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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5398) Enable array copy optimization for generational mode in JIT
Date Thu, 17 Jan 2008 12:41:34 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12559913#action_12559913

Aleksey Shipilev commented on HARMONY-5398:

Chen, I had filed HARMONY-5399 as proposed solver for the issue. Please let me know if my
patch covers your problem.

> Enable array copy optimization for generational mode in JIT
> -----------------------------------------------------------
>                 Key: HARMONY-5398
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5398
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>         Environment: All supported environment
>            Reporter: Chen Yang
> Current JIT cannot apply the array copy optimization as in non-generational mode, but
relies on current array_copy implementation in harmonyvm, which results in poor performance.
In order to achieve better performance, inlined array copy optimization in JIT is preferred,
at least for those non reference array. 

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