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From "Aleksey Shipilev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4806) [drlvm][jni] Experiment: rewriting entire JNI transition stub on encoder
Date Mon, 17 Sep 2007 13:01:56 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4806?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksey Shipilev updated HARMONY-4806:
--------------------------------------

    Attachment: jni-work.patch

Experimental patch is working correctly only with one hand-crafted native method.

It shows:

$ ../../Builds/shade.0903.jni.clean/bin/java -cp . -Xmx128m -Xms128m nalog.nalog
iteration: 0 millis:8763
iteration: 1 millis:8722
iteration: 2 millis:8833

$ ../../Builds/shade.0903.jni.encoder/bin/java -cp . -Xmx128m -Xms128m nalog.nalog
iteration: 0 millis:3204
iteration: 1 millis:3212
iteration: 2 millis:3231

Up to 3x boost.

> [drlvm][jni] Experiment: rewriting entire JNI transition stub on encoder
> ------------------------------------------------------------------------
>
>                 Key: HARMONY-4806
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4806
>             Project: Harmony
>          Issue Type: Improvement
>         Environment: Windows/ia32
>            Reporter: Aleksey Shipilev
>         Attachments: jni-work.patch
>
>
> Experimental patch for rewriting JNI transition on the encoder

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