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Posted to issues@arrow.apache.org by "Neville Dipale (Jira)" <ji...@apache.org> on 2019/12/22 13:51:00 UTC

[jira] [Updated] (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 updated ARROW-7460:
----------------------------------
    Summary: [Rust] Improve some kernels with autovectorisation  (was: [Rust] Improve arithmetic kernels with autovec)

> [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
>            Priority: Major
>
> 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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