GitHub user robertwb opened a pull request:
https://github.com/apache/incubator-beam/pull/706
Simple DoFnRunner optimizatons.
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You can merge this pull request into a Git repository by running:
$ git pull https://github.com/robertwb/incubator-beam no-logging
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/incubator-beam/pull/706.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 #706
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commit f9da1cde8d4f7828f0d39d04e84e4bdda20093e2
Author: Robert Bradshaw <rober...@google.com>
Date: 2016-07-21T19:08:33Z
Remove expensive per-element-step logging context.
This is 3-4% of the total runtime for something that is rarely
used. We don't do this in Java either.
commit c415c229e22012574be56c53e2df2c46d5c37e08
Author: Robert Bradshaw <rober...@google.com>
Date: 2016-07-21T19:11:03Z
Cache dofn.proces method.
Saves another couple percent.
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