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by jtsylve
1280 days ago
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I experimented with the proposed parallel data type extensions to the C++ standard library. I got impressive performance gains for calculating APFS fletcher checksums without resorting to compiler intrinsics or inline assembly. Gains were even more impressive when adding some simple loop unrolling: https://jtsylve.blog/post/2022/12/24/Blazingly-Fast-er-SIMD-... |
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