Alcides Nicastro wrote:
Users:
I'm running a simulation of a lipid bilayer. At some point (sometimes close to the steps 300000-500000) the terminal fails to inform the development of simulation and the files stop writing, but the processors are fully occupied. There is no message for this.

Details:
128 DPPC bilayer with 3655 water molecules
Intel i3 processor.
Ubuntu 10.10 64 bits
GROMACS 4.5.3
LAM 7.1.4 ( -np 2 for simulations)


Many users report problems when using LAM. It is old and deprecated. What's more, for Gromacs 4.5.x on a system like this, one does not need external MPI libraries to run in parallel. Make use of threading (./configure --enable-threads etc) to use an internal thread-MPI library. Otherwise, if you really want to link against an MPI distribution, at least use an up-to-date one like OpenMPI.

-Justin

I appreciate any help.
Best regards,


Lic. *Alcides Nicastro*
Departamento de Física
Fac. de Bioq. y Cs. Biológicas
Universidad Nacional del Litoral
3000 - Santa Fe - Argentina
Tel. trabajo: 0342-4575213
Tel. particular: 0342-4539185
ó 0342-155471071


--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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