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Posted to dev@parquet.apache.org by "Daniel Lemire (JIRA)" <ji...@apache.org> on 2016/08/26 23:32:20 UTC

[jira] [Commented] (PARQUET-688) SIMD-accelerated dictionary coding

    [ https://issues.apache.org/jira/browse/PARQUET-688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15440195#comment-15440195 ] 

Daniel Lemire commented on PARQUET-688:
---------------------------------------

Parquet could benefit from SIMD accelerated processing on recent x64 hardware.

Further reading :

https://github.com/lemire/dictionary

http://lemire.me/blog/2016/08/25/faster-dictionary-decoding-with-simd-instructions/



> SIMD-accelerated dictionary coding
> ----------------------------------
>
>                 Key: PARQUET-688
>                 URL: https://issues.apache.org/jira/browse/PARQUET-688
>             Project: Parquet
>          Issue Type: Improvement
>          Components: parquet-cpp
>            Reporter: Daniel Lemire
>            Priority: Minor
>




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