Quote from s3rius: Go
Negative. That is frame-rate dependend. If you're running the game on 16fps then it'll be updated every 0.0625. Mostly you're running on much higher speeds though. If it was only 16fps then the game would look crappy. Animations were chunky, etc.
Are you sure? Most games I've heard of have a fixed-length physics step for stability. And there's no way that SC2's update step is frame-rate dependent in multiplayer, since it's entirely deterministic. For a game that runs in lockstep, I think a 62.5ms physics update step is entirely reasonable, especially without a gameplay-related physics simulation.