Aspects

Cufft

CuFFT is a FFT library for CUDA enabled GPUs

Fftw

FFTW, "The Fastest Fourier Transform in The West", is a C library which implements discrete Fourier Transforms

Experiments discussion batched

Quality | Example |
---|---|

Slower |
"In the experiments and discussion below i find that cufft is slower than fftw for batched 2d ffts" from question "Why is cuFFT so slow?" "However for a variety of fft problem sizes i ve found that cufft is slower than fftw with openmp" from question "Why is cuFFT so slow?" |

Others