GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/3643
Replace breezeSquaredDistance
This PR replaces slow breezeSquaredDistance. A simple calculation involving
40000 vectors of 20000 dims shows:
* breezeSquaredDistance: ~12 secs
* This PR: ~10.5 secs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 faster_squareddistance
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3643.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 #3643
----
commit 13669dbbf163bd1940d380388f94ad60237b10c0
Author: Liang-Chi Hsieh <vii...@gmail.com>
Date: 2014-12-09T10:13:51Z
Replace breezeSquaredDistance.
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
