Thanks Berk,
I agree that a single file open action is not going to cause a lot of
system activity. We're simply trying to cut down wherever possible as
this is a large shared cluster where the activity of many users
distributed amongst 30K cores is overwhelming the GPFS. We have been
ins
for all in and
output files
with multiple possible file names. In git master only the master process calls
fexist.
Berk
> Date: Wed, 2 Dec 2009 09:17:00 -0500
> From: chris.ne...@utoronto.ca
> To: gmx-users@gromacs.org
> Subject: [gmx-users] any chance to write avoid writing out
We have the same desire on a large cluster in order to reduce the
number of file operations overall. In addition to Xavier's suggestion,
you can also write your .trr to memory:
mdrun -deffnm xx -t /dev/shm/xx.trr
or to the local disk:
mdrun -deffnm xx -t ${TMPDIR}/xx.trr
if those exist and dep
Jörn-Benjamin Lenz wrote:
dear users of gromacs,
i updated my gromacs from 4.0.1 to 4.0.5 and now i am facing the following
problem:
Good move, version 4.0.1 was badly broken :)
using the older version of gromacs I submitted REMD jobs to our cluster (which
also was updated from suse 10.
you can define the frequency of writing to the trr file in the mdp file.
using:
nstxout = 0
nstvout = 0
nstfout =0
should fix your problem.
On Dec 1, 2009, at 4:30 PM, Jörn-Benjamin Lenz wrote:
dear users of gromacs,
i updated my gromacs from 4.0.1 to 4.0.5 and now i am facing the
follow
dear users of gromacs,
i updated my gromacs from 4.0.1 to 4.0.5 and now i am facing the following
problem:
using the older version of gromacs I submitted REMD jobs to our cluster (which
also was updated from suse 10.3 to suse 11.1) and two differently formatted
output files were generated: trr
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