That's quite promising as far as OpenCL is concerned. I've seen a lot of scientific packages that run on CUDA, but not many that use OpenCL, but I've been avers

That's quite promising as far as OpenCL is concerned. I've seen a lot of scientific packages that run on CUDA, but not many that use OpenCL, but I've been averse to the vendor lock in. Despite the overheads at small dataset sizes, this seems to make OpenCL not just a viable alternative, but a preferable one for general applications.