CPU stress testing advice...

Dr. Spankenstein · May 7, 2008

Currently I am using two instances of Prime95 large, in-place ffts to test the CPU. Should I be using small ffts to check? Sould I just go with Orthos?

What are the standards that most go by in regards to small/large ffts and Priority level?

I'm currently @ 4.275GHz w/1.408V under load. VID is reported by CPU-z as 1.225.

Thanks guys!

Solaris17 · May 7, 2008

large fft's high priority level...i also like to use WMP while its doing it as music depending on sound card are processed through the cpu....and the diff algorythim it uses mixes it up a little.

suraswami · May 7, 2008

I run Orthos + Prime95 for maximum heat output. This will stress the cpu to the max. also I played games while these 2 programs are running in the background.

JC316 · May 7, 2008

Stress testing to me is not very important. So long as it will pass one instance of Prime 95 and a few hours of Crysis, I am good. Some people like to stress it to the point of cracking, I think that it's pointless and harms the chip.

Dr. Spankenstein · May 7, 2008

Great stuff! Thanks for the advice!

Keep it comin'...

intel igent · May 7, 2008

i just got my POS small/large FFT stable @ 3.6 :rolleyes:

i run them for about 6hrs each while running sPi and of course i torture it with a few solid hours of gaming. i do this mainly to check my temps/Vdroop :cool:

sometimes stress tests will fail but the system will still run your apps fine so take it with a grain of salt

Rurouni Strife · May 7, 2008

I usually run Orthos for 8 hours with whatever settings stress the entire system. That usually works for me.

HTC · May 7, 2008

When i was trying to discover my memory timings, i used this as a reference:

http://www.anandtech.com/cpuchipsets/intel/showdoc.aspx?i=3184&p=2

Hope it helps.

Dr. Spankenstein · May 7, 2008

Rurouni Strife said:
I usually run Orthos for 8 hours with whatever settings stress the entire system. That usually works for me.

Yeah, I kinda wanted to test the CPU separately first.
Then run Memtest86+, then stress the whole system w/games, transcoding or whatnot.

HTC · May 7, 2008

Dr. Spankenstein said:
Yeah, I kinda wanted to test the CPU separately first.
Then run Memtest86+, then stress the whole system w/games, transcoding or whatnot.

According to the link i posted before, it's the other way around: make sure the RAM works @ the target speed, then overclock the CPU to the desired speed and stress it.

Dr. Spankenstein · May 7, 2008

Sorry, didn't see that. We must have been poting simultaneously!

That does make more sense to proceed that way. I'll give it a go!

Thanks fellers!

HTC · May 7, 2008

Dr. Spankenstein said:
Sorry, didn't see that. We must have been poting simultaneously!

That does make more sense to proceed that way. I'll give it a go!

Thanks fellers!

It's best to make sure your problem isn't the RAM.

I was having crashes all the time but couldn't figure out what was the problem: turns out it was the RAM ... and the voltages i had on the CPU ...

Once i had the RAM problem fixed, it was MUCH easier to adjust my overclock.

Even though that link is for a QX9650 with a DDR3 motherboard, the same principle applies for all CPU / motherboards.

sneekypeet · May 7, 2008

Try running a loop of the 3D03, yes I said 03, CPU test. I could run 06 and pass at higher clocks than what is allowable by 03's standards!

Dr. Spankenstein · May 7, 2008

Thanks sneeky! THAT is the kind of info I'm taking about!

Muchas Gracias!

sneekypeet · May 7, 2008

I was in the winter wars OC competition at TRP forums, and it was one of the 5-6 tests we had to run....Look in my sig at the 06 run...got it stable and repeatable.

Tried running 03 and failed like 5 times , until I got the Oc down far enough to pass. IIRC was about 3.65GHz to pass 03 vs 3.9GHz for 06!

intel igent · May 7, 2008

sneekypeet said:
Try running a loop of the 3D03, yes I said 03, CPU test. I could run 06 and pass at higher clocks than what is allowable by 03's standards!

3DM03 was pretty heavy on the sys, a really good app IMO

:toast:

Processor	Intel C2D E8500 @ 4.25GHz (1.36V)
Motherboard	Gigabyte GA-X38-DQ6
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Processor	Intel C2D E8500 @ 4.25GHz (1.36V)
Motherboard	Gigabyte GA-X38-DQ6
Cooling	(Temporary) Tuniq Tower 120
Memory	2GB Transcend aXeram 1200+
Video Card(s)	HIS HD3870 CF Volt modded
Storage	3 Seagate 320Gb Barracuda in an Intel Matrix Raid array
Display(s)	Sony GDM-FW900 24" Widescreen CRT (a.k.a "The Shiznotch")
Case	Ultra Aluminus Full Tower
Audio Device(s)	onboard Intel HD audio
Power Supply	PC Power & Cooling Silencer 750
Software	XP MCE + Vista (HP) dual-boot

CPU stress testing advice...

Dr. Spankenstein

Solaris17

Super Dainty Moderator

suraswami

JC316

Knows what makes you tick

Dr. Spankenstein

intel igent

New Member

Rurouni Strife

New Member

HTC

Dr. Spankenstein

HTC

Dr. Spankenstein

HTC

sneekypeet

Retired Super Moderator

Dr. Spankenstein

sneekypeet

Retired Super Moderator

intel igent

New Member

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