MKL FFT
JSON →Provides NumPy-compatible FFT functions (fft, ifft, rfft, irfft, hfft, ihfft, dct, idct) that are accelerated by Intel Math Kernel Library (MKL) for improved performance on Intel CPUs. Current version 2.2.1 requires Python 3.10-3.14. Release cadence is irregular, tied to Intel's updates.