simpleCUFFT_MGPU cudaXtFree cudaSetDevice cudaGetDeviceCount cudaDeviceSynchronize cudaGetDeviceProperties whole ./ ../ ../../../Common Image Processing CUFFT Library CUDA CUFFT cufft true simpleCUFFT_MGPU.cu CUFFT 1:CUDA Basic Topics 2:Image Processing sm50 sm52 sm53 sm60 sm61 sm70 sm72 sm75 sm80 sm86 sm87 sm89 sm90 x86_64 linux windows7 x86_64 macosx arm sbsa ppc64le linux all exe