Which one is the latency with Open MPI ? Which version of Open MPI ?
You might want to use OMPI_MCA_btl=mx,self to see if it makes any
On Jun 6, 2007, at 12:26 PM, Maestas, Christopher Daniel wrote:
> With 2 nodes using 1.1.7 with the patch we measured (using mpich-mx
> With mx 1.2.1-rc18 we measure:
> 3.69 us
> And with mpich-mx 1.2.7..4 we see:
> Our Open MPI settings:
> # env | grep OMPI
> Does anyone know why the latency would be slightly higher using
> Open MPI
> versus MPICH-MX?
> users mailing list
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