Here's an outstanding article that goes into the nuance of actually achieving floating point determinism: http://gafferongames.com/networking-for-game-programme

Here's an outstanding article that goes into the nuance of actually achieving floating point determinism: http://gafferongames.com/networking-for-game-programmers/floating-point-determinism/ http://gafferongames.com/networking-for-game-programmers/flo... My takeaway: It's hard enough that I'm probably never going to attempt to implement lockstep simulation, and if I was forced to I'd probably do everything in fixed point for my own sanity.