AFAICS everybody has been doing that long before Intel, so in their defense they're just following precedent. But yes, outside of carefully tuned kernels (e.g.

AFAICS everybody has been doing that long before Intel, so in their defense they're just following precedent. But yes, outside of carefully tuned kernels (e.g. GEMM and FFT), you're not going to see a 2x speedup. But that's no different from many other ISA extensions.