GitHub user catap opened a pull request:
https://github.com/apache/spark/pull/14336
Don't run over all numFeatures if debug log disabled
## What changes were proposed in this pull request?
Very small changes that removes a lag on very big features vectors, when
the machine prepare strings for debug log that may be disabled.
## How was this patch tested?
It's trivial changes.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/catap/spark randomforest_debuglog_performance
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14336.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 #14336
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commit e48a9b320216a4d73266cfaaf3bd3230263feb41
Author: Kirill A. Korinsky <[email protected]>
Date: 2016-07-24T22:11:59Z
Don't run over all numFeatures if debug log disabled
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