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https://issues.apache.org/jira/browse/HAMA-83?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12647603#action_12647603
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Hudson commented on HAMA-83:
----------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12393927/HAMA-83.patch
against trunk revision 713666.
@author +1. The patch does not contain any @author tags.
tests included +1. The patch appears to include 9 new or modified tests.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new javac compiler
warnings.
release audit +1. The applied patch does not generate any new release
audit warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests -1. The patch failed core unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hama-Patch/113/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hama-Patch/113/artifact/trunk/build/reports/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hama-Patch/113/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hama-Patch/113/console
This message is automatically generated.
> 2D sqaure blocking for dense matrix multiplication
> --------------------------------------------------
>
> Key: HAMA-83
> URL: https://issues.apache.org/jira/browse/HAMA-83
> Project: Hama
> Issue Type: New Feature
> Components: implementation
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
> Attachments: HAMA-83.patch
>
>
> The matrix multiplication of the original arrays can be transformed into
> matrix multiplication of blocks. For example,
> C_block(1,1)=A_block(1,1)*B_block(1,1) + A_block(1,2)*B_block(2,1)
> emit <blockKey, subMatrix> pairs instead of current <Int, Vector> input
> formatter, and have a reducer sum up the sub matrices as describe below.
> {code}
> Mapper<BlockKey, subMatrix> {
> sub-matrix multiplication of block
> }
> Reducer<BlockKey, subMatrix> {
> summation all sub-matrices
> }
> {code}
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