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Increasing folding performance on IB core i5 3570

post #1 of 15
Thread Starter 
I am folding on my core i5 3570 that I have overclocked to 4.5GHz @ 1.235v along with Samsung low voltage 1600MHz RAM and I have pushed the timings to
9-9-9-24. Finally, A HD 6850 that has it's core clock OC'd 900MHz and memory at 1125MHz) I have folded for a month, only stopping to apply updates. I usually get an estimated PPD rating of around 9000-10,000 (With Gigabyte HD 6850 in the mix as well) . Would pushing my RAM further (1800-2000MHz) make a big difference in my folding performance.?
post #2 of 15
The 6850 is using one of the cpu cores, so its only folding on 3 cores, My 2500k gets more ppd than my cpu and 2 7970's together so i quit using them.
    
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post #3 of 15
Yea drop the 6850 and just fold the cpu. Try pushing the ram to 1866 or 2133.
 
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post #4 of 15
Thread Starter 
I don't really see the point of using your GPU for folding if it actually bottlenecks your performance. I'm kind of confused as to why running both is an option in the client setup.
post #5 of 15
Without getting technical it only happens with Radeon cards due to how they run. If you had a nvidia gpu you wouldn't see the loss in performance from running both; since nvidia cards due to how they run require very little cpu usage.
 
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post #6 of 15
Quote:
Originally Posted by PR-Imagery View Post

Without getting technical it only happens with Radeon cards due to how they run. If you had a nvidia gpu you wouldn't see the loss in performance from running both; since nvidia cards due to how they run require very little cpu usage.

There is a loss but not as dramatic. My 3570k at 4.6ghz drops from 24000 PPD to ~18000 PPD folding a single GTS 450, when I add in a second GTS 450 it drops to around 12000 PPD.

OP: Crank that memory up as well. I run my samsung sticks at 9-10-10-28-1T at 1.415v and 2200mhz. You may have to fiddle more with secondary/tertiary timings if you go above 2133mhz on them though. If you're only running 1600mhz you better be at Cas 8 or lower, no point in running capable RAM like that at stock bargain basement RAM speeds and timings (9-9-9-24 is pretty much "average" for 1.5v RAM).
post #7 of 15
^True but nowhere near as big a drop was more the point. Tho I haven't really noticed any change in ppd with any of my past rigs.
 
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post #8 of 15
Native Ubuntu will give you up to 10k ppd more then windows. My 3570k is a dedicated folding rig for tc and its a beast. Its at 4.8 ghz at 1.35 vcore (with an h100) with the good samsung ram at 2133 mhz and runs v7 in native Ubuntu 10.10. In v7 the daily points fluctuate dramatically but so far Ive averaged ~30k ppd this month, but ive had some days over 50k ppd.
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The main rig
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The Wife's Rig
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minecraft box
(9 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7 3770K at 4.5ghz Asus z77 Maximus V Formula evga NVIDIA GeForce GTX 780 Classified Samsung "Wonder Ram" 8gb (4x2) @ 1866 mhz 
Hard DriveHard DriveHard DriveOptical Drive
ocz vertex 4 256 gb ssd Western Digital cavier green hdd 1tb Sea Gate 1.5 tb hdd Samsung External Blue Ray Writer 
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post #9 of 15
Thread Starter 
I have reinstalled the client and choose SMP (only). It's been running for about 20 minutes now and the PPD reading is only 6800 at the moment. Will it go up over time?
post #10 of 15
Quote:
Originally Posted by labnjab View Post

Native Ubuntu will give you up to 10k ppd more then windows. My 3570k is a dedicated folding rig for tc and its a beast. Its at 4.8 ghz at 1.35 vcore (with an h100) with the good samsung ram at 2133 mhz and runs v7 in native Ubuntu 10.10. In v7 the daily points fluctuate dramatically but so far Ive averaged ~30k ppd this month, but ive had some days over 50k ppd.


I wish that were true for 6.34 clients, between windows and Ubuntu I have the exact same PPD. I might have to try the new v7 client this weekend.
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