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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SYSTEMML-947) Simplification new mlcontext external data structures
Date Wed, 07 Jun 2017 05:06:18 GMT

    [ https://issues.apache.org/jira/browse/SYSTEMML-947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16040185#comment-16040185
] 

Matthias Boehm commented on SYSTEMML-947:
-----------------------------------------

thanks for taking this over [~deron] - channeling all potential inputs through one abstract
type would also allow us to make various data conversions lazy. This will help in avoiding
useless conversions we currently see at API level such as csv->dataframe->binary block
(distributed)-> binary block (local), which should boil down to csv -> binary block
(local).

> Simplification new mlcontext external data structures
> -----------------------------------------------------
>
>                 Key: SYSTEMML-947
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-947
>             Project: SystemML
>          Issue Type: Task
>            Reporter: Matthias Boehm
>            Assignee: Deron Eriksson
>
> This task aims to simplify the externally exposed data structures of the new MLContext
API. The details are discussed here: https://www.mail-archive.com/dev@systemml.incubator.apache.org/msg00795.html.
The goal is to remove MatrixObject/FrameObject from the API, remove BinaryBlockMatrix/BinaryBlockFrame,
and provide all functionalities through the abstract types Matrix and Frame.



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