at Cray, at one point we had custom vector processors, custom SMT(for lack of a better term) processors, FPGAs on the roadmap, GPUs, and commodity AMD processor

at Cray, at one point we had custom vector processors, custom SMT(for lack of a better term) processors, FPGAs on the roadmap, GPUs, and commodity AMD processors...and a strong desire to ship them in the same frame that may have been the only time in history though