Comment on Sophgo SG2380 2.5 GHz 16-core SiFive P670 RISC-V processorparentComments−snvzz2y5% slower on SpecINT2k6, but 50% less areaThat's a huge difference in area.In line with SiFive tradition, always huge area advantage against any given performance point's ARM design counterpart.I am amazed they manage to still keep this sort of advantage up, while tackling higher and higher performance points.−KlasiasterOP2yMaybe it's like with software, once you add bloat/baggage over the course of the years it's hard to get rid off when trying to optimize again.−snvzz2yIt is a good thing that at least the ISA managed to catch up with every important ARM or x86 feature yet avoid that baggage creep.Microarchitectures might need a full redesign once in a while, but if it can keep its RISC-V software moat, that's alright. Worked for x86 so far.
Comments
That's a huge difference in area.
In line with SiFive tradition, always huge area advantage against any given performance point's ARM design counterpart.
I am amazed they manage to still keep this sort of advantage up, while tackling higher and higher performance points.
Maybe it's like with software, once you add bloat/baggage over the course of the years it's hard to get rid off when trying to optimize again.
It is a good thing that at least the ISA managed to catch up with every important ARM or x86 feature yet avoid that baggage creep.
Microarchitectures might need a full redesign once in a while, but if it can keep its RISC-V software moat, that's alright. Worked for x86 so far.