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Sean Owen commented on SPARK-5186: ---------------------------------- Agree, this could easily be specialized for much better performance. The indices are sorted anyway, so should just be a matter of comparing size, and the two arrays. > Vector.equals and Vector.hashCode are very inefficient > ------------------------------------------------------- > > Key: SPARK-5186 > URL: https://issues.apache.org/jira/browse/SPARK-5186 > Project: Spark > Issue Type: Bug > Components: MLlib > Affects Versions: 1.2.0 > Reporter: Derrick Burns > Original Estimate: 0.25h > Remaining Estimate: 0.25h > > The implementation of Vector.equals and Vector.hashCode are correct but slow > for SparseVectors that are truly sparse. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org