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From "Natalya Golovleva (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-3729) [drlvm][jit] Escape analysis improvement
Date Wed, 25 Apr 2007 14:07:15 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Natalya Golovleva updated HARMONY-3729:
---------------------------------------

    Attachment: escape.3.patch

Escape analysis optimization pass is included in 'opt' and 'server' configuration files.
It works on ia32 and em64t platforms.

Available options to manage escape analysis are:

  escape.max_level[=0]                                      - max level callee method analysis
  escape.do_sync_removal[={on,OFF}]          - do synchronization removal optimization
  escape.do_sync_removal_vc[={ON,off}]      - do synchronization removal optimization
                                                                                  for virtual
call escaped operands
  escape.do_sync_removal_sm[={ON,off}]   - do synchronization removal optimization
                                                                                 for synchronized
methods
  escape.do_scalar_repl[={ON,off}]                - do scalar replacement optimization for
                                                                                 local and
escaped objects
  escape.do_esc_scalar_repl[={ON,off}]       - scalar replacement for escaped objects
  escape.do_scalar_repl_only_final_fields[={on,OFF}] 
  escape.scalarize_final_fields[={on,OFF}]   - scalarize final field usage when
                                                                                  escaped
object wasn't optimized
  escape.exec_count_mult[=0]                         - entry node execCount multiplier



> [drlvm][jit] Escape analysis improvement
> ----------------------------------------
>
>                 Key: HARMONY-3729
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3729
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Natalya Golovleva
>            Priority: Minor
>         Attachments: escape.1.patch, escape.3.patch
>
>
> The patch contains:
>   - escape analysis reviewing,
>   - adding escape analysis to opt pass,
>   - enabling synchronization removal optimization,
>   - fixing known escape analysis failures.

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