Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/1932#discussion_r16223658
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/feature/Word2Vec.scala ---
@@ -284,16 +284,15 @@ class Word2Vec extends Serializable with Logging {
val newSentences = sentences.repartition(numPartitions).cache()
val initRandom = new XORShiftRandom(seed)
- var syn0Global =
- Array.fill[Float](vocabSize * vectorSize)((initRandom.nextFloat() -
0.5f) / vectorSize)
- var syn1Global = new Array[Float](vocabSize * vectorSize)
-
+ var synGlobal =
--- End diff --
Making composite key in the output RDD so reduceByKey can distinguish
whether the update is for syn0 or syn1?
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