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rader-fft

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Tugbars / VectorFFT

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VectorFFT is a vectorized, pure C FFT library optimized for x86 processors (AVX-512, AVX2, SSE2) with zero external dependencies. It implements mixed-radix algorithms for common sizes and Bluestein's method for arbitrary lengths, with OpenMP multi-threading for large transforms. Designed for both digital signal processing and financial applications

simd fft vectorization cooley-tukey-fft fma bluestein fourier-transform fft-library bluestein-fft prefetching fft-algorithm butterfly-operation cooley-tukey mixed-radix good-thomas rader-fft dit-fft
  • Updated Oct 29, 2025
  • C

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