Dear all,
We have installed the latest version of Gromacs (version 4.6) on our
cluster by the following step:
* cmake .. -DGMX_MPI=ON -DCMAKE_INSTALL_PREFIX=/backup/sicnas/gromacs
-DGMX_BUILD_OWN_FFTW=ON -DGMX_PREFER_STATIC_LIBS=ON
The interconnection of the cluster is Myrinet2000 and the driver is MX
(and mpich 1.3.1).
The job scripts (see below) and different simulations show that there is
no adequate performance (usually it should be 2-3 time more).
Could you, pls. help us to overcome the problem in order to get better
performance?
With regards,
Hrach
#PBS -l nodes=8:ppn=2
##PBS -l walltime=360:00
#PBS -q armcluster
#PBS -e 33mM_16_new.err
#PBS -o 33mM_16_new.log
## Specify the shell to be bash
#PBS -S /bin/bash
export
LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/backup/sicnas/gromacs/lib:/opt/mpi/lib
/opt/mpi/bin/mpirun -machinefile /backup/sicnas/npt101/machine -np 16
/backup/sicnas/gromacs/bin/mdrun_mpi -s /backup/sicnas/npt101/topol.tpr -v
--
Hrachya Astsatryan
Head of HPC Laboratory,
Institute for Informatics and Automation Problems,
National Academy of Sciences of the Republic of Armenia
1, P. Sevak str., Yerevan 0014, Armenia
t: 374 10 284780
f: 374 10 285812
e: hr...@sci.am
skype: tighra
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