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https://issues.apache.org/jira/browse/HIVE-12086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14951788#comment-14951788
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Gopal V commented on HIVE-12086:
--------------------------------
[~prasanth_j]: need to re-run the microbenchmark on jdk8u60
Looking into the other cases on Monday.
> ORC: Buffered float readers to remove vtable thunks
> ---------------------------------------------------
>
> Key: HIVE-12086
> URL: https://issues.apache.org/jira/browse/HIVE-12086
> Project: Hive
> Issue Type: Bug
> Components: File Formats
> Affects Versions: 1.3.0, 2.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Minor
> Attachments: HIVE-12086.1.patch
>
>
> ORC float tree reader spends an inordinate amount of time, doing vtable
> thunks through InputStream interface.
> The actual operation is not faster with this patch, but the interface lookup
> goes down ~4x.
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