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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2008/12/02 02:33:44 UTC
[jira] Created: (HAMA-119) block-matrix addition
block-matrix addition
---------------------
Key: HAMA-119
URL: https://issues.apache.org/jira/browse/HAMA-119
Project: Hama
Issue Type: Improvement
Components: mapred
Reporter: Edward J. Yoon
Fix For: 0.1.0
||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 ||
||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 ||
add too slow. write a formula for the general case of block matrix addition.
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[jira] Commented: (HAMA-119) block-matrix addition
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665033#action_12665033 ]
Edward J. Yoon commented on HAMA-119:
-------------------------------------
Seems not slow. So, I think we don't need to collect blocks.
We may want to just open two scanner at the inputformat instead of using (table.getRow) each map(). Then, we can reduce HBase requests.
> block-matrix addition
> ---------------------
>
> Key: HAMA-119
> URL: https://issues.apache.org/jira/browse/HAMA-119
> Project: Hama
> Issue Type: Improvement
> Components: mapred
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
>
> ||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 ||
> ||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 ||
> add too slow. write a formula for the general case of block matrix addition.
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[jira] Resolved: (HAMA-119) block-matrix addition
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon resolved HAMA-119.
---------------------------------
Resolution: Won't Fix
It won't fix.
> block-matrix addition
> ---------------------
>
> Key: HAMA-119
> URL: https://issues.apache.org/jira/browse/HAMA-119
> Project: Hama
> Issue Type: Improvement
> Components: mapred
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
>
> ||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 ||
> ||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 ||
> add too slow. write a formula for the general case of block matrix addition.
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[jira] Assigned: (HAMA-119) block-matrix addition
Posted by "Edward J. Yoon (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HAMA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Edward J. Yoon reassigned HAMA-119:
-----------------------------------
Assignee: Edward J. Yoon
> block-matrix addition
> ---------------------
>
> Key: HAMA-119
> URL: https://issues.apache.org/jira/browse/HAMA-119
> Project: Hama
> Issue Type: Improvement
> Components: mapred
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
>
> ||Trunk 722320 || Add || 2 node ||3,000 ||3,000 ||4||2||298 seconds || 1,053,503,366 || 1,575,781,107 ||
> ||Trunk 722320 || Mult ||2 node ||3,000 ||3,000 ||4||2||124 seconds || 590,672,392 || 872,228,808 ||
> add too slow. write a formula for the general case of block matrix addition.
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