2026-09-11T08:56:49.586941Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=1 success=true 2026-09-11T08:56:49.701357Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: screened exchange table geometry expansion_ms=35 expansion_and_footprint_ms=43 estimated_row_bytes=12752 heuristic_row_bytes=33880 geometry_fragments_per_tile=1276 fragment_limit=16384 2026-09-11T08:56:49.723875Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=7 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false 2026-09-11T08:56:49.726615Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=28 candidates=8 ordinary_horizon=366 paired_horizon=770 use_paired=false 2026-09-11T08:56:49.727259Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=41 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false 2026-09-11T08:56:49.729090Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=43 candidates=8 ordinary_horizon=366 paired_horizon=770 use_paired=false 2026-09-11T08:56:49.733725Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=26 candidates=16 ordinary_horizon=81 paired_horizon=150 use_paired=false 2026-09-11T08:56:49.735480Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=20 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.735513Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=20 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.736060Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=20 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.741954Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=55 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.741994Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=55 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.742257Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=60 candidates=4 ordinary_horizon=69 paired_horizon=128 use_paired=false 2026-09-11T08:56:49.742474Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=55 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.743163Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: compared ordinary and paired exchange schedules phase=62 candidates=2 ordinary_horizon=150 paired_horizon=203 use_paired=false 2026-09-11T08:56:49.746845Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=49 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.746879Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=49 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.747223Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=49 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.764333Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=29 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:49.764361Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=29 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.765322Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=44 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:49.765353Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=44 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.765901Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=63 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:49.765929Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=63 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.765973Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=29 tile=31 row_words=138 horizon=432 2026-09-11T08:56:49.766524Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=44 tile=31 row_words=138 horizon=432 2026-09-11T08:56:49.767083Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=63 tile=31 row_words=138 horizon=432 2026-09-11T08:56:49.780561Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1 2026-09-11T08:56:49.780605Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=10 initial_horizon=517 selected_horizon=517 endpoint_lower_bound=384 lower_bound_gap=133 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.784251Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=10 tile=16 row_words=202 horizon=517 2026-09-11T08:56:49.810698Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1 2026-09-11T08:56:49.810753Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: optimized physical exchange schedule phase=1 initial_horizon=983 selected_horizon=983 endpoint_lower_bound=384 lower_bound_gap=599 selected_kind="compact-streams" neighborhood_improvements=0 2026-09-11T08:56:49.814304Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: finished large physical exchange phase phase=1 tile=25 row_words=207 horizon=983 2026-09-11T08:56:49.819391Z INFO ipu_codegen.package.build{tile_count=64 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=3 success=true 2026-09-11T08:56:49.825497Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.827680Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.853687Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: exchange table and repeat patch storage exchange_table_bytes=6512 maximum_uncompressed_repeat_patch_bytes=2304 maximum_elided_arithmetic_patch_bytes=2304 2026-09-11T08:56:49.934599Z INFO ipu_codegen.package.build{tile_count=64 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=21 success=true 2026-09-11T08:56:49.934671Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: placing generated tile programs linked_end=381320 host_code_base=381320 host_code_bytes=1892 generated_code_bytes=14160 exchange_table_bytes=6512 executable_ranges=[(378020, 378024), (380348, 380352), (383280, 524288)] 2026-09-11T08:56:49.934711Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: allocated package support memory linked_end=381320 profile_bytes=1048 exchange_table_bytes=6512 host_code_bytes=1892 host_data_bytes=1148 generated_code_bytes=14160 code_address=383280 available_ranges=[(363356, 376832), (425984, 524288), (525336, 949168)] 2026-09-11T08:56:49.959794Z INFO ipu_codegen.package.build{tile_count=64 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=25 success=true 2026-09-11T08:56:49.960188Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960392Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960410Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960572Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960588Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960721Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960926Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.960934Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.961312Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.961384Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.961915Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.962600Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.962772Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.962887Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.962906Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=15 2026-09-11T08:56:49.962912Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.963312Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.963327Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=16 2026-09-11T08:56:49.963507Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=42 2026-09-11T08:56:49.963668Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.963817Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.963860Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.964016Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.964028Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.964067Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.964619Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.964710Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=47 2026-09-11T08:56:49.964947Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.965191Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.965679Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.966316Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.967339Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.967673Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.968159Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.969868Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.972875Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.973499Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.974138Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.974623Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.975019Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.975473Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.975645Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.975912Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=55 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.975921Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=55 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:49.976215Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.976338Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.976396Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=55 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.976560Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.976928Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.976990Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=20 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.976999Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=20 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:49.977573Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.977707Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=20 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.978164Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978344Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978366Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978505Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978573Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978745Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.978858Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.979242Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.979397Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.979780Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.979875Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: reused exchange optimization after validating relocated rows phase=49 2026-09-11T08:56:49.980312Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=49 transfers=1152 maximum_identical_destinations=1 2026-09-11T08:56:49.980329Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=49 initial_horizon=294 selected_horizon=294 endpoint_lower_bound=128 lower_bound_gap=166 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:49.980469Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.980777Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=49 tile=43 row_words=72 horizon=294 2026-09-11T08:56:49.980793Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.981153Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.981329Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.991290Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:49.991973Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=44 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:49.991985Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=44 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:49.992823Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=44 tile=31 row_words=138 horizon=432 2026-09-11T08:56:50.000875Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:50.001787Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=29 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:50.001798Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=29 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:50.003392Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=29 tile=31 row_words=138 horizon=432 2026-09-11T08:56:50.010867Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:50.011785Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=63 transfers=2477 maximum_identical_destinations=1 2026-09-11T08:56:50.011812Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=63 initial_horizon=432 selected_horizon=432 endpoint_lower_bound=256 lower_bound_gap=176 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:50.012979Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=63 tile=31 row_words=138 horizon=432 2026-09-11T08:56:50.014708Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:50.016045Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=10 transfers=3666 maximum_identical_destinations=1 2026-09-11T08:56:50.016061Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=10 initial_horizon=517 selected_horizon=517 endpoint_lower_bound=384 lower_bound_gap=133 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:50.018497Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=10 tile=16 row_words=202 horizon=517 2026-09-11T08:56:50.040783Z INFO ipu_codegen.package.build{tile_count=64 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 2026-09-11T08:56:50.042758Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: prepared large physical exchange phase phase=1 transfers=5168 maximum_identical_destinations=1 2026-09-11T08:56:50.042776Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: optimized physical exchange schedule phase=1 initial_horizon=983 selected_horizon=983 endpoint_lower_bound=384 lower_bound_gap=599 selected_kind="reused" neighborhood_improvements=0 2026-09-11T08:56:50.045296Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}:ipu_codegen.package.phase{phase="lower_exchanges"}: finished large physical exchange phase phase=1 tile=25 row_words=207 horizon=983 2026-09-11T08:56:50.046477Z INFO ipu_codegen.package.build{tile_count=64 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=86 success=true 2026-09-11T08:56:50.194197Z INFO ipu_codegen.package.build{tile_count=64 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=147 success=true 2026-09-11T08:56:50.194966Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: costed final placed program final_cycles=409563 final_exchange=131467 2026-09-11T08:56:50.276438Z INFO ipu_codegen.package.build{tile_count=64 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=32 success=true 2026-09-11T08:56:50.323554Z INFO ipu_codegen.package.build{tile_count=64 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=47 success=true 2026-09-11T08:56:50.724684Z INFO ipu_codegen.package.build{tile_count=64 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=392 success=true 2026-09-11T08:56:50.735668Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: validated canonical baseline cycles=409563 2026-09-11T08:56:50.741555Z INFO ipu_codegen.package.build{tile_count=64 operations=25}:ipu_codegen.package.phase{phase="plan_package"}: package build phase finished phase="plan_package" elapsed_ms=1154 success=true 2026-09-11T08:56:50.760585Z INFO writing application package tiles=1472 2026-09-11T08:56:50.823459Z INFO application package written 2026-09-11T08:56:50.824237Z INFO reading application package 2026-09-11T08:56:50.970086Z INFO application package read tiles=1472 compiler=0.1.0 2026-09-11T08:56:50.970579Z INFO waiting for hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-11T08:56:50.970594Z INFO acquired hardware ownership path=artifacts/layout-sweep/device.lock 2026-09-11T08:56:50.970600Z INFO opening IPU device path="/dev/ipu0" 2026-09-11T08:56:50.970640Z INFO IPU device attached path=/dev/ipu0 2026-09-11T08:56:50.970643Z INFO initializing IPU device 2026-09-11T08:56:50.978582Z INFO IPU device initialized 2026-09-11T08:56:50.978617Z INFO replaying device configuration register_writes=2003 2026-09-11T08:56:50.985336Z INFO loading application tile_count=1472 final_mark=23 2026-09-11T08:56:51.216469Z INFO application loaded and initial synchronization completed tile_count=1472 2026-09-11T08:56:51.406905Z INFO starting host exchange session startup_mark=23 2026-09-11T08:56:51.406959Z INFO attaching host exchange pages pages=2 2026-09-11T08:56:51.407632Z INFO host exchange session started 2026-09-11T08:56:51.407658Z INFO invoking streaming host exchange call call="initialize" command=0 phases=70 2026-09-11T08:56:51.418263Z INFO invoking streaming host exchange call call="run" command=0 phases=11 profile=artifacts/baseline-local-planner/shared-worker-small-r3/model.ipuprof tiles=1472 samples=65321 referenceMaximumAbsoluteError=0.189453 numericalTest=PASS package=artifacts/baseline-local-planner/shared-worker-small-r3/model.ipuexe tiles=1472 hardwareTest=PASS