[RC5] Idea

The Man theman at fallout.dyndns.com
Sat Nov 22 01:02:44 EST 1997


Nathan Blomquist wrote:

> Does the client take all of th CPU cycles even if it is set on the lowest
> priority, if there are no other programs running?
> 
> Sorry if this is a dumb question, but that is what he really wants to know.

Scheduling depends on the OS. Since there are ALWAYS other programs running
(at minimum the kernel and init and a few other things), the client can't
possibly use ALL the time. How much time the other "idle" processes take
depends on what they are and what OS you have. If you have an awful
scheduler like Windoze, you might only get 97% usage or some such number,
even if nothing else appears to be running. Or if, like most *x boxes, even
during idle time you receive mail, listen to ports, etc., these processes
need SOME time, however little, and you won't get 100%. Setting the priority
higher might get you anywhere from .1 to maybe 10% more, depending on what
exactly you're running. But the client will never use all 100%; the simplest
explanation being that the operating system would starve, a behavior which
is hopefully prohibited.

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Keith Wesolowski		theman at fallout.dyndns.com
University of Nevada - CS/EE	Visit Reno's Fastest Computer!!!
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