There is one completely open-source and free architecture though, known as RISC-V, and its design and philosophy allow anyone to build and experiment with it, like this build which implements a ...
From the Institute of Computing Technology division of the Chinese Academy of Sciences and Peng Cheng Laboratory comes a high-performance and well-documented RISC-V core called XiangShan.
A new technical paper titled “Optimizing Energy Efficiency in Subthreshold RISC-V Cores” was published by researchers at Norwegian University of Science and Technology (NTNU). Abstract “Our goal in ...