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Posted to commits@harmony.apache.org by "Gregory Shimansky (JIRA)" <ji...@apache.org> on 2006/11/28 16:31:28 UTC

[jira] Updated: (HARMONY-2160) [drlvm][jit] BackBranchPolling can be omitted for final loops

     [ http://issues.apache.org/jira/browse/HARMONY-2160?page=all ]

Gregory Shimansky updated HARMONY-2160:
---------------------------------------

    Summary: [drlvm][jit] BackBranchPolling can be omitted for final loops  (was: BackBranchPolling can be omitted for final loops)

> [drlvm][jit] BackBranchPolling can be omitted for final loops
> -------------------------------------------------------------
>
>                 Key: HARMONY-2160
>                 URL: http://issues.apache.org/jira/browse/HARMONY-2160
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: George Timoshenko
>            Priority: Minor
>
> BackBranchPolling allows to interrupt threads that are executing an infinite or very long loops. (For example for garbage collection)
> But sometimes this is reduntant, if a loop is finite and it is not very large.
> For example: Jitrino.OPT can optimize System.arraycopy(...) call into manually generated loop.
> It is obvious that the loop is finite. (it copies finite number of elements from one array into another one)

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