There is SIMT on RISC V: https://www.semanticscholar.org/paper/Simty-%3A-generalized-SIMT-execution-on-RISC-V-Inria-Collange/6ca0d660157ba938ef6bb318b2207626bb3

There is SIMT on RISC V: https://www.semanticscholar.org/paper/Simty-%3A-generalized-SIMT-execution-on-RISC-V-Inria-Collange/6ca0d660157ba938ef6bb318b2207626bb32a5d6 https://www.semanticscholar.org/paper/Simty-%3A-generalized-... And some PoC work: https://vortex.cc.gatech.edu/publications/hotchips-poster.pdf https://vortex.cc.gatech.edu/publications/hotchips-poster.pd... Neither are specialized TPU/NPUs but they do fast vector operations.