[gmx-users] large files

David van der Spoel spoel at xray.bmc.uu.se
Fri Aug 31 14:23:57 CEST 2001

On Fri, 31 Aug 2001, Oliver Kohlbacher wrote:

>Dear all,
>while running some test simulations, I encountered a problem
>with GROMACS 3.0.2 (on a SunFire 4800, Solaris 8., compiled with
>gcc 2.95.3 and SUNPro f77 5.1): although large files support for
>the file system I wrote to was enabled, GROMACS aborted the
>trajectory file at 2GB. Is there a way to tell GROMACS (while
>configure-ing?) to use the 64bit functions for file access?
Is that a 64 bit OS? We use the normal FILE * from stdlib.h. On other 64
bit OSes this gives us large files I think... Normally one can overcome
these kind of problems by using the operating system dependent types for
off_t (offset ptr.)

By the way was that a trr file or a xtc file? That could also make a

Groeten, David.
Dr. David van der Spoel, 	Biomedical center, Dept. of Biochemistry
Husargatan 3, Box 576,  	75123 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://zorn.bmc.uu.se/~spoel

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