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From "Chunrong Lai (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5713) [drlvm][performance] Implementation of System.identityHashCode() on magics
Date Mon, 01 Dec 2008 07:06:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12651919#action_12651919

Chunrong Lai commented on HARMONY-5713:

hi, Aleksey and wenlong:
     I observed another Dacapo failure after applying the patch.
     To reproduce the failure one need to run "java -Xem:server -Xms512M -Xmx512M -jar dacapo-2006-10-MR2.jar
-s large -n 5 bloat".
     It is also noted that the error will not appear if I use "-s default" instead of "-s
large" or use "-n 4" instead of "-n 5". So I think it is a dynamic compilation related issue,
which has not been noticed in the patch development. Do you have feedbacks about this?

     By the way, to pass Jython, one only needs to add one line "if(object == null) return
0;" at the beginning of public static int get_hashcode(Object object) in GCHelper.java.

> [drlvm][performance] Implementation of System.identityHashCode() on magics
> --------------------------------------------------------------------------
>                 Key: HARMONY-5713
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5713
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>            Reporter: Aleksey Shipilev
>            Assignee: Xiao-Feng Li
>         Attachments: vm-identityHashCode-3.patch, vm-identityHashCode-4.patch, vm-identityHashCode-5.patch.txt
> This is the working sub-task for implementation of System.identityHashCode() on magics,
inspired by HARMONY-4551.

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