As of version 6, this library will use OpenCL on graphic cards when available, but with an FFTW interface. This is definitely worth checking out. http://developer.amd.com/tools-and-sdks/cpu-development/amd-core-math-library-acml/ http://www.slideshare.net/DevCentralAMD/leverage-the-speed-of-opencl-with-amd-math-libraries
As of version 6, this library will use OpenCL on graphic cards when available, but with an FFTW interface. This is definitely worth checking out.
http://developer.amd.com/tools-and-sdks/cpu-development/amd-core-math-library-acml/
http://www.slideshare.net/DevCentralAMD/leverage-the-speed-of-opencl-with-amd-math-libraries