GitHub user rezazadeh opened a pull request:
https://github.com/apache/spark/pull/336
Dimension Independent Similarity Computation
Provide Implementation of DIMSUM for squaring a Tall and Skinny Matrix as
described in: http://arxiv.org/abs/1304.1467
Also, refactor Matrix squaring into a MatrixAlgebra object.
Scaling this up now until it breaks. This PR is currently only a request
for comments. Will update with scaling results once ready.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rezazadeh/spark dimsum
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/336.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 #336
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commit 2d321cae04e206b22943878f0f74d2057328f1ee
Author: Reza Zadeh <[email protected]>
Date: 2014-03-25T05:00:13Z
new file
commit 342726bcec1c63842c50d7972cefee2b3116360d
Author: Reza Zadeh <[email protected]>
Date: 2014-03-28T22:12:56Z
test for dimsum
commit 5932a651c72bb7456531dedc2469d4f5f3b75b5c
Author: Reza Zadeh <[email protected]>
Date: 2014-03-28T22:34:07Z
Documentation and formatting
commit f0ad4ea5291c1c22bca7a062b45a3793f66ba700
Author: Reza Zadeh <[email protected]>
Date: 2014-03-28T22:40:03Z
formatting
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