Github user feynmanliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/7166#discussion_r34185831
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/GaussianMixture.scala ---
@@ -140,6 +143,9 @@ class GaussianMixture private (
// Get length of the input vectors
val d = breezeData.first().length
+ // Logic for when to distribute the computation of the
[[MultivariateGaussian]]s
+ val distributeGaussians = d >= 30 && k >= 10
--- End diff --
OK, will change but will also account for number worker = math.min(k, 1024)
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