C11 FFT library for Linux, macOS and Windows: ten FFT kernels including AVX2, OpenMP and split-radix, thread-safe planning and wisdom, r2c/c2r and 2-D transforms, benchmarks, and opt-in CUDA and Metal GPU backends.
cmake metal dft gpu signal-processing openmp cuda scientific-computing high-performance-computing fast-fourier-transform avx2 fft digital-signal-processing c11 radix-4 c-programming numerical-computing apple-silicon split-radix wisdom-cache
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Updated
Nov 4, 2026 - C