pitrou commented on pull request #8177:
URL: https://github.com/apache/arrow/pull/8177#issuecomment-692860379
`parquet-level-conversion-benchmark`:
* before:
```
BM_DefinitionLevelsToBitmapRepeatedAllMissing 966 ns 966 ns
714328 bytes_per_second=1.9753G/s
BM_DefinitionLevelsToBitmapRepeatedAllPresent 1626 ns 1626 ns
426358 bytes_per_second=1.173G/s
BM_DefinitionLevelsToBitmapRepeatedMostPresent 1850 ns 1850 ns
367809 bytes_per_second=1055.83M/s
```
* after:
```
BM_DefinitionLevelsToBitmapRepeatedAllMissing 560 ns 560 ns
1239730 bytes_per_second=3.40515G/s
BM_DefinitionLevelsToBitmapRepeatedAllPresent 562 ns 562 ns
1244256 bytes_per_second=3.39684G/s
BM_DefinitionLevelsToBitmapRepeatedMostPresent 562 ns 562 ns
1244691 bytes_per_second=3.39515G/s
```
Impressive!
----------------------------------------------------------------
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]
