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New GPU3 Projects: 10641-10692

T

Tobit

[H]ard|DCer of the Month - March 2010/May 2011
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Dec 12, 2005
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For those who don't follow foldingforums, yslin just announced some new GPU3 work.

Hi,

There will be new projects 10641-10692 for the open beta release of the GPU3 core. These beta tests are to evaluate the performance of a new core (openmm-gromacs) on gpu with Generalized Born (GB) model used as implicit solvent. Different force fields and different inner dielectric constants are used for this set of simulations.

Points and deadlines: 416 points, preferred deadline 8 days, final deadline 10 days

Thanks!
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not much to get excited about, at least there's no shortages :p
 
Looks like PpD on these new WUs is really slow and many are unhappy. See yslin's response below:

Dear GPU3 OpenMM donors,

I've received reports on PPD drops of the new projects 10641-10692 from the previous 10628-10633. The new projects have been benchmarked using the same machine but it seems different cards have different scaling factors for system size (p10628-10633 have 582 atoms while p10641-10692 have only 264 atoms and in general should run faster). I have put the new projects 10641-10692 on hold and please report your performance (ns/day) or PPD here. Thank you so much!
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Wow, that had to be a rather large riot to get them to change that quick.
 
thats because there arent enough atoms in the WU's to take advantage of the SP's on the gtx 400 series thus you have to rely on shader clocks to get the same performance as the other WU's.. those things should be run on gpu2 not gpu3.. some one should get an 8800GT or 9800GT and run one of those WU's.. bet it will get similar PPD to the 460 on the other WU's..
 
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