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Low TPF with -bigadv...

post #1 of 11
Thread Starter 
Hi, I'm running a 6900 WU on my 2600k clocked at 4.5GHz. I ran the WU overnight and it looks like my TPF is about 30 minutes...

This seems awful. Did I mess something up in the configuration or something, or is this normal?

Thanks,

5
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post #2 of 11
We need a little more info to help you. Can you tell us if your running Windows or Linux? Whats your memory speed at? Is it a dedicated rig? To me it almost sounds like you are using Windows with slower memory(1600 Mhz) and that will explain the high TPF(not low).
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post #3 of 11
Thread Starter 
Quote:
Originally Posted by Desert Rat View Post
We need a little more info to help you. Can you tell us if your running Windows or Linux? Whats your memory speed at? Is it a dedicated rig? To me it almost sounds like you are using Windows with slower memory(1600 Mhz) and that will explain the high TPF(not low).
I'm using an Ubuntu VM on Windows 7 x64.

My RAM is only running at 1333 MHz due to instability in my system while it runs at 1600.
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post #4 of 11
Quote:
Originally Posted by 5outh View Post
My RAM is only running at 1333 MHz due to instability in my system while it runs at 1600.
There's the reason. Corsair ram strikes again. I've had problems with my Corsair ram not being stable as advertised, although it was timings and not speed.
post #5 of 11
Thread Starter 
Quote:
Originally Posted by mach1 View Post
There's the reason. Corsair ram strikes again. I've had problems with my Corsair ram not being stable as advertised, although it was timings and not speed.
So, what do you suggest I do about this?

smp 8 in Windows gives me about 20k PPD, seems like -bigadv will actually give me less...
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post #6 of 11
What's your vqpi? If it's your sig rig, you'll have an easier time if you take out half of it. 2 sticks is easier for the memory controller than 4. It depends though if it's really the memory or the IMC. I would have thought a 2600K IMC could handle 1600 easy though. Memtest should tell you if the sticks are bad without stressing the IMC as much as bigadv does.
     
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post #7 of 11
I know for sure that the memory is an issue that will kill your TPF. Im sure your TPF would be 2-3 min lower if you had 2133 memory. To give you an idea my 2600k Windows server will do around 26 min TPF running at 4.6Ghz with 2133 mem. Maybe others can help with the VM part of this. Any issues with that can affect your TPF.
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post #8 of 11
I had my 2600k runing VM for the past two days and just been having problem with it.So decided to just fold in window smp.I was also running TDF at around 25-30 mins.Seems normal to me.Right now my TDF on windows is about 30 mins.
    
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post #9 of 11
I'm getting a little over 21 minute frame times on my 2600k @ 4.8 with 2133 ram. Linux is more efficient than windows and faster ram will definitely help.
post #10 of 11
Thread Starter 
Quote:
Originally Posted by stren View Post
What's your vqpi? If it's your sig rig, you'll have an easier time if you take out half of it. 2 sticks is easier for the memory controller than 4. It depends though if it's really the memory or the IMC. I would have thought a 2600K IMC could handle 1600 easy though. Memtest should tell you if the sticks are bad without stressing the IMC as much as bigadv does.
vqpi? 1.5v I think, if we're talking about the same thing (I'm new to the RAM settings in the BIOS, so I'm not sure if that's correct, but that's the voltage). I'll take out two sticks and see if I can get it running at 1600MHz. Thanks.

Quote:
Originally Posted by Desert Rat View Post
I know for sure that the memory is an issue that will kill your TPF. Im sure your TPF would be 2-3 min lower if you had 2133 memory. To give you an idea my 2600k Windows server will do around 26 min TPF running at 4.6Ghz with 2133 mem. Maybe others can help with the VM part of this. Any issues with that can affect your TPF.
Hmm, yeah, I'll try testing the memory. Thanks!
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