[gmx-users] Replica exchange log file inconsistent with mdrun -replex

Dejun Lin dejun.lin at gmail.com
Tue Jul 30 20:36:54 CEST 2013

Hi all,

I'm running a replica exchange simulation using gromacs 4.6.3 with the
command line:

mdrun_mpi -deffnm remd_ -multi 64 -replex 100 -nex 262144

I was expecting to get a log entry about the exchange every 100 steps but I
only got one every 1000 steps. I wonder if the output was suppressed
somehow or it was not exchanging at the right frequency?


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