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From "Tim Ellison (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6456) [performance] improve performance in Harmony network and IO classes
Date Tue, 15 Jun 2010 11:13:24 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12878932#action_12878932
] 

Tim Ellison commented on HARMONY-6456:
--------------------------------------

Jimmy, is this issue just a reminder for ideas or do you have some work to share?

> [performance] improve performance in Harmony network and IO classes
> -------------------------------------------------------------------
>
>                 Key: HARMONY-6456
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6456
>             Project: Harmony
>          Issue Type: Task
>         Environment: all
>            Reporter: Jimmy, Jing Lv
>            Assignee: Jimmy, Jing Lv
>
> The current performance of networking/io is a bit slow in Harmony implementation. Much
work to be done to improve as:
> 1. use high performance native API like readv/writev instead to fill the arrays of data
> 2. simplify the native call stack to save time;
> 3. reduce unnecessary array copy in the data read/write 
> 4. remove unnecessary synchronizations
> 5. remove redundant varieties
> etc. 

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