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Sebastian Schelter commented on MAHOUT-881: ------------------------------------------- You should also include org.apache.mahout.cf.taste.common.FixedSizePriorityQueue in your optimizations if possible, as its implementing the same functionality. > Refactor TopItems to use Lucene's PriorityQueue and remove excessive sorting > ---------------------------------------------------------------------------- > > Key: MAHOUT-881 > URL: https://issues.apache.org/jira/browse/MAHOUT-881 > Project: Mahout > Issue Type: Improvement > Affects Versions: 0.6 > Reporter: Grant Ingersoll > Assignee: Grant Ingersoll > Priority: Minor > Attachments: MAHOUT-881.patch, MAHOUT-881.patch > > > TopItems.getTop*() all do a fair number of excessive operations that can be > replaced by switching to using Lucene's PriorityQueue implementation, which > is more efficient and faster than Java's built in PQ implementation. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira