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Posted to issues@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/04/02 18:01:00 UTC

[jira] [Commented] (ARROW-8320) [Documentation][Format] Clarify (lack of) alignment requirements in C data interface

    [ https://issues.apache.org/jira/browse/ARROW-8320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17073958#comment-17073958 ] 

Wes McKinney commented on ARROW-8320:
-------------------------------------

An embedded question here is what kinds of issues might occur in our C++ library if fed memory that is not word-aligned. Probably the documentation should _recommend_ using aligned memory but not _require_ it

> [Documentation][Format] Clarify (lack of) alignment requirements in C data interface
> ------------------------------------------------------------------------------------
>
>                 Key: ARROW-8320
>                 URL: https://issues.apache.org/jira/browse/ARROW-8320
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Documentation, Format
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 0.17.0
>
>
> This document should clarify that memory buffers need not start on aligned (8-byte or otherwise) pointer offsets. 



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