[mpich-discuss] Help WRF

[Rajeev Thakur]

You will have to run it in different ways (with and without OpenMP) and find out yourself.

Rajeev

On May 28, 2012, at 1:01 PM, angelo pascualetti wrote:

> Good afternoon.
> I am installing the WRF numerical model in a single computer with 2 cores and 2 threads and I see that there are 3 ways to run: Serial, OpenMP and Dmpar.
> Mpich (Dmpar option) can be run on a single computer?.
> In other words, if I run the program with mpich indicating the two nuclei is faster than with openmp?
> How many processes (-np) should tell mpich to be faster than openmp?
> I'm running as follows:
> 
> export CC=icc
> export FC=ifort
> ./configure --prefix=$HOME/Mpich2
> make
> make install
> cd $HOME
> touch .mpd.conf
> chmod 600 .mpd.conf
> gedit .mpdhost y escribir:
> MPD_SECRETWORD=angelo1903
> mpdboot -v -n 1 --ncpus=2
> mpirun -np 2 ./run.exe
> 
> -- 
> Angelo Pascualetti A.
> Meteorólogo
> Direccion General Aeronautica Civil
> Aeropuerto Cerro Moreno
> Antofagasta
> 
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