[gmx-users] Re: General conceptual question about advantage of GPUs

2013-04-09 Thread Andrew DeYoung
Thank you, Justin.  This is very helpful to me, especially the link to the
GPU conference, which I think will be very helpful.

I have done a little benchmarking on our ~7000 atom system, and in those
tests the scaling was excellent -- almost linear when comparing 4, 8, 12,
16, 24 CPUs.  I am using particle decomposition, though; the results might
be different with domain decomposition, I guess. 

Thanks again.

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Re: [gmx-users] Re: General conceptual question about advantage of GPUs

2013-04-09 Thread Justin Lemkul
On Tue, Apr 9, 2013 at 12:21 PM, Andrew DeYoung adeyo...@andrew.cmu.eduwrote:

 Thank you, Justin.  This is very helpful to me, especially the link to the
 GPU conference, which I think will be very helpful.

 I have done a little benchmarking on our ~7000 atom system, and in those
 tests the scaling was excellent -- almost linear when comparing 4, 8, 12,
 16, 24 CPUs.  I am using particle decomposition, though; the results might
 be different with domain decomposition, I guess.


Yes, DD should be much faster than PD.

-Justin

-- 



Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540)
231-9080http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin


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