[gmx-developers] 3Dnow! trouble

David van der Spoel spoel at xray.bmc.uu.se
Sat May 18 14:51:43 CEST 2002

On Sat, 18 May 2002, Frank Wennmohs wrote:

>Hello all!
>I just ran into trouble in a simple md run while
>using 3Dnow! on an Athlon processor.
>The energies suddenly became excessively high (>1E+20).
>This just happens from time to time. Disabling the assembly
>loops everything runs smoothly. This does not happen
>when using SSE on AthlonMP.
>The error happened on a FreeBSD-4.5 box.
>I remember something about errors in the assembly loops 
>some (longer) time ago. 
that's correct but it has been fixed. Did you check the vrsion history?
WHich version are you running?

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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