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Yanbo Liang commented on SPARK-11560: ------------------------------------- [~yuhaoyan] I think the first step is to use BLAS Level 3 matrix-matrix multiplications to accelerate the pairwise distance computation. After that we can discuss the improvements specified to sparse data. I'm open to hear others' thoughts. > Optimize KMeans implementation > ------------------------------ > > Key: SPARK-11560 > URL: https://issues.apache.org/jira/browse/SPARK-11560 > Project: Spark > Issue Type: Improvement > Components: MLlib > Affects Versions: 1.6.0 > Reporter: Xiangrui Meng > Assignee: Yanbo Liang > > After we dropped `runs`, we can simplify and optimize the k-means > implementation. -- 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