RVV may not be as good as you think

As an emerging ISA, RISC-V learns a lot from its predecessors’ mistakes and brings some very appealing designs. In my circles, RISC-V is frequently associated with the words “modern” and “elegant”. Its vector extension (RVV) is often given equivalent praise, even though nearly no one has used a real-world RVV machine (including me) or even programmed in RVV. After experimenting with RVV for a while, I feel that it is not as good as many people claimed....

February 27, 2022 · QuarticCat