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Posted to commits@harmony.apache.org by "Mikhail Fursov (JIRA)" <ji...@apache.org> on 2007/10/11 06:21:50 UTC
[jira] Created: (HARMONY-4926) [drlvm][jit] Bytecode level edge
profile implementation in Jitrino.OPT compiler
[drlvm][jit] Bytecode level edge profile implementation in Jitrino.OPT compiler
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Key: HARMONY-4926
URL: https://issues.apache.org/jira/browse/HARMONY-4926
Project: Harmony
Issue Type: New Feature
Components: DRLVM
Reporter: Mikhail Fursov
Assignee: Mikhail Fursov
Attachments: bclevel_off.patch
The patch contains bc-level edge profile implementation for Jitrino.OPT compiler.
The BC-level edge profile mode is turned off by default in -server mode, because it shows performance degradation in comparison with IR-based edge profile mapping.
However it can be used to prototype edge profile reusing from any JIT by Jitrino.OPT compiler (for example passing edge profile from Jitrino.JET to Jitrino.OPT)
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[jira] Commented: (HARMONY-4926) [drlvm][jit] Bytecode level edge
profile implementation in Jitrino.OPT compiler
Posted by "Egor Pasko (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535920 ]
Egor Pasko commented on HARMONY-4926:
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wow! interesting!
> [drlvm][jit] Bytecode level edge profile implementation in Jitrino.OPT compiler
> -------------------------------------------------------------------------------
>
> Key: HARMONY-4926
> URL: https://issues.apache.org/jira/browse/HARMONY-4926
> Project: Harmony
> Issue Type: New Feature
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Mikhail Fursov
> Attachments: bclevel_off.patch
>
>
> The patch contains bc-level edge profile implementation for Jitrino.OPT compiler.
> The BC-level edge profile mode is turned off by default in -server mode, because it shows performance degradation in comparison with IR-based edge profile mapping.
> However it can be used to prototype edge profile reusing from any JIT by Jitrino.OPT compiler (for example passing edge profile from Jitrino.JET to Jitrino.OPT)
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[jira] Updated: (HARMONY-4926) [drlvm][jit] Bytecode level edge
profile implementation in Jitrino.OPT compiler
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mikhail Fursov updated HARMONY-4926:
------------------------------------
Attachment: bclevel_off.patch
> [drlvm][jit] Bytecode level edge profile implementation in Jitrino.OPT compiler
> -------------------------------------------------------------------------------
>
> Key: HARMONY-4926
> URL: https://issues.apache.org/jira/browse/HARMONY-4926
> Project: Harmony
> Issue Type: New Feature
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Mikhail Fursov
> Attachments: bclevel_off.patch
>
>
> The patch contains bc-level edge profile implementation for Jitrino.OPT compiler.
> The BC-level edge profile mode is turned off by default in -server mode, because it shows performance degradation in comparison with IR-based edge profile mapping.
> However it can be used to prototype edge profile reusing from any JIT by Jitrino.OPT compiler (for example passing edge profile from Jitrino.JET to Jitrino.OPT)
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[jira] Closed: (HARMONY-4926) [drlvm][jit] Bytecode level edge
profile implementation in Jitrino.OPT compiler
Posted by "Mikhail Fursov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HARMONY-4926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mikhail Fursov closed HARMONY-4926.
-----------------------------------
Resolution: Fixed
Committed revision: r583684
> [drlvm][jit] Bytecode level edge profile implementation in Jitrino.OPT compiler
> -------------------------------------------------------------------------------
>
> Key: HARMONY-4926
> URL: https://issues.apache.org/jira/browse/HARMONY-4926
> Project: Harmony
> Issue Type: New Feature
> Components: DRLVM
> Reporter: Mikhail Fursov
> Assignee: Mikhail Fursov
> Attachments: bclevel_off.patch
>
>
> The patch contains bc-level edge profile implementation for Jitrino.OPT compiler.
> The BC-level edge profile mode is turned off by default in -server mode, because it shows performance degradation in comparison with IR-based edge profile mapping.
> However it can be used to prototype edge profile reusing from any JIT by Jitrino.OPT compiler (for example passing edge profile from Jitrino.JET to Jitrino.OPT)
--
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