Researchers build million p-bit probabilistic computer by networking FPGAs, performing trillion flips per second; breakthrough scales Ising machines beyond single-chip limit for optimization problems.

Programmable Probabilistic Computer with 1,000,000 p-bits

Authors:Navid Anjum Aadit, Xiuqi Zhang, Shuvro Chowdhury, Kevin Callahan-Coray, Kyle Lee, Saleh Bunaiyan, Sanjay Seshan, Clayton Thomas, Jason Twigg, Andrew Seawright, Forrest Brewer, Tathagata Srimani, Kerem Y. Camsari View PDF HTML (experimental) Abstract:Probabilistic computers built from p-bits have been proposed as hardware accelerators for sampling and optimizing Ising models, but existing systems have been confined to a single chip, capped by its capacity and memory bandwidth. Here we bre...