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
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commit 6366b129a3cd9953591983eb321e25a3721ef8c1
Author: artnaseef <[email protected]>
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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