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Folding&Home To Support Folding using GPU.

post #1 of 15
Thread Starter 
Well as said before on Other Occasions F&H will soon be bringing out a GPU client out for us to fold our Work Units on. It will be done alot Quicker as a GPU can Perform an Enormous amount of Floating point Calcualations at anyone Time..I came across this and thought you would be interested.

Quote:
GROMACS ON GPUs

GPUs have the possibility to perform an enormous number of Floating Point OPerations (FLOPs). However, they achieve this high performance by losing generality -- there are only certain types of calculations which would be well-suited to GPUs. The calculations in FAH could possibly take advantage of GPUs and we have been investigating this with our collaborators Prof. Pat Hanrahan (Stanford University, Computer Science Dept) and Prof. Eric Darve (Stanford University, Mechanical Engineering Dept) and their groups. Prof. Hanrahan's group has pioneered methods for programming GPUs with the Brook streaming computer language and Prof. Darve's group has written many applications using Brook. It is unclear which GPUs will be supported and we don't want to specific list any GPUs at the moment. However, it will likely require the very latest GPUs from NVIDIA or ATI. There is also a possibility that only NVIDIA GPUs will work (they use 32 bit floating point, whereas ATI uses 24 bit).

July 2005 We have a working version of GROMACS on Brook, but are tuning performance.

August 2005 Vishal has made great progress in rewriting the GROMACS inner loops in order to take advantage of more memory. Now, we're tweaking for performance.

September 2005 Vishal has found that the new changes aren't quite there yet. We're also benchmarking/testing/evaluating new hardware that has come out.

October 2005 With the release of the R520 card, it looks like we're getting close. Our unoptimized code is already looking good and we are working to optimize it.

December 2005 We are working on optimizing the newest code. We are seeking help from GPU manufactures to tune our code on their hardware.

January 2006 We have had some one-on-one discussions with hardware vendors (sorry, can't say who yet, but hopefully soon) to try to help us port and optimize our code. I hope this will lead to something exciting -- stay tuned.

February 2006 We are trying out a new type of code to run on GPUs to see if we can get an even greater speed increase. Depending on how this looks, we may go with the new version or stick with the previous one to release on FAH.


More Here:http://folding.stanford.edu/FAQ-highperformance.html
post #2 of 15
Hmmm.... Quad SLI folding? heh
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post #3 of 15
but really now who is going to have the cash to get a few dozen 7900 gt's to run F@H. I hope you can still run F@H on your cpu at the same time as the GPU
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post #4 of 15
hahaha... someone better get a XPS 600 Renegade to fold on.
post #5 of 15
Oh man, this will be sweet...
post #6 of 15
Quote:
Originally Posted by pauldovi
Hmmm.... Quad SLI folding? heh
Hah, no kidding.


SLi / Multi-GPU rigs = multiple instances of F@H??


Cool.
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post #7 of 15
Although this means potential gains for a selected few? It also means that there will be an unfair advantage under some circumstances.

I don't want to do a new build until Conroe has been out for 6mo min. So, I guess there will be alot of us folding the way things are until we are sure that the hardware devices we plan to upgrade to are folding (Bullet Proof) as well as high dollar. At least the Nvidia cards might be the ones to work.

Wjat about a mid range card with a PPU setup? Can F@H run with a GPU/PPU? Sounds like over time we will be spending a bundle on high end folding rigs. We may come to mis the days of the P-4 512k northy folding rig?
Oh well its all for a good cause and I'm in it for all of my time left on planet earth?

By the way I had a relapse with my kidneys 3 days ago and although I am out of the hospital I feel like heck! My back is killing me my belly is 3 times normal, my belly button is 5 times swollen the normal, and my calves ankles and feet are very swollen? The Doc says to stay on the meds for a week to reduce the water retention. I still don't get it 1 week ago I decided to quit smoking. I had never tried nor did I want to? Then I told my family that I was going to quit. I got the patches (Could have got more ram) and the gum and quit! Now come to find out that the gum may have contributed to my kidney function malfunction. I'm happy to say I still don't smoke and hopefully I will be bettere soon? Thanks guys for the opportunity to vent once in a while! It means a bunch when you live out in the stix like I do and going to the hospital is like going out on the town?
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post #8 of 15
Quote:
There is also a possibility that only NVIDIA GPUs will work (they use 32 bit floating point, whereas ATI uses 24 bit).
Huh, I didn't know that. Guess I never expected them to be different.
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post #9 of 15
Quote:
Originally Posted by StepsAscend
Huh, I didn't know that. Guess I never expected them to be different.
That part is July 2005 I think so it would be talking about the X850 cards.
Very nice!
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Very nice!
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post #10 of 15
"wonders how much of a grant video card makers was givin to stanford for this"
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