RISC-V Open Instruction Set Architecture
Why is RISC-V so popular?
—
The movement is happening because new business model changes everything
✓
✓
Pick ISA first, then pick vendor
Add your own extension without getting permission
Community
designed
Modular &
Clean-Slate
Stable
Simple
Extensible
Base and standard
Small standard base ISA, with
Clear separation between
user and privileged ISA;
Avoids micro-architecture
or technology-dependent
features
With leading
industry/academic experts
and software developers
Far smaller than other
commercial ISAs
multiple standard extensions； extensions are frozen;
Additions via optional
Sparse and variable-length
extensions, not new
instruction encoding for
versions
vast opcode space
RISC-V Open Instruction Set Architecture
More than 435 RISC-V members in
3 countries around the world, such as
3
Google, NVIDIA, NXP, Samsung and
Western Digital.