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https://issues.apache.org/jira/browse/PARQUET-1786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17066085#comment-17066085
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Wes McKinney commented on PARQUET-1786:
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Please leave resolved issues in "Resolved" state otherwise they will not show
up in changelogs
> [C++] Use simd to improve BYTE_STREAM_SPLIT decoding 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.
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