You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@flink.apache.org by "Caizhi Weng (Jira)" <ji...@apache.org> on 2019/11/29 03:07:00 UTC

[jira] [Commented] (FLINK-14989) Improve efficiency by bitwise operation.

    [ https://issues.apache.org/jira/browse/FLINK-14989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16984718#comment-16984718 ] 

Caizhi Weng commented on FLINK-14989:
-------------------------------------

Hi Ziqiang,

Thanks for the JIRA.

Which part are you going to replace multiplication and division with bitwise operators? Have you measured the performance before and after modification and what's the result?

> Improve efficiency by bitwise operation.
> ----------------------------------------
>
>                 Key: FLINK-14989
>                 URL: https://issues.apache.org/jira/browse/FLINK-14989
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Runtime
>            Reporter: Zhang Ziqiang
>            Priority: Minor
>
> To improve performance, I replaced "/" with ">>", and replaced "*" with "<<".



--
This message was sent by Atlassian Jira
(v8.3.4#803005)