[jira] [Assigned] (SPARK-1503) Implement Nesterov's accelerated first-order method

2015-07-28 Thread Apache Spark (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-1503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-1503:
---

Assignee: Apache Spark  (was: Aaron Staple)

> 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: Apache Spark
> Attachments: linear.png, linear_l1.png, logistic.png, logistic_l2.png
>
>
> 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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[jira] [Assigned] (SPARK-1503) Implement Nesterov's accelerated first-order method

2015-07-28 Thread Apache Spark (JIRA)

 [ 
https://issues.apache.org/jira/browse/SPARK-1503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Apache Spark reassigned SPARK-1503:
---

Assignee: Aaron Staple  (was: Apache Spark)

> 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: Aaron Staple
> Attachments: linear.png, linear_l1.png, logistic.png, logistic_l2.png
>
>
> 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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[jira] [Assigned] (SPARK-1503) Implement Nesterov's accelerated first-order method

2014-10-09 Thread Xiangrui Meng (JIRA)

 [ 
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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