Github user vinodkc commented on a diff in the pull request: https://github.com/apache/spark/pull/8565#discussion_r38609166 --- Diff: mllib/src/main/scala/org/apache/spark/mllib/linalg/Matrices.scala --- @@ -278,7 +278,8 @@ class DenseMatrix @Since("1.3.0") ( } override def hashCode: Int = { - com.google.common.base.Objects.hashCode(numRows : Integer, numCols: Integer, toArray) + val state = Seq(numRows, numCols, Arrays.hashCode(values), isTransposed.hashCode) --- End diff -- Got confirmation from Breeze mailing list that it is an issue and suggested to me to raise an issue in Breeze => https://github.com/scalanlp/breeze/issues/440 Can you please suggest whether we need to wait for Breeze issue fix or change equals method of CSCMatrix & DenseMatrix to match my hashCode implementation?
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