2026-09-11T11:14:20.408188Z  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
2026-09-11T11:14:36.487134Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=5610 expansion_and_footprint_ms=6866 estimated_row_bytes=73784 heuristic_row_bytes=164408 geometry_fragments_per_tile=8490 fragment_limit=16384
2026-09-11T11:14:37.459691Z  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=1224 maximum_identical_destinations=1
2026-09-11T11:14:37.459754Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.460932Z  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=47 row_words=23 horizon=374
2026-09-11T11:14:37.463532Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=72 candidates=17 ordinary_horizon=688 paired_horizon=1417 use_paired=false
2026-09-11T11:14:37.464921Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=51 transfers=1457 maximum_identical_destinations=1
2026-09-11T11:14:37.464953Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=51 initial_horizon=2798 selected_horizon=2798 endpoint_lower_bound=2304 lower_bound_gap=494 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.466280Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=51 tile=148 row_words=24 horizon=2798
2026-09-11T11:14:37.475065Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=73 transfers=1294 maximum_identical_destinations=1
2026-09-11T11:14:37.475083Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=73 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.476052Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=73 tile=866 row_words=10 horizon=471
2026-09-11T11:14:37.480785Z  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=1743 maximum_identical_destinations=1
2026-09-11T11:14:37.480808Z  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=5892 selected_horizon=5892 endpoint_lower_bound=4644 lower_bound_gap=1248 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.482170Z  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=14 row_words=59 horizon=5892
2026-09-11T11:14:37.483857Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=74 transfers=1224 maximum_identical_destinations=1
2026-09-11T11:14:37.483878Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=74 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.484171Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:37.484189Z  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=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.484351Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=74 tile=47 row_words=23 horizon=374
2026-09-11T11:14:37.485158Z  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=171 row_words=17 horizon=2921
2026-09-11T11:14:37.501069Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=78 candidates=32 ordinary_horizon=210 paired_horizon=1250 use_paired=false
2026-09-11T11:14:37.516824Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=80 candidates=35 ordinary_horizon=660 paired_horizon=2329 use_paired=false
2026-09-11T11:14:37.529243Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=81 transfers=1438 maximum_identical_destinations=1
2026-09-11T11:14:37.529261Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=81 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.530402Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=81 tile=875 row_words=10 horizon=1112
2026-09-11T11:14:37.543194Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=82 transfers=1400 maximum_identical_destinations=1
2026-09-11T11:14:37.543230Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=82 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.544159Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=82 tile=39 row_words=39 horizon=4006
2026-09-11T11:14:37.558463Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=83 transfers=2151 maximum_identical_destinations=1
2026-09-11T11:14:37.558484Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=83 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.559465Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=83 tile=1105 row_words=39 horizon=183
2026-09-11T11:14:37.566073Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=84 transfers=1075 maximum_identical_destinations=1
2026-09-11T11:14:37.566090Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=84 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.566689Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=84 tile=46 row_words=9 horizon=216
2026-09-11T11:14:37.573242Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=85 transfers=1023 maximum_identical_destinations=1
2026-09-11T11:14:37.573254Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=85 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.573653Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=85 tile=0 row_words=1028 horizon=2206
2026-09-11T11:14:37.587481Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=86 candidates=19 ordinary_horizon=2258 paired_horizon=2382 use_paired=false
2026-09-11T11:14:37.856402Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=58 transfers=45090 maximum_identical_destinations=1
2026-09-11T11:14:37.856448Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=58 initial_horizon=11314 selected_horizon=11314 endpoint_lower_bound=6048 lower_bound_gap=5266 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:37.887411Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=58 tile=1084 row_words=180 horizon=11314
2026-09-11T11:14:38.305012Z  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=11656 maximum_identical_destinations=1
2026-09-11T11:14:38.305059Z  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=3926 selected_horizon=3926 endpoint_lower_bound=2304 lower_bound_gap=1622 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.308816Z  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=173 row_words=125 horizon=3926
2026-09-11T11:14:38.314099Z  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=19683 maximum_identical_destinations=1
2026-09-11T11:14:38.314139Z  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=11954 selected_horizon=11954 endpoint_lower_bound=9760 lower_bound_gap=2194 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.329467Z  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=481 row_words=544 horizon=11954
2026-09-11T11:14:38.514126Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=112284 maximum_identical_destinations=1
2026-09-11T11:14:38.514168Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=27323 selected_horizon=27323 endpoint_lower_bound=9072 lower_bound_gap=18251 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.592678Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=715 row_words=396 horizon=27323
2026-09-11T11:14:38.660830Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=55 candidates=6561 ordinary_horizon=9028 paired_horizon=46080 use_paired=false
2026-09-11T11:14:38.700456Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=6561 maximum_identical_destinations=1
2026-09-11T11:14:38.700490Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=9028 selected_horizon=9028 endpoint_lower_bound=5248 lower_bound_gap=3780 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.708570Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=171 row_words=133 horizon=9028
2026-09-11T11:14:38.724539Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=56 transfers=1295 maximum_identical_destinations=1
2026-09-11T11:14:38.724558Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=56 initial_horizon=4249 selected_horizon=4249 endpoint_lower_bound=4096 lower_bound_gap=153 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.725410Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=56 tile=152 row_words=16 horizon=4249
2026-09-11T11:14:38.738877Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:38.738894Z  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=3513 selected_horizon=3513 endpoint_lower_bound=2304 lower_bound_gap=1209 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.739982Z  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=355 row_words=13 horizon=3513
2026-09-11T11:14:38.789312Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=61 candidates=72 ordinary_horizon=175 paired_horizon=285 use_paired=false
2026-09-11T11:14:38.808050Z  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=1294 maximum_identical_destinations=1
2026-09-11T11:14:38.808101Z  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=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:38.810850Z  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=866 row_words=10 horizon=471
2026-09-11T11:14:39.006405Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=66 transfers=68951 maximum_identical_destinations=1
2026-09-11T11:14:39.006441Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=66 initial_horizon=12646 selected_horizon=12646 endpoint_lower_bound=7996 lower_bound_gap=4650 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.053656Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=66 tile=70 row_words=2375 horizon=12646
2026-09-11T11:14:39.174067Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=67 transfers=11520 maximum_identical_destinations=1
2026-09-11T11:14:39.174098Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=67 initial_horizon=2410 selected_horizon=2410 endpoint_lower_bound=2304 lower_bound_gap=106 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.178184Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=67 tile=168 row_words=108 horizon=2410
2026-09-11T11:14:39.295859Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=40 transfers=9677 maximum_identical_destinations=1
2026-09-11T11:14:39.295890Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=40 initial_horizon=8957 selected_horizon=8957 endpoint_lower_bound=7680 lower_bound_gap=1277 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.299018Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=40 tile=86 row_words=143 horizon=8957
2026-09-11T11:14:39.359545Z  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=8694 maximum_identical_destinations=1
2026-09-11T11:14:39.359567Z  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=17085 selected_horizon=17085 endpoint_lower_bound=7872 lower_bound_gap=9213 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.363657Z  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=643 row_words=39 horizon=17085
2026-09-11T11:14:39.430657Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=50 transfers=51925 maximum_identical_destinations=1
2026-09-11T11:14:39.430703Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=50 initial_horizon=1090 selected_horizon=1090 endpoint_lower_bound=576 lower_bound_gap=514 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.454857Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=50 tile=850 row_words=106 horizon=1090
2026-09-11T11:14:39.575263Z  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=103635 maximum_identical_destinations=1
2026-09-11T11:14:39.575297Z  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=1973 selected_horizon=1973 endpoint_lower_bound=1152 lower_bound_gap=821 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.593292Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=7106 ordinary_horizon=8086 paired_horizon=102200 use_paired=false
2026-09-11T11:14:39.610890Z  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=239 row_words=188 horizon=1973
2026-09-11T11:14:39.636731Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=35 transfers=1457 maximum_identical_destinations=1
2026-09-11T11:14:39.636752Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=35 initial_horizon=3101 selected_horizon=3101 endpoint_lower_bound=2304 lower_bound_gap=797 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.637622Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=35 tile=181 row_words=22 horizon=3101
2026-09-11T11:14:39.643803Z  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=7290 maximum_identical_destinations=1
2026-09-11T11:14:39.643824Z  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=8086 selected_horizon=8086 endpoint_lower_bound=5888 lower_bound_gap=2198 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.647760Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:39.647777Z  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=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.648573Z  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=171 row_words=17 horizon=2921
2026-09-11T11:14:39.653131Z  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=79 row_words=273 horizon=8086
2026-09-11T11:14:39.670375Z  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=1725 maximum_identical_destinations=1
2026-09-11T11:14:39.670391Z  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=1431 selected_horizon=1431 endpoint_lower_bound=1152 lower_bound_gap=279 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.671548Z  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=235 row_words=22 horizon=1431
2026-09-11T11:14:39.795234Z  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=51948 maximum_identical_destinations=1
2026-09-11T11:14:39.795278Z  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=1122 selected_horizon=1122 endpoint_lower_bound=576 lower_bound_gap=546 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.805401Z  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=20656 maximum_identical_destinations=1
2026-09-11T11:14:39.805428Z  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=7526 selected_horizon=7526 endpoint_lower_bound=3648 lower_bound_gap=3878 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.814396Z  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=860 row_words=87 horizon=7526
2026-09-11T11:14:39.820691Z  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=1229 row_words=126 horizon=1122
2026-09-11T11:14:39.827882Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=88 transfers=1368 maximum_identical_destinations=1
2026-09-11T11:14:39.827899Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=88 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.827918Z  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=4374 maximum_identical_destinations=1
2026-09-11T11:14:39.827943Z  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=10088 selected_horizon=10088 endpoint_lower_bound=7872 lower_bound_gap=2216 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.828540Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=88 tile=47 row_words=25 horizon=406
2026-09-11T11:14:39.835609Z  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=136 row_words=234 horizon=10088
2026-09-11T11:14:39.865257Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=30 candidates=8748 ordinary_horizon=9329 paired_horizon=114608 use_paired=false
2026-09-11T11:14:39.866042Z  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=2773 maximum_identical_destinations=1
2026-09-11T11:14:39.866063Z  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=1094 selected_horizon=1094 endpoint_lower_bound=288 lower_bound_gap=806 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.871348Z  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=1432 row_words=15 horizon=1094
2026-09-11T11:14:39.896319Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=2193 maximum_identical_destinations=1
2026-09-11T11:14:39.896345Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3082 selected_horizon=3082 endpoint_lower_bound=2304 lower_bound_gap=778 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.897742Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=70 row_words=31 horizon=3082
2026-09-11T11:14:39.917600Z  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=8748 maximum_identical_destinations=1
2026-09-11T11:14:39.917624Z  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=9329 selected_horizon=9329 endpoint_lower_bound=7008 lower_bound_gap=2321 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.926707Z  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=139 row_words=201 horizon=9329
2026-09-11T11:14:39.949983Z  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=16520 maximum_identical_destinations=1
2026-09-11T11:14:39.950007Z  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=6258 selected_horizon=6258 endpoint_lower_bound=3040 lower_bound_gap=3218 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:39.956137Z  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=673 row_words=71 horizon=6258
2026-09-11T11:14:39.999542Z  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=2820 maximum_identical_destinations=1
2026-09-11T11:14:39.999569Z  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=3437 selected_horizon=3437 endpoint_lower_bound=1076 lower_bound_gap=2361 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.002491Z  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=1420 row_words=15 horizon=3437
2026-09-11T11:14:40.025004Z  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=2198 maximum_identical_destinations=1
2026-09-11T11:14:40.025025Z  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=4406 selected_horizon=4406 endpoint_lower_bound=2152 lower_bound_gap=2254 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.027115Z  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=169 row_words=20 horizon=4406
2026-09-11T11:14:40.054794Z  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=42560 maximum_identical_destinations=1
2026-09-11T11:14:40.054820Z  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=710 selected_horizon=710 endpoint_lower_bound=512 lower_bound_gap=198 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.062813Z  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=262 row_words=172 horizon=710
2026-09-11T11:14:40.141123Z  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=50544 maximum_identical_destinations=1
2026-09-11T11:14:40.141150Z  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=14734 selected_horizon=14734 endpoint_lower_bound=7424 lower_bound_gap=7310 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.164451Z  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=938 row_words=177 horizon=14734
2026-09-11T11:14:40.186497Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:40.186531Z  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=5246 selected_horizon=5246 endpoint_lower_bound=3456 lower_bound_gap=1790 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.187666Z  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=354 row_words=13 horizon=5246
2026-09-11T11:14:40.200661Z  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=2184 maximum_identical_destinations=1
2026-09-11T11:14:40.200678Z  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=8158 selected_horizon=8158 endpoint_lower_bound=6912 lower_bound_gap=1246 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.201632Z  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=167 row_words=51 horizon=8158
2026-09-11T11:14:40.277323Z  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=2589 maximum_identical_destinations=1
2026-09-11T11:14:40.277348Z  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=6357 selected_horizon=6357 endpoint_lower_bound=2048 lower_bound_gap=4309 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:40.278766Z  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=431 row_words=23 horizon=6357
2026-09-11T11:14:42.476400Z  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=128168 maximum_identical_destinations=1
2026-09-11T11:14:42.476438Z  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=11424 selected_horizon=11424 endpoint_lower_bound=6912 lower_bound_gap=4512 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:42.550183Z  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=155252 maximum_identical_destinations=1
2026-09-11T11:14:42.550252Z  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=4487 selected_horizon=4487 endpoint_lower_bound=1728 lower_bound_gap=2759 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:42.571601Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=9 candidates=6561 ordinary_horizon=17780 paired_horizon=189735 use_paired=false
2026-09-11T11:14:42.588771Z  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=66 row_words=1041 horizon=11424
2026-09-11T11:14:42.643460Z  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=606 row_words=264 horizon=4487
2026-09-11T11:14:42.678794Z  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=6561 maximum_identical_destinations=1
2026-09-11T11:14:42.678823Z  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=17780 selected_horizon=17780 endpoint_lower_bound=15616 lower_bound_gap=2164 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:42.695253Z  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=105 row_words=287 horizon=17780
2026-09-11T11:14:42.710245Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=43 transfers=195689 maximum_identical_destinations=1
2026-09-11T11:14:42.710281Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=43 initial_horizon=4980 selected_horizon=4980 endpoint_lower_bound=2152 lower_bound_gap=2828 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:42.833942Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=43 tile=229 row_words=509 horizon=4980
2026-09-11T11:14:43.228780Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=87 transfers=301599 maximum_identical_destinations=1
2026-09-11T11:14:43.228829Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=87 initial_horizon=1508 selected_horizon=1508 endpoint_lower_bound=896 lower_bound_gap=612 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:43.484824Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=87 tile=1361 row_words=459 horizon=1508
2026-09-11T11:14:43.532570Z  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=51948 maximum_identical_destinations=1
2026-09-11T11:14:43.532605Z  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=1111 selected_horizon=1111 endpoint_lower_bound=576 lower_bound_gap=535 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:43.549486Z  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=937 row_words=127 horizon=1111
2026-09-11T11:14:47.381010Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=47 transfers=302920 maximum_identical_destinations=1
2026-09-11T11:14:47.381049Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=47 initial_horizon=9424 selected_horizon=9424 endpoint_lower_bound=5120 lower_bound_gap=4304 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:47.595869Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=47 tile=45 row_words=1573 horizon=9424
2026-09-11T11:14:47.751430Z  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=74 success=true
2026-09-11T11:14:47.758100Z  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=6 success=true
2026-09-11T11:14:47.765315Z  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
2026-09-11T11:14:47.976465Z  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=40720 maximum_uncompressed_repeat_patch_bytes=324 maximum_elided_arithmetic_patch_bytes=324
2026-09-11T11:14:50.724296Z  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=262 success=true
2026-09-11T11:14:50.724384Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=391568 host_code_base=391568 host_code_bytes=9084 generated_code_bytes=18040 exchange_table_bytes=40720 executable_ranges=[(377572, 377576), (378316, 378320), (380716, 380720), (383028, 383032), (385044, 385048), (386756, 386760), (388772, 388776), (400720, 524288)]
2026-09-11T11:14:50.724438Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=391568 profile_bytes=1224 exchange_table_bytes=40720 host_code_bytes=9084 host_data_bytes=6280 generated_code_bytes=18040 code_address=400720 available_ranges=[(327680, 360448), (368488, 376832), (475136, 524288), (525512, 949168)]
2026-09-11T11:14:51.675641Z  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=951 success=true
2026-09-11T11:14:51.680560Z  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=69
2026-09-11T11:14:51.682434Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=70
2026-09-11T11:14:51.683558Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=71
2026-09-11T11:14:51.687653Z  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
2026-09-11T11:14:51.687684Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=11
2026-09-11T11:14:51.693421Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=72
2026-09-11T11:14:51.701728Z  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
2026-09-11T11:14:51.702705Z  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=2773 maximum_identical_destinations=1
2026-09-11T11:14:51.702719Z  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=1094 selected_horizon=1094 endpoint_lower_bound=288 lower_bound_gap=806 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.704581Z  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=1432 row_words=15 horizon=1094
2026-09-11T11:14:51.709218Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=73
2026-09-11T11:14:51.709805Z  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=73 transfers=1294 maximum_identical_destinations=1
2026-09-11T11:14:51.709826Z  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=73 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.711636Z  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=73 tile=866 row_words=10 horizon=471
2026-09-11T11:14:51.719563Z  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
2026-09-11T11:14:51.720182Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=6 transfers=2193 maximum_identical_destinations=1
2026-09-11T11:14:51.720191Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=6 initial_horizon=3082 selected_horizon=3082 endpoint_lower_bound=2304 lower_bound_gap=778 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.721378Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=6 tile=70 row_words=31 horizon=3082
2026-09-11T11:14:51.723762Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=74
2026-09-11T11:14:51.724294Z  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=74 transfers=1224 maximum_identical_destinations=1
2026-09-11T11:14:51.724307Z  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=74 initial_horizon=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.725159Z  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=74 tile=47 row_words=23 horizon=374
2026-09-11T11:14:51.731938Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=75
2026-09-11T11:14:51.738174Z  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=76
2026-09-11T11:14:51.740412Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=77
2026-09-11T11:14:51.750160Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=78
2026-09-11T11:14:51.751452Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=79
2026-09-11T11:14:51.762055Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=80
2026-09-11T11:14:51.771543Z  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
2026-09-11T11:14:51.787025Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=81
2026-09-11T11:14:51.787842Z  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=81 transfers=1438 maximum_identical_destinations=1
2026-09-11T11:14:51.787860Z  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=81 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.790499Z  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=81 tile=875 row_words=10 horizon=1112
2026-09-11T11:14:51.811086Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=82
2026-09-11T11:14:51.811882Z  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=82 transfers=1400 maximum_identical_destinations=1
2026-09-11T11:14:51.811901Z  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=82 initial_horizon=4006 selected_horizon=4006 endpoint_lower_bound=3920 lower_bound_gap=86 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.813362Z  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=82 tile=39 row_words=39 horizon=4006
2026-09-11T11:14:51.841089Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=83
2026-09-11T11:14:51.842199Z  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=83 transfers=2151 maximum_identical_destinations=1
2026-09-11T11:14:51.842246Z  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=83 initial_horizon=183 selected_horizon=183 endpoint_lower_bound=64 lower_bound_gap=119 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.844546Z  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=83 tile=1105 row_words=39 horizon=183
2026-09-11T11:14:51.850246Z  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
2026-09-11T11:14:51.859551Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=84
2026-09-11T11:14:51.860084Z  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=84 transfers=1075 maximum_identical_destinations=1
2026-09-11T11:14:51.860096Z  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=84 initial_horizon=216 selected_horizon=216 endpoint_lower_bound=4 lower_bound_gap=212 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.861403Z  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=84 tile=46 row_words=9 horizon=216
2026-09-11T11:14:51.876357Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=85
2026-09-11T11:14:51.876892Z  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=85 transfers=1023 maximum_identical_destinations=1
2026-09-11T11:14:51.876914Z  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=85 initial_horizon=2206 selected_horizon=2206 endpoint_lower_bound=2148 lower_bound_gap=58 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.878073Z  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=85 tile=0 row_words=1028 horizon=2206
2026-09-11T11:14:51.878134Z  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
2026-09-11T11:14:51.883632Z  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=40 transfers=9677 maximum_identical_destinations=1
2026-09-11T11:14:51.883655Z  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=40 initial_horizon=8957 selected_horizon=8957 endpoint_lower_bound=7680 lower_bound_gap=1277 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:51.888530Z  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=40 tile=86 row_words=143 horizon=8957
2026-09-11T11:14:51.889612Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=86
2026-09-11T11:14:51.900119Z  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
2026-09-11T11:14:51.997594Z  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=8694 maximum_identical_destinations=1
2026-09-11T11:14:51.997627Z  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=18402 selected_horizon=18402 endpoint_lower_bound=7872 lower_bound_gap=10530 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:52.002046Z  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=643 row_words=39 horizon=18402
2026-09-11T11:14:52.005750Z  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
2026-09-11T11:14:52.083831Z  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
2026-09-11T11:14:52.110171Z  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=50544 maximum_identical_destinations=1
2026-09-11T11:14:52.110196Z  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=14734 selected_horizon=14734 endpoint_lower_bound=7424 lower_bound_gap=7310 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.147975Z  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=938 row_words=177 horizon=14734
2026-09-11T11:14:52.192032Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=25
2026-09-11T11:14:52.275534Z  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
2026-09-11T11:14:52.309973Z  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=19683 maximum_identical_destinations=1
2026-09-11T11:14:52.310006Z  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=11954 selected_horizon=11954 endpoint_lower_bound=9760 lower_bound_gap=2194 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.324903Z  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=481 row_words=544 horizon=11954
2026-09-11T11:14:52.353730Z  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
2026-09-11T11:14:52.505752Z  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
2026-09-11T11:14:52.613967Z  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
2026-09-11T11:14:52.649947Z  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=51948 maximum_identical_destinations=1
2026-09-11T11:14:52.649990Z  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=1122 selected_horizon=1122 endpoint_lower_bound=576 lower_bound_gap=546 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.657764Z  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
2026-09-11T11:14:52.677002Z  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=1229 row_words=126 horizon=1122
2026-09-11T11:14:52.705882Z  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
2026-09-11T11:14:52.706647Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=35 transfers=1457 maximum_identical_destinations=1
2026-09-11T11:14:52.706665Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=35 initial_horizon=3101 selected_horizon=3101 endpoint_lower_bound=2304 lower_bound_gap=797 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.708710Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=35 tile=181 row_words=22 horizon=3101
2026-09-11T11:14:52.724082Z  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
2026-09-11T11:14:52.724627Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:52.724643Z  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=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.725736Z  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=171 row_words=17 horizon=2921
2026-09-11T11:14:52.751172Z  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
2026-09-11T11:14:52.757319Z  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=11656 maximum_identical_destinations=1
2026-09-11T11:14:52.757338Z  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=3926 selected_horizon=3926 endpoint_lower_bound=2304 lower_bound_gap=1622 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.761742Z  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=173 row_words=125 horizon=3926
2026-09-11T11:14:52.773977Z  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
2026-09-11T11:14:52.781793Z  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
2026-09-11T11:14:52.797162Z  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
2026-09-11T11:14:52.831391Z  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=7290 maximum_identical_destinations=1
2026-09-11T11:14:52.831419Z  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=8086 selected_horizon=8086 endpoint_lower_bound=5888 lower_bound_gap=2198 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:52.845554Z  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=79 row_words=273 horizon=8086
2026-09-11T11:14:53.162056Z  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
2026-09-11T11:14:53.187249Z  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
2026-09-11T11:14:53.187629Z  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=4374 maximum_identical_destinations=1
2026-09-11T11:14:53.187654Z  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=10088 selected_horizon=10088 endpoint_lower_bound=7872 lower_bound_gap=2216 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.199354Z  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=136 row_words=234 horizon=10088
2026-09-11T11:14:53.210520Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=89
2026-09-11T11:14:53.214878Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=90
2026-09-11T11:14:53.220380Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=91
2026-09-11T11:14:53.274940Z  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=6561 maximum_identical_destinations=1
2026-09-11T11:14:53.274977Z  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=17780 selected_horizon=17780 endpoint_lower_bound=15616 lower_bound_gap=2164 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.292698Z  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=105 row_words=287 horizon=17780
2026-09-11T11:14:53.340608Z  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
2026-09-11T11:14:53.348149Z  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
2026-09-11T11:14:53.349359Z  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=2589 maximum_identical_destinations=1
2026-09-11T11:14:53.349377Z  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=6357 selected_horizon=6357 endpoint_lower_bound=2048 lower_bound_gap=4309 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.351589Z  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=431 row_words=23 horizon=6357
2026-09-11T11:14:53.373121Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=14
2026-09-11T11:14:53.373695Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:53.373710Z  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=5246 selected_horizon=5246 endpoint_lower_bound=3456 lower_bound_gap=1790 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.374978Z  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=354 row_words=13 horizon=5246
2026-09-11T11:14:53.404757Z  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=2184 maximum_identical_destinations=1
2026-09-11T11:14:53.404777Z  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=7015 selected_horizon=7015 endpoint_lower_bound=6912 lower_bound_gap=103 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:53.406158Z  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=167 row_words=50 horizon=7015
2026-09-11T11:14:53.460107Z  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
2026-09-11T11:14:53.478484Z  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=42560 maximum_identical_destinations=1
2026-09-11T11:14:53.478509Z  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=710 selected_horizon=710 endpoint_lower_bound=512 lower_bound_gap=198 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.494350Z  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=262 row_words=172 horizon=710
2026-09-11T11:14:53.498378Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=18
2026-09-11T11:14:53.509265Z  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
2026-09-11T11:14:53.636447Z  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
2026-09-11T11:14:53.644475Z  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=16520 maximum_identical_destinations=1
2026-09-11T11:14:53.644494Z  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=6258 selected_horizon=6258 endpoint_lower_bound=3040 lower_bound_gap=3218 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.646183Z  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
2026-09-11T11:14:53.653553Z  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=673 row_words=71 horizon=6258
2026-09-11T11:14:53.681163Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=30
2026-09-11T11:14:53.730739Z  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=8748 maximum_identical_destinations=1
2026-09-11T11:14:53.730776Z  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=9329 selected_horizon=9329 endpoint_lower_bound=7008 lower_bound_gap=2321 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.748619Z  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=139 row_words=201 horizon=9329
2026-09-11T11:14:53.791354Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=31
2026-09-11T11:14:53.792158Z  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=1725 maximum_identical_destinations=1
2026-09-11T11:14:53.792173Z  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=1431 selected_horizon=1431 endpoint_lower_bound=1152 lower_bound_gap=279 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:53.793933Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=31 tile=235 row_words=22 horizon=1431
2026-09-11T11:14:53.801517Z  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
2026-09-11T11:14:53.802390Z  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
2026-09-11T11:14:53.937285Z  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
2026-09-11T11:14:53.975717Z  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
2026-09-11T11:14:53.994287Z  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=20656 maximum_identical_destinations=1
2026-09-11T11:14:53.994320Z  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=7526 selected_horizon=7526 endpoint_lower_bound=3648 lower_bound_gap=3878 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.006805Z  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=860 row_words=87 horizon=7526
2026-09-11T11:14:54.023729Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=88
2026-09-11T11:14:54.024282Z  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=88 transfers=1368 maximum_identical_destinations=1
2026-09-11T11:14:54.024296Z  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=88 initial_horizon=406 selected_horizon=406 endpoint_lower_bound=304 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.025100Z  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=88 tile=47 row_words=25 horizon=406
2026-09-11T11:14:54.051524Z  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
2026-09-11T11:14:54.052521Z  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=2820 maximum_identical_destinations=1
2026-09-11T11:14:54.052536Z  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=3437 selected_horizon=3437 endpoint_lower_bound=1076 lower_bound_gap=2361 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.054977Z  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=1420 row_words=15 horizon=3437
2026-09-11T11:14:54.073811Z  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
2026-09-11T11:14:54.076686Z  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
2026-09-11T11:14:54.077488Z  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=2198 maximum_identical_destinations=1
2026-09-11T11:14:54.077502Z  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=4406 selected_horizon=4406 endpoint_lower_bound=2152 lower_bound_gap=2254 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.079410Z  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=169 row_words=20 horizon=4406
2026-09-11T11:14:54.088029Z  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
2026-09-11T11:14:54.097361Z  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
2026-09-11T11:14:54.097853Z  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=1224 maximum_identical_destinations=1
2026-09-11T11:14:54.097864Z  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=374 selected_horizon=374 endpoint_lower_bound=272 lower_bound_gap=102 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.098701Z  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=47 row_words=23 horizon=374
2026-09-11T11:14:54.104754Z  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
2026-09-11T11:14:54.123729Z  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
2026-09-11T11:14:54.124631Z  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=1743 maximum_identical_destinations=1
2026-09-11T11:14:54.124648Z  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=5892 selected_horizon=5892 endpoint_lower_bound=4644 lower_bound_gap=1248 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.126433Z  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=14 row_words=59 horizon=5892
2026-09-11T11:14:54.458960Z  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
2026-09-11T11:14:54.484038Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=58 transfers=45090 maximum_identical_destinations=1
2026-09-11T11:14:54.484067Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=58 initial_horizon=11314 selected_horizon=11314 endpoint_lower_bound=6048 lower_bound_gap=5266 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.518193Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=58 tile=1084 row_words=180 horizon=11314
2026-09-11T11:14:54.570754Z  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
2026-09-11T11:14:54.597834Z  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=51948 maximum_identical_destinations=1
2026-09-11T11:14:54.597856Z  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=1111 selected_horizon=1111 endpoint_lower_bound=576 lower_bound_gap=535 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.622745Z  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=937 row_words=127 horizon=1111
2026-09-11T11:14:54.651263Z  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
2026-09-11T11:14:54.651779Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:54.651788Z  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=3513 selected_horizon=3513 endpoint_lower_bound=2304 lower_bound_gap=1209 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.652885Z  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=355 row_words=13 horizon=3513
2026-09-11T11:14:54.675323Z  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
2026-09-11T11:14:54.681413Z  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
2026-09-11T11:14:54.696555Z  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
2026-09-11T11:14:54.697025Z  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=1294 maximum_identical_destinations=1
2026-09-11T11:14:54.697036Z  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=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.698466Z  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=866 row_words=10 horizon=471
2026-09-11T11:14:54.714715Z  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
2026-09-11T11:14:54.715195Z  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=51 transfers=1457 maximum_identical_destinations=1
2026-09-11T11:14:54.715222Z  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=51 initial_horizon=2798 selected_horizon=2798 endpoint_lower_bound=2304 lower_bound_gap=494 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.716698Z  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=51 tile=148 row_words=24 horizon=2798
2026-09-11T11:14:54.729010Z  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=155252 maximum_identical_destinations=1
2026-09-11T11:14:54.729033Z  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=4487 selected_horizon=4487 endpoint_lower_bound=1728 lower_bound_gap=2759 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.730733Z  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
2026-09-11T11:14:54.731254Z  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=1457 maximum_identical_destinations=1
2026-09-11T11:14:54.731266Z  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=2921 selected_horizon=2921 endpoint_lower_bound=2304 lower_bound_gap=617 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:54.732302Z  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=171 row_words=17 horizon=2921
2026-09-11T11:14:54.797972Z  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
2026-09-11T11:14:54.803165Z  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=606 row_words=264 horizon=4487
2026-09-11T11:14:54.810288Z  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
2026-09-11T11:14:54.833216Z  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
2026-09-11T11:14:54.875154Z  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
2026-09-11T11:14:54.960549Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=43 transfers=195689 maximum_identical_destinations=1
2026-09-11T11:14:54.960582Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=43 initial_horizon=4980 selected_horizon=4980 endpoint_lower_bound=2152 lower_bound_gap=2828 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.048039Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=43 tile=229 row_words=509 horizon=4980
2026-09-11T11:14:55.308527Z  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
2026-09-11T11:14:55.334778Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=55 transfers=6561 maximum_identical_destinations=1
2026-09-11T11:14:55.334810Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=55 initial_horizon=9028 selected_horizon=9028 endpoint_lower_bound=5248 lower_bound_gap=3780 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.343313Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=55 tile=171 row_words=133 horizon=9028
2026-09-11T11:14:55.360287Z  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
2026-09-11T11:14:55.360798Z  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=56 transfers=1295 maximum_identical_destinations=1
2026-09-11T11:14:55.360812Z  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=56 initial_horizon=4249 selected_horizon=4249 endpoint_lower_bound=4096 lower_bound_gap=153 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.361652Z  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=56 tile=152 row_words=16 horizon=4249
2026-09-11T11:14:55.567135Z  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
2026-09-11T11:14:55.572853Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=67 transfers=11520 maximum_identical_destinations=1
2026-09-11T11:14:55.572879Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=67 initial_horizon=2410 selected_horizon=2410 endpoint_lower_bound=2304 lower_bound_gap=106 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.578948Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=67 tile=168 row_words=108 horizon=2410
2026-09-11T11:14:55.588630Z  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
2026-09-11T11:14:55.649417Z  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
2026-09-11T11:14:55.667560Z  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=50 transfers=51925 maximum_identical_destinations=1
2026-09-11T11:14:55.667580Z  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=50 initial_horizon=1090 selected_horizon=1090 endpoint_lower_bound=576 lower_bound_gap=514 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.669143Z  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
2026-09-11T11:14:55.686309Z  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=50 tile=850 row_words=106 horizon=1090
2026-09-11T11:14:55.703868Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=66 transfers=68951 maximum_identical_destinations=1
2026-09-11T11:14:55.703904Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=66 initial_horizon=12646 selected_horizon=12646 endpoint_lower_bound=7996 lower_bound_gap=4650 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:55.795381Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=66 tile=70 row_words=2375 horizon=12646
2026-09-11T11:14:56.105234Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=112284 maximum_identical_destinations=1
2026-09-11T11:14:56.105273Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=27439 selected_horizon=27439 endpoint_lower_bound=9072 lower_bound_gap=18367 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:14:56.158311Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=712 row_words=406 horizon=27439
2026-09-11T11:14:56.422094Z  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
2026-09-11T11:14:56.475141Z  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=103635 maximum_identical_destinations=1
2026-09-11T11:14:56.475173Z  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=1973 selected_horizon=1973 endpoint_lower_bound=1152 lower_bound_gap=821 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:56.532509Z  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=239 row_words=188 horizon=1973
2026-09-11T11:14:57.696453Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=87
2026-09-11T11:14:57.892011Z  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=87 transfers=301599 maximum_identical_destinations=1
2026-09-11T11:14:57.892056Z  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=87 initial_horizon=1508 selected_horizon=1508 endpoint_lower_bound=896 lower_bound_gap=612 selected_kind="reused" neighborhood_improvements=0
2026-09-11T11:14:58.171522Z  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=87 tile=1361 row_words=459 horizon=1508
2026-09-11T11:14:59.968971Z  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=128168 maximum_identical_destinations=1
2026-09-11T11:14:59.969020Z  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=11164 selected_horizon=11164 endpoint_lower_bound=6912 lower_bound_gap=4252 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:15:00.133545Z  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=73 row_words=1044 horizon=11164
2026-09-11T11:15:07.108183Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=47 transfers=302920 maximum_identical_destinations=1
2026-09-11T11:15:07.108245Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=47 initial_horizon=9424 selected_horizon=9424 endpoint_lower_bound=5120 lower_bound_gap=4304 selected_kind="compact-streams" neighborhood_improvements=0
2026-09-11T11:15:07.340840Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=47 tile=45 row_words=1579 horizon=9424
2026-09-11T11:15:07.419531Z  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=15743 success=true
2026-09-11T11:15:20.391013Z  INFO 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=12971 success=true
2026-09-11T11:15:20.424996Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=20398906 final_exchange=8875894
2026-09-11T11:15:22.330301Z  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=378 success=true
2026-09-11T11:15:22.513955Z  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=183 success=true
2026-09-11T11:15:23.252384Z  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=679 success=true
2026-09-11T11:15:23.721564Z  INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=20398906
2026-09-11T11:15:24.275464Z  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=63867 success=true
2026-09-11T11:15:24.935638Z  INFO writing application package tiles=1472
2026-09-11T11:15:25.444276Z  INFO application package written
2026-09-11T11:15:25.461977Z  INFO reading application package
2026-09-11T11:15:26.675710Z  INFO application package read tiles=1472 compiler=0.1.0
2026-09-11T11:15:26.699357Z  INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T11:15:26.699383Z  INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock
2026-09-11T11:15:26.699389Z  INFO opening IPU device path="/dev/ipu0"
2026-09-11T11:15:26.699423Z  INFO IPU device attached path=/dev/ipu0
2026-09-11T11:15:26.699427Z  INFO initializing IPU device
2026-09-11T11:15:26.707234Z  INFO IPU device initialized
2026-09-11T11:15:26.707246Z  INFO replaying device configuration register_writes=2003
2026-09-11T11:15:26.741179Z  INFO loading application tile_count=1472 final_mark=23
2026-09-11T11:15:26.949175Z  INFO application loaded and initial synchronization completed tile_count=1472
2026-09-11T11:15:33.545567Z  INFO prepared reference inputs elapsed_ms=6591
2026-09-11T11:15:33.545996Z  INFO configured host reference BLAS threads=4
referencePrecision=fp32
2026-09-11T11:15:55.875269Z  INFO evaluated host reference elapsed_ms=22329
2026-09-11T11:15:55.880066Z  INFO starting host exchange session startup_mark=23
2026-09-11T11:15:55.880121Z  INFO attaching host exchange pages pages=2
2026-09-11T11:15:55.883568Z  INFO host exchange session started
2026-09-11T11:15:55.884577Z  INFO invoking streaming host exchange call call="initialize" command=0 phases=342
2026-09-11T11:15:56.154444Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
profile=artifacts/baseline-local-planner/pairwise-resident-full27-hardware/model.ipuprof tiles=1472 samples=312367
referenceMinimumCosineSimilarity=0.994212810
referenceInference=1 numericalTest=PASS
2026-09-11T11:15:57.400097Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
referenceMinimumCosineSimilarity=0.994212810
referenceInference=2 numericalTest=PASS
2026-09-11T11:15:57.415676Z  INFO invoking streaming host exchange call call="run" command=0 phases=13
referenceMinimumCosineSimilarity=0.994212810
referenceInference=3 numericalTest=PASS
referenceMaximumAbsoluteError=0.410389 numericalTest=PASS
package=artifacts/baseline-local-planner/pairwise-resident-full27-hardware/model.ipuexe tiles=1472 hardwareTest=PASS