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zephentoday at 12:30 AM2 repliesview on HN

> RISC-V is... fine

Exactly.

> It satisfies my two requirements for an ISA as a hobby CPU designer...

You probably have some unstated requirements as well, such as available toolchains and "vetted well enough to actually be able to run code."

Risc-V now occupies the Schelling point for people who, for whatever reason (rent-seeking and security top the list) want to leave the x86 and Arm ecosystems.


Replies

brucehoulttoday at 4:38 AM

Luke is too modest. Something in the region of 5 million chips containing his hobby CPU have shipped since launch on August 8, 2024.

andrewflnrtoday at 12:39 AM

They did explicitly specify:

> 1. Supported in mainline LLVM and GCC.

Which pretty well encapsulates the ecosystem requirements.