[gmx-users] ic vs gcc : strange results

David van der Spoel spoel at xray.bmc.uu.se
Thu Feb 19 19:11:02 CET 2004

On Thu, 19 Feb 2004, Michel Cuendet wrote:

>Hi Erik,
>No, my opteron is booted in 32bit mode, and gmx uses the SSE loops.
>The problem is not really the speed, which is nice as compared to other 
>machines. Intel compilo gives me an additional 10-15% of speed. But what 
>worries me most is that with intel my box explodes, and with gcc it 
>doesn't. Which is right ??

Most likely gcc. Can you nail me thr tpr (off the list). I have some 
opterons to try it on here.

>gmx-users mailing list
>gmx-users at gromacs.org
>Please don't post (un)subscribe requests to the list. Use the 
>www interface or send it to gmx-users-request at gromacs.org.

David van der Spoel, PhD, Assist. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel

More information about the gromacs.org_gmx-users mailing list