[gmx-users] Gromacs on Pathscale/Infiniband?

Susan Chacko susanc at helix.nih.gov
Fri Jul 14 22:54:31 CEST 2006

Thanks to all the people who gave me suggestions on how to build Gromacs
under Pathscale/Infiniband. I did succeed in building it, the trick was
to use
which was mentioned on the Pathscale site http://www.pathscale.com/ 
for an older version of Gromacs.

I'm locked into the Pathscale compilers at this point because our  
nodes have Pathscale
IB, drivers, and compilers, and reconfiguring them is not an option  
right now.
I'll definitely try the suggestion about disabling Fortran next. At  
this point I do
have a working version of Gromacs on IB, so it's a little lower  
priority. My current
build on the Infiniband/Opteron nodes gives pretty great performance.

I ran the d.dppc benchmark on several types of nodes including the  
if anyone is interested the results are at

Consistent superscaling (up to 10processors with Infiniband);  


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