Unfortunately no news about the GPU application, it seems that it's not an easy task, also probably not worthy...
We had received an extension from AMD so, yes, we are still using their computing resources, mainly for ML work related to single cell data (we'll like to play with this kind of data using gene@home in the future), here the challenge is to start with single cell data and try to transform it into something suitable for our PC-IM algorithm, we'll see..