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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-5814) Remove JBLAS from runtime dependencies
Date Wed, 11 Mar 2015 07:55:38 GMT

    [ https://issues.apache.org/jira/browse/SPARK-5814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14356451#comment-14356451
] 

Apache Spark commented on SPARK-5814:
-------------------------------------

User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/4699

> Remove JBLAS from runtime dependencies
> --------------------------------------
>
>                 Key: SPARK-5814
>                 URL: https://issues.apache.org/jira/browse/SPARK-5814
>             Project: Spark
>          Issue Type: Dependency upgrade
>          Components: GraphX, MLlib
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> We are using mixed breeze/netlib-java and jblas code in MLlib. They take different approaches
to utilize native libraries and we should keep only one of them. netlib-java has a clear separation
between Java implementation and native JNI libraries, while JBLAS packs statically linked
binaries that causes license issues (SPARK-5669). So we want to remove JBLAS from Spark runtime.
> One issue with this approach is that we have JBLAS' DoubleMatrix exposed (by mistake)
in SVDPlusPlus of GraphX. We should deprecate it and replace `DoubleMatrix` by `Array[Double]`.



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