VisionFive 2 RISC-V single-board computer is up for pre-order for $56 and up

• openc910

  42 1,040 1.3 Verilog

  OpenXuantie - OpenC910 Core

  

It looks like so far there are two Linux usable Risc-v cores: those from Alibaba's c910[0] (like this one), and those from sifive. There is also OpenXiangShan[1] which is an academic project which has seen real tape out but so far no product that I'm aware of. I believe XiangShan is somewhat based on Berkley's BOOM[2], someone who knows can correct me on this.

My hope is that in the long run it makes sense for cloud companies to fund open source CPU development. They already fund closed source development by paying Intel, AMD, and now ARM (some of which is in house like Graviton). It shouldn't be so expensive throw a few million at this. Google and Amazon already have some in house talent. I don't think these cloud companies really want to be in the business of (closed source) hardware development. At the very least, they can put pressure on the existing CPU companies: what are they going to do - lose out on their largest market? The cloud companies are in control here.

[0]https://github.com/T-head-Semi/openc910

• XiangShan

  32 4,305 9.3 Scala

  Open-source high-performance RISC-V processor

  

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