[mvapich-discuss] Larger time for the parallel OpenMPI jobs

[Dhabaleswar Panda]

Since this question is related to OpenMPI, please post it to OpenMPI 
mailing list.

Thanks,

DK

On Thu, 13 Dec 2012, Chintu wrote:

> Hi,
>
> I am running my jobs in sequential as well as in parallel mode. For
> sequential it is taking 100 seconds and for OpenMPI using 12 cores it
> is taking 36 seconds to complete the job.
>
> But when I increased the number of cores, say 24, it is taking 106
> seconds to finish the job.
>
> I don't have any idea what is going happening. Any help or suggestion
> will be appreciated.
>
> Thanks,
> Praveen
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