[
https://issues.apache.org/jira/browse/PARQUET-1786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Antoine Pitrou updated PARQUET-1786:
------------------------------------
Component/s: parquet-cpp
> [C++] Use simd to improve BYTE_STREAM_SPLIT encoding performance
> ----------------------------------------------------------------
>
> Key: PARQUET-1786
> URL: https://issues.apache.org/jira/browse/PARQUET-1786
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-cpp
> Reporter: Martin Radev
> Assignee: Martin Radev
> Priority: Minor
> Labels: pull-request-available
> Fix For: cpp-1.6.0
>
> Time Spent: 7h 10m
> Remaining Estimate: 0h
>
> BYTE_STREAM_SPLIT essentially does a scatter/gather operation in the
> encode/decoder paths. Unfortunately, it is not as fast as memcpy when the
> data is cached. That can be improved through using simd intrinsics.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
