Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/685#discussion_r12412535
--- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Vectors.scala
---
@@ -188,3 +198,28 @@ class SparseVector(
private[mllib] override def toBreeze: BV[Double] = new
BSV[Double](indices, values, size)
}
+
+/**
+ * Parsers for string representation of
[[org.apache.spark.mllib.linalg.Vector]].
+ */
+private[mllib] class VectorParsers extends JavaTokenParsers {
--- End diff --
Parser combinators are really slow unfortunately, should use something else
here
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