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there are projects for making high performance RISC-V chips like this one https://github.com/OpenXiangShan/XiangShan

OK, I'll bite. If this is a truly competitive core - I don't claim enough personal expertise to judge - does anyone fab and sell it? There should be a business case if it is.

If I remember correctly,it was taped out by some company as some embedded core in a GPU?

I guess that may be the true use case for 'Open-Source' cores.

That being said, the advertised SPEC2007 scores are close to a M1 in IPC.

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