I may write something like you have described. It would use OpenCL rather than CUDA. Though I would like it to be scalable, the starting goal will be simplicity

I may write something like you have described. It would use OpenCL rather than CUDA. Though I would like it to be scalable, the starting goal will be simplicity and ease of deployment on a range of devices. Do you have any suggestions for the API? If you wrote some simple code that would work if there was a functioning learning module, what would it look like (if you feel like contributing to this)?