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post #3451 of 6730
Ok iust thought I would stress the stem a bit and run Prime95 small fft's whilst the 3 cards were mining and this was the result.






As you can see the miners lost performance - could this be power related? or is to be expected?

Edit:the cards are usually hashing at 99% usage and at 720-730kh/s, when I ran Prime they dropped down 200-300kh/s.
Edited by daguardian - 1/24/14 at 3:58am
post #3452 of 6730

Blend is better because it stresses both the IMC and the CPU at the same time. I believe Small FFTs only stresses the CPU.

 

Also, which version of Prime95 do you have?

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post #3453 of 6730
OK will try a blend now instead.

Windows64,Prime95 v27.9,Build 1


Edit: just tried the blend and Prime 95 stopped working - no crash no BSOD, just a windows message saying prime95 has stopped working... guess my OC is not as stable as I thought eh-smiley.gif
Edited by daguardian - 1/24/14 at 4:07am
post #3454 of 6730
Quote:
Originally Posted by daguardian View Post

OK will try a blend now instead.

Windows64,Prime95 v27.9,Build 1

 

Ok good, 27.9. That's what I hope you were going to say.

 

So, you ran Small FFTs all day yesterday? I hate to say it, but if so, then it might not be stable yet. You can make Blend even more stressful by choosing Custom and then changing the amount of memory to use from 1600 MB to about 90% of your available memory. If you have 8 GB, then that would be about 7373 MB (7372.8). If your system isn't stable at the current overclock, then this will definitely show it.

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post #3455 of 6730
Quote:
Originally Posted by TwoCables View Post

Ok good, 27.9. That's what I hope you were going to say.

So, you ran Small FFTs all day yesterday? I hate to say it, but if so, then it might not be stable yet. You can make Blend even more stressful by choosing Custom and then changing the amount of memory to use from 1600 MB to about 90% of your available memory. If you have 8 GB, then that would be about 7373 MB (7372.8). If your system isn't stable at the current overclock, then this will definitely show it.

Sorry I should have been more specific.

I ran the two custom runs for SB first (1344k and 1792k FFTs ) using 90% of my available ram then the regular small fft for an hour then large fft for another hour then blend for about 4 hours.

Nevertheless I guess I will have to run some more Prime95 today.
post #3456 of 6730
Quote:
Originally Posted by daguardian View Post


Sorry I should have been more specific.

I ran the two custom runs for SB first (1344k and 1792k FFTs ) using 90% of my available ram then the regular small fft for an hour then large fft for another hour then blend for about 4 hours.

Nevertheless I guess I will have to run some more Prime95 today.

 

Absolutely because that's nowhere near enough, I'm sorry to say. Use the full Custom Blend test, and enter about 7373 MB of memory to replace the default 1600 MB value. If your system can run this for 24 hours, then it will get through all 82 of the FFTs at least one time each.

 

So, with Prime95, time is irrelevant. All you did with the Small FFTs is you got through the first 2-3 FFTs of the Small FFTs test. In the Large FFTs, you got through about the first 2-3 FFTs of that as well. Then in Blend, you got through about the first 5 or 6, maybe as much as 7. So, that's hardly a stress test. ;)


Edited by TwoCables - 1/24/14 at 4:21am
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #3457 of 6730
Quote:
Originally Posted by TwoCables View Post

Absolutely because that's nowhere near enough, I'm sorry to say. Use the full Custom Blend test, and enter about 7373 MB of memory to replace the default 1600 MB value. If your system can run this for 24 hours, then it will get through all 82 of the FFTs at least one time each.

So, with Prime95, time is irrelevant. All you did with the Small FFTs is you got through the first 2-3 FFTs of the Small FFTs test. In the Large FFTs, you got through about the first 2-3 FFTs of that as well. Then in Blend, you got through about the first 5 or 6, maybe as much as 7. So, that's hardly a stress test. wink.gif

Ok thankyou very much - in the custom blend do I leave the min @ 8 and the max @ 4096 for Min/Max FFT?

And the fields run fft's in place and time to run in minutes?
post #3458 of 6730
daguardian dont get hung up on thsoe 1344/1792 tests, they arent consistent.

Like twocabs said just do custom blend, leave 1.5GB of ram spare and test the rest. Leave that for at least 12 hours.
post #3459 of 6730
Quote:
Originally Posted by daguardian View Post


Ok thankyou very much - in the custom blend do I leave the min @ 8 and the max @ 4096 for Min/Max FFT?

And the fields run fft's in place and time to run in minutes?

 

Yeah, run the full test. Don't change anything else. Just select the Custom test, replace "1600" with "7373", start it, and then go watch TV or movies, or go hang out with friends, sleep, eat, etc. etc. After about 24 hours, check it and see how it's doing. Or, check it a few times during the 24-hour period to see if it's still going.

It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #3460 of 6730
@TwoCables thanks for replying. Feel free to drop by the thread i've started where shilka is helping me make a choice.
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