cyb70289 commented on pull request #7300: URL: https://github.com/apache/arrow/pull/7300#issuecomment-635773456
Tested on AMD Zen1 with gcc-7.5 before (CopyBitmapWithOffsetBoth is added by this patch) ``` CopyBitmapWithoutOffset/8192 190 ns 190 ns 3678223 bytes_per_second=40.0804G/s CopyBitmapWithOffset/8192 8548 ns 8548 ns 81846 bytes_per_second=914.007M/s CopyBitmapWithOffsetBoth/8192 95447 ns 95445 ns 7334 bytes_per_second=81.8531M/s ``` after ``` CopyBitmapWithoutOffset/8192 191 ns 191 ns 3670699 bytes_per_second=39.9939G/s CopyBitmapWithOffset/8192 1151 ns 1151 ns 600632 bytes_per_second=6.62768G/s CopyBitmapWithOffsetBoth/8192 2018 ns 2018 ns 346761 bytes_per_second=3.78089G/s ``` ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected]
