Anyone know why this game would take up so much cpu?

Apr 21, 2004
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When I run starcraft a game that requires a 90mhz cpu to run takes up 99% of my cpu. I'm running a 2500 barton 512 3200 ram. Had that Welchia worm which made the % messed up but I got rid of it and it was working fine again cpu usage staying around 2-5 except when I open starcraft. Anyone know why?
 

LeftSide

Member
Nov 17, 2003
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All games run at 100% cpu. It just works like that, Im not a programmer so I dont know why, but thats just the way it is. Its not really using *all* of your processor, just all of the cycles. If you ran a cpu intensive process in the background, I bet you couldn't even tell a difference in the game play. I have a laptop with powernow (1800+ @ 1.53) it will make the processor jump up to 1.530Ghz when I run starcraft, I have to manualy set the speed to 500mhz to save battery life. The game runs the same tho.
 

zephyrprime

Diamond Member
Feb 18, 2001
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Its not really using *all* of your processor, just all of the cycles
Well, in some sense, no program uses all of your processor.

Game programs are just running in a big loop that runs through the things it needs to do every frame. But the thing is, and I guess this is a throwback to the DOS days, even if all the requirements of the loop are met at a particular moment in time, the loop will just keep looping until the video or whatever it's waiting for happens. This isn't true fall all games. I guess if you have vertical sync off, then the game will really be generating a ton of frames. Some of which may never even be drawn.