[Pw_forum] Benchmarking: openmpi-1.3 vs openmpi-1.2.8

[Paolo Giannozzi]

On Feb 15, 2009, at 11:54 , Mahmoud Payami wrote:

> The out files show that in all parts "1.3" takes shorter time than  
> "1.2.8".
> However, the wall time in "1.3" is slightly increased. I do not  
> know how to
> resolve it.

don't trust too much small differences in short runs

Paolo
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Paolo Giannozzi, Democritos and University of Udine, Italy