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Posted to jira@arrow.apache.org by "Krisztian Szucs (Jira)" <ji...@apache.org> on 2021/06/22 11:12:00 UTC

[jira] [Commented] (ARROW-13142) [Python] Use vector append when converting from list of non-strided numpy arrays

    [ https://issues.apache.org/jira/browse/ARROW-13142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17367230#comment-17367230 ] 

Krisztian Szucs commented on ARROW-13142:
-----------------------------------------

Implementation is added at https://github.com/apache/arrow/pull/10556/files#diff-087e04e98a23e4563efd4a4aa5ff11b87ce7d0c53dea1456fd010ec6133ca1a3R719

> [Python] Use vector append when converting from list of non-strided numpy arrays
> --------------------------------------------------------------------------------
>
>                 Key: ARROW-13142
>                 URL: https://issues.apache.org/jira/browse/ARROW-13142
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Krisztian Szucs
>            Assignee: Krisztian Szucs
>            Priority: Major
>             Fix For: 5.0.0
>
>
> Iterating over the numpy arrays and appending elements one by one is inefficient where we could rather copy the memory region instead. 



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