[gmx-users] Patch for AMD Athlon

Marc Lensink marc.lensink at ugent.be
Mon Mar 1 16:57:00 CET 2004

On Monday 01 March 2004 15:42, TAPO (Thomas Agersten Poulsen) wrote:
> Dear list,
> 	As many users, I have been experiencing unstability on my AMD
> Athlon MP Linux cluster. Jobs die randomly with errors like
> Fatal error: ci = -2147483648 should be in 0 .. 999 [FILE nsgrid.c,
> LINE 218]
> Based on postings by Eric, I edited src/gmxlib/detectcpu.c to make
> mdrun use 3DNow in stead for SSE.
> It has now been running perfectly for some time, and the speed
> penalty is null compared to jobs crashing.
> To help others, I post a diff of src/gmxlib/detectcpu.c against
> gromacs-3.2.
> One only needs to recompile mdrun_mpi (see ./configure --help to
> learn how to configure for mpi) by 'make mdrun'.

  ./configure --disable-sse; make mdrun; make mdrun-install
a bit simpler?


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