Fast Inverse Square Root — A Quake III Algorithm

The Fast Inverse Square Root -- 0x5f3759df explained!!

The Truth about the Fast Inverse Square Root on the N64

REVEALED: Quake III's SECRET Algorithm!

Prime React: Fast Inverse Square Root — A Quake III Algorithm

REVEALED: The Quake III Secret Algorithm! Part 2

The Truth About The Fast Inverse Square on N64 | Prime Reacts

Someone improved my code by 40,832,277,770%

This Algorithm is 1,606,240% FASTER

World's Fastest Square Root: Newton's Method

Fast Inverse Square Root Enigmatic Code

Fast Inverse Square Root - Friday Minis 246

Clever Code: Fast Inverse Square Root

Do you know what is Fast inverse square root

Building an Inverse Square Root House

My 3D demo-18: artifacts of using Quake III Q_rsqrt() in raytracer

Fast Inverse CSE331

Implementing the Inverse Square Root

Math or Game Developers - Fast Inverse Square Root

C++ : Fast Inverse Square Root on x64