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post #21 of 27
Is this purely for folding? Or do you need an actual OS to work on the machine? If you have no need for an OS and just want to fold, google "notfred diskless folding". I have been running the USB stick version on the rig in my sig getting ~18mins per %. To compare, my linux server running ubuntu 7.10 with an e2180 @ 3.0ghz gets ~16.5mins per %.

You simply set it and forget it and you can check progress via another machine on your network by just putting the IP in any browser. For a quad, it will also allow you to set cores per smp instance. So you can choose to do 1 SMP instance per 4 cores, or 1 SMP instance per 2 cores to get the most out of your rig.
    
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post #22 of 27
Quote:
Originally Posted by wannabe_OC View Post
Good question...I'm curious to know this too, then I could add 4 ATI cards to "minifarmcube" and fold GPU aswell...

I would guess no, but what do I know...lol...

Things that make you go hmmmmm...
Unsure on all this since I think the GPU needs at least some CPU support, so perhaps if the appropriate core were loading say 80% could you still fold with the GPUs too!
Intriguing and interesting concept.
    
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post #23 of 27
Quote:
Originally Posted by Champcar View Post
Question. If you threw in a ATI card, could you run SMP and the GPU client at the same time?
Quote:
Originally Posted by wannabe_OC View Post
Good question...I'm curious to know this too, then I could add 4 ATI cards to "minifarmcube" and fold GPU aswell...

I would guess no, but what do I know...lol...

Things that make you go hmmmmm...
Quote:
Originally Posted by The Duke View Post
Unsure on all this since I think the GPU needs at least some CPU support, so perhaps if the appropriate core were loading say 80% could you still fold with the GPUs too!
Intriguing and interesting concept.
After doing some quick checking...Looks like I can't do it since I run Linux...That would have been a nice addon though...

I may just have to slowly upgrade to Quads...VERY Slowly...
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post #24 of 27
To answer the question about using an ATI card and a CPU to run GPU and CPU clients simultaneously, here is your answer from the Stanford website.

Quote:
Can I use my CPU to do calculations too?

Dedicating 100% of a CPU core to a GPU client is strongly recommended. You will need one CPU core per GPU core to keep the GPU client adequately fed with data.

Folding performance on high-end GPUs is directly related to the performance of the CPU feeding the new client. Increasing the GPU core speed may not improve folding performance without sufficient CPU speed to support those higher GPU speeds. The reverse scenario may also be true. A very fast CPU helps to get the best GPU performance with this new client.
So yes, you can, but you need one CPU core per GPU core. Technically you can run multiple ATI video cards as well. Each one would work on a different WU, but you need a processor core for each GPU core.

I think I might build a F@H dedicated machine this summer. If I do, I'm thinking quad core and ATI card. One CPU core would be dedicated to work with the GPU, and three cores with the SMP client. Dunno what would result, but it would be worth a shot!
post #25 of 27
Quote:
Originally Posted by Greg121986 View Post
To answer the question about using an ATI card and a CPU to run GPU and CPU clients simultaneously, here is your answer from the Stanford website.



So yes, you can, but you need one CPU core per GPU core. Technically you can run multiple ATI video cards as well. Each one would work on a different WU, but you need a processor core for each GPU core.

I think I might build a F@H dedicated machine this summer. If I do, I'm thinking quad core and ATI card. One CPU core would be dedicated to work with the GPU, and three cores with the SMP client. Dunno what would result, but it would be worth a shot!
yeah that is what I found when folding with my 3870. I had 2 cores for ubuntu +vmware and then one for the gpu and another ubuntu on the other 2 cores but with idle priority while the gpu had normal

core0: gpu normal, ubuntu1 idle
core1: ubuntu1 idle
core2:ubuntu2 normal
core3:ubuntu2 normal

This left core1 open for task like listening to music, word processing, web browsing.

I was actually considering building a few cheap rigs for video converting since I do a lot of that and it would be worth the money to not have 15mins of down time each hour when working on putting a video together.
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post #26 of 27
Hmm, so two GPUs on two cores may out produce two cores running SMP
That would definitely suck up more electricity and make more heat too though
    
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post #27 of 27
Thread Starter 
I'm not sure if I'm going to bother with GPU folding, as I was planning on putting an old 6600GT in it, but if my budget allows...

Quote:
Originally Posted by The Duke View Post
The Microcenter is on I75 and 14 mile and they have Antec Sonata III with a 500w PS for $89.99. I know its a bit of a ride from U of M but they may still have the in store Q6600 "GO" for $199.99 too. May be worth a call to check on the CPU and the drive for that and the box.
http://www.microcenter.com/single_pr...uct_id=0257459
http://www.microcenter.com/single_pr...uct_id=0257938
Thanks for the tip. however, as I freshman, I don't have a car. But more importantly, I just got home for the summer (I live north of Seattle).

Quote:
Originally Posted by EllisD View Post
Is this purely for folding? Or do you need an actual OS to work on the machine? If you have no need for an OS and just want to fold, google "notfred diskless folding". I have been running the USB stick version on the rig in my sig getting ~18mins per %. To compare, my linux server running ubuntu 7.10 with an e2180 @ 3.0ghz gets ~16.5mins per %.

You simply set it and forget it and you can check progress via another machine on your network by just putting the IP in any browser. For a quad, it will also allow you to set cores per smp instance. So you can choose to do 1 SMP instance per 4 cores, or 1 SMP instance per 2 cores to get the most out of your rig.
Its primary purpose would be for folding. However, I would like to have the option of running a usable OS. Still though, the diskless folding seems interesting.
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