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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:21:40 UTC
[jira] [Updated] (SPARK-10478) Improve spark.ml.ann implementations
for MLP
[ https://issues.apache.org/jira/browse/SPARK-10478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-10478:
---------------------------------
Labels: bulk-closed (was: )
> Improve spark.ml.ann implementations for MLP
> --------------------------------------------
>
> Key: SPARK-10478
> URL: https://issues.apache.org/jira/browse/SPARK-10478
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Feynman Liang
> Priority: Major
> Labels: bulk-closed
>
> SPARK-9471 adds an implementation of multi-layer perceptrons. However, there are a few issues with the current code that should be addressed, namely:
> * Style guide: 4 indent method arguments, braces around one-line {{if}}s, punctuation in scaladocs
> * Comments: cryptic variable names (e.g. {{gw}}, {{gb}}, {{gwb}}) should be documented
> * Performance: parts of the code can be improved using Breeze broadcasts, vectorized operations, and Breeze UFuncs to avoid manual iteration and leverage BLAS optimization
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