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The History of RISC‑V

Pioneered by SiFive’s founders, RISC-V is a fast-growing global phenomena

The Future of Computer Architecture is Open

From a summer project at the University of Berkeley in 2010, RISC-V has quickly become a force in the world of computer architecture and taken its place as one of the three major ISAs, quickly gaining share on incumbent x86 and ARM architectures. Created by SiFive Founders Krste Asanovic, Andrew Waterman, and Yunsup Lee, working with David Patterson, co-author of the definitive book on computer architecture, RISC-V at its introduction represented a fresh start, unburdened by legacy constraints.

A Modern, Modular, and Open Approach

RISC-V's simple and modular design offers significant advantages over traditional architectures:

  • Efficiency: The streamlined instruction set architecture (ISA) allows for smaller, faster, and more power-efficient implementations
  • Open Standard: Like Ethernet and Wi-Fi, RISC-V is an open standard, fostering collaboration and preventing vendor lock-in. This promotes a diverse and competitive ecosystem, benefiting everyone.
  • Customization: RISC-V empowers innovation by allowing custom instructions tailored to specific needs. This opens doors for optimizing performance, security, and power efficiency in ways never before possible.
  • Common Software: For designers creating software that must run across a range of systems, RISC-V provides flexibility and standard “profiles”, a set of instructions that software can rely on to be present, saving time and money.

Addressing Fragmentation with Profiles

While customization is a strength, it can also lead to fragmentation. RISC-V addresses this with Profiles:

  • Profiles ensure compatibility: By defining standardized sets of instructions and extensions, Profiles ensure software compatibility across different RISC‑V implementations.
  • RVA23 for Application Processors: This profile targets 64-bit application processors running rich operating systems, enabling a standardized software ecosystem.
  • Future Profiles: More profiles are planned to address other market segments, such as microcontrollers, ensuring consistency and interoperability across the RISC‑V world.

RISC-V: Powering Innovation Across Industries

Billions of deployed devices already utilize RISC-V, and it is becoming the de-facto ISA for embedded systems. But this is just the beginning. RISC-V is rapidly expanding into new markets, including:

  • Automotive: Powering the next generation of intelligent and autonomous vehicles.
  • Consumer devices: Enabling smarter and more efficient televisions, smartphones, wearables, and other electronics.
  • Data centers: Driving innovation in cloud computing and server technology.
  • Storage: Fast reliable compute for all types of storage
  • Networking: Improving the performance and security of network infrastructure.
  • Space exploration: Providing reliable and adaptable computing power for space missions.

AI/ML: A Natural Fit for RISC-V

Industry giants like Google, Meta, and NVIDIA are embracing RISC-V for AI/ML, drawn to its efficiency, customization, and open nature. The ability to tailor hardware to specific AI workloads unlocks new possibilities for performance and innovation. RISC-V is an attractive solution for workload offloads and other custom activities. As AI moves to the edge and embedded applications RISC-V offers many benefits.

SiFive: Leading the RISC-V Revolution

Founded by the inventors of RISC-V, SiFive is at the forefront of this architectural revolution.

From idea to global ecosystem in record time:

  • 2010 - RISC-V invented in Berkeley
  • 2015 - SiFive Founded by RISC-V pioneers and RISC-V International founded to guide global open standard ecosystem
  • 2016 - First commercial RISC-V SoC and first RISC-V board, the HiFive1
  • 2022- SiFive achieves $2.5B “double unicorn” valuation
  • 2025 - >2 Billion SiFive based devices and 400 design wins

Learn more about how SiFive is shaping the future of computing with RISC-V. 

A Global Ecosystem

While founded and growing rapidly in the United States, RISC-V International, now headquartered in Switzerland and the standards body for RISC-V, has more than 4500 members around the world. Today RISC-V is taught in major universities around the world and is strongly supported by countries such as India, Japan and China. With a growing and robust software ecosystem, momentum continues to grow.

For more information, check out the following resources

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