experiment=ch23_device_primitives run_id=20260711T154500Z timestamp_utc=2026-07-11T15:24:56.921475+00:00 hostname=sg-fuxc2-260708-12652-default0-0 measurement_rows=720 work_geometry_rows=12 nsys_cases=9 model_rows=27 correctness=PASS trace_acceptance=12/12 PASS nsys_acceptance=9/9 PASS model_acceptance=27/27 PASS private_nsys_reports=NOT_FOR_PUBLICATION nccl_runtime=2.22.3 nccl_source_commit=178b6b759074597777ce13438efb0e0ba625e429