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[SPARK-7401] [MLLIB] [PYSPARK] Vectorize dot product and sq_dist between SparseVector and DenseVector Currently we iterate over indices which can be vectorized. Author: MechCoder <manojkumarsivaraj334@gmail.com> Closes #5946 from MechCoder/spark-7203 and squashes the following commits: 034d086 [MechCoder] Vectorize dot calculation for numpy arrays for ndim=2 bce2b07 [MechCoder] fix doctest fcad0a3 [MechCoder] Remove type checks for list, pyarray etc 0ee5dd4 [MechCoder] Add tests and other isinstance changes e5f1de0 [MechCoder] [SPARK-7401] Vectorize dot product and sq_dist
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