GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/4217
[SPARK-5419][Mllib] Fix the logic in Vectors.sqdist
The current implementation in Vectors.sqdist is not efficient because of
allocating temp arrays. There is also a bug in the code `v1.indices.length /
v1.size < 0.5`. This pr fixes the bug and refactors sqdist without allocating
new arrays.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 fix_sqdist
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4217.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 #4217
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commit 314c424b5197a88cf14f6c81a839014b21479831
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-01-27T02:51:51Z
Fix sqdist bug.
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