[jira] Updated: (HARMONY-4710) [drlvm][jit] Live-range splitting register allocator

["Yuri Dolgov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-4710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuri Dolgov updated HARMONY-4710:
---------------------------------

    Attachment: regalloc4_tuned.patch

Some tuning of Live-renge spltiing algorithm have been done, implementation became faster but still it works slower than classic graph colloring

> [drlvm][jit] Live-range splitting register allocator
> ----------------------------------------------------
>
>                 Key: HARMONY-4710
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4710
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Ivashin Sergey
>            Assignee: Mikhail Fursov
>         Attachments: regalloc4.patch, regalloc4_tuned.patch
>
>
> This is an experimental implementation of profile-guided live range splitting register allocator.
> The implementation is based on the paper "Profile-based global live-range splitting"  by Takuya Nakaike, Tatsushi Inagaki, Hideaki Komatsu, and Toshio Nakatani published in ACM SIGPLAN Notices Volume 41, Issue 6 (June 2006)
> 	

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