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https://issues.apache.org/jira/browse/SYSTEMML-1243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15873317#comment-15873317
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Arvind Surve commented on SYSTEMML-1243:
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[~mboehm7] Are you planning on any fix for this issue?
> Perftest: OutOfMemoryError in stratstats.dml for 800MB case
> -----------------------------------------------------------
>
> Key: SYSTEMML-1243
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1243
> Project: SystemML
> Issue Type: Bug
> Components: Test
> Affects Versions: SystemML 0.13
> Environment: spark 2.1.0
> Reporter: Imran Younus
> Assignee: Matthias Boehm
> Fix For: SystemML 0.13
>
> Attachments: sparkDML.sh
>
>
> when running {{runAllStats.sh}} script, {{stratstats.dml}} ends with
> OutOfMemory error for 100k_1k data set. Here is end of log file:
> {code}
> 17/02/06 16:09:25 INFO api.DMLScript: SystemML Statistics:
> Total elapsed time: 1435.880 sec.
> Total compilation time: 2.433 sec.
> Total execution time: 1433.447 sec.
> Number of compiled Spark inst: 190.
> Number of executed Spark inst: 3.
> Cache hits (Mem, WB, FS, HDFS): 72343/3/4/7.
> Cache writes (WB, FS, HDFS): 10419/5/0.
> Cache times (ACQr/m, RLS, EXP): 387.598/0.039/277.658/0.000 sec.
> HOP DAGs recompiled (PRED, SB): 0/107.
> HOP DAGs recompile time: 0.207 sec.
> Functions recompiled: 3.
> Functions recompile time: 0.026 sec.
> Spark ctx create time (lazy): 36.537 sec.
> Spark trans counts (par,bc,col):3/3/0.
> Spark trans times (par,bc,col): 0.404/0.147/0.000 secs.
> Total JIT compile time: 63.262 sec.
> Total JVM GC count: 57.
> Total JVM GC time: 34.538 sec.
> Heavy hitter instructions (name, time, count):
> -- 1) wdivmm 1078.568 sec 5
> -- 2) ba+* 286.854 sec 22
> -- 3) sp_mapmm 37.244 sec 3
> -- 4) fStat_tailprob 2.071 sec 3
> -- 5) rangeReIndex 1.608 sec 30601
> -- 6) == 0.974 sec 11
> -- 7) ^2 0.793 sec 13
> -- 8) cdf 0.603 sec 10200
> -- 9) replace 0.349 sec 10
> -- 10) r' 0.278 sec 106
> 17/02/06 16:09:25 INFO api.DMLScript: END DML run 02/06/2017 16:09:25
> Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
> at
> org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseBlock(MatrixBlock.java:363)
> at
> org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseBlock(MatrixBlock.java:339)
> at
> org.apache.sysml.runtime.matrix.data.MatrixBlock.allocateDenseOrSparseBlock(MatrixBlock.java:346)
> at
> org.apache.sysml.runtime.matrix.data.LibMatrixMult.matrixMultWDivMM(LibMatrixMult.java:752)
> at
> org.apache.sysml.runtime.matrix.data.MatrixBlock.quaternaryOperations(MatrixBlock.java:5475)
> at
> org.apache.sysml.runtime.instructions.cp.QuaternaryCPInstruction.processInstruction(QuaternaryCPInstruction.java:128)
> at
> org.apache.sysml.runtime.controlprogram.ProgramBlock.executeSingleInstruction(ProgramBlock.java:290)
> at
> org.apache.sysml.runtime.controlprogram.ProgramBlock.executeInstructions(ProgramBlock.java:221)
> at
> org.apache.sysml.runtime.controlprogram.ProgramBlock.execute(ProgramBlock.java:168)
> at
> org.apache.sysml.runtime.controlprogram.Program.execute(Program.java:123)
> at org.apache.sysml.api.DMLScript.execute(DMLScript.java:684)
> at org.apache.sysml.api.DMLScript.executeScript(DMLScript.java:360)
> at org.apache.sysml.api.DMLScript.main(DMLScript.java:221)
> 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)
> 17/02/06 16:09:27 INFO util.ShutdownHookManager: Shutdown hook called
> 17/02/06 16:09:27 INFO util.ShutdownHookManager: Deleting directory
> /tmp/spark-6ca71fe9-1f44-4aa9-b57f-83e8ea0b1a33
> {code}
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