[SPARK-11626][ML]ml.feature.Word2Vec.transform() function very slow#9592

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wangyum wants to merge 4 commits intomasterfrom

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Commits on Nov 10, 2015

ml.feature.Word2Vec.transform() function very slow, we shouldn't read broadcast every sentence
Yuming Wang
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Commits on Nov 11, 2015

modify wordVectors to transient.
Yuming Wang
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improve implementation to avoid mapping per record
mengxr
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Merge pull request #1 from mengxr/SPARK-11626
yuming.wang
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