2026-09-06T20:55:38.565035Z  INFO retained operator-plan finalist finalist=0 values=29 operations=2 estimated_cycles=3734313 estimated_exchange_cycles=1095920 exchange_row_bytes=80308 peak_standard_bytes=405684 peak_interleaved_bytes=58240 peak_total_bytes=416436 maximum_standard_allocation_bytes=122880 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:38.568086Z  INFO retained operator-plan finalist finalist=1 values=29 operations=2 estimated_cycles=3829073 estimated_exchange_cycles=1135000 exchange_row_bytes=83948 peak_standard_bytes=418284 peak_interleaved_bytes=58240 peak_total_bytes=429036 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:38.571074Z  INFO retained operator-plan finalist finalist=2 values=29 operations=2 estimated_cycles=3865893 estimated_exchange_cycles=1135000 exchange_row_bytes=83948 peak_standard_bytes=418284 peak_interleaved_bytes=58240 peak_total_bytes=429036 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:44.921346Z  INFO retained operator-plan finalist finalist=0 values=29 operations=2 estimated_cycles=3107205 estimated_exchange_cycles=982640 exchange_row_bytes=71812 peak_standard_bytes=404868 peak_interleaved_bytes=60672 peak_total_bytes=435588 maximum_standard_allocation_bytes=122880 active_tile_counts={1472} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:44.924373Z  INFO retained operator-plan finalist finalist=1 values=29 operations=2 estimated_cycles=3201965 estimated_exchange_cycles=1021720 exchange_row_bytes=75452 peak_standard_bytes=417468 peak_interleaved_bytes=60672 peak_total_bytes=448188 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:44.927309Z  INFO retained operator-plan finalist finalist=2 values=29 operations=2 estimated_cycles=3238785 estimated_exchange_cycles=1021720 exchange_row_bytes=75452 peak_standard_bytes=417468 peak_interleaved_bytes=60672 peak_total_bytes=448188 maximum_standard_allocation_bytes=122880 active_tile_counts={192} padding_group_counts={} conversion_sources=[]
2026-09-06T20:55:44.979109Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="lower_mid"}: package build phase finished phase="lower_mid" elapsed_ms=14713 success=true
2026-09-06T20:56:19.518564Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=0 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518644Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=1 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518654Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=2 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518660Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=3 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518665Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=4 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518670Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: rejected infeasible operator-plan finalist finalist=5 error=exchange lowering failed: exchange payload is not a nonempty whole number of words
2026-09-06T20:56:19.518698Z  INFO ipu_codegen.package.build{tile_count=1472 operations=2}:ipu_codegen.package.phase{phase="select_finalist"}: package build phase finished phase="select_finalist" elapsed_ms=34539 success=false
Error: exchange lowering failed: exchange payload is not a nonempty whole number of words

Caused by:
    exchange payload is not a nonempty whole number of words