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Posted to issues@spark.apache.org by "Debasish Das (JIRA)" <ji...@apache.org> on 2015/09/08 04:03:45 UTC

[jira] [Commented] (SPARK-10078) Vector-free L-BFGS

    [ https://issues.apache.org/jira/browse/SPARK-10078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14734130#comment-14734130 ] 

Debasish Das commented on SPARK-10078:
--------------------------------------

[~mengxr] will it be Breeze LBFGS modification or part of mllib.optimization ? Is  someone looking into it ?

> Vector-free L-BFGS
> ------------------
>
>                 Key: SPARK-10078
>                 URL: https://issues.apache.org/jira/browse/SPARK-10078
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>            Reporter: Xiangrui Meng
>            Assignee: Xiangrui Meng
>
> This is to implement a scalable version of vector-free L-BFGS (http://papers.nips.cc/paper/5333-large-scale-l-bfgs-using-mapreduce.pdf).



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