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Forums > Quake 3 Forum

q3 using 99% cpu (21 comments)

( Forum: Q3)

Posted by BalkanFM @ 21:42 CDT, 23 June 2008 - iMsg

even when only in the starting menu q3 is using 98-99%cpu, so ingame im geting fps dips, but if i uncap max fps, it goes around 300 and never going below 200.
tryed with cnq3 and q3.exe, different mods, erased my q3config trying with the default, reinstaled q3, scaned for spyware and all that... reinstaled all the drivers.. tryed system restore...

tryed quakeworld, and its runing smooth, using like 10%cpu

im on athlon 3000, radeon x800xl, 512 ram, xp...

before i format, anyone have an idea how to fix this?

Edited by BalkanFM at 21:43 CDT, 23 June 2008 - 7381 Hits

<< prev Q3 thread || next Q3 thread >>

<< Comment #1 @ 03:39 CDT, 24 June 2008 >>

By

Anonymous (h143.164.213.151.dynamic.ip.windstream.net)

The CPU usage is normal. I also have the issue with the fps dips, though, and my computer is similar. :| It wasn't always like this, though.

For reference, I have an nvidia 7900GS and twice the ram.

<< Comment #2 @ 07:12 CDT, 24 June 2008 >>

By

baron Railgun :

this is what I call a dedicated to the cause CPU!!
:P

<< Comment #3 @ 08:28 CDT, 24 June 2008 >>

By

toifel - Reply to #2

this is what I call a totally useless reply!!
:P

<< Comment #5 @ 20:16 CDT, 24 June 2008 >>

By

baron Railgun : - Reply to #3

I ment his CPU is totally devoted to quake3

<< Comment #4 @ 09:00 CDT, 24 June 2008 >>

By

BalkanFM

well i dont belive the cpu usage is normal, im not sure, but i think i remember q3 using much less cpu, and all other games never go as high, when q3 is at 99% when in the starting menu doing nothing...

<< Comment #6 @ 20:33 CDT, 24 June 2008 >>

By

baron Railgun :

when I'm watching ZeRo4 demos q3 use 150% cpu

<< Comment #7 @ 20:39 CDT, 24 June 2008 >>

By

Derb_

i'm in a hurry, but i can tell you that 99 cpu usage is riduculoua

<< Comment #8 @ 05:08 CDT, 25 June 2008 >>

By

Twist` - Reply to #7

RIDUCULOUA!!!!

...yells Harry whilst pointing his magic wand towards Voldemort

Edited by Twist` at 05:09 CDT, 25 June 2008

<< Comment #9 @ 15:14 CDT, 25 June 2008 >>

By

injx

its normal. it will max out whatever core it is running on - so if you have a single core it will be ~100, and for dual core will be ~50 etc.

it's not actually doing anything between frames except waiting for the next frame to begin, but the process doesnt sleep, it keeps hammering the cpu.

see here for an exe that supports sleeping between frames:
http://www.esreality.com/?a=post&id=1565939

using that exe my cpu goes from 50% to 1% on my dual core.

<< Comment #10 @ 21:12 CDT, 25 June 2008 >>

By

BalkanFM - Reply to #9

thx for your reply

tryed it but its still at 100% and causing fps dips, so i guess formating is the only thing left

<< Comment #11 @ 22:09 CDT, 25 June 2008 >>

By

injx - Reply to #10

if you use that exe, you have to set com_yieldcpu 1. did you do that?

<< Comment #12 @ 00:04 CDT, 26 June 2008 >>

By

tom - Reply to #11

this might be a dumb question but will this reduce battery usage on my laptop?

<< Comment #14 @ 04:07 CDT, 26 June 2008 >>

By

injx - Reply to #12

i'd imagine so, but i'm not an expert on these things

<< Comment #15 @ 11:53 CDT, 26 June 2008 >>

By

tom - Reply to #14

i thought you knew everything!

<< Comment #16 @ 22:56 CDT, 26 June 2008 >>

By

arQon - Reply to #12

very unlikely. i doubt laptops have millisecond speedstep times.

what it COULD conceivably do, albeit to a very small extent, is help with HEAT, so on reflection I may consider it after all.

<< Comment #17 @ 00:34 CDT, 27 June 2008 >>

By

tom - Reply to #16

but i quite like gentle warmth on my lap

<< Comment #18 @ 03:37 CDT, 27 June 2008 >>

By

arQon - Reply to #9

> it will max out whatever core it is running on

hrm - seems this isn't true, tho it certainly USED to be.
CNQ3 uses about 38-40% CPU on my box, and that's with a 200fps PMX client and a 25fps PMX server both running.

<< Comment #19 @ 06:07 CDT, 27 June 2008 >>

By

injx - Reply to #18

interesting, i get 50% utilisation by the client at any framerate, and approx 0% by the server, using pmx/cnq3 and dual core of course.

<< Comment #20 @ 16:40 CDT, 27 June 2008 >>

By

arQon - Reply to #19

Yeah - I KNOW I used to, as recently as a month or two ago. Seems something's changed in 1.43, but I have no idea what. Am trying to track it down now. :)

<< Comment #21 @ 23:24 CDT, 27 June 2008 >>

By

arQon - Reply to #20

aha!
a LISTEN server uses 50%.
a client with a REAL server, even if running on the same machine, uses about 40% for the client and basically nothing for the server.

the "real" setup actually sleeps in the server thread, but listens just constantly spin there.

<< Comment #13 @ 03:14 CDT, 26 June 2008 >>

By

Incentivise your CPU to put forth 110% and you'll succeed in overcoming your 'challenge'.

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