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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5725) [drlvm][jit][opt][performance] Implement org.apache.harmony.misc.accessors.ObjectAccessor on magics
Date Tue, 15 Apr 2008 10:35:04 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589018#action_12589018
] 

Alexey Varlamov commented on HARMONY-5725:
------------------------------------------

jFieldID and Field_Handle  are 1:1 correspodence, and you can get FieldDesc via CompilationInterface::getFieldDesc().

> [drlvm][jit][opt][performance] Implement org.apache.harmony.misc.accessors.ObjectAccessor
on magics
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-5725
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5725
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Aleksey Shipilev
>            Assignee: Mikhail Fursov
>         Attachments: vm-accessors-magic-draft.patch
>
>
> Classlib has the API for quick accessing to fields. Since serialization performance will
depend on such the accessors, the idea is to implement such the accessors on magics. Slowpath
is already in classlib, uses JNI to access fields, so implementation on magics will eliminate
JNI transition overhead and native-side computations.

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