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Old January 9, 2012, 04:57 PM
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Hi... new to the boards..

I picked up a few AMD cpus and didn't know what I should be using to get maximum ppd..

I have the following parts

4x AMD Opteron 6272 - 2.4 GHz Sixteen Core <-- Interlagos
2x AMD Opteron 6174 - 2.2 GHz Twelve Core <-- Magny-Cours
8x AMD Opteron 6134 - 2.3 GHz Eight Core <-- Magny-Cours
1x SUPERMICRO AS-4042G-6RF barebone 4P g34 server..
4x Kingston 16gb ECC DDR3 memory (2x8gb kits)
8x Kingston 4gb ECC DDR3 memory (2x2gb kits)

My original plan was to go 64 cores (using the 6272s) with 64gb of RAM.. but I read that the MC will do better job? will the 32 MC cores be faster or equal to 64 IL cores?

I am also concern about heat and watt draw.. since I will eventually have 3x 4p servers running.. I can sell the IL now for a good price (enough to get a second barebone) and use 2x 4p MC ??

I guess now I can go with the 32gb in quad channel in the 4p.. probably can get away with going dual channel on the 2p

-joe

Last edited by jtktam; January 10, 2012 at 05:10 PM. Reason: new parts
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Old January 9, 2012, 07:20 PM
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Thread moved to the Folding @ Home forum, where it will get the proper exposure. I can't advise you on 2P/4P solutions, but there are others on here who can.
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Old January 9, 2012, 07:20 PM
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I think that there is some statistics ( but I am not totally sure ) in this part of the Forums here HardwareCanucks F@H Team - Hardware Canucks
aw shows you how slow I am at typing threat was moved to the right forum
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Old January 9, 2012, 08:03 PM
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Clock for clock the IL is faster then the MC, but it's not proportional to the core and wattage increase. So if the goal is the highest ppd per rig a faster il would be better then mc but it's going to draw more power.

Someone also said 64core folding leaves something t o be desired and it would be better to do 2x32core instead, dunno 48core seems fine to me. And you're not going to need 64gb of ram, I haven't seen my rig use more then 4.5gb, but I know first hand 1gb sticks are hard to find, so the cheapest lowest latency sticks you can find will do, quad channel 16 sticks.

Either way that kinda horsepower listed should get you ontop of the ppd list, climbing the point ladder very quickly.
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Last edited by 4DoorGTZ; January 9, 2012 at 08:11 PM.
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Old January 10, 2012, 02:53 AM
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Originally Posted by 4DoorGTZ View Post
Clock for clock the IL is faster then the MC, but it's not proportional to the core and wattage increase. So if the goal is the highest ppd per rig a faster il would be better then mc but it's going to draw more power.

Someone also said 64core folding leaves something t o be desired and it would be better to do 2x32core instead, dunno 48core seems fine to me. And you're not going to need 64gb of ram, I haven't seen my rig use more then 4.5gb, but I know first hand 1gb sticks are hard to find, so the cheapest lowest latency sticks you can find will do, quad channel 16 sticks.

Either way that kinda horsepower listed should get you ontop of the ppd list, climbing the point ladder very quickly.
Since I haven't actually started the built and I am waiting for the 4x NH-U9DO A3 to come in, I really want to nail this down

I had ordered the 4xIL before I found the deal on the 8xMC, that's how I ended up with a dozen CPUs :P

The memory I got, they are on the tested memory list for the supermicro board and they are DR, all of the ECC memory I seen are about $10/gb regardless of size.. I have to see if the board will run stable on dual channel though.. since I only have 4 kits

What kind of PPD you getting on your quad rig?

-joe
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Old January 10, 2012, 07:19 AM
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wow thats a nice cache of CPUS (if ever you need to unload the 2x AMD Opteron 6174, i am in the market for 2...... for my Project “Folder Holder” - Custom Open Air Bench for a 2P 24/7 Folder) Fold on and welcome.
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Old January 10, 2012, 07:55 AM
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wow thats a nice cache of CPUS (if ever you need to unload the 2x AMD Opteron 6174, i am in the market for 2...... for my Project “Folder Holder” - Custom Open Air Bench for a 2P 24/7 Folder) Fold on and welcome.
probably not the 6174s since I am saving those for my ASUS board..

I am looking to rid the IL set though.. it's a matched tray of 4..

-joe
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Old January 10, 2012, 08:20 AM
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Originally Posted by jtktam View Post

What kind of PPD you getting on your quad rig?

-joe
4DoorGTZ[HCF] - User Summary - EXTREME Overclocking Folding @ Home Stats

Looks like between 400kppd and 600kppd depending on wu mix.

You will take a performance hit only running dual channel, I saw a performance bump of about 3% going from CL9 to CL7 both in quad channel.
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Old January 10, 2012, 08:27 AM
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Originally Posted by 4DoorGTZ View Post
4DoorGTZ[HCF] - User Summary - EXTREME Overclocking Folding @ Home Stats

Looks like between 400kppd and 600kppd depending on wu mix.

You will take a performance hit only running dual channel, I saw a performance bump of about 3% going from CL9 to CL7 both in quad channel.
I made a mistake ordering the ram.. got 4 kits of 2x8gb instead of 8 kits of 2x4gb ..

so I will probably use the 4 kits in my asus build up and buy the 8 kits (ouch)

-joe
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Old January 10, 2012, 09:00 AM
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Quote:
Originally Posted by jtktam View Post
probably not the 6174s since I am saving those for my ASUS board..

I am looking to rid the IL set though.. it's a matched tray of 4..

-joe
Yeah i think the IL will be a stretch out of my Price range (plus i'm only building a dual headed monster, A quad socket board would eat most of my budget)
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