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https://issues.apache.org/jira/browse/MAHOUT-1737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14598520#comment-14598520
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ASF GitHub Bot commented on MAHOUT-1737:
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GitHub user avati opened a pull request:
https://github.com/apache/mahout/pull/142
MAHOUT-1737: implement AewUnaryFunc on H2O
Signed-off-by: Anand Avati <[email protected]>
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/avati/mahout MAHOUT-1737
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/mahout/pull/142.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 #142
----
commit 2999d42e2db89511fe3481f4845f85e2785acd39
Author: Anand Avati <[email protected]>
Date: 2015-06-23T22:40:45Z
MAHOUT-1737: implement AewUnaryFunc on H2O
Signed-off-by: Anand Avati <[email protected]>
----
> H20 implementation of AewUnaryFunc physical operator
> ----------------------------------------------------
>
> Key: MAHOUT-1737
> URL: https://issues.apache.org/jira/browse/MAHOUT-1737
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.10.1
> Reporter: Dmitriy Lyubimov
> Assignee: Anand Avati
> Fix For: 0.10.2
>
>
> this physical operator allows to optimize elementwise expressions like
> `dlog(X * X) + 1` where elementwise function compositions are detected and
> fused into one physical operator by logical optimizer.
> This is an essential support.
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