NEON-accelerated RGB->YCbCr #24
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…elism and wide issue on recent Aarch64
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I think the approach in #25 is better, so this PR is not worthwhile to pursue. |
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This is a sketch of a NEON-accelerated implementation for RGB->YCbCr conversion, adapted from #13 with some assistance from Claude to translate std::simd into the corresponding intrinsics, and with scaffolding adapted from #17.
I'm not entirely sure how to wire it up to the rest of the code, so it wasn't tested or benchmarked yet.