[gmx-users] losing data in trjconv?

Gil Claudio gilclaudio at yahoo.com
Mon Oct 15 13:50:25 CEST 2012


Hi Peter,

Same machine, all single precision.

Gil Claudio

On Oct 15, 2012, at 5:39 PM, "Peter C. Lai" <pcl at uab.edu> wrote:

> Was traj.trr output by the same machine/mdrun as the machine you are running
> trjconv on?
> 
> Is traj.trr (or the mdrun that wrote it) double precision and trjconv is 
> compiled float (single precision)?
> 
> On 2012-10-15 02:31:00AM -0700, Gil Claudio wrote:
>> Hi all,
>> 
>> When I do the following command
>> 
>> trjconv -f traj.trr -o traj_1.trr
>> 
>> the file size of traj_1.trr is around 25% smaller than traj.trr.
>> 
>> Does traj_1.trr contain less data than traj.trr?
>> 
>> Thanks
>> 
>> Gil
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