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Prime 95 small FFT's error out....

B

bjc112

Lifer
:Q

Seems strange to me, I can run the In-Place Large FFT's for 24 hours without issue, but run the small FFT and it will error out within the hour?

Anyone experiencing this?


I am also getting lockups in games related to my 6800GT. Duvie possibly thinks it's power, but I think it's just related to the GPU itself..

COmment!?!?!

I backed down to 294x9 just to see what happens in Small FFT, I should be able to pass either one...
 
I thought it was power when you said all of your 3d apps would crash and this was like your 2nd or 3rd GT....

The large FFT should crash if the small one does and it is related to power....I would think perhaps its the speed and the cache...Did you run memtest86+ and make sure the cache was on always???
 
Originally posted by: Duvie
I thought it was power when you said all of your 3d apps would crash and this was like your 2nd or 3rd GT....

The large FFT should crash if the small one does and it is related to power....I would think perhaps its the speed and the cache...Did you run memtest86+ and make sure the cache was on always???
Click to expand...



I ran memtest, but I don't know if the cache was always on..

What does that affect?

Could it be a possible software issue if the SmallFFT are crashing, but the large are not!?
 
In normal instances I may ingnore it if you were passing memtest, prime95 large and not having any 3d app or crashing of any kind...but there is obviously a problem and the gpu cannot be blamed for the small FFT failure IMO....I always run with cache on in the bootup version of memtest...

The fact is I have seen FFT large pass and when running intense 3d games or gpu intensive apps have an error....The fact is the most complete system test needs to include (especially for gamers) looping of 3dmark for several hours along with prime running in the background to insure the cpu stays 100% loaded...
 
Originally posted by: Duvie
In normal instances I may ingnore it if you were passing memtest, prime95 large and not having any 3d app or crashing of any kind...but there is obviously a problem and the gpu cannot be blamed for the small FFT failure IMO....I always run with cache on in the bootup version of memtest...

The fact is I have seen FFT large pass and when running intense 3d games or gpu intensive apps have an error....The fact is the most complete system test needs to include (especially for gamers) looping of 3dmark for several hours along with prime running in the background to insure the cpu stays 100% loaded...
Click to expand...

Swithced my 6800GT for an X850XT, have not experience any issues as of yet!

Looped 3dmark for at least 2 hours..
 
Good...But I can t see how this would cause the system to fail prime small FFT and not large FFT...I can understand this solving the 3d crashes and by that want crap this Nvidia 6800 GTs must be to have that may bad ones....
 
Originally posted by: Duvie
Good...But I can t see how this would cause the system to fail prime small FFT and not large FFT...I can understand this solving the 3d crashes and by that want crap this Nvidia 6800 GTs must be to have that may bad ones....
Click to expand...


The small FFT is weird, running that now and will report back with what happens.
The Thread here

Shows almost the same symptoms as mine, with hundreds of different configs..

My PSU rails are still the same with the x850xt, so I assume power isnt an issue.

i will also try and loop memtest with the cache on and see what happens!

Thanks for the helP!

Bryan!
 
i thought large fft was more stressful to the memory while small ffts was more sensitive to clockspeed overclocking...

i always run small fft's for cpu and memtest for memory...
 
Originally posted by: Shimmishim
i thought large fft was more stressful to the memory while small ffts was more sensitive to clockspeed overclocking...

i always run small fft's for cpu and memtest for memory...
Click to expand...

I dont know for sure...I like large to test the cache and to stress power and thermals the most, but I have heard many like small just as much...I run both....I like large for 4-6 hour range and small for like 24....Theone thing I know is I dont like blended and I run memory testing through other apps....
 
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