3 ms·
Quake 2 was the one with the clever approximate inverse square root code, right? I wonder (especially since there’s an instruction nowadays to draw inspiration
by bee_rider 7mo ago
Quake 2 was the one with the clever approximate inverse square root code, right? I wonder (especially since there’s an instruction nowadays to draw inspiration from), can you implement it “in hardware,” so to speak?
- BoredPositron 7mo agoNo that was Q3 Arena.
- shakna 7mo agoIn x86 that would be the SIMD rsqrtps [0]. So absolutely possible to do at the hardware level. [0] https://www.felixcloutier.com/x86/rsqrtps https://www.felixcloutier.com/x86/rsqrtps