2026-09-13T12:55:39.788492Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=0 success=true
2026-09-13T12:56:02.464375Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=9993 expansion_and_footprint_ms=12125 estimated_row_bytes=86120 heuristic_row_bytes=201772 geometry_fragments_per_tile=8967 fragment_limit=16384
2026-09-13T12:56:02.576586Z  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=4986
2026-09-13T12:56:03.304092Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:03.304137Z  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=2978 selected_horizon=2978 endpoint_lower_bound=2304 lower_bound_gap=674 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.307100Z  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=13 row_words=21 horizon=2978
2026-09-13T12:56:03.314114Z  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=2773 maximum_identical_destinations=1
2026-09-13T12:56:03.314152Z  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=1088 selected_horizon=1088 endpoint_lower_bound=288 lower_bound_gap=800 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.319505Z  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=677 row_words=17 horizon=1088
2026-09-13T12:56:03.337975Z  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=2193 maximum_identical_destinations=1
2026-09-13T12:56:03.337999Z  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=3113 selected_horizon=3113 endpoint_lower_bound=2304 lower_bound_gap=809 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.340265Z  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=54 row_words=25 horizon=3113
2026-09-13T12:56:03.351011Z  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=11656 maximum_identical_destinations=1
2026-09-13T12:56:03.351039Z  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=2993 selected_horizon=2993 endpoint_lower_bound=2304 lower_bound_gap=689 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.355242Z  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=175 row_words=117 horizon=2993
2026-09-13T12:56:03.635074Z  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=50544 maximum_identical_destinations=1
2026-09-13T12:56:03.635124Z  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=9085 selected_horizon=9085 endpoint_lower_bound=7424 lower_bound_gap=1661 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.658738Z  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=473 row_words=171 horizon=9085
2026-09-13T12:56:03.858452Z  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=35568 maximum_identical_destinations=1
2026-09-13T12:56:03.858494Z  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=4658 selected_horizon=4658 endpoint_lower_bound=4096 lower_bound_gap=562 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:03.881621Z  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=948 row_words=145 horizon=4658
2026-09-13T12:56:04.691228Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=18 candidates=8748 ordinary_horizon=7565 paired_horizon=11978 use_paired=false
2026-09-13T12:56:04.748669Z  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=8748 maximum_identical_destinations=1
2026-09-13T12:56:04.748704Z  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=7565 selected_horizon=7565 endpoint_lower_bound=7008 lower_bound_gap=557 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:04.766697Z  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=137 row_words=278 horizon=7565
2026-09-13T12:56:04.808914Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=19 transfers=1728 maximum_identical_destinations=1
2026-09-13T12:56:04.808938Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=19 initial_horizon=1338 selected_horizon=1338 endpoint_lower_bound=1152 lower_bound_gap=186 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:04.813943Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=19 tile=1003 row_words=18 horizon=1338
2026-09-13T12:56:04.952718Z  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=52102 maximum_identical_destinations=1
2026-09-13T12:56:04.952755Z  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=838 selected_horizon=838 endpoint_lower_bound=576 lower_bound_gap=262 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:04.981024Z  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=496 row_words=146 horizon=838
2026-09-13T12:56:05.108931Z  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=20656 maximum_identical_destinations=1
2026-09-13T12:56:05.108965Z  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=4485 selected_horizon=4485 endpoint_lower_bound=3648 lower_bound_gap=837 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:05.124026Z  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=535 row_words=106 horizon=4485
2026-09-13T12:56:06.014008Z  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=155252 maximum_identical_destinations=1
2026-09-13T12:56:06.014048Z  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=2258 selected_horizon=2258 endpoint_lower_bound=1728 lower_bound_gap=530 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.098356Z  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=231 row_words=310 horizon=2258
2026-09-13T12:56:06.126566Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:06.126589Z  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=5353 selected_horizon=5353 endpoint_lower_bound=3456 lower_bound_gap=1897 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.129322Z  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=74 row_words=15 horizon=5353
2026-09-13T12:56:06.148846Z  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=2181 maximum_identical_destinations=1
2026-09-13T12:56:06.148874Z  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=7015 selected_horizon=7015 endpoint_lower_bound=6912 lower_bound_gap=103 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.150676Z  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=51948 maximum_identical_destinations=1
2026-09-13T12:56:06.150708Z  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=850 selected_horizon=850 endpoint_lower_bound=576 lower_bound_gap=274 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.151069Z  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=94 row_words=38 horizon=7015
2026-09-13T12:56:06.165038Z  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=688 paired_horizon=1473 use_paired=false
2026-09-13T12:56:06.185171Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=52 transfers=1294 maximum_identical_destinations=1
2026-09-13T12:56:06.185196Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=52 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.185740Z  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=356 row_words=177 horizon=850
2026-09-13T12:56:06.189771Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=52 tile=866 row_words=10 horizon=471
2026-09-13T12:56:06.200304Z  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=1224 maximum_identical_destinations=1
2026-09-13T12:56:06.200327Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.202019Z  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=47 row_words=23 horizon=374
2026-09-13T12:56:06.204666Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:06.204685Z  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=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.206887Z  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=22 row_words=23 horizon=2909
2026-09-13T12:56:06.216969Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:06.216985Z  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=2969 selected_horizon=2969 endpoint_lower_bound=2304 lower_bound_gap=665 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.219151Z  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=13 row_words=19 horizon=2969
2026-09-13T12:56:06.228462Z  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=32 ordinary_horizon=210 paired_horizon=1250 use_paired=false
2026-09-13T12:56:06.250544Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=12 transfers=174792 maximum_identical_destinations=1
2026-09-13T12:56:06.250579Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=12 initial_horizon=7134 selected_horizon=7134 endpoint_lower_bound=6912 lower_bound_gap=222 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.251505Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=58 candidates=56 ordinary_horizon=124 paired_horizon=317 use_paired=false
2026-09-13T12:56:06.266710Z  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=1438 maximum_identical_destinations=1
2026-09-13T12:56:06.266730Z  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=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.268779Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=60 transfers=1400 maximum_identical_destinations=1
2026-09-13T12:56:06.268798Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=60 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.269940Z  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=875 row_words=10 horizon=1112
2026-09-13T12:56:06.270776Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=60 tile=39 row_words=39 horizon=4006
2026-09-13T12:56:06.287461Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=61 transfers=2151 maximum_identical_destinations=1
2026-09-13T12:56:06.287474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=61 initial_horizon=172 selected_horizon=172 endpoint_lower_bound=64 lower_bound_gap=108 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.289468Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=61 tile=1104 row_words=41 horizon=172
2026-09-13T12:56:06.290702Z  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=1800 maximum_identical_destinations=1
2026-09-13T12:56:06.290716Z  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=939 selected_horizon=939 endpoint_lower_bound=768 lower_bound_gap=171 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.294555Z  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=1365 row_words=15 horizon=939
2026-09-13T12:56:06.296309Z  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=1075 maximum_identical_destinations=1
2026-09-13T12:56:06.296321Z  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=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:06.298299Z  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=46 row_words=9 horizon=216
2026-09-13T12:56:06.512181Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=12 tile=66 row_words=1344 horizon=7134
2026-09-13T12:56:07.105175Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=63 candidates=972 ordinary_horizon=548 paired_horizon=2983 use_paired=false
2026-09-13T12:56:07.122604Z  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=1024 maximum_identical_destinations=1
2026-09-13T12:56:07.122637Z  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=548 selected_horizon=548 endpoint_lower_bound=112 lower_bound_gap=436 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:07.131409Z  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=1017 row_words=100 horizon=548
2026-09-13T12:56:07.145286Z  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=1725 maximum_identical_destinations=1
2026-09-13T12:56:07.145304Z  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=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:07.148709Z  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=1357 row_words=14 horizon=1112
2026-09-13T12:56:07.158650Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=65 transfers=1368 maximum_identical_destinations=1
2026-09-13T12:56:07.158674Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=65 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:07.160583Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=65 tile=47 row_words=25 horizon=406
2026-09-13T12:56:08.089021Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=14 transfers=66320 maximum_identical_destinations=1
2026-09-13T12:56:08.089058Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=14 initial_horizon=7135 selected_horizon=7135 endpoint_lower_bound=3240 lower_bound_gap=3895 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.119111Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=14 tile=964 row_words=285 horizon=7135
2026-09-13T12:56:08.475871Z  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=155880 maximum_identical_destinations=1
2026-09-13T12:56:08.475922Z  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=14092 selected_horizon=14092 endpoint_lower_bound=8640 lower_bound_gap=5452 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.574315Z  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=907 row_words=454 horizon=14092
2026-09-13T12:56:08.739523Z  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=32720 maximum_identical_destinations=1
2026-09-13T12:56:08.739562Z  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=6489 selected_horizon=6489 endpoint_lower_bound=5796 lower_bound_gap=693 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.794248Z  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=71 row_words=618 horizon=6489
2026-09-13T12:56:08.855311Z  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=26973 maximum_identical_destinations=1
2026-09-13T12:56:08.855353Z  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=6945 selected_horizon=6945 endpoint_lower_bound=5856 lower_bound_gap=1089 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.860282Z  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=3096 maximum_identical_destinations=1
2026-09-13T12:56:08.860306Z  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=5081 selected_horizon=5081 endpoint_lower_bound=2560 lower_bound_gap=2521 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.868939Z  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=447 row_words=34 horizon=5081
2026-09-13T12:56:08.892694Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=15 transfers=38784 maximum_identical_destinations=1
2026-09-13T12:56:08.892724Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=15 initial_horizon=8747 selected_horizon=8747 endpoint_lower_bound=4864 lower_bound_gap=3883 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:08.926168Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=15 tile=631 row_words=218 horizon=8747
2026-09-13T12:56:08.963563Z  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=4 row_words=1267 horizon=6945
2026-09-13T12:56:09.164668Z  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=22536 maximum_identical_destinations=1
2026-09-13T12:56:09.164710Z  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=9429 selected_horizon=9429 endpoint_lower_bound=7104 lower_bound_gap=2325 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.179260Z  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=854 row_words=108 horizon=9429
2026-09-13T12:56:09.192808Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:09.192833Z  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=2828 selected_horizon=2828 endpoint_lower_bound=2304 lower_bound_gap=524 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.195100Z  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=114 row_words=24 horizon=2828
2026-09-13T12:56:09.204281Z  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=1224 maximum_identical_destinations=1
2026-09-13T12:56:09.204296Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.206103Z  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=47 row_words=23 horizon=374
2026-09-13T12:56:09.220754Z  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=1741 maximum_identical_destinations=1
2026-09-13T12:56:09.220771Z  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=6408 selected_horizon=6408 endpoint_lower_bound=4644 lower_bound_gap=1764 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.222011Z  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=13 row_words=51 horizon=6408
2026-09-13T12:56:09.232380Z  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=52174 maximum_identical_destinations=1
2026-09-13T12:56:09.232406Z  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=983 selected_horizon=983 endpoint_lower_bound=576 lower_bound_gap=407 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.265661Z  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=43 row_words=111 horizon=983
2026-09-13T12:56:09.419113Z  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=11536 maximum_identical_destinations=1
2026-09-13T12:56:09.419162Z  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=2548 selected_horizon=2548 endpoint_lower_bound=2304 lower_bound_gap=244 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.425011Z  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=164 row_words=113 horizon=2548
2026-09-13T12:56:09.447082Z  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=1056 maximum_identical_destinations=1
2026-09-13T12:56:09.447116Z  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=1388 selected_horizon=1388 endpoint_lower_bound=1152 lower_bound_gap=236 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.448933Z  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=79 row_words=38 horizon=1388
2026-09-13T12:56:09.467788Z  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=44544 maximum_identical_destinations=1
2026-09-13T12:56:09.467818Z  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=2786 selected_horizon=2786 endpoint_lower_bound=2496 lower_bound_gap=290 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.490731Z  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=832 row_words=142 horizon=2786
2026-09-13T12:56:09.863755Z  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=24132 maximum_identical_destinations=1
2026-09-13T12:56:09.863793Z  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=8766 selected_horizon=8766 endpoint_lower_bound=7104 lower_bound_gap=1662 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.884767Z  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=1051 row_words=117 horizon=8766
2026-09-13T12:56:09.918503Z  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=2820 maximum_identical_destinations=1
2026-09-13T12:56:09.918535Z  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=3578 selected_horizon=3578 endpoint_lower_bound=1076 lower_bound_gap=2502 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.922523Z  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=1452 row_words=15 horizon=3578
2026-09-13T12:56:09.956961Z  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=72 ordinary_horizon=162 paired_horizon=268 use_paired=false
2026-09-13T12:56:09.971859Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=41 transfers=1294 maximum_identical_destinations=1
2026-09-13T12:56:09.971877Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=41 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.974982Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=41 tile=866 row_words=10 horizon=471
2026-09-13T12:56:09.986360Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=39 transfers=1457 maximum_identical_destinations=1
2026-09-13T12:56:09.986383Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=39 initial_horizon=3625 selected_horizon=3625 endpoint_lower_bound=2304 lower_bound_gap=1321 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:09.988805Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=39 tile=74 row_words=15 horizon=3625
2026-09-13T12:56:10.103922Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=45 transfers=65610 maximum_identical_destinations=1
2026-09-13T12:56:10.103972Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=45 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=4320 lower_bound_gap=1075 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:10.183905Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=45 tile=71 row_words=1061 horizon=5395
2026-09-13T12:56:11.081100Z  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=21112 maximum_identical_destinations=1
2026-09-13T12:56:11.081139Z  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=20024 selected_horizon=20024 endpoint_lower_bound=19520 lower_bound_gap=504 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:11.145715Z  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=481 row_words=1010 horizon=20024
2026-09-13T12:56:12.251045Z  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=104344 maximum_identical_destinations=1
2026-09-13T12:56:12.251081Z  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=1541 selected_horizon=1541 endpoint_lower_bound=1152 lower_bound_gap=389 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:12.336124Z  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=379 row_words=344 horizon=1541
2026-09-13T12:56:12.475238Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=36 candidates=26244 ordinary_horizon=10184 paired_horizon=37328 use_paired=false
2026-09-13T12:56:12.691720Z  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=28836 maximum_identical_destinations=1
2026-09-13T12:56:12.691758Z  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=10184 selected_horizon=10184 endpoint_lower_bound=5808 lower_bound_gap=4376 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:12.804276Z  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=634 row_words=1171 horizon=10184
2026-09-13T12:56:13.533945Z  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=195540 maximum_identical_destinations=1
2026-09-13T12:56:13.534008Z  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=2613 selected_horizon=2613 endpoint_lower_bound=2152 lower_bound_gap=461 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:13.772335Z  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=1096 row_words=606 horizon=2613
2026-09-13T12:56:17.235575Z  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=35928 maximum_identical_destinations=1
2026-09-13T12:56:17.235622Z  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=14143 selected_horizon=14143 endpoint_lower_bound=11616 lower_bound_gap=2527 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:17.445420Z  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=363 row_words=2102 horizon=14143
2026-09-13T12:56:22.702954Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=7 candidates=26244 ordinary_horizon=19505 paired_horizon=69934 use_paired=false
2026-09-13T12:56:23.196788Z  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=28836 maximum_identical_destinations=1
2026-09-13T12:56:23.196830Z  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=19505 selected_horizon=19505 endpoint_lower_bound=9856 lower_bound_gap=9649 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:23.414692Z  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=542 row_words=2349 horizon=19505
2026-09-13T12:56:23.471590Z  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=28 success=true
2026-09-13T12:56:23.473178Z  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_f8_interleaved_k256_c16_r1_r1" target=ipu21
2026-09-13T12:56:23.513998Z  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/33b9b9476213cdbf40bdee1feaf29b80a1d29d7d923627a8e0ded337f739174e/kernel.o metadata=/srv/home/.cache/ipu-stack/kernels/33b9b9476213cdbf40bdee1feaf29b80a1d29d7d923627a8e0ded337f739174e/kernel.json
2026-09-13T12:56:23.517000Z  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=45 success=true
2026-09-13T12:56:23.521960Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="link_runtime"}: package build phase finished phase="link_runtime" elapsed_ms=0 success=true
2026-09-13T12:56:24.115028Z  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=56680 maximum_uncompressed_repeat_patch_bytes=11016 maximum_elided_arithmetic_patch_bytes=11016
2026-09-13T12:56:26.332292Z  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=147 success=true
2026-09-13T12:56:26.332343Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=380968 host_code_base=380968 host_code_bytes=8892 generated_code_bytes=11280 exchange_table_bytes=56680 executable_ranges=[(377716, 377720), (379988, 379992), (389928, 524288)]
2026-09-13T12:56:26.332356Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=380968 profile_bytes=0 exchange_table_bytes=56680 host_code_bytes=8892 host_data_bytes=6148 generated_code_bytes=11280 code_address=389928 available_ranges=[(327680, 360448), (368356, 376832), (475136, 949168)]
2026-09-13T12:56:26.920757Z  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=588 success=true
2026-09-13T12:56:26.974434Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=51
2026-09-13T12:56:26.975474Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=34
2026-09-13T12:56:26.975941Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:26.975950Z  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=2978 selected_horizon=2978 endpoint_lower_bound=2304 lower_bound_gap=674 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:26.978196Z  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=13 row_words=21 horizon=2978
2026-09-13T12:56:26.986359Z  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
2026-09-13T12:56:26.987342Z  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=2773 maximum_identical_destinations=1
2026-09-13T12:56:26.987355Z  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=1088 selected_horizon=1088 endpoint_lower_bound=288 lower_bound_gap=800 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:26.987671Z  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
2026-09-13T12:56:26.988110Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=52 transfers=1294 maximum_identical_destinations=1
2026-09-13T12:56:26.988120Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=52 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:26.991642Z  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=677 row_words=17 horizon=1088
2026-09-13T12:56:26.992046Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=52 tile=866 row_words=10 horizon=471
2026-09-13T12:56:26.999615Z  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=53
2026-09-13T12:56:26.999931Z  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=1224 maximum_identical_destinations=1
2026-09-13T12:56:26.999946Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.002038Z  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=47 row_words=23 horizon=374
2026-09-13T12:56:27.004062Z  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
2026-09-13T12:56:27.004644Z  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=2193 maximum_identical_destinations=1
2026-09-13T12:56:27.004662Z  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=3113 selected_horizon=3113 endpoint_lower_bound=2304 lower_bound_gap=809 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.005905Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=54
2026-09-13T12:56:27.007275Z  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=54 row_words=25 horizon=3113
2026-09-13T12:56:27.010507Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=55
2026-09-13T12:56:27.012199Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=56
2026-09-13T12:56:27.016233Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=17
2026-09-13T12:56:27.016760Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=35
2026-09-13T12:56:27.018725Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=57
2026-09-13T12:56:27.020408Z  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=11656 maximum_identical_destinations=1
2026-09-13T12:56:27.020423Z  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=2993 selected_horizon=2993 endpoint_lower_bound=2304 lower_bound_gap=689 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.025167Z  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=175 row_words=117 horizon=2993
2026-09-13T12:56:27.029943Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=58
2026-09-13T12:56:27.045490Z  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
2026-09-13T12:56:27.046249Z  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=1438 maximum_identical_destinations=1
2026-09-13T12:56:27.046270Z  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=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.052366Z  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
2026-09-13T12:56:27.053016Z  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=875 row_words=10 horizon=1112
2026-09-13T12:56:27.066086Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=60
2026-09-13T12:56:27.066751Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=60 transfers=1400 maximum_identical_destinations=1
2026-09-13T12:56:27.066768Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=60 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.070315Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=60 tile=39 row_words=39 horizon=4006
2026-09-13T12:56:27.084160Z  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
2026-09-13T12:56:27.084773Z  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=61 transfers=2151 maximum_identical_destinations=1
2026-09-13T12:56:27.084785Z  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=61 initial_horizon=172 selected_horizon=172 endpoint_lower_bound=64 lower_bound_gap=108 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.087268Z  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=61 tile=1104 row_words=41 horizon=172
2026-09-13T12:56:27.094659Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=62
2026-09-13T12:56:27.094958Z  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=1075 maximum_identical_destinations=1
2026-09-13T12:56:27.094964Z  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=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.097483Z  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=46 row_words=9 horizon=216
2026-09-13T12:56:27.214066Z  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
2026-09-13T12:56:27.232739Z  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=50544 maximum_identical_destinations=1
2026-09-13T12:56:27.232763Z  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=9085 selected_horizon=9085 endpoint_lower_bound=7424 lower_bound_gap=1661 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.260396Z  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=473 row_words=171 horizon=9085
2026-09-13T12:56:27.699041Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=63
2026-09-13T12:56:27.710673Z  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=1024 maximum_identical_destinations=1
2026-09-13T12:56:27.710691Z  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=548 selected_horizon=548 endpoint_lower_bound=112 lower_bound_gap=436 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.720251Z  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=1017 row_words=100 horizon=548
2026-09-13T12:56:27.734621Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=64
2026-09-13T12:56:27.735120Z  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=1725 maximum_identical_destinations=1
2026-09-13T12:56:27.735129Z  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=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.739242Z  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=1357 row_words=14 horizon=1112
2026-09-13T12:56:27.747341Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=65
2026-09-13T12:56:27.747717Z  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=65 transfers=1368 maximum_identical_destinations=1
2026-09-13T12:56:27.747724Z  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=65 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.749920Z  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=65 tile=47 row_words=25 horizon=406
2026-09-13T12:56:27.754554Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=66
2026-09-13T12:56:27.759752Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=67
2026-09-13T12:56:27.766090Z  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
2026-09-13T12:56:27.778371Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42
2026-09-13T12:56:27.778740Z  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=1224 maximum_identical_destinations=1
2026-09-13T12:56:27.778749Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.780917Z  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=47 row_words=23 horizon=374
2026-09-13T12:56:27.784668Z  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
2026-09-13T12:56:27.793869Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=44
2026-09-13T12:56:27.794336Z  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=1741 maximum_identical_destinations=1
2026-09-13T12:56:27.794348Z  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=6408 selected_horizon=6408 endpoint_lower_bound=4644 lower_bound_gap=1764 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:27.795906Z  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=13 row_words=51 horizon=6408
2026-09-13T12:56:28.679600Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=45
2026-09-13T12:56:28.715290Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=45 transfers=65610 maximum_identical_destinations=1
2026-09-13T12:56:28.715332Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=45 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=4320 lower_bound_gap=1075 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:28.810908Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=45 tile=71 row_words=1061 horizon=5395
2026-09-13T12:56:28.944153Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=46
2026-09-13T12:56:28.948575Z  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=11536 maximum_identical_destinations=1
2026-09-13T12:56:28.948597Z  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=2548 selected_horizon=2548 endpoint_lower_bound=2304 lower_bound_gap=244 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:28.955112Z  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=164 row_words=113 horizon=2548
2026-09-13T12:56:28.960764Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47
2026-09-13T12:56:28.968382Z  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
2026-09-13T12:56:28.968696Z  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=1056 maximum_identical_destinations=1
2026-09-13T12:56:28.968703Z  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=1388 selected_horizon=1388 endpoint_lower_bound=1152 lower_bound_gap=236 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:28.969720Z  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=79 row_words=38 horizon=1388
2026-09-13T12:56:28.971252Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49
2026-09-13T12:56:28.972140Z  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
2026-09-13T12:56:28.984939Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: compared ordinary and paired exchange schedules phase=18 candidates=8748 ordinary_horizon=9030 paired_horizon=12268 use_paired=false
2026-09-13T12:56:29.041126Z  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=8748 maximum_identical_destinations=1
2026-09-13T12:56:29.041159Z  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=9030 selected_horizon=9030 endpoint_lower_bound=7008 lower_bound_gap=2022 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:29.057472Z  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=137 row_words=286 horizon=9030
2026-09-13T12:56:29.094693Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=19
2026-09-13T12:56:29.096130Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=19 transfers=1728 maximum_identical_destinations=1
2026-09-13T12:56:29.096148Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=19 initial_horizon=1338 selected_horizon=1338 endpoint_lower_bound=1152 lower_bound_gap=186 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.101168Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=19 tile=1003 row_words=18 horizon=1338
2026-09-13T12:56:29.379084Z  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
2026-09-13T12:56:29.387927Z  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=20656 maximum_identical_destinations=1
2026-09-13T12:56:29.387946Z  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=4485 selected_horizon=4485 endpoint_lower_bound=3648 lower_bound_gap=837 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.389056Z  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
2026-09-13T12:56:29.403363Z  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=535 row_words=106 horizon=4485
2026-09-13T12:56:29.404464Z  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=35568 maximum_identical_destinations=1
2026-09-13T12:56:29.404480Z  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=4658 selected_horizon=4658 endpoint_lower_bound=4096 lower_bound_gap=562 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.408707Z  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
2026-09-13T12:56:29.428061Z  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=948 row_words=145 horizon=4658
2026-09-13T12:56:29.465639Z  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=155252 maximum_identical_destinations=1
2026-09-13T12:56:29.465671Z  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=2258 selected_horizon=2258 endpoint_lower_bound=1728 lower_bound_gap=530 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.575222Z  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=231 row_words=310 horizon=2258
2026-09-13T12:56:29.602022Z  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
2026-09-13T12:56:29.602521Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:29.602539Z  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=5353 selected_horizon=5353 endpoint_lower_bound=3456 lower_bound_gap=1897 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.605124Z  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=74 row_words=15 horizon=5353
2026-09-13T12:56:29.624609Z  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=2181 maximum_identical_destinations=1
2026-09-13T12:56:29.624639Z  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=7015 selected_horizon=7015 endpoint_lower_bound=6912 lower_bound_gap=103 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:29.626114Z  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=94 row_words=38 horizon=7015
2026-09-13T12:56:29.646607Z  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=1
2026-09-13T12:56:29.647587Z  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=1800 maximum_identical_destinations=1
2026-09-13T12:56:29.647600Z  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=939 selected_horizon=939 endpoint_lower_bound=768 lower_bound_gap=171 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.651753Z  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=1365 row_words=15 horizon=939
2026-09-13T12:56:29.678886Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=12
2026-09-13T12:56:29.753822Z  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=12 transfers=174792 maximum_identical_destinations=1
2026-09-13T12:56:29.753860Z  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=12 initial_horizon=7134 selected_horizon=7134 endpoint_lower_bound=6912 lower_bound_gap=222 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:29.988657Z  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=12 tile=66 row_words=1344 horizon=7134
2026-09-13T12:56:30.184630Z  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
2026-09-13T12:56:30.209135Z  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=51948 maximum_identical_destinations=1
2026-09-13T12:56:30.209164Z  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=850 selected_horizon=850 endpoint_lower_bound=576 lower_bound_gap=274 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:30.219152Z  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
2026-09-13T12:56:30.247729Z  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=52102 maximum_identical_destinations=1
2026-09-13T12:56:30.247768Z  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=838 selected_horizon=838 endpoint_lower_bound=576 lower_bound_gap=262 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:30.249190Z  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=356 row_words=177 horizon=850
2026-09-13T12:56:30.268913Z  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=22
2026-09-13T12:56:30.269307Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:30.269317Z  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=2909 selected_horizon=2909 endpoint_lower_bound=2304 lower_bound_gap=605 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:30.271812Z  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=22 row_words=23 horizon=2909
2026-09-13T12:56:30.281323Z  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=23
2026-09-13T12:56:30.281679Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:30.281687Z  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=2969 selected_horizon=2969 endpoint_lower_bound=2304 lower_bound_gap=665 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:30.283893Z  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=13 row_words=19 horizon=2969
2026-09-13T12:56:30.286428Z  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=496 row_words=146 horizon=838
2026-09-13T12:56:30.321601Z  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
2026-09-13T12:56:30.343926Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=40
2026-09-13T12:56:30.355788Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=41
2026-09-13T12:56:30.356161Z  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=41 transfers=1294 maximum_identical_destinations=1
2026-09-13T12:56:30.356172Z  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=41 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:30.358975Z  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=41 tile=866 row_words=10 horizon=471
2026-09-13T12:56:32.163768Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=13
2026-09-13T12:56:32.221603Z  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=32720 maximum_identical_destinations=1
2026-09-13T12:56:32.221635Z  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=6489 selected_horizon=6489 endpoint_lower_bound=5796 lower_bound_gap=693 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:32.271798Z  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
2026-09-13T12:56:32.277071Z  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=71 row_words=618 horizon=6489
2026-09-13T12:56:32.317659Z  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=104344 maximum_identical_destinations=1
2026-09-13T12:56:32.317697Z  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=1541 selected_horizon=1541 endpoint_lower_bound=1152 lower_bound_gap=389 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:32.422388Z  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=379 row_words=344 horizon=1541
2026-09-13T12:56:32.443438Z  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
2026-09-13T12:56:32.443863Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=39 transfers=1457 maximum_identical_destinations=1
2026-09-13T12:56:32.443873Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=39 initial_horizon=3625 selected_horizon=3625 endpoint_lower_bound=2304 lower_bound_gap=1321 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:32.446471Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=39 tile=74 row_words=15 horizon=3625
2026-09-13T12:56:32.776189Z  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
2026-09-13T12:56:32.785982Z  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=24132 maximum_identical_destinations=1
2026-09-13T12:56:32.786009Z  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=8766 selected_horizon=8766 endpoint_lower_bound=7104 lower_bound_gap=1662 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:32.807747Z  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=1051 row_words=117 horizon=8766
2026-09-13T12:56:32.985132Z  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
2026-09-13T12:56:32.994820Z  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=22536 maximum_identical_destinations=1
2026-09-13T12:56:32.994843Z  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=9429 selected_horizon=9429 endpoint_lower_bound=7104 lower_bound_gap=2325 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.012784Z  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=854 row_words=108 horizon=9429
2026-09-13T12:56:33.227658Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=36
2026-09-13T12:56:33.252784Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=29
2026-09-13T12:56:33.326179Z  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=21112 maximum_identical_destinations=1
2026-09-13T12:56:33.326240Z  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=20024 selected_horizon=20024 endpoint_lower_bound=19520 lower_bound_gap=504 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.359638Z  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=28836 maximum_identical_destinations=1
2026-09-13T12:56:33.359673Z  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=10184 selected_horizon=10184 endpoint_lower_bound=5808 lower_bound_gap=4376 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.394809Z  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=481 row_words=1010 horizon=20024
2026-09-13T12:56:33.478659Z  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=634 row_words=1171 horizon=10184
2026-09-13T12:56:33.515687Z  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=3096 maximum_identical_destinations=1
2026-09-13T12:56:33.515723Z  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=4635 selected_horizon=4635 endpoint_lower_bound=2560 lower_bound_gap=2075 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:33.518234Z  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
2026-09-13T12:56:33.519167Z  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=2820 maximum_identical_destinations=1
2026-09-13T12:56:33.519179Z  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=3578 selected_horizon=3578 endpoint_lower_bound=1076 lower_bound_gap=2502 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.523262Z  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=1452 row_words=15 horizon=3578
2026-09-13T12:56:33.524015Z  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=445 row_words=35 horizon=4635
2026-09-13T12:56:33.689006Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=27
2026-09-13T12:56:33.771377Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15
2026-09-13T12:56:33.782114Z  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=195540 maximum_identical_destinations=1
2026-09-13T12:56:33.782148Z  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=2613 selected_horizon=2613 endpoint_lower_bound=2152 lower_bound_gap=461 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.795791Z  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=15 transfers=38784 maximum_identical_destinations=1
2026-09-13T12:56:33.795817Z  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=15 initial_horizon=8747 selected_horizon=8747 endpoint_lower_bound=4864 lower_bound_gap=3883 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:33.823985Z  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=15 tile=631 row_words=218 horizon=8747
2026-09-13T12:56:33.955928Z  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=1096 row_words=606 horizon=2613
2026-09-13T12:56:33.998081Z  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
2026-09-13T12:56:33.998658Z  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=1457 maximum_identical_destinations=1
2026-09-13T12:56:33.998673Z  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=2828 selected_horizon=2828 endpoint_lower_bound=2304 lower_bound_gap=524 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:34.002423Z  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=114 row_words=24 horizon=2828
2026-09-13T12:56:34.156689Z  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
2026-09-13T12:56:34.158769Z  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=14 transfers=66320 maximum_identical_destinations=1
2026-09-13T12:56:34.158800Z  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=14 initial_horizon=7003 selected_horizon=7003 endpoint_lower_bound=3240 lower_bound_gap=3763 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:34.169823Z  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
2026-09-13T12:56:34.180385Z  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=52174 maximum_identical_destinations=1
2026-09-13T12:56:34.180407Z  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=983 selected_horizon=983 endpoint_lower_bound=576 lower_bound_gap=407 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:34.191236Z  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=14 tile=322 row_words=279 horizon=7003
2026-09-13T12:56:34.208953Z  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=43 row_words=111 horizon=983
2026-09-13T12:56:34.335439Z  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=16
2026-09-13T12:56:34.354668Z  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=44544 maximum_identical_destinations=1
2026-09-13T12:56:34.354690Z  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=2786 selected_horizon=2786 endpoint_lower_bound=2496 lower_bound_gap=290 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:34.380320Z  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=832 row_words=142 horizon=2786
2026-09-13T12:56:34.434378Z  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=26973 maximum_identical_destinations=1
2026-09-13T12:56:34.434423Z  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=6945 selected_horizon=6945 endpoint_lower_bound=5856 lower_bound_gap=1089 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:34.553495Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=0 tile=4 row_words=1267 horizon=6945
2026-09-13T12:56:37.801592Z  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=155880 maximum_identical_destinations=1
2026-09-13T12:56:37.801639Z  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=14328 selected_horizon=14328 endpoint_lower_bound=8640 lower_bound_gap=5688 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:37.901683Z  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=907 row_words=458 horizon=14328
2026-09-13T12:56:41.558317Z  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
2026-09-13T12:56:41.842056Z  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=28836 maximum_identical_destinations=1
2026-09-13T12:56:41.842091Z  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=19505 selected_horizon=19505 endpoint_lower_bound=9856 lower_bound_gap=9649 selected_kind="reused" neighborhood_improvements=0
2026-09-13T12:56:42.072014Z  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=542 row_words=2349 horizon=19505
2026-09-13T12:56:49.116642Z  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=35928 maximum_identical_destinations=1
2026-09-13T12:56:49.117233Z  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=13734 selected_horizon=13734 endpoint_lower_bound=11616 lower_bound_gap=2118 selected_kind="balanced-compact-streams" neighborhood_improvements=0
2026-09-13T12:56:49.334146Z  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=55 row_words=2120 horizon=13734
2026-09-13T12:56:49.370122Z  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=22449 success=true
2026-09-13T12:57:05.684516Z  INFO 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=16314 success=true
2026-09-13T12:57:05.706923Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=12811060 final_exchange=5538312
2026-09-13T12:57:08.135497Z  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=334 success=true
2026-09-13T12:57:08.247508Z  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=111 success=true
2026-09-13T12:57:08.754952Z  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=454 success=true
2026-09-13T12:57:09.200325Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated search incumbent cycles=12811060 resuming=false
2026-09-13T12:57:09.242421Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/pretrained-pv-20260913/calibrated-pv-state.json attempts=0 bytes=15175069
2026-09-13T12:57:09.300638Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: saved mid-plan search state path=artifacts/pretrained-pv-20260913/calibrated-pv-state.json attempts=0 bytes=15175069
2026-09-13T12:57:09.753792Z  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=89965 success=true
2026-09-13T12:57:10.423039Z  INFO writing application package tiles=1472
2026-09-13T12:57:10.504925Z  INFO application package written
2026-09-13T12:57:10.505273Z  INFO reading application package
2026-09-13T12:57:10.689038Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-13T12:57:10.689933Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-13T12:57:13.070506Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-13T12:57:13.070544Z  INFO opening IPU device path="/dev/ipu0"
2026-09-13T12:57:13.070578Z  INFO IPU device attached path=/dev/ipu0
2026-09-13T12:57:13.070584Z  INFO initializing IPU device
2026-09-13T12:57:13.078372Z  INFO IPU device initialized
2026-09-13T12:57:13.078403Z  INFO replaying device configuration register_writes=2003
2026-09-13T12:57:13.098314Z  INFO loading application tile_count=1472 final_mark=23
2026-09-13T12:57:13.308587Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-13T12:57:18.004056Z  INFO starting host exchange session startup_mark=23
2026-09-13T12:57:18.004102Z  INFO attaching host exchange pages pages=2
2026-09-13T12:57:18.005876Z  INFO host exchange session started
2026-09-13T12:57:18.007467Z  INFO invoking host exchange call call="initialize" command=0 phases=342
2026-09-13T12:57:18.128326Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=authors
referenceMinimumCosineSimilarity=0.996772244
referenceMaximumAbsoluteError=0.238880 numericalTest=PASS
2026-09-13T12:57:18.144041Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=siglip
referenceMinimumCosineSimilarity=0.997721873
referenceMaximumAbsoluteError=0.159099 numericalTest=PASS
2026-09-13T12:57:18.159002Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=caffeine
referenceMinimumCosineSimilarity=0.997597634
referenceMaximumAbsoluteError=0.138007 numericalTest=PASS
2026-09-13T12:57:18.173984Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=robosign
referenceMinimumCosineSimilarity=0.996237005
referenceMaximumAbsoluteError=0.303112 numericalTest=PASS
2026-09-13T12:57:18.194337Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=fried_fish
referenceMinimumCosineSimilarity=0.996848738
referenceMaximumAbsoluteError=0.175883 numericalTest=PASS
2026-09-13T12:57:18.212308Z  INFO invoking host exchange call call="run" command=0 phases=7
referenceFixtureCase=cow_beach2
referenceMinimumCosineSimilarity=0.997553684
referenceMaximumAbsoluteError=0.209394 numericalTest=PASS
package=artifacts/pretrained-pv-20260913/calibrated-pv/model.ipuexe tiles=1472 hardwareTest=PASS