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https://issues.apache.org/jira/browse/ARROW-13473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Niranda Perera closed ARROW-13473.
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Resolution: Abandoned
This issue is abandoned, because there wasn't any substantial perf improvement.
> [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
> Assignee: Cristhian Gonzales Castillo
> 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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