[gmx-users] cpu detection in 3.2.1 double precision
spoel at xray.bmc.uu.se
Thu Aug 26 23:23:37 CEST 2004
On Thu, 2004-08-26 at 22:46, Milton Taidi Sonoda wrote:
> I'm testing gromacs 3.2.1 in a two nodes cluster
> of opteron 242, compiled in double precision.
> I've searched the log and job files
> for the stage where gromacs tries
> to detect CPU version for optimization
> but I didn't find it.
It's in the md.log file. Look foor SSE:
Testing x86 processor CPUID...
CPU manufactured by AMD.
Testing x86 SSE2 capabilities...
CPU and OS support SSE2.
Using Gromacs SSE2 double precision assembly innerloops.
> I'm sure I didn't --disable-cpu-optimization
> during configuration.
> Is any thing wrong?
> Is gromacs using the SSE2 or other capabilities
> of opteron 242?
> Thank you.
> [ ]'s
> Milton Taidi Sonoda
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David van der Spoel, PhD, Assoc. 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
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