[jira] [Commented] (SPARK-15575) Remove breeze from dependencies?

["xubo245 (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-15575?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410923#comment-15410923 ] 

xubo245 commented on SPARK-15575:
---------------------------------

If remove breeze dependency,we need rewrite similar project?
I think we can build mllib linalg project ,and which dependencies breeze or other library. Also we can update the project if breeze can not support scala2.12.


> Remove breeze from dependencies?
> --------------------------------
>
>                 Key: SPARK-15575
>                 URL: https://issues.apache.org/jira/browse/SPARK-15575
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Joseph K. Bradley
>
> This JIRA is for discussing whether we should remove Breeze from the dependencies of MLlib.  The main issues with Breeze are Scala 2.12 support and performance issues.
> There are a few paths:
> # Keep dependency.  This could be OK, especially if the Scala version issues are fixed within Breeze.
> # Remove dependency
> ## Implement our own linear algebra operators as needed
> ## Design a way to build Spark using custom linalg libraries of the user's choice.  E.g., you could build MLlib using Breeze, or any other library supporting the required operations.  This might require significant work.  See [SPARK-6442] for related discussion.



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