Download of CUDA 3.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Education Tools, more precisely Science. The most popular version among the program users is 3.2. This free Mac app was originally produced by NVIDIA Corporation. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
CUDA is NVIDIA’s parallel computing architecture. It enables dramatic increases in computing performance by harnessing the power of the GPU.
You may want to check out more Mac applications, such as CudaSign, CudaLaunch or FonePaw Video Converter Ultimate, which might be related to CUDA.