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Implement AVX-512 SIMD Optimizations #5

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Implement AVX-512 SIMD Optimizations#5
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optimizationCode optimization and algorithmic improvementsperformanceSpeed improvements and optimization workpriority: mediumImportant improvements that enhance functionality or performancesimdSIMD optimizations (AVX2, AVX-512, NEON)
@kevinamccorvon

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@kevinamccorvon
kevinamccorvon
opened on Dec 20, 2025

AVX2 is working great (42% speedup on ML-DSA), but newer CPUs have AVX-512 which should give more boost.

Targets for AVX-512:

  • ML-DSA (all variants)
  • Hash functions: SHA-2, SHA-3, BLAKE2/3
  • Elliptic curves: field arithmetic, point multiplication
  • AES (if there's gains to be had)

Requirements:

  • Runtime CPU detection (can't assume everyone has AVX-512)
  • Benchmark against AVX2 baseline
  • Ensure graceful fallback to AVX2/scalar
  • Document which CPUs benefit and by how much

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    optimizationCode optimization and algorithmic improvementsperformanceSpeed improvements and optimization workpriority: mediumImportant improvements that enhance functionality or performancesimdSIMD optimizations (AVX2, AVX-512, NEON)

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