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Sebastian Schelter resolved MAHOUT-1580. ---------------------------------------- Resolution: Fixed > Optimize getNumNonZeroElements > ------------------------------ > > Key: MAHOUT-1580 > URL: https://issues.apache.org/jira/browse/MAHOUT-1580 > Project: Mahout > Issue Type: Improvement > Components: Math > Reporter: Sebastian Schelter > Assignee: Sebastian Schelter > Fix For: 1.0 > > > getNumNonZeroElements in AbstractVector uses the nonZeroes -iterator > internally which adds a lot of overhead for certain types of vectors, e.g. > the dense ones. We should add custom implementations here. -- This message was sent by Atlassian JIRA (v6.2#6252)