conbench-apache-arrow[bot] commented on PR #50682: URL: https://github.com/apache/arrow/pull/50682#issuecomment-5118211271
Thanks for your patience. Conbench analyzed the 4 benchmarking runs that have been run so far on PR commit 98f1769cebb04c68656b6bcc01c33d77bc4588f9. There were 3 benchmark results indicating a performance regression: - Pull Request Run on `amd64-m5-4xlarge-linux` at [2026-07-29 08:44:20Z](https://conbench.arrow-dev.org/compare/runs/65c6fa91dcba45708347ff9ef4f79a27...59b855a92f1f48d9936f49a54cd81863/) - [`BM_UnpackUint64` (C++) with params=DynamicAligned/47/32, source=cpp-micro, suite=arrow-bpacking-benchmark](https://conbench.arrow-dev.org/compare/benchmarks/06a634205dce79d180001cdfe54d7f3a...06a69bdd9bab76b28000e8d5c265b065) - Pull Request Run on `amd64-c6a-4xlarge-linux` at [2026-07-29 08:26:43Z](https://conbench.arrow-dev.org/compare/runs/cfb1225cd37f489285a948d739342927...4a7d551587f3440e81edd0cacbca1ec5/) - [`ReadLevels_Rle` (C++) with params=MaxLevel:3/NumLevels:8096/BatchSize:1024/LevelRepeatCount:7, source=cpp-micro, suite=parquet-column-reader-benchmark](https://conbench.arrow-dev.org/compare/benchmarks/06a637d858607264800092535d970cfa...06a69b9d0d7d7c818000189d64d304e4) - and 1 more (see the report linked below) The [full Conbench report](https://github.com/apache/arrow/runs/90585866392) has more details. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
