2026-09-06T21:31:45.322486Z  INFO retained operator-plan finalist finalist=0 values=31 operations=2 estimated_cycles=3745899 estimated_exchange_cycles=1101040 exchange_row_bytes=80812 peak_standard_bytes=412076 peak_interleaved_bytes=58240 peak_total_bytes=418220 maximum_standard_allocation_bytes=122880 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:45.325540Z  INFO retained operator-plan finalist finalist=1 values=31 operations=2 estimated_cycles=3881939 estimated_exchange_cycles=1176920 exchange_row_bytes=88052 peak_standard_bytes=437236 peak_interleaved_bytes=58240 peak_total_bytes=443380 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:45.328549Z  INFO retained operator-plan finalist finalist=2 values=31 operations=2 estimated_cycles=3918759 estimated_exchange_cycles=1176920 exchange_row_bytes=88052 peak_standard_bytes=437236 peak_interleaved_bytes=58240 peak_total_bytes=443380 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:51.876595Z  INFO retained operator-plan finalist finalist=0 values=31 operations=2 estimated_cycles=3118791 estimated_exchange_cycles=987760 exchange_row_bytes=72316 peak_standard_bytes=406652 peak_interleaved_bytes=60672 peak_total_bytes=437372 maximum_standard_allocation_bytes=122880 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:51.878069Z  INFO retained operator-plan finalist finalist=1 values=31 operations=2 estimated_cycles=3254831 estimated_exchange_cycles=1063640 exchange_row_bytes=79556 peak_standard_bytes=431812 peak_interleaved_bytes=60672 peak_total_bytes=462532 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:51.879459Z  INFO retained operator-plan finalist finalist=2 values=31 operations=2 estimated_cycles=3291651 estimated_exchange_cycles=1063640 exchange_row_bytes=79556 peak_standard_bytes=431812 peak_interleaved_bytes=60672 peak_total_bytes=462532 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T21:31:51.934808Z  INFO ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=15413 success=true
2026-09-06T21:32:39.384918Z  INFO screened tile mappings by exchange resource load candidates=125 baseline_cycles=388536 candidate_cycles=388536 baseline_pressure=311511 candidate_pressure=311511
2026-09-06T21:32:39.655825Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=2470127 estimated_cycles=3436399 estimated_exchange_cycles=1378808
2026-09-06T21:32:42.723351Z  INFO screened tile mappings by exchange resource load candidates=137 baseline_cycles=413880 candidate_cycles=413880 baseline_pressure=326929 candidate_pressure=326929
2026-09-06T21:32:42.990456Z  INFO modelled expanded operator plan finalist=4 modelled_cycles=2640019 estimated_cycles=4098827 estimated_exchange_cycles=1898488
2026-09-06T21:32:56.325722Z  INFO screened tile mappings by exchange resource load candidates=179 baseline_cycles=433848 candidate_cycles=433848 baseline_pressure=336318 candidate_pressure=336318
2026-09-06T21:32:56.520586Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=2986655 estimated_cycles=3891079 estimated_exchange_cycles=1362272
2026-09-06T21:32:57.818582Z  INFO screened tile mappings by exchange resource load candidates=191 baseline_cycles=459192 candidate_cycles=459192 baseline_pressure=351736 candidate_pressure=351736
2026-09-06T21:32:58.008121Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=3156547 estimated_cycles=4553507 estimated_exchange_cycles=1881952
2026-09-06T21:32:58.008433Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=2 error=tile scheduling failed: operator plan is incompatible with its values or block dimensions
2026-09-06T21:32:58.008491Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=5 error=tile scheduling failed: operator plan is incompatible with its values or block dimensions
2026-09-06T21:32:58.438830Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=11656 maximum_identical_destinations=1
2026-09-06T21:32:58.438862Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=2103 selected_horizon=2103 endpoint_lower_bound=1152 lower_bound_gap=951 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:32:58.448483Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=623 row_words=82 horizon=2103
2026-09-06T21:33:19.101728Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=1 transfers=104904 maximum_identical_destinations=1
2026-09-06T21:33:19.101771Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=1 initial_horizon=6148 selected_horizon=6148 endpoint_lower_bound=1152 lower_bound_gap=4996 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:19.165396Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=1 tile=485 row_words=426 horizon=6148
2026-09-06T21:33:21.272557Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=2 candidates=2766 ordinary_horizon=11460 paired_horizon=10837 use_paired=true
2026-09-06T21:33:21.352350Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=2916 maximum_identical_destinations=1
2026-09-06T21:33:21.352372Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=10837 selected_horizon=10837 endpoint_lower_bound=10368 lower_bound_gap=469 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:21.397810Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=478 row_words=288 horizon=10837
2026-09-06T21:33:21.447756Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=4 transfers=1404 maximum_identical_destinations=1
2026-09-06T21:33:21.447779Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=4 initial_horizon=4865 selected_horizon=4865 endpoint_lower_bound=4736 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:21.448767Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=4 tile=359 row_words=13 horizon=4865
2026-09-06T21:33:23.539401Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=5 candidates=2766 ordinary_horizon=11460 paired_horizon=10837 use_paired=true
2026-09-06T21:33:23.613654Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=5 transfers=2916 maximum_identical_destinations=1
2026-09-06T21:33:23.613678Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=5 initial_horizon=10837 selected_horizon=10837 endpoint_lower_bound=10368 lower_bound_gap=469 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:23.660590Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=5 tile=478 row_words=288 horizon=10837
2026-09-06T21:33:23.710238Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=7 transfers=1404 maximum_identical_destinations=1
2026-09-06T21:33:23.710263Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=7 initial_horizon=4865 selected_horizon=4865 endpoint_lower_bound=4736 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:23.711261Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=7 tile=359 row_words=13 horizon=4865
2026-09-06T21:33:25.701935Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: compared ordinary and paired exchange schedules phase=8 candidates=2766 ordinary_horizon=12038 paired_horizon=11100 use_paired=true
2026-09-06T21:33:25.775695Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=8 transfers=2916 maximum_identical_destinations=1
2026-09-06T21:33:25.775716Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=8 initial_horizon=11100 selected_horizon=11100 endpoint_lower_bound=10368 lower_bound_gap=732 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:25.818806Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=8 tile=670 row_words=281 horizon=11100
2026-09-06T21:33:25.875192Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=10 transfers=1404 maximum_identical_destinations=1
2026-09-06T21:33:25.875232Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=10 initial_horizon=4865 selected_horizon=4865 endpoint_lower_bound=4736 lower_bound_gap=129 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:33:25.876281Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=10 tile=359 row_words=13 horizon=4865
2026-09-06T21:36:14.199961Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=11 transfers=182216 maximum_identical_destinations=1
2026-09-06T21:36:14.199996Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=11 initial_horizon=13385 selected_horizon=13385 endpoint_lower_bound=6632 lower_bound_gap=6753 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:36:14.418014Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=11 tile=47 row_words=6035 horizon=13385
2026-09-06T21:36:17.579971Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=12 transfers=3840 maximum_identical_destinations=1
2026-09-06T21:36:17.580004Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=12 initial_horizon=31310 selected_horizon=31310 endpoint_lower_bound=30720 lower_bound_gap=590 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-06T21:36:17.642142Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=12 tile=91 row_words=370 horizon=31310
2026-09-06T21:36:17.856639Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: scheduled operator-plan finalist finalist=3 mapped=false analytical_cycles=3436399 analytical_exchange_cycles=1378808 scheduled_exchange_cycles=455952 refined_cycles=2513543
2026-09-06T21:36:18.128164Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: selected physically scheduled operator-plan finalist selected=3 mapped=false
2026-09-06T21:36:18.128189Z  INFO ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=266193 success=true
2026-09-06T21:36:18.128216Z  INFO lowered graph for package construction logical_shards=53021 exchange_phases=14
2026-09-06T21:36:18.130685Z  INFO ipu_codegen.package.phase{phase="compile_runtime"}: package build phase finished phase="compile_runtime" elapsed_ms=2 success=true
2026-09-06T21:36:18.130712Z  INFO ipu_codegen.package.phase{phase="plan_kernels"}: package build phase finished phase="plan_kernels" elapsed_ms=0 success=false
Error: kernel planning failed: kernel Cast { from: F32, to: F16 } has no device implementation

Caused by:
    kernel Cast { from: F32, to: F16 } has no device implementation