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Posted to issues@spark.apache.org by "Yanbo Liang (JIRA)" <ji...@apache.org> on 2016/08/12 08:46:20 UTC

[jira] [Created] (SPARK-17033) GaussianMixture should use treeAggregate to improve performance

Yanbo Liang created SPARK-17033:
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             Summary: GaussianMixture should use treeAggregate to improve performance
                 Key: SPARK-17033
                 URL: https://issues.apache.org/jira/browse/SPARK-17033
             Project: Spark
          Issue Type: Improvement
            Reporter: Yanbo Liang
            Priority: Minor


{{GaussianMixture}} should use {{treeAggregate}} rather than {{aggregate}} to improve performance and scalability. In my test of dataset with 200 features and 1M instance, I found there are 20% increased performance.



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