RE: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Berk Hess
Hi, You don't want to mess with the topology, you will be simulating a quit different system when you turn off constraints. Also Gromacs does not optimize based on names, since the name might not say anything about the molecule. I don't know what effect of what optimizations you want to test, bu

Re: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Thomas Schlesier
Hi, i have the following problem: (GROMACS 4.0.5) when i simulated water in serial on our cluster with the brendsen or v-rescale thermostat i get to high temperatures (300 K goes in very short time up to around 425 K). If i simulate in parallel or at my local machine i get no problems. Also if

RE: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Berk Hess
. Please keep us updated on this issue, since things like this should never happen (unless there is a compiler bug). Berk > Date: Fri, 5 Mar 2010 14:41:02 +0100 > From: schl...@uni-mainz.de > To: gmx-users@gromacs.org > Subject: Re: [gmx-users] Turn-off water optimisation > >

Re: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Ran Friedman
+0100 > > From: schl...@uni-mainz.de > > To: gmx-users@gromacs.org > > Subject: Re: [gmx-users] Turn-off water optimisation > > > > Hi, > > i have the following problem: (GROMACS 4.0.5) > > > > when i simulated water in serial on our cluster with the br

Re: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Thomas Schlesier
ly the same tpr file on your local machine and the cluster? You probably want to update to version 4.0.7 to be sure you have all the latest bugfixes. Please keep us updated on this issue, since things like this should never happen (unless there is a compiler bug). Berk Date: Fri, 5 Mar 2010

RE: [gmx-users] Turn-off water optimisation

2010-03-05 Thread Thomas Schlesier
Hi all, to summerize the seems really like a compiler problem. i have now compiled 4.0.5 with gcc and had no problems. i don't really know which icc compiler it was (but had send the guy who installed gromacs a mail), but with 'which icc' i find: /share/apps/intel/cce/9.1.046/bin/icc i will t