Mauricio Scheffer created MADLIB-1067:
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Summary: Use Eigen in the implementation of array_dot
Key: MADLIB-1067
URL: https://issues.apache.org/jira/browse/MADLIB-1067
Project: Apache MADlib
Issue Type: Improvement
Components: Module: Linear-Algebra Functions
Reporter: Mauricio Scheffer
Currently (MADlib 1.9.1) cosine_similarity has better performance than
array_dot.
It seems that array_dot should be using the dot product implementation from
Eigen, like cosine_similarity.
See
http://mail-archives.apache.org/mod_mbox/incubator-madlib-user/201702.mbox/%3CCAAKWcNHoxdVdEjRsAOjC9Zukjo2e5cLBP2XPFFC6f8XiXSMykA%40mail.gmail.com%3E
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