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Date: Wed, 4 Jul 2007 03:46:04 -0700 (PDT)
From: "Mikhail Fursov (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Updated: (HARMONY-3076) [drlvm][jit] Loop unrolling
 optimization implementation in Jitirno.OPT
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     [ https://issues.apache.org/jira/browse/HARMONY-3076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Fursov updated HARMONY-3076:
------------------------------------

    Attachment: unroll.diff

unroll.diff: updated version of loop unrolling optimization

> [drlvm][jit] Loop unrolling optimization implementation in Jitirno.OPT
> ----------------------------------------------------------------------
>
>                 Key: HARMONY-3076
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3076
>             Project: Harmony
>          Issue Type: New Feature
>          Components: DRLVM
>            Reporter: Mikhail Fursov
>            Assignee: Alexey Varlamov
>         Attachments: unroll.diff, unroll_1.zip
>
>
> Here is an implementation of loop unrolling optimization.
> The patch enables it in all modes with Jitrino.OPT we have.
> There are some TODOs, described in loop_unroll.cpp files, read it if you are interested to write minitests to see performance improvements.
> My minitests shows that we have ~50% improvement on classic BubbleSort application and ~15% for Arrays.sort when dynamic edge profile is used.

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