RISC-V Vector often feels unfamiliar—even disorienting—on first encounter.
The terminology is new, the execution model does not align with traditional SIMD, and the specification assumes a level of abstraction that many engineers have not previously had to confront. To practitioners steeped in scalar cores, GPUs, or fixed-function accelerators, RVV can appear powerful but difficult to approach.
This initial release of the RISC-V Vector Primer is intended to make that first encounter more accessible.
The material is based on a lecture originally delivered for RISC-V International and walks through the RISC-V Vector Extension step by step, from core concepts through practical execution models. The primer concludes with an introduction to the emerging Matrix Extension and the architectural motivations behind it.
This release is particularly well-suited for:
- Engineers new to RVV
- Architects evaluating vector vs. matrix approaches
- Readers seeking an implementation-oriented explanation rather than a specification walkthrough
📘 Read online:
📂 Source repository:
https://github.com/simplex-micro/riscv-vector-primer