If you want to dive in deep right away, an interesting summer project would be to create hybrid client / server gpu clusters using webgl and the browser!

Install node-opencl and CL.js and check out how Graphistry is using scalable distributed gpus for visualization of massive data sets ;)

CL.js:

https://github.com/graphistry/cljs

Node-OpenCL

https://github.com/mikeseven/node-opencl

Graphistry

https://www.graphistry.com/