GitHub user tmyklebu opened a pull request:
https://github.com/apache/spark/pull/442
ALS: Avoid the garbage-creating ctor of DoubleMatrix
`new DoubleMatrix(double[])` creates a garbage `double[]` of the same
length as its argument and immediately throws it away. This pull request
avoids that constructor in the ALS code.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tmyklebu/spark foo2
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/442.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 #442
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commit a09904f4e50ad5f15308c5bf515e4dd49f5ba718
Author: Tor Myklebust <[email protected]>
Date: 2014-04-18T03:55:01Z
Helper function for wrapping Array[Double]'s with DoubleMatrix's.
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