Hint: It's not!
Even with the 0.5-tick delay that CPU-GPU communication might generate, you still don't get close to the performance capability of MMX/SSE.
Do you think those GPU-based 10-minute WEP password crackers would be possible with a delay as huge as you're assuming?
We had some hefty discussions about this very topic when I was working on the Voxlap port with Sonar and Cajun.
except that it's not executed on the gpu.
get a clue what you are talking on before continuing to troll everywhere, and if you do it atleast use real facts not your dreams.
Rule of thumb for anyone that thinks they know something: Never get into an argument with learn_more, UnrealIncident, GreaseMonkey, FaultCheck or Thalagyrt, otherwise you will be made a fool of. :) gg vlad
OT: I had a conversation with Ben about this back when he got on the Minit mumble and he said that the game uses an older version of DirectX not used in newer OS's. Try to install as earlier of a version of it you can. Probably DirectX 9b or a. This has helped me somewhat in the past. :P