum_identical_destinations=1 2026-09-12T15:49:44.099005Z 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=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.103752Z 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=495 row_words=42 horizon=9578 2026-09-12T15:49:44.122580Z 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 2026-09-12T15:49:44.122597Z 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 2026-09-12T15:49:44.128558Z 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 2026-09-12T15:49:44.147442Z 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 2026-09-12T15:49:44.147456Z 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 2026-09-12T15:49:44.150270Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=113 transfers=1471 maximum_identical_destinations=1 2026-09-12T15:49:44.150297Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=113 initial_horizon=4358 selected_horizon=4358 endpoint_lower_bound=4300 lower_bound_gap=58 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.151076Z 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 2026-09-12T15:49:44.151758Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=113 tile=0 row_words=1476 horizon=4358 2026-09-12T15:49:44.160166Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=47 transfers=2160 maximum_identical_destinations=1 2026-09-12T15:49:44.160194Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=47 initial_horizon=22673 selected_horizon=22673 endpoint_lower_bound=18432 lower_bound_gap=4241 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.165630Z 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 2026-09-12T15:49:44.165653Z 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 2026-09-12T15:49:44.170010Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=47 tile=1073 row_words=59 horizon=22673 2026-09-12T15:49:44.170392Z 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 2026-09-12T15:49:44.170407Z 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 2026-09-12T15:49:44.171963Z 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 2026-09-12T15:49:44.174917Z 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 2026-09-12T15:49:44.179722Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=57 candidates=136 ordinary_horizon=193 paired_horizon=438 use_paired=false 2026-09-12T15:49:44.184467Z 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 2026-09-12T15:49:44.184482Z 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 2026-09-12T15:49:44.186359Z 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 2026-09-12T15:49:44.187476Z 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=6672 maximum_identical_destinations=1 2026-09-12T15:49:44.187502Z 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=7208 selected_horizon=7208 endpoint_lower_bound=7104 lower_bound_gap=104 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.189396Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=70 transfers=1224 maximum_identical_destinations=1 2026-09-12T15:49:44.189410Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=70 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.190235Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=70 tile=13 row_words=23 horizon=646 2026-09-12T15:49:44.191701Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=68 candidates=34 ordinary_horizon=1264 paired_horizon=2801 use_paired=false 2026-09-12T15:49:44.192924Z 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=440 row_words=75 horizon=7208 2026-09-12T15:49:44.201946Z 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=1294 maximum_identical_destinations=1 2026-09-12T15:49:44.201969Z 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=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.204290Z 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=866 row_words=10 horizon=471 2026-09-12T15:49:44.205301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=64 transfers=1440 maximum_identical_destinations=1 2026-09-12T15:49:44.205325Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=64 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.206677Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=64 tile=29 row_words=51 horizon=448 2026-09-12T15:49:44.217541Z 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 2026-09-12T15:49:44.217566Z 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 2026-09-12T15:49:44.224432Z 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 2026-09-12T15:49:44.229180Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:49:44.229233Z 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=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.231969Z 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=318 row_words=67 horizon=7202 2026-09-12T15:49:44.248483Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=51 candidates=18 ordinary_horizon=1897 paired_horizon=1708 use_paired=false 2026-09-12T15:49:44.261782Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=14 candidates=18 ordinary_horizon=1899 paired_horizon=1850 use_paired=false 2026-09-12T15:49:44.268953Z 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=17040 maximum_identical_destinations=1 2026-09-12T15:49:44.268981Z 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=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.276554Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=40 candidates=18 ordinary_horizon=1892 paired_horizon=1710 use_paired=false 2026-09-12T15:49:44.277768Z 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=1435 row_words=74 horizon=9228 2026-09-12T15:49:44.282338Z 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 2026-09-12T15:49:44.282367Z 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 2026-09-12T15:49:44.284894Z 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 2026-09-12T15:49:44.287657Z 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 2026-09-12T15:49:44.287689Z 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 2026-09-12T15:49:44.288220Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=58 transfers=1294 maximum_identical_destinations=1 2026-09-12T15:49:44.288236Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=58 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.289479Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=58 tile=866 row_words=10 horizon=471 2026-09-12T15:49:44.294331Z 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 2026-09-12T15:49:44.669719Z 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 2026-09-12T15:49:44.669765Z 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 2026-09-12T15:49:44.681857Z 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 2026-09-12T15:49:44.730858Z 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=41964 maximum_identical_destinations=1 2026-09-12T15:49:44.730897Z 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=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.753774Z 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=307 row_words=127 horizon=6348 2026-09-12T15:49:44.806706Z 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=59200 maximum_identical_destinations=1 2026-09-12T15:49:44.806737Z 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=6600 selected_horizon=6600 endpoint_lower_bound=5840 lower_bound_gap=760 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:44.831189Z 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=305 row_words=184 horizon=6600 2026-09-12T15:49:45.200665Z 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=73600 maximum_identical_destinations=1 2026-09-12T15:49:45.200708Z 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=16592 selected_horizon=16592 endpoint_lower_bound=11520 lower_bound_gap=5072 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:45.238256Z 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=155 row_words=288 horizon=16592 2026-09-12T15:49:45.427775Z 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=66240 maximum_identical_destinations=1 2026-09-12T15:49:45.427815Z 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=10626 selected_horizon=10626 endpoint_lower_bound=6000 lower_bound_gap=4626 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:45.459242Z 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=1125 row_words=321 horizon=10626 2026-09-12T15:49:45.719949Z 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 2026-09-12T15:49:45.719984Z 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 2026-09-12T15:49:45.765701Z 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 2026-09-12T15:49:46.909717Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=53 candidates=720 ordinary_horizon=18926 paired_horizon=11913 use_paired=false 2026-09-12T15:49:46.949843Z 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=104892 maximum_identical_destinations=1 2026-09-12T15:49:46.949880Z 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=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:46.951439Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:49:46.951459Z 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=18926 selected_horizon=18926 endpoint_lower_bound=12112 lower_bound_gap=6814 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:46.976034Z 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=1216 row_words=235 horizon=18926 2026-09-12T15:49:47.005565Z 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=173 row_words=481 horizon=1440 2026-09-12T15:49:47.445467Z 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=720 ordinary_horizon=13537 paired_horizon=8368 use_paired=false 2026-09-12T15:49:47.512425Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:49:47.512458Z 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=13537 selected_horizon=13537 endpoint_lower_bound=6352 lower_bound_gap=7185 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:47.555104Z 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=1364 row_words=222 horizon=13537 2026-09-12T15:49:48.591678Z 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=720 ordinary_horizon=23913 paired_horizon=19870 use_paired=false 2026-09-12T15:49:48.658891Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:49:48.658920Z 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=23913 selected_horizon=23913 endpoint_lower_bound=17872 lower_bound_gap=6041 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:48.701582Z 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=1225 row_words=236 horizon=23913 2026-09-12T15:49:50.730047Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=42 candidates=648 ordinary_horizon=26420 paired_horizon=18886 use_paired=false 2026-09-12T15:49:50.837309Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=42 transfers=62820 maximum_identical_destinations=1 2026-09-12T15:49:50.837346Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=42 initial_horizon=26420 selected_horizon=26420 endpoint_lower_bound=23696 lower_bound_gap=2724 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:50.901883Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=42 tile=1191 row_words=394 horizon=26420 2026-09-12T15:49:51.586734Z 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=314620 maximum_identical_destinations=1 2026-09-12T15:49:51.586784Z 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=3970 selected_horizon=3970 endpoint_lower_bound=3456 lower_bound_gap=514 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:52.039973Z 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=291 row_words=1261 horizon=3970 2026-09-12T15:49:53.129786Z 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=391902 maximum_identical_destinations=1 2026-09-12T15:49:53.129829Z 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=4788 selected_horizon=4788 endpoint_lower_bound=4304 lower_bound_gap=484 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:53.482699Z 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=446 row_words=1095 horizon=4788 2026-09-12T15:49:55.809278Z 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=186368 maximum_identical_destinations=1 2026-09-12T15:49:55.809317Z 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=8379 selected_horizon=8379 endpoint_lower_bound=6832 lower_bound_gap=1547 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:55.939848Z 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=142 row_words=2246 horizon=8379 2026-09-12T15:49:56.306255Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=63 transfers=23040 maximum_identical_destinations=1 2026-09-12T15:49:56.306298Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=63 initial_horizon=2415 selected_horizon=2415 endpoint_lower_bound=2304 lower_bound_gap=111 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:56.319187Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=63 tile=185 row_words=107 horizon=2415 2026-09-12T15:49:58.210541Z 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=104892 maximum_identical_destinations=1 2026-09-12T15:49:58.210595Z 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=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:49:58.289630Z 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=173 row_words=481 horizon=1440 2026-09-12T15:50:00.776415Z 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=49824 maximum_identical_destinations=1 2026-09-12T15:50:00.776460Z 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=11068 selected_horizon=11068 endpoint_lower_bound=8676 lower_bound_gap=2392 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:00.874449Z 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=176 row_words=787 horizon=11068 2026-09-12T15:50:01.916451Z 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 2026-09-12T15:50:02.228398Z 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 2026-09-12T15:50:02.228442Z 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 2026-09-12T15:50:02.341797Z 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 2026-09-12T15:50:02.444941Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=209796 maximum_identical_destinations=1 2026-09-12T15:50:02.444992Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:02.641313Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=58 row_words=929 horizon=2759 2026-09-12T15:50:10.002272Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=62 transfers=139808 maximum_identical_destinations=1 2026-09-12T15:50:10.002352Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=62 initial_horizon=13086 selected_horizon=13086 endpoint_lower_bound=8164 lower_bound_gap=4922 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:10.114750Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=62 tile=150 row_words=2143 horizon=13086 2026-09-12T15:50:36.166652Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=46 candidates=195372 ordinary_horizon=8729 paired_horizon=64536 use_paired=false 2026-09-12T15:50:36.966824Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=46 transfers=196830 maximum_identical_destinations=1 2026-09-12T15:50:36.966876Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=46 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:37.431303Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=46 tile=105 row_words=2421 horizon=8729 2026-09-12T15:50:37.615886Z 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=95 success=true 2026-09-12T15:50:37.617849Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f16_interleaved_k80_c144_r81_r81" target=ipu21 2026-09-12T15:50:37.670117Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/7e427eaa0a8c503cfc28e326975d6a0a94963b2f0bcdd450fff7c0f20bce2171/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/7e427eaa0a8c503cfc28e326975d6a0a94963b2f0bcdd450fff7c0f20bce2171/kernel.json 2026-09-12T15:50:37.670661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f16_interleaved_k80_c160_r81_r81" target=ipu21 2026-09-12T15:50:37.719639Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/d6cd6646b69f7837752c67f343ce34d36831282a035780a9685c2d62322c8e8e/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/d6cd6646b69f7837752c67f343ce34d36831282a035780a9685c2d62322c8e8e/kernel.json 2026-09-12T15:50:37.719996Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/gemm_f16_amp.S name="gemm_f16_interleaved_k96_c80_r145_r146" target=ipu21 2026-09-12T15:50:37.781301Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/8d4999cca847b15b757fd499c47b91f531b630694e10795fdda3d2e50641c23c/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/8d4999cca847b15b757fd499c47b91f531b630694e10795fdda3d2e50641c23c/kernel.json 2026-09-12T15:50:37.783978Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: compiling kernel source=device/rearrange_amp_left_f16.S name="rearrange_f16_codelet_o0_r81_p81_c80_p80" target=ipu21 2026-09-12T15:50:37.830699Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="compile_kernels"}: kernel artifact created object=/srv/home/.cache/ipu-stack/kernels/2faef635db1afcce310d59edc2286c4034e2b830f362c68175468cc9d9a2b1f2/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/2faef635db1afcce310d59edc2286c4034e2b830f362c68175468cc9d9a2b1f2/kernel.json 2026-09-12T15:50:37.832351Z 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=216 success=true 2026-09-12T15:50:37.843231Z 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 2026-09-12T15:50:38.842014Z 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=68044 maximum_uncompressed_repeat_patch_bytes=2592 maximum_elided_arithmetic_patch_bytes=2592 2026-09-12T15:50:42.064527Z 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=77 success=true 2026-09-12T15:50:42.064577Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=385004 host_code_base=385008 host_code_bytes=8940 generated_code_bytes=14008 exchange_table_bytes=68044 executable_ranges=[(377220, 377224), (381428, 381432), (382012, 382016), (384028, 384032), (385004, 385008), (394016, 524288)] 2026-09-12T15:50:42.064595Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=385004 profile_bytes=0 exchange_table_bytes=68044 host_code_bytes=8940 host_data_bytes=6168 generated_code_bytes=14008 code_address=394016 available_ranges=[(327680, 360448), (368376, 376832), (491520, 949168)] 2026-09-12T15:50:42.747404Z 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=682 success=true 2026-09-12T15:50:42.750377Z 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=89 2026-09-12T15:50:42.751403Z 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=111 2026-09-12T15:50:42.751502Z 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=104 2026-09-12T15:50:42.751544Z 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 2026-09-12T15:50:42.752045Z 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=90 2026-09-12T15:50:42.753096Z 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 2026-09-12T15:50:42.753482Z 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=105 2026-09-12T15:50:42.753526Z 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=91 2026-09-12T15:50:42.754935Z 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=92 2026-09-12T15:50:42.755296Z 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=106 2026-09-12T15:50:42.756380Z 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=93 2026-09-12T15:50:42.757114Z 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=107 2026-09-12T15:50:42.757797Z 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=94 2026-09-12T15:50:42.758760Z 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=108 2026-09-12T15:50:42.759242Z 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=95 2026-09-12T15:50:42.760465Z 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=109 2026-09-12T15:50:42.760656Z 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=96 2026-09-12T15:50:42.762004Z 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=97 2026-09-12T15:50:42.762220Z 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=110 2026-09-12T15:50:42.763355Z 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=98 2026-09-12T15:50:42.764016Z 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=59 2026-09-12T15:50:42.764686Z 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=1224 maximum_identical_destinations=1 2026-09-12T15:50:42.764711Z 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=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.764721Z 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=99 2026-09-12T15:50:42.766117Z 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=100 2026-09-12T15:50:42.766279Z 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=13 row_words=23 horizon=646 2026-09-12T15:50:42.767513Z 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=101 2026-09-12T15:50:42.768580Z 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=68 2026-09-12T15:50:42.768885Z 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=102 2026-09-12T15:50:42.770258Z 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=103 2026-09-12T15:50:42.776634Z 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 2026-09-12T15:50:42.777433Z 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=81 2026-09-12T15:50:42.778650Z 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=82 2026-09-12T15:50:42.779226Z 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 2026-09-12T15:50:42.779743Z 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=83 2026-09-12T15:50:42.780429Z 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=70 2026-09-12T15:50:42.780518Z 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=112 2026-09-12T15:50:42.780810Z 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=84 2026-09-12T15:50:42.780876Z 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 2026-09-12T15:50:42.780993Z 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=70 transfers=1224 maximum_identical_destinations=1 2026-09-12T15:50:42.781006Z 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=70 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.781411Z 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=112 transfers=2207 maximum_identical_destinations=1 2026-09-12T15:50:42.781429Z 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=112 initial_horizon=221 selected_horizon=221 endpoint_lower_bound=112 lower_bound_gap=109 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.781720Z 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=85 2026-09-12T15:50:42.781886Z 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=87 2026-09-12T15:50:42.782033Z 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=29 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.782046Z 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=29 initial_horizon=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.782330Z 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=70 tile=13 row_words=23 horizon=646 2026-09-12T15:50:42.782931Z 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=88 2026-09-12T15:50:42.783018Z 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=112 tile=25 row_words=73 horizon=221 2026-09-12T15:50:42.783443Z 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=86 2026-09-12T15:50:42.783998Z 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=29 tile=622 row_words=66 horizon=7202 2026-09-12T15:50:42.784958Z 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=77 2026-09-12T15:50:42.786635Z 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=78 2026-09-12T15:50:42.787948Z 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=79 2026-09-12T15:50:42.787979Z 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=80 2026-09-12T15:50:42.788944Z 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=61 2026-09-12T15:50:42.796289Z 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=113 2026-09-12T15:50:42.796801Z 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=113 transfers=1471 maximum_identical_destinations=1 2026-09-12T15:50:42.796797Z 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 2026-09-12T15:50:42.796811Z 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=113 initial_horizon=4358 selected_horizon=4358 endpoint_lower_bound=4300 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.798170Z 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=113 tile=0 row_words=1476 horizon=4358 2026-09-12T15:50:42.802981Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30 2026-09-12T15:50:42.803928Z 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=30 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.803942Z 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=30 initial_horizon=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.805775Z 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=30 tile=486 row_words=67 horizon=7201 2026-09-12T15:50:42.808254Z 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=75 2026-09-12T15:50:42.809694Z 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=114 2026-09-12T15:50:42.815198Z 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 2026-09-12T15:50:42.815634Z 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=28 2026-09-12T15:50:42.817479Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.817498Z 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=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.819004Z 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=73 2026-09-12T15:50:42.819076Z 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 2026-09-12T15:50:42.820586Z 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=318 row_words=67 horizon=7202 2026-09-12T15:50:42.821785Z 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=6672 maximum_identical_destinations=1 2026-09-12T15:50:42.821809Z 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=7208 selected_horizon=7208 endpoint_lower_bound=7104 lower_bound_gap=104 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.824146Z 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 2026-09-12T15:50:42.824968Z 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=3 2026-09-12T15:50:42.825051Z 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=31 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.825063Z 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=31 initial_horizon=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.825908Z 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=440 row_words=75 horizon=7208 2026-09-12T15:50:42.826921Z 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=31 tile=502 row_words=67 horizon=7200 2026-09-12T15:50:42.829496Z 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 2026-09-12T15:50:42.829517Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.831620Z 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 2026-09-12T15:50:42.834027Z 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 2026-09-12T15:50:42.834046Z 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 2026-09-12T15:50:42.835313Z 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 2026-09-12T15:50:42.837786Z 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=115 transfers=1725 maximum_identical_destinations=1 2026-09-12T15:50:42.837811Z 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=115 initial_horizon=2104 selected_horizon=2104 endpoint_lower_bound=896 lower_bound_gap=1208 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:42.839773Z 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 2026-09-12T15:50:42.840103Z 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=115 tile=1357 row_words=14 horizon=2104 2026-09-12T15:50:42.844549Z 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=6 2026-09-12T15:50:42.844935Z 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=32 2026-09-12T15:50:42.845852Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.845865Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.846538Z 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=76 transfers=1438 maximum_identical_destinations=1 2026-09-12T15:50:42.846574Z 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=76 initial_horizon=2372 selected_horizon=2372 endpoint_lower_bound=896 lower_bound_gap=1476 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:42.847693Z 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=510 row_words=71 horizon=7200 2026-09-12T15:50:42.847966Z 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 2026-09-12T15:50:42.847984Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.849530Z 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=76 tile=875 row_words=10 horizon=2372 2026-09-12T15:50:42.850494Z 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=116 2026-09-12T15:50:42.850888Z 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=116 transfers=1368 maximum_identical_destinations=1 2026-09-12T15:50:42.850900Z 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=116 initial_horizon=710 selected_horizon=710 endpoint_lower_bound=608 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.852027Z 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=116 tile=13 row_words=25 horizon=710 2026-09-12T15:50:42.852177Z 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=7 2026-09-12T15:50:42.852825Z 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 2026-09-12T15:50:42.853000Z 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 2026-09-12T15:50:42.853530Z 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 2026-09-12T15:50:42.853717Z 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=64 transfers=1440 maximum_identical_destinations=1 2026-09-12T15:50:42.853728Z 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=64 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.855172Z 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 2026-09-12T15:50:42.855193Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.855648Z 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=64 tile=29 row_words=51 horizon=448 2026-09-12T15:50:42.858861Z 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 2026-09-12T15:50:42.858911Z 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=117 2026-09-12T15:50:42.859230Z 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 2026-09-12T15:50:42.860397Z 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=2 2026-09-12T15:50:42.865608Z 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=33 2026-09-12T15:50:42.866501Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.866514Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.866661Z 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=118 2026-09-12T15:50:42.866878Z 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 2026-09-12T15:50:42.866902Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.867635Z 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 2026-09-12T15:50:42.867673Z 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=1560 selected_horizon=1560 endpoint_lower_bound=768 lower_bound_gap=792 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:42.868369Z 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=382 row_words=72 horizon=7200 2026-09-12T15:50:42.873063Z 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=1210 row_words=18 horizon=1560 2026-09-12T15:50:42.874121Z 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 2026-09-12T15:50:42.876515Z 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 2026-09-12T15:50:42.878666Z 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=5 2026-09-12T15:50:42.884422Z 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 2026-09-12T15:50:42.885087Z 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 2026-09-12T15:50:42.885106Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.885155Z 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 2026-09-12T15:50:42.885166Z 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 2026-09-12T15:50:42.886493Z 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 2026-09-12T15:50:42.886921Z 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=10 2026-09-12T15:50:42.887101Z 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 2026-09-12T15:50:42.887397Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.887409Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.889335Z 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=248 row_words=71 horizon=7200 2026-09-12T15:50:42.890983Z 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 2026-09-12T15:50:42.891004Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.893391Z 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 2026-09-12T15:50:42.896292Z 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 2026-09-12T15:50:42.896905Z 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=4 2026-09-12T15:50:42.901275Z 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 2026-09-12T15:50:42.901294Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.906165Z 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=1294 maximum_identical_destinations=1 2026-09-12T15:50:42.906194Z 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=1161 selected_horizon=1161 endpoint_lower_bound=256 lower_bound_gap=905 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:42.907038Z 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 2026-09-12T15:50:42.907383Z 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 2026-09-12T15:50:42.908132Z 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=1244 row_words=10 horizon=1161 2026-09-12T15:50:42.908282Z 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=35 transfers=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.908294Z 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=35 initial_horizon=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.909109Z 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=8 2026-09-12T15:50:42.910136Z 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=35 tile=547 row_words=72 horizon=7200 2026-09-12T15:50:42.912946Z 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 2026-09-12T15:50:42.912968Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.917857Z 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 2026-09-12T15:50:42.917885Z 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 2026-09-12T15:50:42.928183Z 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 2026-09-12T15:50:42.929122Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.929134Z 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=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.930996Z 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=50 2026-09-12T15:50:42.931016Z 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=269 row_words=72 horizon=7201 2026-09-12T15:50:42.937570Z 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=52 2026-09-12T15:50:42.946194Z 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=9 2026-09-12T15:50:42.949235Z 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=37 2026-09-12T15:50:42.950110Z 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=3456 maximum_identical_destinations=1 2026-09-12T15:50:42.950120Z 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=7196 selected_horizon=7196 endpoint_lower_bound=7104 lower_bound_gap=92 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:42.951145Z 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 2026-09-12T15:50:42.951188Z 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="reused" neighborhood_improvements=0 2026-09-12T15:50:42.951943Z 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=574 row_words=72 horizon=7196 2026-09-12T15:50:42.959958Z 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 2026-09-12T15:50:42.960002Z 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 2026-09-12T15:50:42.962316Z 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=39 2026-09-12T15:50:42.974145Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14 2026-09-12T15:50:43.007568Z 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 2026-09-12T15:50:43.037331Z 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 2026-09-12T15:50:43.040044Z 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 2026-09-12T15:50:43.067615Z 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 2026-09-12T15:50:43.071830Z 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=58 transfers=1294 maximum_identical_destinations=1 2026-09-12T15:50:43.071855Z 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=58 initial_horizon=973 selected_horizon=973 endpoint_lower_bound=256 lower_bound_gap=717 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:43.073779Z 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=58 tile=777 row_words=10 horizon=973 2026-09-12T15:50:43.096462Z 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 2026-09-12T15:50:43.156057Z 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 2026-09-12T15:50:43.165404Z 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=63 transfers=23040 maximum_identical_destinations=1 2026-09-12T15:50:43.165429Z 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=63 initial_horizon=2415 selected_horizon=2415 endpoint_lower_bound=2304 lower_bound_gap=111 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:43.178133Z 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=63 tile=185 row_words=107 horizon=2415 2026-09-12T15:50:43.225610Z 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=47 transfers=2160 maximum_identical_destinations=1 2026-09-12T15:50:43.225648Z 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=47 initial_horizon=21347 selected_horizon=21347 endpoint_lower_bound=18432 lower_bound_gap=2915 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:43.238895Z 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=47 tile=1145 row_words=58 horizon=21347 2026-09-12T15:50:43.275602Z 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 2026-09-12T15:50:43.287292Z 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 2026-09-12T15:50:43.287325Z 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 2026-09-12T15:50:43.299548Z 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 2026-09-12T15:50:43.704035Z 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=24 2026-09-12T15:50:43.707196Z 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=43 2026-09-12T15:50:43.725900Z 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=41964 maximum_identical_destinations=1 2026-09-12T15:50:43.725933Z 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=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:43.734098Z 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=59200 maximum_identical_destinations=1 2026-09-12T15:50:43.734135Z 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=6600 selected_horizon=6600 endpoint_lower_bound=5840 lower_bound_gap=760 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:43.750279Z 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=307 row_words=127 horizon=6348 2026-09-12T15:50:43.784675Z 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=305 row_words=184 horizon=6600 2026-09-12T15:50:44.519893Z 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=26 2026-09-12T15:50:44.564223Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:50:44.564263Z 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=13537 selected_horizon=13537 endpoint_lower_bound=6352 lower_bound_gap=7185 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:44.605629Z 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=1364 row_words=222 horizon=13537 2026-09-12T15:50:44.679656Z 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 2026-09-12T15:50:44.779419Z 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 2026-09-12T15:50:44.779458Z 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 2026-09-12T15:50:44.844098Z 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 2026-09-12T15:50:44.881565Z 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=73600 maximum_identical_destinations=1 2026-09-12T15:50:44.881604Z 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=17417 selected_horizon=17417 endpoint_lower_bound=11520 lower_bound_gap=5897 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:44.921999Z 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=142 row_words=294 horizon=17417 2026-09-12T15:50:45.163661Z 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=66240 maximum_identical_destinations=1 2026-09-12T15:50:45.163706Z 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=10028 selected_horizon=10028 endpoint_lower_bound=6000 lower_bound_gap=4028 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:45.207948Z 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=1308 row_words=323 horizon=10028 2026-09-12T15:50:45.860394Z 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=38 2026-09-12T15:50:45.932502Z 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=104892 maximum_identical_destinations=1 2026-09-12T15:50:45.932566Z 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=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:46.019167Z 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=173 row_words=481 horizon=1440 2026-09-12T15:50:47.281615Z 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=20 2026-09-12T15:50:47.408906Z 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=186368 maximum_identical_destinations=1 2026-09-12T15:50:47.408959Z 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=8379 selected_horizon=8379 endpoint_lower_bound=6832 lower_bound_gap=1547 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:47.529992Z 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 2026-09-12T15:50:47.609655Z 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=142 row_words=2246 horizon=8379 2026-09-12T15:50:47.679047Z 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=55 transfers=209796 maximum_identical_destinations=1 2026-09-12T15:50:47.679097Z 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=55 initial_horizon=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:47.884650Z 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=55 tile=58 row_words=929 horizon=2759 2026-09-12T15:50:47.949177Z 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=720 ordinary_horizon=23913 paired_horizon=19870 use_paired=false 2026-09-12T15:50:47.999109Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:50:47.999137Z 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=23913 selected_horizon=23913 endpoint_lower_bound=17872 lower_bound_gap=6041 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:48.032085Z 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=1225 row_words=236 horizon=23913 2026-09-12T15:50:48.397138Z 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 2026-09-12T15:50:48.531484Z 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=391902 maximum_identical_destinations=1 2026-09-12T15:50:48.531515Z 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=4788 selected_horizon=4788 endpoint_lower_bound=4304 lower_bound_gap=484 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:48.622711Z 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=53 candidates=720 ordinary_horizon=19955 paired_horizon=12921 use_paired=false 2026-09-12T15:50:48.693110Z 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=54936 maximum_identical_destinations=1 2026-09-12T15:50:48.693148Z 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=19955 selected_horizon=19955 endpoint_lower_bound=12112 lower_bound_gap=7843 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:48.736799Z 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=1153 row_words=233 horizon=19955 2026-09-12T15:50:48.783547Z 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=446 row_words=1095 horizon=4788 2026-09-12T15:50:49.527517Z 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 2026-09-12T15:50:49.607787Z 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=104892 maximum_identical_destinations=1 2026-09-12T15:50:49.607819Z 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=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:49.690993Z 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=173 row_words=481 horizon=1440 2026-09-12T15:50:51.504371Z 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=42 candidates=648 ordinary_horizon=25261 paired_horizon=17885 use_paired=false 2026-09-12T15:50:51.611423Z 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=42 transfers=62820 maximum_identical_destinations=1 2026-09-12T15:50:51.611458Z 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=42 initial_horizon=25261 selected_horizon=25261 endpoint_lower_bound=23696 lower_bound_gap=1565 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T15:50:51.674340Z 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=42 tile=1378 row_words=395 horizon=25261 2026-09-12T15:50:51.762043Z 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 2026-09-12T15:50:51.769777Z 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=8580 maximum_identical_destinations=1 2026-09-12T15:50:51.769807Z 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=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:51.777392Z 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=495 row_words=42 horizon=9578 2026-09-12T15:50:51.787441Z 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=48 2026-09-12T15:50:51.792419Z 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=17040 maximum_identical_destinations=1 2026-09-12T15:50:51.792435Z 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=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:51.801405Z 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=1435 row_words=74 horizon=9228 2026-09-12T15:50:55.068286Z 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 2026-09-12T15:50:55.148524Z 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=62 transfers=139808 maximum_identical_destinations=1 2026-09-12T15:50:55.148557Z 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=62 initial_horizon=13086 selected_horizon=13086 endpoint_lower_bound=8164 lower_bound_gap=4922 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:55.260370Z 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=62 tile=150 row_words=2143 horizon=13086 2026-09-12T15:50:57.847837Z 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 2026-09-12T15:50:58.220732Z 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=46 transfers=196830 maximum_identical_destinations=1 2026-09-12T15:50:58.220786Z 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=46 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:50:58.673498Z 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=46 tile=105 row_words=2421 horizon=8729 2026-09-12T15:51:02.913639Z 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=21 2026-09-12T15:51:03.006863Z 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=49824 maximum_identical_destinations=1 2026-09-12T15:51:03.006899Z 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=11068 selected_horizon=11068 endpoint_lower_bound=8676 lower_bound_gap=2392 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:51:03.108420Z 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=176 row_words=787 horizon=11068 2026-09-12T15:51:04.539520Z 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=18 2026-09-12T15:51:04.690045Z 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=314620 maximum_identical_destinations=1 2026-09-12T15:51:04.690083Z 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=3970 selected_horizon=3970 endpoint_lower_bound=3456 lower_bound_gap=514 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:51:05.037007Z 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=291 row_words=1261 horizon=3970 2026-09-12T15:51:10.953319Z 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=0 2026-09-12T15:51:11.084237Z 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 2026-09-12T15:51:11.084272Z 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=9037 selected_horizon=9037 endpoint_lower_bound=3904 lower_bound_gap=5133 selected_kind="reused" neighborhood_improvements=0 2026-09-12T15:51:11.171328Z 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=565 row_words=1221 horizon=9037 2026-09-12T15:51:11.197173Z 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=28449 success=true 2026-09-12T15:51:25.859345Z INFO 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=14662 success=true 2026-09-12T15:51:25.886632Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=22197354 final_exchange=8250222 2026-09-12T15:51:28.046233Z 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=126 success=true 2026-09-12T15:51:28.174703Z 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=128 success=true 2026-09-12T15:51:28.811196Z 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=574 success=true 2026-09-12T15:51:29.260574Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=22197354 2026-09-12T15:51:29.779374Z 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=150034 success=true 2026-09-12T15:51:32.083279Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}: wrote exact tile placement profile path=artifacts/relay-big-20260912/siglip-b2-materialized/memory/placement-467561.html 2026-09-12T15:51:32.829531Z INFO writing application package tiles=1472 2026-09-12T15:51:32.930360Z INFO application package written 2026-09-12T15:51:32.934459Z INFO reading application package 2026-09-12T15:51:33.188026Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-12T15:51:33.198426Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-12T15:51:33.198462Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-12T15:51:33.198470Z INFO opening IPU device path="/dev/ipu0" 2026-09-12T15:51:33.198506Z INFO IPU device attached path=/dev/ipu0 2026-09-12T15:51:33.198515Z INFO initializing IPU device 2026-09-12T15:51:33.206302Z INFO IPU device initialized 2026-09-12T15:51:33.206323Z INFO replaying device configuration register_writes=2003 2026-09-12T15:51:33.236254Z INFO loading application tile_count=1472 final_mark=23 2026-09-12T15:51:33.569852Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-12T15:51:35.728776Z INFO prepared reference inputs elapsed_ms=2156 2026-09-12T15:51:35.729593Z INFO configured host reference BLAS threads=4 referencePrecision=fp32 2026-09-12T15:52:23.640326Z INFO evaluated host reference elapsed_ms=47911 2026-09-12T15:52:23.646034Z INFO starting host exchange session startup_mark=23 2026-09-12T15:52:23.646056Z INFO attaching host exchange pages pages=2 2026-09-12T15:52:23.646716Z INFO host exchange session started 2026-09-12T15:52:23.649187Z INFO invoking streaming host exchange call call="initialize" command=0 phases=344 2026-09-12T15:52:23.892418Z INFO invoking streaming host exchange call call="run" command=0 phases=5 referenceMinimumCosineSimilarity=0.994043410 referenceInference=1 numericalTest=PASS 2026-09-12T15:52:23.909248Z INFO invoking streaming host exchange call call="run" command=0 phases=5 referenceMinimumCosineSimilarity=0.994043410 referenceInference=2 numericalTest=PASS referenceMaximumAbsoluteError=0.454393 numericalTest=PASS package=artifacts/relay-big-20260912/siglip-b2-materialized/model.ipuexe tiles=1472 hardwareTest=PASS