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  1. Spark
  2. SPARK-9224

OnlineLDAOptimizer Performance Improvements

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 1.5.0
    • MLlib
    • None

    Description

      OnlineLDAOptimizer's current implementation can be improved by using in-place updating (instead of reassignment to vars), reducing number of transpositions, and an outer product (instead of looping) to collect stats.

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              fliang Feynman Liang
              fliang Feynman Liang
              Joseph K. Bradley Joseph K. Bradley
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