Perftest: Stratstats 100K x 100 fails w/ OOM

Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
	at org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseBlock(MatrixBlock.java:353)
	at org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseBlock(MatrixBlock.java:328)
	at org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseOrSparseBlock(MatrixBlock.java:335)
	at org.apache.sysml.runtime.matrix.data.LibMatrixMult.matrixMultWDivMM(LibMatrixMult.java:747)
	at org.apache.sysml.runtime.matrix.data.MatrixBlock.quaternaryOperations(MatrixBlock.java:5493)
	at org.apache.sysml.runtime.instructions.cp.QuaternaryCPInstruction.processInstruction(QuaternaryCPInstruction.java:128)
	at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:266)
	at org.apache.sysml.runtime.controlprogram.ProgramBlock.executeInstructions(ProgramBlock.java:220)
	at org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:165)
	at org.apache.sysml.runtime.controlprogram.Program.execute(Program.java:123)
	at org.apache.sysml.api.ScriptExecutorUtils.executeRuntimeProgram(ScriptExecutorUtils.java:95)
	at org.apache.sysml.api.DMLScript.execute(DMLScript.java:742)
	at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:506)
	at org.apache.sysml.api.DMLScript.main(DMLScript.java:233)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:738)
	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187)
	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212)
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126)
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)