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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-6056) [classlib][jit][opt][performance] Optimize heap allocations in String(String, int) constructor for JIT
Date Tue, 13 Jan 2009 19:31:02 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-6056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663434#action_12663434
] 

Aleksey Shipilev commented on HARMONY-6056:
-------------------------------------------

Just wondering: is the boost from HARMONY-6068 equals to this patch, while running on J9?

Where did it come from finally: reduced heap allocation or optimized conversion?

> [classlib][jit][opt][performance] Optimize heap allocations in String(String, int) constructor
for JIT
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-6056
>                 URL: https://issues.apache.org/jira/browse/HARMONY-6056
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>    Affects Versions: 5.0M8
>            Reporter: Kevin Zhou
>            Assignee: Tim Ellison
>             Fix For: 5.0M9
>
>         Attachments: HARMONY-6056.diff, StringBench.jar, StringBench.jar
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> This patch optimizes heap allocations in String(String, int) constructor for JIT performance
improvement.

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