FFT methods: Rader and Bluestein. Implemented in Python.
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Updated
Dec 30, 2021 - Python
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rader-fft
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VectorFFT: A permutation-free mixed-radix FFT library that beats Intel MKL and FFTW on every tested size. Hand-tuned AVX2/AVX-512 codelets for 18 radixes, zero-allocation in-place execution, and a wisdom-based planner. 1.1x–4.9x faster than Intel MKL, 1.3x–12.8x faster than FFTW. Pure C, no dependencies.
simd fft vectorization cooley-tukey-fft bluestein fourier-transform fft-library bluestein-fft butterfly-operation cooley-tukey mixed-radix rader-fft dit-fft dag-optimization
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Updated
Apr 22, 2026 - C
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