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> does RISC-V also somehow imply that the microarchitecture will be open? Not at all. Most are completely proprietary. And that's fine. We're likely to end up
by brucehoult 2y ago
> does RISC-V also somehow imply that the microarchitecture will be open?
Not at all. Most are completely proprietary.
And that's fine. We're likely to end up with dozens of companies competing to license you their RISC-V cores, and lots of open source designs ranging from not very good to just a couple of years behind the commercial ones.
A much better situation than having just one vendor that can go out of business or simply decide to do something else at any time (see DEC, MIPS, Sun, Intel with iPX 432, i860, i960, Itanium, ...). Or even Intel and AMD with x86. Or Arm, Apple (not selling cores or chips to 3rd parties, only finished computers), Qualcomm (being sued by Arm) in the Arm ecosystem.
- brundolf 2y agoYeah, that's what I expected. Which doesn't negate RISC-V's value, but does mean the original article said some misleading things