2026-09-12T18:08:10.823540Z 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 2026-09-12T18:08:10.886294Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: loaded mid-plan search state path=artifacts/in-place-cast-20260912/late-state.json attempts=2 2026-09-12T18:08:11.670371Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(369) output=MidValueId(370) input_layout=Layout { order: RowMajor, tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670420Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(391) output=MidValueId(392) input_layout=Layout { order: RowMajor, tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670428Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(405) output=MidValueId(406) input_layout=Layout { order: RowMajor, tiling: TensorTiling { tile_count: 1458, replicas: 54, axes: [AxisTiling { axis: FromEnd(1), partitions: 3, padding_groups: 1, block_size: 384, padding_multiple: 384, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 9, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1458, replicas: 54, axes: [AxisTiling { axis: FromEnd(1), partitions: 3, padding_groups: 1, block_size: 384, padding_multiple: 384, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 9, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670444Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(426) output=MidValueId(427) input_layout=Layout { order: RowMajor, tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 729, replicas: 1, axes: [AxisTiling { axis: FromEnd(2), partitions: 729, padding_groups: 1, block_size: 1, padding_multiple: 1, shard_padding_multiple: 1, padding: Reject, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670450Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(434) output=MidValueId(435) input_layout=Layout { order: RowMajor, tiling: TensorTiling { tile_count: 1296, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 18, padding_groups: 1, block_size: 64, padding_multiple: 64, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1296, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 18, padding_groups: 1, block_size: 64, padding_multiple: 64, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670470Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(457) output=MidValueId(458) input_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1296, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 18, padding_groups: 1, block_size: 64, padding_multiple: 64, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1296, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 18, padding_groups: 1, block_size: 64, padding_multiple: 64, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670479Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(471) output=MidValueId(472) input_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1440, replicas: 40, axes: [AxisTiling { axis: FromEnd(1), partitions: 36, padding_groups: 1, block_size: 32, padding_multiple: 32, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1440, replicas: 40, axes: [AxisTiling { axis: FromEnd(1), partitions: 36, padding_groups: 1, block_size: 32, padding_multiple: 32, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:11.670487Z DEBUG ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: considering cast storage donation input=MidValueId(481) output=MidValueId(482) input_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1440, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 20, padding_groups: 1, block_size: 224, padding_multiple: 224, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } output_layout=Layout { order: Amp(Left), tiling: TensorTiling { tile_count: 1440, replicas: 72, axes: [AxisTiling { axis: FromEnd(1), partitions: 20, padding_groups: 1, block_size: 224, padding_multiple: 224, shard_padding_multiple: 1, padding: Zero, tile_stride: None }, AxisTiling { axis: FromEnd(2), partitions: 1, padding_groups: 1, block_size: 2, padding_multiple: 2, shard_padding_multiple: 1, padding: Zero, tile_stride: None }] }, memory_class: Ipu21Standard } 2026-09-12T18:08:24.575445Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=10933 expansion_and_footprint_ms=12884 estimated_row_bytes=88536 heuristic_row_bytes=375244 geometry_fragments_per_tile=10515 fragment_limit=16384 2026-09-12T18:08:24.805342Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: eliminated unread FP8 cast input padding clears removed=1620 2026-09-12T18:08:25.672981Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=120 transfers=2207 maximum_identical_destinations=1 2026-09-12T18:08:25.673023Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=120 initial_horizon=221 selected_horizon=221 endpoint_lower_bound=112 lower_bound_gap=109 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.675369Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=120 tile=25 row_words=73 horizon=221 2026-09-12T18:08:25.705743Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=82 candidates=64 ordinary_horizon=231 paired_horizon=1250 use_paired=false 2026-09-12T18:08:25.709187Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=76 candidates=34 ordinary_horizon=1264 paired_horizon=2801 use_paired=false 2026-09-12T18:08:25.713053Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=1368 maximum_identical_destinations=1 2026-09-12T18:08:25.713093Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=963 selected_horizon=963 endpoint_lower_bound=768 lower_bound_gap=195 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.719069Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=903 row_words=16 horizon=963 2026-09-12T18:08:25.723137Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=13 transfers=2193 maximum_identical_destinations=1 2026-09-12T18:08:25.723169Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=13 initial_horizon=702 selected_horizon=702 endpoint_lower_bound=576 lower_bound_gap=126 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.726849Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=13 tile=622 row_words=15 horizon=702 2026-09-12T18:08:25.728284Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.728324Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.730214Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=5 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.730241Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=5 initial_horizon=3571 selected_horizon=3571 endpoint_lower_bound=3456 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.732028Z 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=502 row_words=67 horizon=7200 2026-09-12T18:08:25.733448Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=9 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.733477Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=9 initial_horizon=5150 selected_horizon=5150 endpoint_lower_bound=5088 lower_bound_gap=62 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.734513Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=77 transfers=1294 maximum_identical_destinations=1 2026-09-12T18:08:25.734538Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=77 initial_horizon=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.735310Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=2 transfers=9792 maximum_identical_destinations=1 2026-09-12T18:08:25.735336Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=2 initial_horizon=5395 selected_horizon=5395 endpoint_lower_bound=5280 lower_bound_gap=115 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.735934Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=5 tile=1055 row_words=82 horizon=3571 2026-09-12T18:08:25.735940Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=3 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.735973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=3 initial_horizon=4720 selected_horizon=4720 endpoint_lower_bound=4608 lower_bound_gap=112 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.736661Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=77 tile=866 row_words=10 horizon=471 2026-09-12T18:08:25.740651Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=9 tile=1172 row_words=112 horizon=5150 2026-09-12T18:08:25.740958Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=2 tile=981 row_words=124 horizon=5395 2026-09-12T18:08:25.743019Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=3 tile=1247 row_words=106 horizon=4720 2026-09-12T18:08:25.746652Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=78 transfers=1224 maximum_identical_destinations=1 2026-09-12T18:08:25.746667Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=78 initial_horizon=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.747412Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=78 tile=13 row_words=23 horizon=646 2026-09-12T18:08:25.747978Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=7 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.748000Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=7 initial_horizon=4007 selected_horizon=4007 endpoint_lower_bound=3936 lower_bound_gap=71 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.748239Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=17 transfers=5710 maximum_identical_destinations=1 2026-09-12T18:08:25.748273Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=17 initial_horizon=9580 selected_horizon=9580 endpoint_lower_bound=9472 lower_bound_gap=108 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.751777Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=7 tile=875 row_words=88 horizon=4007 2026-09-12T18:08:25.752782Z 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=1224 maximum_identical_destinations=1 2026-09-12T18:08:25.752796Z 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=646 selected_horizon=646 endpoint_lower_bound=544 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.753501Z 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=13 row_words=23 horizon=646 2026-09-12T18:08:25.754672Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=17 tile=1141 row_words=34 horizon=9580 2026-09-12T18:08:25.763344Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.763365Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.765382Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.765412Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.766446Z 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=510 row_words=71 horizon=7200 2026-09-12T18:08:25.767989Z 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=547 row_words=72 horizon=7200 2026-09-12T18:08:25.771136Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=121 transfers=1471 maximum_identical_destinations=1 2026-09-12T18:08:25.771159Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=121 initial_horizon=4358 selected_horizon=4358 endpoint_lower_bound=4300 lower_bound_gap=58 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.772128Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=121 tile=0 row_words=1476 horizon=4358 2026-09-12T18:08:25.772831Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=83 candidates=110 ordinary_horizon=194 paired_horizon=346 use_paired=false 2026-09-12T18:08:25.794637Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=122 candidates=38 ordinary_horizon=4410 paired_horizon=4738 use_paired=false 2026-09-12T18:08:25.796054Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.796078Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=5741 selected_horizon=5741 endpoint_lower_bound=5664 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.797175Z 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=1438 maximum_identical_destinations=1 2026-09-12T18:08:25.797198Z 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=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.798161Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=41 transfers=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.798178Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=41 initial_horizon=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.800105Z 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=875 row_words=10 horizon=1112 2026-09-12T18:08:25.801413Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=946 row_words=132 horizon=5741 2026-09-12T18:08:25.801576Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=41 tile=382 row_words=72 horizon=7200 2026-09-12T18:08:25.803531Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=8 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.803549Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=8 initial_horizon=4579 selected_horizon=4579 endpoint_lower_bound=4512 lower_bound_gap=67 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.807256Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=4 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:08:25.807281Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=4 initial_horizon=4150 selected_horizon=4150 endpoint_lower_bound=4032 lower_bound_gap=118 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.808155Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=8 tile=1149 row_words=101 horizon=4579 2026-09-12T18:08:25.809855Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=123 transfers=1725 maximum_identical_destinations=1 2026-09-12T18:08:25.809870Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=123 initial_horizon=1112 selected_horizon=1112 endpoint_lower_bound=896 lower_bound_gap=216 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.810783Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.810813Z 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=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.812141Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=123 tile=1357 row_words=14 horizon=1112 2026-09-12T18:08:25.813074Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=4 tile=1267 row_words=94 horizon=4150 2026-09-12T18:08:25.813396Z 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=269 row_words=72 horizon=7201 2026-09-12T18:08:25.822004Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=124 transfers=1368 maximum_identical_destinations=1 2026-09-12T18:08:25.822016Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=124 initial_horizon=710 selected_horizon=710 endpoint_lower_bound=608 lower_bound_gap=102 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.822726Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=124 tile=13 row_words=25 horizon=710 2026-09-12T18:08:25.833391Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=72 transfers=1440 maximum_identical_destinations=1 2026-09-12T18:08:25.833404Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=72 initial_horizon=448 selected_horizon=448 endpoint_lower_bound=360 lower_bound_gap=88 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.834346Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=72 tile=29 row_words=51 horizon=448 2026-09-12T18:08:25.850244Z 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=1294 maximum_identical_destinations=1 2026-09-12T18:08:25.850265Z 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=471 selected_horizon=471 endpoint_lower_bound=256 lower_bound_gap=215 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.853125Z 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=866 row_words=10 horizon=471 2026-09-12T18:08:25.854849Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.854882Z 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=7196 selected_horizon=7196 endpoint_lower_bound=7104 lower_bound_gap=92 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.857011Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=65 candidates=136 ordinary_horizon=193 paired_horizon=438 use_paired=false 2026-09-12T18:08:25.858369Z 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=574 row_words=72 horizon=7196 2026-09-12T18:08:25.866627Z 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=2160 maximum_identical_destinations=1 2026-09-12T18:08:25.866655Z 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=22673 selected_horizon=22673 endpoint_lower_bound=18432 lower_bound_gap=4241 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.877326Z 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=1073 row_words=59 horizon=22673 2026-09-12T18:08:25.880844Z 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=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.880865Z 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=7200 selected_horizon=7200 endpoint_lower_bound=7104 lower_bound_gap=96 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.883515Z 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=248 row_words=71 horizon=7200 2026-09-12T18:08:25.930976Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=59 candidates=18 ordinary_horizon=1897 paired_horizon=1708 use_paired=false 2026-09-12T18:08:25.932802Z 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=6672 maximum_identical_destinations=1 2026-09-12T18:08:25.932828Z 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=7208 selected_horizon=7208 endpoint_lower_bound=7104 lower_bound_gap=104 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.934221Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=37 transfers=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.934250Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=37 initial_horizon=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.935935Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=37 tile=622 row_words=66 horizon=7202 2026-09-12T18:08:25.936306Z 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=440 row_words=75 horizon=7208 2026-09-12T18:08:25.949886Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=38 transfers=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.949923Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=38 initial_horizon=7201 selected_horizon=7201 endpoint_lower_bound=7104 lower_bound_gap=97 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.951955Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=48 candidates=18 ordinary_horizon=1892 paired_horizon=1710 use_paired=false 2026-09-12T18:08:25.954037Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=38 tile=486 row_words=67 horizon=7201 2026-09-12T18:08:25.957597Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=36 transfers=3456 maximum_identical_destinations=1 2026-09-12T18:08:25.957620Z 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=7202 selected_horizon=7202 endpoint_lower_bound=7104 lower_bound_gap=98 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.959292Z 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=318 row_words=67 horizon=7202 2026-09-12T18:08:25.972827Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=71 transfers=23040 maximum_identical_destinations=1 2026-09-12T18:08:25.972864Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=71 initial_horizon=2415 selected_horizon=2415 endpoint_lower_bound=2304 lower_bound_gap=111 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:25.987163Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=71 tile=185 row_words=107 horizon=2415 2026-09-12T18:08:26.025313Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=14 candidates=18 ordinary_horizon=1899 paired_horizon=1850 use_paired=false 2026-09-12T18:08:26.250435Z 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=41964 maximum_identical_destinations=1 2026-09-12T18:08:26.250468Z 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=6348 selected_horizon=6348 endpoint_lower_bound=5120 lower_bound_gap=1228 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:26.265313Z 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=307 row_words=127 horizon=6348 2026-09-12T18:08:26.337584Z 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=9684 maximum_identical_destinations=1 2026-09-12T18:08:26.337625Z 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=10556 selected_horizon=10556 endpoint_lower_bound=7680 lower_bound_gap=2876 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:26.364117Z 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=535 row_words=149 horizon=10556 2026-09-12T18:08:26.419407Z 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=23312 maximum_identical_destinations=1 2026-09-12T18:08:26.419451Z 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=2781 selected_horizon=2781 endpoint_lower_bound=1152 lower_bound_gap=1629 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:26.433453Z 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=209 row_words=140 horizon=2781 2026-09-12T18:08:27.567351Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=11 transfers=104868 maximum_identical_destinations=1 2026-09-12T18:08:27.567399Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=11 initial_horizon=1396 selected_horizon=1396 endpoint_lower_bound=1152 lower_bound_gap=244 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:27.630441Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=11 tile=572 row_words=350 horizon=1396 2026-09-12T18:08:27.690414Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=57 transfers=104892 maximum_identical_destinations=1 2026-09-12T18:08:27.690456Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=57 initial_horizon=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:27.749957Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=57 tile=173 row_words=481 horizon=1440 2026-09-12T18:08:28.744296Z 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=720 ordinary_horizon=18926 paired_horizon=11913 use_paired=false 2026-09-12T18:08:28.787092Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=61 transfers=54936 maximum_identical_destinations=1 2026-09-12T18:08:28.787115Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=61 initial_horizon=18926 selected_horizon=18926 endpoint_lower_bound=12112 lower_bound_gap=6814 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:28.814663Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=61 tile=1216 row_words=235 horizon=18926 2026-09-12T18:08:29.984120Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=34 candidates=720 ordinary_horizon=13537 paired_horizon=8368 use_paired=false 2026-09-12T18:08:30.050402Z 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=54936 maximum_identical_destinations=1 2026-09-12T18:08:30.050436Z 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=13537 selected_horizon=13537 endpoint_lower_bound=6352 lower_bound_gap=7185 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:30.091918Z 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=1364 row_words=222 horizon=13537 2026-09-12T18:08:30.097059Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=16 candidates=720 ordinary_horizon=23913 paired_horizon=19870 use_paired=false 2026-09-12T18:08:30.158727Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=16 transfers=54936 maximum_identical_destinations=1 2026-09-12T18:08:30.158752Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=16 initial_horizon=23913 selected_horizon=23913 endpoint_lower_bound=17872 lower_bound_gap=6041 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:30.197974Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=16 tile=1225 row_words=236 horizon=23913 2026-09-12T18:08:31.249879Z 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=391902 maximum_identical_destinations=1 2026-09-12T18:08:31.249917Z 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=4788 selected_horizon=4788 endpoint_lower_bound=4304 lower_bound_gap=484 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:31.534265Z 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=446 row_words=1095 horizon=4788 2026-09-12T18:08:31.768024Z 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=17040 maximum_identical_destinations=1 2026-09-12T18:08:31.768069Z 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=9228 selected_horizon=9228 endpoint_lower_bound=7296 lower_bound_gap=1932 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:31.781895Z 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=1435 row_words=74 horizon=9228 2026-09-12T18:08:32.640214Z 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=209796 maximum_identical_destinations=1 2026-09-12T18:08:32.640266Z 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=2759 selected_horizon=2759 endpoint_lower_bound=2304 lower_bound_gap=455 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:32.834644Z 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=58 row_words=929 horizon=2759 2026-09-12T18:08:34.051008Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=49 candidates=4374 ordinary_horizon=31632 paired_horizon=22210 use_paired=false 2026-09-12T18:08:34.135368Z 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=4374 maximum_identical_destinations=1 2026-09-12T18:08:34.135411Z 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=31632 selected_horizon=31632 endpoint_lower_bound=31488 lower_bound_gap=144 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:34.153182Z 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=720 row_words=346 horizon=31632 2026-09-12T18:08:37.564081Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=163088 maximum_identical_destinations=1 2026-09-12T18:08:37.564123Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=5081 selected_horizon=5081 endpoint_lower_bound=3456 lower_bound_gap=1625 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:37.752815Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=605 row_words=749 horizon=5081 2026-09-12T18:08:45.079069Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=70 transfers=139808 maximum_identical_destinations=1 2026-09-12T18:08:45.079113Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=70 initial_horizon=13086 selected_horizon=13086 endpoint_lower_bound=8164 lower_bound_gap=4922 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:08:45.198855Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=70 tile=150 row_words=2143 horizon=13086 2026-09-12T18:09:03.956266Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=54 candidates=195372 ordinary_horizon=8729 paired_horizon=64536 use_paired=false 2026-09-12T18:09:04.639973Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=54 transfers=196830 maximum_identical_destinations=1 2026-09-12T18:09:04.640032Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=54 initial_horizon=8729 selected_horizon=8729 endpoint_lower_bound=7296 lower_bound_gap=1433 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:04.939991Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=54 tile=105 row_words=2421 horizon=8729 2026-09-12T18:09:07.502377Z 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=104892 maximum_identical_destinations=1 2026-09-12T18:09:07.502428Z 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=1440 selected_horizon=1440 endpoint_lower_bound=1152 lower_bound_gap=288 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:07.593026Z 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=173 row_words=481 horizon=1440 2026-09-12T18:09:07.735461Z 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=8580 maximum_identical_destinations=1 2026-09-12T18:09:07.735521Z 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=9578 selected_horizon=9578 endpoint_lower_bound=7104 lower_bound_gap=2474 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:07.749547Z 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=495 row_words=42 horizon=9578 2026-09-12T18:09:13.765195Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=18 transfers=314620 maximum_identical_destinations=1 2026-09-12T18:09:13.765245Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=18 initial_horizon=3970 selected_horizon=3970 endpoint_lower_bound=3456 lower_bound_gap=514 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:14.024196Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=18 tile=291 row_words=1261 horizon=3970 2026-09-12T18:09:14.106031Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=6 transfers=9216 maximum_identical_destinations=1 2026-09-12T18:09:14.106057Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=6 initial_horizon=3437 selected_horizon=3437 endpoint_lower_bound=3360 lower_bound_gap=77 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:14.109879Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=6 tile=1089 row_words=76 horizon=3437 2026-09-12T18:09:26.017659Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=0 candidates=26244 ordinary_horizon=9037 paired_horizon=27117 use_paired=false 2026-09-12T18:09:26.298902Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=0 transfers=27702 maximum_identical_destinations=1 2026-09-12T18:09:26.298946Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=0 initial_horizon=9037 selected_horizon=9037 endpoint_lower_bound=3904 lower_bound_gap=5133 selected_kind="balanced-compact-streams" neighborhood_improvements=0 2026-09-12T18:09:26.415318Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=0 tile=565 row_words=1221 horizon=9037 2026-09-12T18:09:26.579443Z 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=116 success=true 2026-09-12T18:09:26.586363Z 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 2026-09-12T18:09:26.593649Z 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 2026-09-12T18:09:27.524977Z 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=61372 maximum_uncompressed_repeat_patch_bytes=1404 maximum_elided_arithmetic_patch_bytes=1404 2026-09-12T18:09:30.618300Z 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=85 success=true 2026-09-12T18:09:30.618356Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=392636 host_code_base=392640 host_code_bytes=8940 generated_code_bytes=14756 exchange_table_bytes=61372 executable_ranges=[(377220, 377224), (378124, 378128), (381724, 381728), (382612, 382616), (383500, 383504), (384084, 384088), (386100, 386104), (387812, 387816), (389828, 389832), (390804, 390808), (392636, 392640), (401648, 524288)] 2026-09-12T18:09:30.618377Z INFO ipu_codegen.package.build{tile_count=1472 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=392636 profile_bytes=0 exchange_table_bytes=61372 host_code_bytes=8940 host_data_bytes=6168 generated_code_bytes=14756 code_address=401648 available_ranges=[(327680, 360448), (368376, 376832), (491520, 949168)] 2026-09-12T18:09:31.565596Z 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=947 success=false 2026-09-12T18:09:32.481358Z 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=81657 success=false Error: placement failed: tile 920 has insufficient Ipu21Standard SRAM for 82944 bytes Caused by: tile 920 has insufficient Ipu21Standard SRAM for 82944 bytes