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x86: Implement polyvec_compress and polyvec_decompress in asm/intrincis #319

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mkannwischer opened this issue Nov 3, 2024 · 1 comment
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x86: Implement polyvec_compress and polyvec_decompress in asm/intrincis #319

mkannwischer opened this issue Nov 3, 2024 · 1 comment
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enhancement New feature or request x86_64

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@mkannwischer
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#224 identified polyvec_compress and polyvec_decompress taking significant time on x86.
Those should be implemented in intrincis/assembly.

I hacked that part of the official Kyber AVX2 implementation into our implementation in https://github.com/pq-code-package/mlkem-c-aarch64/tree/polvec-decompress to confirm this results in a significant speed-up, but this needs some clean-up.
@mkannwischer mkannwischer added enhancement New feature or request x86_64 labels Nov 3, 2024
@mkannwischer
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Superseded by #474.

@mkannwischer mkannwischer closed this as not planned Won't fix, can't repro, duplicate, stale Dec 4, 2024
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