[Pw_forum] GPU

Axel Kohlmeyer akohlmey at gmail.com
Tue Sep 11 11:52:40 CEST 2012

On Tue, Sep 11, 2012 at 11:50 AM, Amir hosseini
<amirhosseinba67 at gmail.com> wrote:
> Dear all
> I was run a same example on Quantum espresso 5.0 with and without GPU
> compalibity but my result very amazing.

not necessarily.

> Without GPU, time spending 806s but with GPU, time spending 1600s!!!!

benchmarks are completely useless without context:

what kind of a GPU do you have and what kind of machine
(processor, bus) are you running on?

are you running in parallel or serial?


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Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
International Centre for Theoretical Physics, Trieste. Italy.

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