[gmx-users] Segmentation fault

Erik Lindahl lindahl at stanford.edu
Mon Jan 20 07:04:05 CET 2003

>    I have other machines, one AMD-K6 also does not like gromacs and 
> which works fine, so I guess the problem is with the program and not 
> in my
> files.

Hi Itamar,

I've had one or two other reports about K6 problems. This one is 
strange; in theory this CPU should support the 3DNow assembly loops, 
but in practice it doesn't (perhaps a hardware bug). You can disable 
the assembly by setting the environment variable NOASSEMBLYLOOPS for 



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