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Posted to issues@arrow.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2019/06/24 14:16:00 UTC
[jira] [Updated] (ARROW-5706) [Java] Remove type conversion in
getValidityBufferValueCapacity
[ https://issues.apache.org/jira/browse/ARROW-5706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated ARROW-5706:
----------------------------------
Labels: pull-request-available (was: )
> [Java] Remove type conversion in getValidityBufferValueCapacity
> ---------------------------------------------------------------
>
> Key: ARROW-5706
> URL: https://issues.apache.org/jira/browse/ARROW-5706
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java
> Reporter: Ji Liu
> Assignee: Ji Liu
> Priority: Minor
> Labels: pull-request-available
>
> Now implementation of getValidityBufferValueCapacity is:
> (int) (validityBuffer.capacity() * 8L)
> Seems no need to convert it to Long then convert it back to Int, just replace with:
> validityBuffer.capacity() * 8
> VariableWidthVectorBenchmarks#getValueCapacity shows the performance:
> Before:
> avgt 5 5.731 ± 0.160 ns/op
> After:
> avgt 5 5.124 ± 0.125 ns/op
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