Re: [gmx-users] Question about 'mdrun -nosum'

2012-12-14 Thread Mark Abraham
On Fri, Dec 14, 2012 at 3:46 PM, Thomas Schlesier wrote: > Dear all, > i have a small question regarding the '-nosum' option of 'mdrun'. > The manual states: > > For a global thermostat and/or barostat the temperature and/or pressure > will also only be updated every nstlist steps. With this optio

Re: [gmx-users] Question about 'mdrun -nosum'

2012-12-14 Thread Da-Wei Li
I think the same way as you. They do bring in errors but this is acceptable in normal MD because we already have lots of approximations. BTW, -sum has been dropped from 4.5, in other words, Gromacs won't calculate global Energy every step by default now. dawei On Fri, Dec 14, 2012 at 9:46 AM, Th

[gmx-users] Question about 'mdrun -nosum'

2012-12-14 Thread Thomas Schlesier
Dear all, i have a small question regarding the '-nosum' option of 'mdrun'. The manual states: For a global thermostat and/or barostat the temperature and/or pressure will also only be updated every nstlist steps. With this option the energy file will not contain averages and fluctuations over