DB Tsai created SPARK-4596:
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Summary: Refactorize Normalizer to make code cleaner
Key: SPARK-4596
URL: https://issues.apache.org/jira/browse/SPARK-4596
Project: Spark
Issue Type: Improvement
Components: MLlib
Reporter: DB Tsai
In this refactoring, the performance is slightly increased by removing the
overhead from breeze vector. The bottleneck is still in breeze norm which is
implemented by activeIterator. This inefficiency of breeze norm will be
addressed in next PR. At least, this PR makes the code more consistent in the
codebase.
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