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Posted to issues@arrow.apache.org by "Neville Dipale (Jira)" <ji...@apache.org> on 2019/12/22 13:30:00 UTC

[jira] [Created] (ARROW-7460) [Rust] Improve arithmetic kernels with autovec

Neville Dipale created ARROW-7460:
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             Summary: [Rust] Improve arithmetic kernels with autovec
                 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


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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