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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/05/08 02:20:04 UTC
[jira] [Assigned] (SPARK-17134) Use level 2 BLAS operations in
LogisticAggregator
[ https://issues.apache.org/jira/browse/SPARK-17134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-17134:
------------------------------------
Assignee: Seth Hendrickson (was: Apache Spark)
> 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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