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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/07/15 21:14:49 UTC

[GitHub] [arrow-rs] jhorstmann commented on issue #1857: Inline is_valid calls in PrimitiveIter/BooleanIter

jhorstmann commented on issue #1857:
URL: https://github.com/apache/arrow-rs/issues/1857#issuecomment-1185949132

   In a simplified example, llvm is able to completely unswitch a loop based on the presence of a validity bitmap, and generate two separately optimized versions of a kernel: https://rust.godbolt.org/z/sxhsh3h7G


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