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  1. Spark
  2. SPARK-17033

GaussianMixture should use treeAggregate to improve performance

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.1.0
    • Component/s: ML, MLlib
    • Labels:
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      Description

      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 is 20% increased performance.

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            • Assignee:
              yanboliang Yanbo Liang
              Reporter:
              yanboliang Yanbo Liang
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