Ted-Jiang commented on PR #2393: URL: https://github.com/apache/arrow-rs/pull/2393#issuecomment-1212855743
After [98c9ab3](https://github.com/apache/arrow-rs/pull/2393/commits/98c9ab375f20f934f3088c87df0829a75d21ffce) there is no performance downgrade and avoid allocate large buffer when skip large amount values. ``` arrow_array_reader/Int32Array/binary packed skip, mandatory, no NULLs time: [38.054 us 38.268 us 38.506 us] change: [-4.6824% -3.3258% -2.0893%] (p = 0.00 < 0.05) Performance has improved. Found 8 outliers among 100 measurements (8.00%) 4 (4.00%) low mild 3 (3.00%) high mild 1 (1.00%) high severe arrow_array_reader/Int32Array/binary packed skip, optional, no NULLs time: [47.428 us 47.588 us 47.769 us] change: [-2.8683% -1.4678% +0.0342%] (p = 0.05 < 0.05) Change within noise threshold. Found 15 outliers among 100 measurements (15.00%) 3 (3.00%) low mild 6 (6.00%) high mild 6 (6.00%) high severe ``` -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org