Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/17459#discussion_r109382284
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/IndexedRowMatrix.scala
---
@@ -113,6 +114,67 @@ class IndexedRowMatrix @Since("1.0.0") (
}
/**
+ * Converts to BlockMatrix. Creates blocks of `DenseMatrix` with size
1024 x 1024.
+ */
+ def toBlockMatrixDense(): BlockMatrix = {
--- End diff --
Actually I think we can generalize the change to SparseMatrix-based
`BlockMatrix ` too. But maybe we can do it in following PR.
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