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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2022/09/27 09:10:00 UTC

[jira] [Commented] (ARROW-17836) [C++] Allow specifying of alignment in MemoryPool's allocations

    [ https://issues.apache.org/jira/browse/ARROW-17836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17609923#comment-17609923 ] 

Antoine Pitrou commented on ARROW-17836:
----------------------------------------

Note that alignment is already 64 bytes by default... which is 512 bits. Does it not suffice?

> [C++] Allow specifying of alignment in MemoryPool's allocations 
> ----------------------------------------------------------------
>
>                 Key: ARROW-17836
>                 URL: https://issues.apache.org/jira/browse/ARROW-17836
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Sasha Krassovsky
>            Assignee: Sasha Krassovsky
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> For spilling, I need to create buffers that are 512-bit aligned. The task is to augment MemoryPool to allow for specifying alignment explicitly when allocating (but keep the default the same).



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