tree 14966365a00cb2bbad5817c74f0d27ce11b32020
parent 81e17152c66c1ab465c87e78d42b9a8c64734051
author Matthias Boehm <mboehm7@gmail.com> 1521757670 -0700
committer Matthias Boehm <mboehm7@gmail.com> 1521757670 -0700

[SYSTEMML-2196] Multi-threaded matrix blocking on RDD parallelize

This patch improves the performance for CP to Spark data exchange by
parallelizing the matrix blocking on RDD parallelize. For a scenario of
10 x 800MB matrix parallelization (incl blocking),this patch improved
performance from 8.1s to 3.8s.