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From "DB Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-17134) Use level 2 BLAS operations in LogisticAggregator
Date Sat, 22 Oct 2016 00:40:58 GMT

     [ https://issues.apache.org/jira/browse/SPARK-17134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

DB Tsai updated SPARK-17134:
----------------------------
    Assignee: Seth Hendrickson

> Use level 2 BLAS operations in LogisticAggregator
> -------------------------------------------------
>
>                 Key: SPARK-17134
>                 URL: https://issues.apache.org/jira/browse/SPARK-17134
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML
>            Reporter: Seth Hendrickson
>            Assignee: Seth Hendrickson
>
> Multinomial logistic regression uses LogisticAggregator class for gradient updates. We
should look into refactoring MLOR to use level 2 BLAS operations for the updates. Performance
testing should be done to show improvements.



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