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Posted to issues@arrow.apache.org by "Neville Dipale (Jira)" <ji...@apache.org> on 2019/12/23 17:28:00 UTC
[jira] [Resolved] (ARROW-7460) [Rust] Improve some kernels with
autovectorisation
[ https://issues.apache.org/jira/browse/ARROW-7460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neville Dipale resolved ARROW-7460.
-----------------------------------
Fix Version/s: 1.0.0
Resolution: Fixed
Issue resolved by pull request 6086
[https://github.com/apache/arrow/pull/6086]
> [Rust] Improve some kernels with autovectorisation
> --------------------------------------------------
>
> Key: ARROW-7460
> URL: https://issues.apache.org/jira/browse/ARROW-7460
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Rust
> Affects Versions: 0.15.1
> Reporter: Neville Dipale
> Assignee: Neville Dipale
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> In a comment to an open ticket for optimising a cast kernel by using SIMD, [~andy-thomason] mentioned that LLVM does autovec well for Rust.
> I'd like to explore whether we could improve the kernel performance by simplifying the loops enough to allow the compiler to vectorise.
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