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From artnaseef <...@git.apache.org>
Subject [GitHub] commons-lang pull request: Replace the busy wait from AtomicSafeIn...
Date Thu, 19 Feb 2015 01:12:47 GMT
GitHub user artnaseef opened a pull request:

    https://github.com/apache/commons-lang/pull/45

    Replace the busy wait from AtomicSafeInitializer with an alternate method that eliminates
wasted CPU cycles

    This patch eliminates the busy-wait in AtomicSafeInitializer that consumes significant
CPU cycles (confirmed via test program) for each thread waiting for the initialized result
while the initializer runs.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/artnaseef/commons-lang trunk

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/commons-lang/pull/45.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #45
    
----
commit 6366b129a3cd9953591983eb321e25a3721ef8c1
Author: artnaseef <art@artnaseef.com>
Date:   2015-02-19T01:07:53Z

    Replace the busy wait from AtomicSafeInitializer with an alternate method that eliminates
wasted CPU cycles while
    still avoiding the possibility of a deadlock.

----


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