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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5725) [drlvm][jit][opt][performance] Implement org.apache.harmony.misc.accessors.ObjectAccessor on magics
Date Mon, 14 Apr 2008 20:31:05 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Shipilev updated HARMONY-5725:
--------------------------------------

    Attachment: vm-accessors-magic-draft.patch

vm-accessors-magic-draft.patch

Draft in HLOAPIMagics. Need to know how to translate jFieldID (jlong) to Field_Handle and
FieldDesc.

> [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
>         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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