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| author | MechCoder <manojkumarsivaraj334@gmail.com> | 2015-07-03 15:49:32 -0700 |
|---|---|---|
| committer | Davies Liu <davies.liu@gmail.com> | 2015-07-03 15:49:32 -0700 |
| commit | f0fac2aa80da7c739b88043571e5d49ba40f9413 (patch) | |
| tree | 220bc609a18f6fc830cbb00b9f388e9f76304b77 /python/pyspark/files.py | |
| parent | ab535b9a1dab40ea7335ff9abb9b522fc2b5ed66 (diff) | |
| download | spark-f0fac2aa80da7c739b88043571e5d49ba40f9413.tar.gz spark-f0fac2aa80da7c739b88043571e5d49ba40f9413.tar.bz2 spark-f0fac2aa80da7c739b88043571e5d49ba40f9413.zip | |
[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
Diffstat (limited to 'python/pyspark/files.py')
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