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Former Member
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Correct CPU Rating?

I have an Intel P4 3.0GHz, and in the Device Information box, the Comparison Device is a P4 1.5GHz, which has the "100" in the box next to it, but how come my P4 3.0GHz also only has "100" in the box? Shouldn't it be something like "200"?

I mention this because I'm running WCG as I type this and yet my CPU usage hovers around 50%.
[Nov 17, 2004 2:03:21 AM]   Link   Report threatening or abusive post: please login first  Go to top 
Former Member
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Re: Correct CPU Rating?

Yeah... it's a bit whack

I have a 2.8 GHZ P4 and it says 100 also... just ignore it

On the other hand, the overall rating is very informative. I have a 137 compared with a "high end system" at 100.

Very cool, glad to take part.
[Nov 17, 2004 2:44:44 AM]   Link   Report threatening or abusive post: please login first  Go to top 
Former Member
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Re: Correct CPU Rating?

Athlon 3200+ Newcastle, and I get the same thing. It ain't you =) I have the same thing with the 137 despite 1gb ram - i have the feeling that "rating" system isn't very robust at this point. But who's counting?
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Re: Correct CPU Rating?

Same here, I've got a couple of dual xeon boxes (3.06's@800fsb and 2.8's@533fsb 2.4's@533fsb and 1.26's@100fsb) and they don't rate much higher than the high end system. Haven't tried my new athlon 64 3500 desktop though yet...

Also, I notice that it is not really multithreaded, nor does it take any advantage of hyperthreading.

Too bad...
[Nov 17, 2004 5:57:25 AM]   Link   Report threatening or abusive post: please login first  Go to top 
Former Member
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Re: Correct CPU Rating?

I think the Comparison Device is a fictional computer the program is comparing yours with to give you the rating, something like a benchmark
score.
[Nov 17, 2004 5:58:40 AM]   Link   Report threatening or abusive post: please login first  Go to top 
Alther
Former World Community Grid Tech
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Re: Correct CPU Rating?

I have an Intel P4 3.0GHz, and in the Device Information box, the Comparison Device is a P4 1.5GHz, which has the "100" in the box next to it, but how come my P4 3.0GHz also only has "100" in the box? Shouldn't it be something like "200"?

I mention this because I'm running WCG as I type this and yet my CPU usage hovers around 50%.


The CPU detection is a UD limitation. Their grid agent does the same thing.

However, the 50% CPU utilization is easy to explain. You have hyperthreading enabled and it tricks Windows into thinking you have two processors. We only use one at full capacity (even on a true SMP machine) so thus you'll see your CPU utilization is at 50% for Intel chips with hyperthreading enabled.

- Rick Alther
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Rick Alther
Former World Community Grid Developer
[Nov 17, 2004 6:14:45 AM]   Link   Report threatening or abusive post: please login first  Go to top 
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Re: Correct CPU Rating?

This will change as you complete more work units. After 2 work units it rates my system at 194.

3500+
[Nov 18, 2004 1:57:29 AM]   Link   Report threatening or abusive post: please login first  Go to top 
jochrupp
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Re: Correct CPU Rating?

Correct! This value will be calculated the first time you've finished a workunit.
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[Nov 18, 2004 10:14:16 PM]   Link   Report threatening or abusive post: please login first  Go to top 
Psychos
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Re: Correct CPU Rating?

I use 10 identicals PC, just clone. Same components, same configuration (2600+, 512mb ram, 80go hd etc).

CPU rating is diff for each pc :) 100 to 149.
I have 150 with another PC (3200+, 1gb ram).
[Nov 19, 2004 9:09:02 AM]   Link   Report threatening or abusive post: please login first  Go to top 
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