2026-09-07T16:27:36.559471Z  INFO retained operator-plan finalist finalist=0 values=8 operations=5 estimated_cycles=151156 estimated_exchange_cycles=69400 exchange_row_bytes=14960 peak_standard_bytes=211568 peak_interleaved_bytes=47680 peak_total_bytes=258672 maximum_standard_allocation_bytes=196608 active_tile_counts={1345, 1458} padding_group_counts={} conversion_sources=[Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T16:27:36.568456Z  INFO retained operator-plan finalist finalist=1 values=8 operations=5 estimated_cycles=152420 estimated_exchange_cycles=67000 exchange_row_bytes=14420 peak_standard_bytes=211028 peak_interleaved_bytes=52800 peak_total_bytes=263252 maximum_standard_allocation_bytes=196608 active_tile_counts={1345, 1472} padding_group_counts={} conversion_sources=[Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T16:27:36.576753Z  INFO retained operator-plan finalist finalist=2 values=8 operations=5 estimated_cycles=153370 estimated_exchange_cycles=70200 exchange_row_bytes=15140 peak_standard_bytes=211748 peak_interleaved_bytes=51264 peak_total_bytes=262436 maximum_standard_allocation_bytes=196608 active_tile_counts={1345, 1440} padding_group_counts={} conversion_sources=[Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T16:27:36.587441Z  INFO retained operator-plan finalist finalist=3 values=8 operations=5 estimated_cycles=154724 estimated_exchange_cycles=71320 exchange_row_bytes=15392 peak_standard_bytes=212000 peak_interleaved_bytes=51264 peak_total_bytes=262688 maximum_standard_allocation_bytes=196608 active_tile_counts={1345, 1440} padding_group_counts={} conversion_sources=[Some(OperationId(2)), Some(OperationId(2))]
2026-09-07T16:27:36.698846Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=12602 success=true
2026-09-07T16:27:39.445762Z  INFO screened tile mappings by exchange resource load candidates=40 baseline_cycles=25632 candidate_cycles=25632 baseline_pressure=22750 candidate_pressure=22750
2026-09-07T16:27:39.450092Z  INFO modelled expanded operator plan finalist=0 modelled_cycles=150028 estimated_cycles=561500 estimated_exchange_cycles=438904
2026-09-07T16:27:39.685332Z  INFO screened tile mappings by exchange resource load candidates=25 baseline_cycles=24448 candidate_cycles=24448 baseline_pressure=21508 candidate_pressure=21508
2026-09-07T16:27:39.690998Z  INFO modelled expanded operator plan finalist=1 modelled_cycles=154184 estimated_cycles=527960 estimated_exchange_cycles=400024
2026-09-07T16:27:39.828183Z  INFO screened tile mappings by exchange resource load candidates=86 baseline_cycles=25792 candidate_cycles=25792 baseline_pressure=23750 candidate_pressure=23750
2026-09-07T16:27:39.834918Z  INFO modelled expanded operator plan finalist=2 modelled_cycles=147478 estimated_cycles=669182 estimated_exchange_cycles=549296
2026-09-07T16:27:39.942464Z  INFO screened tile mappings by exchange resource load candidates=76 baseline_cycles=25936 candidate_cycles=25936 baseline_pressure=23481 candidate_pressure=23481
2026-09-07T16:27:39.947736Z  INFO modelled expanded operator plan finalist=3 modelled_cycles=149058 estimated_cycles=675586 estimated_exchange_cycles=554264
2026-09-07T16:27:40.125641Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=0 transfers=5380 maximum_identical_destinations=1
2026-09-07T16:27:40.125705Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=0 initial_horizon=7141 selected_horizon=4841 endpoint_lower_bound=4672 lower_bound_gap=169 selected_kind="matching-waves" neighborhood_improvements=0
2026-09-07T16:27:40.131590Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=0 tile=337 row_words=30 horizon=4841
2026-09-07T16:27:41.464410Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: prepared large physical exchange phase phase=2 transfers=24760 maximum_identical_destinations=1
2026-09-07T16:27:41.464517Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: optimized physical exchange schedule phase=2 initial_horizon=5941 selected_horizon=5941 endpoint_lower_bound=4560 lower_bound_gap=1381 selected_kind="full-duplex" neighborhood_improvements=0
2026-09-07T16:27:41.483726Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:ipu_codegen.package.phase{phase="select_finalist"}: finished large physical exchange phase phase=2 tile=718 row_words=132 horizon=5941