> You can always emulate FP64 That's what's done by Intel for their newer consumer GPUs AFAIK, zero FP64 units present on die, but an emulation mode can be ena

> You can always emulate FP64 That's what's done by Intel for their newer consumer GPUs AFAIK, zero FP64 units present on die, but an emulation mode can be enabled to expose that support. (which is then done by software on the GPU) > it is around 25% 50%, ~ 200GB/sec on an M1 Max out of ~ 400GB/sec