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Prime 95 users... i have a quick question.

I

Its2Hot

Weaksauce
Joined
Jul 14, 2003
Messages
75
What does the small FFT torture test stress? The one that doesn't test the ram much. i failed the test in less than 2 hours.
 
Doesn't it test the L2 cache?.. not sure.. but I'm performing that same exact test on my desktop right now.. i'm on a laptop right now
 
small FFT should stress primarily the FPU, they also involve heavy CPU cache access, typically L2.
 
I think he wants to what is wrong with his CPU then? When you fail that test what does mean?.... i'm curious to know myself.. what does it mean when you fail that test? Bad CPU?
 
i think it stands for Floating point unit?... i don't know.. someone answer this persons question!:)
 
Small FFTs place a lot of stress on the CPU's FPU, the floating point unit. The FPU performs floating point calculations (calculations on real numbers with fractional parts, like 3.3. Also, 3.0 is a floating point number whereas 3 is just an integer).

If you're overclocking, ease back on the overclock. If you're at stock everything, then you might have a bad CPU.
 
i upped the voltage .25 from 1.65 and i haven't gotten an error for almost 3 hours, cool i guess.
 
But were you overclocking? If not, then upping the voltage is just masking the problem. If you were overclocking, then it looks like it did need more voltage.

I'm assuming Athlon?
 
Originally posted by Its2Hot
i upped the voltage .25 from 1.65 and i haven't gotten an error for almost 3 hours, cool i guess.
Click to expand...

Just make sure you do it more than 3 hours... 3 hours is nothing for prime
 
Prime can be a good thing, but it isnt the be all end all.

If you arent expieriencing any other problems, such as lockups/crashes etc then i personally wouldnt worry about it.
Thats just my opinion. From what i hear though youll want to stay away from distributed computing projects.

Anything from heat to memory problems can cause prime issues.
 
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