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| author | Tor Myklebust <tmyklebu@gmail.com> | 2014-04-19 15:10:18 -0700 |
|---|---|---|
| committer | Matei Zaharia <matei@databricks.com> | 2014-04-19 15:10:18 -0700 |
| commit | 25fc31884b0382b2d43c55e1f55e305a73dfae91 (patch) | |
| tree | 18874bdf4e26fb995325e522938bfc890361c494 /repl/src | |
| parent | 10d04213ffda9c64b7e39c7debc433be8ea343c7 (diff) | |
| download | spark-25fc31884b0382b2d43c55e1f55e305a73dfae91.tar.gz spark-25fc31884b0382b2d43c55e1f55e305a73dfae91.tar.bz2 spark-25fc31884b0382b2d43c55e1f55e305a73dfae91.zip | |
[SPARK-1535] 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.
Author: Tor Myklebust <tmyklebu@gmail.com>
Closes #442 from tmyklebu/foo2 and squashes the following commits:
2784fc5 [Tor Myklebust] Mention that this is probably fixed as of jblas 1.2.4; repunctuate.
a09904f [Tor Myklebust] Helper function for wrapping Array[Double]'s with DoubleMatrix's.
Diffstat (limited to 'repl/src')
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