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https://issues.apache.org/jira/browse/ARROW-2435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16445136#comment-16445136
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ASF GitHub Bot commented on ARROW-2435:
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liurenjie1024 commented on issue #1875: ARROW-2435: [Rust] Add memory pool
abstraction.
URL: https://github.com/apache/arrow/pull/1875#issuecomment-382943494
Hi @paddyhoran,
in fact these are conventions inherited from allocator api, and here are my
thoughts:
* when you allocate a new piece of memory, in most cases it's used for
storing data, and you need to write to it.
* usize is a type designed for size and it has different length in different
platforms for the sake of efficiency. If you use i64 in 32-bit platforms, it
may be wasteful and hurt performance.
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> [Rust] Add memory pool abstraction.
> -----------------------------------
>
> Key: ARROW-2435
> URL: https://issues.apache.org/jira/browse/ARROW-2435
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust
> Affects Versions: 0.9.0
> Reporter: Renjie Liu
> Assignee: Renjie Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 0.10.0
>
>
> Add memory pool abstraction as the c++ api.
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