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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2014/10/10 08:40:34 UTC
[jira] [Assigned] (SPARK-1503) Implement Nesterov's accelerated
first-order method
[ https://issues.apache.org/jira/browse/SPARK-1503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiangrui Meng reassigned SPARK-1503:
------------------------------------
Assignee: Xiangrui Meng
> Implement Nesterov's accelerated first-order method
> ---------------------------------------------------
>
> Key: SPARK-1503
> URL: https://issues.apache.org/jira/browse/SPARK-1503
> Project: Spark
> Issue Type: New Feature
> Components: MLlib
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> Nesterov's accelerated first-order method is a drop-in replacement for steepest descent but it converges much faster. We should implement this method and compare its performance with existing algorithms, including SGD and L-BFGS.
> TFOCS (http://cvxr.com/tfocs/) is a reference implementation of Nesterov's method and its variants on composite objectives.
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