What is RISC-V?
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The RISC-V ISA is modular, extensible, and customizable, allowing designers to create a wide range of RISC-V processors tailored for different applications and requirements.
RISC-V processors can incorporate different standard and custom extensions to provide additional, specialized capabilities. These extensions expand the base instruction set to support features like floating-point operations, vector processing, cryptography, and more.
RISC-V processors are adopted in various domains, including embedded systems, the Internet of Things (IoT), mobile devices, high-performance computing, and data centers. The open nature of RISC-V encourages innovation, collaboration, and customization.
the RISC-V Foundation in 2015, and on to RISC-V International, a Swiss non-profit entity, in November 2019.
RISC-V is an open-source instruction set architecture (ISA) used for the development of custom processors targeting a variety of end applications. Originally developed at the University of California, Berkeley, the RISC-V ISA is considered the fifth generation of processors built on the concept of the reduced instruction set computer (RISC). Due to its openness and its technical merits, it has become very popular in recent years. The standard is now managed by RISC-V International and many implementations of RISC-V are available, both as open-source cores and as commercial IP products.The intent is that through collaboration, the member companies can contribute new avenues of processor innovation while promoting new degrees of design freedom. The royalty-free RISC-V ISA features a small core set of instructions upon which all the design’s software runs. Its optional extensions allow designers to tailor the architecture for a variety of different end markets. Essentially, the RISC-V architecture allows designers to customize and build their processor in a way that’s tailored to their target end applications, so they can optimize the power, performance, and area (PPA) for those applications. The RISC-V ISA also provides the flexibility to pick and choose from available features, rather than having to use the full feature set. While the initial market adoption of RISC-V has been with embedded applications and microcontrollers, the open-source architecture also holds promise for high-performance computing and data centers.