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12core AMD ppd?

post #1 of 23
Thread Starter 
Hey guys.
Just curious about the ppd from the 12 core amds, and specifically if/how to set up big adv on a quad processor board.
Sorry for a potential needless forum, its late and the search feature is not my friend in this state.
Thanks!

EDIT**
Let me rephrase and expand on the intent of the post:
Assuming unlimited budget, but maximizing efficiency (only 1 machine, and lowest kWh/ppd) would this setup meet that goal?
Further thoughts expansion http://www.overclock.net/overclock-n...l#post13547109

EDIT/UPDATE2**
So I used search (google). Poking around on hard forums there seem to be more then a few guys running bigger setups then this with clusters. Seems the CPU limit is 48 or 64 cores so no problem there.
PPD I'm still not sure of?
Just looking for information...
I still would love to hear any more info on the subject about the best $/ppd kWh/ppd rig but think I'm gonna call it a night with a job in 6 hours.
Edited by mrwesth - 5/18/11 at 1:57am
post #2 of 23
O_o are you talking about an opteron 12 core?
    
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post #3 of 23
Not much considering the low clock speeds.

If you manage to overclock them (a buddy at XS did) to... let's say 3.4GHz, they would freaking destroy everything.
   
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post #4 of 23
Thread Starter 
Well yes.

Again to clarify:
What ppd production would a quad socket amd server board with 4x 12 core cpus output? Assuming this cpu .
What kind of memory requirements would each cpu need for f@h?
What psu set up (single, multiple etc) would work best running 4 cpus @ 115W/each?
And how would one set up the f@h clients? Would you need 4 separate clients or could 1 client work all 48 cores?
post #5 of 23
Quote:
Originally Posted by mrwesth View Post
Well yes.

Again to clarify:
What ppd production would a quad socket amd server board with 4x 12 core cpus output? Assuming this cpu .
What kind of memory requirements would each cpu need for f@h?
What psu set up (single, multiple etc) would work best running 4 cpus @ 115W/each?
And how would one set up the f@h clients? Would you need 4 separate clients or could 1 client work all 48 cores?
1.) I suggest to take a look here:
Foldingforum Frame times A5 core

His cpu is running at 2,9Ghz 4 x 12 cores. I suppose you can hit around 200k per day, if you're using Linux native folding.

2.) F@H does not use that much memory, since AMD chips like lower timings more then higher speeds I suggest that to take into account. 4GB per cpu would be enough I think...

3.) A high quality PSU is a must, at least with some 4 pin connectors. I'm no psu guru so I can't really help you with that.

4.) You can use 1 client, A5 with -bigadv to have the maximum PPD/watt. If all the cores are used you can take a better advantage of the bonus on -bigadv units.
Edited by Stef42 - 5/18/11 at 1:25am
post #6 of 23
TOO MUCH POWER!

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post #7 of 23
Thread Starter 
Quote:
Originally Posted by Stef42 View Post
1.) I suggest to take a look here:
Foldingforum Frame times A5 core

His cpu is running at 2,9Ghz 4 x 12 cores. I suppose you can hit around 200k per day, if you're using Linux native folding.

2.) F@H does not use that much memory, since AMD chips like lower timings more then higher speeds I suggest that to take into account. 4GB per cpu would be enough I think...

3.) A high quality PSU is a must, at least with some 4 pin connectors. I'm no psu guru so I can't really help you with that.

4.) You can use 1 client, A5 with -bigadv to have the maximum PPD/watt. If all the cores are used you can take a better advantage of the bonus on -bigadv units.
I wonder how much memory would be required for bigadv @ 48 cores though. It does seem to be an issue at 100% on those high cpu systems.
post #8 of 23
I know this doesn't answer your question in any way, but if you have that kind of money, wouldn't it be cheaper to build an Intel/Nvidia folding rig that'll most likely net your more PPD than the Magny Cours could? Just sayin'...
 
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post #9 of 23
Quote:
Originally Posted by mrwesth View Post
I wonder how much memory would be required for bigadv @ 48 cores though. It does seem to be an issue at 100% on those high cpu systems.
Source? Most of people on the forum use 32GB of memory, I don't think FAH will hit above 8GB. Normal smp units use only ~100-200MB.

Quote:
Originally Posted by onoz View Post
I know this doesn't answer your question in any way, but if you have that kind of money, wouldn't it be cheaper to build an Intel/Nvidia folding rig that'll most likely net your more PPD than the Magny Cours could? Just sayin'...
That's true, but you'll have to make more then 1 computer to match 4 of these CPU's. Even then, GPU's are fast but the CPU's he is suggesting for bigadv have a higher PPD/watt.
post #10 of 23
Quote:
Originally Posted by onoz View Post
I know this doesn't answer your question in any way, but if you have that kind of money, wouldn't it be cheaper to build an Intel/Nvidia folding rig that'll most likely net your more PPD than the Magny Cours could? Just sayin'...
this (kinda)

Most efficient (capital cost & power consumption) way to fold currently is single socket i7 2600K systems, SMP -bigadv, no GPU folding (too low PPD/W). Little point building anything else - SR2s etc are just too expensive, and you can build multiple 2600k rigs instead.
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