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Commit 738c1074 authored by MechCoder's avatar MechCoder Committed by Xiangrui Meng
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[SPARK-8823] [MLLIB] [PYSPARK] Optimizations for SparseVector dot products 

Follow up for https://github.com/apache/spark/pull/5946

Currently we iterate over indices and values in SparseVector and can be vectorized.

Author: MechCoder <manojkumarsivaraj334@gmail.com>

Closes #7222 from MechCoder/sparse_optim and squashes the following commits:

dcb51d3 [MechCoder] [SPARK-8823] [MLlib] [PySpark] Optimizations for SparseVector dot product
parent 1dbc4a15
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