[gmx-users] time of simulation

mahmoud nanogroup at ymail.com
Sun Jul 26 00:16:22 CEST 2009

Hello Dear GMX Users,
I have installed Gromacs 4 on a QUAD computer by Fedora 11.
When I do not use the "mpirun -np 4 g_mdrun ... " command, just one CPU is used.
When I use the "mpirun -np 4 g_mdrun ... " command, all of the 4 CPUs are used.
But the problem is that the time of simulation, although 4 CPUs are used, does not change by using the mpirun command!

Can you help me please how I can fasten the time of simulation!
Thank you very much for your kind help.

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