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https://issues.apache.org/jira/browse/ORC-175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126936#comment-16126936
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iamhumanbeing commented on ORC-175:
-----------------------------------

[~gopalv]:got orc-benchmark data for ISA-L 
ColumnProjectionBenchmark.orc   isal       taxi  avgt    3   944503.179 卤  
43834.261  us/op
ColumnProjectionBenchmark.orc   zlib       taxi  avgt    3  1029682.551 卤  
26364.565  us/op

FullReadBenchmark.orc      isal       taxi  avgt    3     14192224.371 卤       
180230.436  us/op
FullReadBenchmark.orc      zlib       taxi  avgt    3     16234465.657 卤       
415264.953  us/op


seems 8%-14% speedups

> ZLIB performance
> ----------------
>
>                 Key: ORC-175
>                 URL: https://issues.apache.org/jira/browse/ORC-175
>             Project: ORC
>          Issue Type: Improvement
>          Components: Java
>            Reporter: iamhumanbeing
>            Assignee: iamhumanbeing
>              Labels: performance
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>




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