C11 FFT library: seven FFT kernels plus two DFT references, automatic selection and planning wisdom, r2c/c2r and 2-D transforms, benchmarks, and an opt-in Metal backend.
benchmarking cmake metal dft algorithms gpu signal-processing scientific-computing high-performance-computing fast-fourier-transform fft digital-signal-processing c11 computer-science-education bluestein radix-4 c-programming numerical-computing split-radix wisdom-cache
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Updated
Nov 2, 2026 - C