Includes built-in support for multi-threading (pthreads/OpenMP) and MPI for distributed memory.
Softwares like FreeFEM++ use it for solving partial differential equations in electromagnetics and fluid dynamics. download fftw
The official and most secure place to download FFTW is the Official FFTW Website . For those who prefer source control, the latest development versions are also available on the FFTW GitHub Repository . Why Professionals Use FFTW download fftw