The RISC-V instruction set architecture (ISA) is one of the most notable contenders to emerge in the ever-evolving realm of computer architecture. Because of its modularity, RISC-V provides more flexibility and customization possibilities than the ARM and x86 ISAs, and it requires no license fees. The open-standard ISA, which started in 2010 as part of the Parallel Computing Laboratory (Par Lab) at the University of California, Berkeley, is now being used in more than 10 billion CPU cores in the market and continues on an aggressive growth path. The main factors that have helped RISC-V attract the attention of researchers, developers and industry leaders are its simplicity, modularity and openness.