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Posted to issues@tez.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/07/14 19:16:20 UTC

[jira] [Updated] (TEZ-3349) Tez: PipelinedSorter - remove interface calls from the inner loop

     [ https://issues.apache.org/jira/browse/TEZ-3349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V updated TEZ-3349:
-------------------------
    Attachment: movabs-check.png

> Tez: PipelinedSorter - remove interface calls from the inner loop
> -----------------------------------------------------------------
>
>                 Key: TEZ-3349
>                 URL: https://issues.apache.org/jira/browse/TEZ-3349
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Gopal V
>         Attachments: movabs-check.png
>
>
> IndexedSortable is responsible for a huge degradation in sort performance in PipelinedSorter.
> With the TezRawComparator in place, the interface dispatch within indexed sortable is significantly affecting the speed of the sort impl.
> !movabs-check.png!



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