[jira] [Updated] (ARROW-13473) [C++] Add super-scalar impl for BitUtil::SetBitTo

["Niranda Perera (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Niranda Perera updated ARROW-13473:
-----------------------------------
    Labels: beginner  (was: )

> [C++] Add super-scalar impl for BitUtil::SetBitTo 
> --------------------------------------------------
>
>                 Key: ARROW-13473
>                 URL: https://issues.apache.org/jira/browse/ARROW-13473
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Niranda Perera
>            Priority: Major
>              Labels: beginner
>
> {code:java}
> void SetBitTo(uint8_t* bits, int64_t i, bool bit_is_set){code}
> Add the super-scalar variant to set a bit, as described in here.
> [https://graphics.stanford.edu/~seander/bithacks.html#ConditionalSetOrClearBitsWithoutBranching]
> Add the implementation and run benchmarks (or create one if not exists)
>  



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