CPUs have much faster (2-5 cycles latency) and much more precise (<0.04% relativ...

		Const-me on Oct 28, 2019 \| parent \| context \| favorite \| on: Ask HN: What is the most beautiful piece of code y... CPUs have much faster (2-5 cycles latency) and much more precise (<0.04% relative error) version in hardware, since 1999: https://www.felixcloutier.com/x86/rsqrtps

I wonder which one used less energy in 1999?