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https://issues.apache.org/jira/browse/MAHOUT-1934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15850948#comment-15850948
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Hudson commented on MAHOUT-1934:
--------------------------------
SUCCESS: Integrated in Jenkins build Mahout-Quality #3415 (See
[https://builds.apache.org/job/Mahout-Quality/3415/])
MAHOUT-1934: OpenMP jars aren't being picked up add in (apalumbo: rev
22c5e86480c124c95b2a4698e23a0d98cd7a474b)
* (edit) spark/src/main/scala/org/apache/mahout/sparkbindings/package.scala
> OpenMP jars aren't being picked up in distributed Spark
> -------------------------------------------------------
>
> Key: MAHOUT-1934
> URL: https://issues.apache.org/jira/browse/MAHOUT-1934
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.13.0
> Reporter: Trevor Grant
> Assignee: Andrew Palumbo
> Priority: Blocker
> Fix For: 0.13.0
>
>
> When executing the following:
> ```
> import org.apache.mahout.math.decompositions._
> drmX.checkpoint()
> val (U, V, s) = dspca(drmX, k = 30, q = 1)
> ```
> I see the following:
> ```
> import org.apache.mahout.math.decompositions._
> res1: org.apache.mahout.math.drm.CheckpointedDrm[Int] =
> org.apache.mahout.sparkbindings.drm.CheckpointedDrmSpark@2e8dd198
> [INFO] Creating org.apache.mahout.viennacl.opencl.GPUMMul solver
> [WARN] Unable to create class GPUMMul: attempting OpenMP version
> [INFO] Creating org.apache.mahout.viennacl.openmp.OMPMMul solver
> org.apache.mahout.viennacl.openmp.OMPMMul$
> [INFO] Unable to create class OMPMMul: falling back to java version
> drmReduxX: org.apache.mahout.math.drm.DrmLike[Int] =
> OpMapBlock(OpTimesRightMatrix(org.apache.mahout.s...
> ```
> The code executes fine, but it seems the OpenMP is not getting picked up.
> To be clear I build these jars with -Pviennacl-omp
> I the issue persists through other operations as well. I am running on a 3
> node Yarn cluster/ spark 1.6.3
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