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https://issues.apache.org/jira/browse/HAMA-129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12656956#action_12656956
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Edward J. Yoon commented on HAMA-129:
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5000 * 5000, 4*4 = 16 blocks
I'll trace it. But, I guess it's a really null.
> Improving speed of matrix multiplication
> ----------------------------------------
>
> Key: HAMA-129
> URL: https://issues.apache.org/jira/browse/HAMA-129
> Project: Hama
> Issue Type: Improvement
> Components: implementation
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
> Attachments: HAMA-129.patch, HAMA-129_v01.patch, HAMA-129_v02.patch
>
>
> We use a blockinputformat (row based partitioning). but it causes
> "java.lang.OutOfMemoryError: Java heap space" when size is big.
> I'll write the formulas and partition them as PIEstimator.
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