You are viewing a plain text version of this content. The canonical link for it is here.
Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/06/02 17:03:53 UTC
[GitHub] [arrow] pitrou commented on pull request #7143: ARROW-8504: [C++] Add BitRunReader and use it in parquet
pitrou commented on pull request #7143:
URL: https://github.com/apache/arrow/pull/7143#issuecomment-637683877
BitRunReader benchmark here (with gcc 7.5):
```
BitRunReader/-1 10689 ns 10687 ns 196758 bytes_per_second=45.6911M/s
BitRunReader/0 243 ns 243 ns 8648058 bytes_per_second=1.96541G/s
BitRunReader/10 2315 ns 2315 ns 902899 bytes_per_second=210.938M/s
BitRunReader/25 4543 ns 4542 ns 469378 bytes_per_second=107.5M/s
BitRunReader/50 6284 ns 6283 ns 331741 bytes_per_second=77.7125M/s
BitRunReader/60 6453 ns 6452 ns 325743 bytes_per_second=75.6844M/s
BitRunReader/75 4952 ns 4951 ns 423942 bytes_per_second=98.622M/s
BitRunReader/99 449 ns 449 ns 4676786 bytes_per_second=1086.96M/s
BitRunReaderScalar/-1 6132 ns 6132 ns 339553 bytes_per_second=79.6324M/s
BitRunReaderScalar/0 2955 ns 2955 ns 707136 bytes_per_second=165.263M/s
BitRunReaderScalar/10 4080 ns 4079 ns 513884 bytes_per_second=119.696M/s
BitRunReaderScalar/25 5348 ns 5347 ns 380446 bytes_per_second=91.313M/s
BitRunReaderScalar/50 6427 ns 6426 ns 319813 bytes_per_second=75.9863M/s
BitRunReaderScalar/60 6143 ns 6142 ns 340548 bytes_per_second=79.5007M/s
BitRunReaderScalar/75 5037 ns 5036 ns 403359 bytes_per_second=96.9589M/s
BitRunReaderScalar/99 2913 ns 2912 ns 716137 bytes_per_second=167.664M/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:
users@infra.apache.org