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https://issues.apache.org/jira/browse/MAHOUT-1151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13597182#comment-13597182
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Hudson commented on MAHOUT-1151:
--------------------------------
Integrated in Mahout-Quality #1889 (See
[https://builds.apache.org/job/Mahout-Quality/1889/])
MAHOUT-1151 more optimizations (Revision 1454389)
Result = SUCCESS
ssc : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1454389
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/RecommendedItemsWritable.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/CappableRecommendedItem.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/MutableRecommendedItem.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/RecommenderJob.java
*
/mahout/trunk/core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/TopItemQueue.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/cf/taste/hadoop/als/TopItemQueueTest.java
> Object reuse in distributed ALS
> -------------------------------
>
> Key: MAHOUT-1151
> URL: https://issues.apache.org/jira/browse/MAHOUT-1151
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Affects Versions: 0.8
> Reporter: Sebastian Schelter
> Assignee: Sebastian Schelter
> Attachments: MAHOUT-1151-2.patch, MAHOUT-1151.patch
>
>
> In order to improve the performance our distributed ALS code, we should try
> to avoid object instantiation as much as possible, especially when it is done
> per input tuple.
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