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Are you calling for the government to pick a winner? The Chinese word for this fierce if at times chaotic competition is "juan". It worked for them in EV and PV. The outcome remains to be seen in chips and commercial space launches. But even their mostly (ex-)students-run open source Xiangshan RiscV project https://github.com/OpenXiangShan/XiangShan shows a remarkable level of sophistication.
"Real truth" and "fan boys"? Let's have some facts: there are indeed a boatload of extensions, though perhaps not (yet) to the V extension itself.
T-HEAD [1], Ventana's ternary op [2], Sifive also has a couple [3], including "Xsfvfwmaccqqq", one of at least four completely different matmul variants.
In particular for the latter, I would say fragmentation is an absolutely valid concern at the moment.
[1]: https://github.com/T-head-Semi/thead-extension-spec
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