[OMPI devel] SSE instructions?

[Larry Baker]

The PGI compilers have a -fast and a -fastsse option.  Does OpenMPI  
make effective/safe use of SSE instructions (block moves maybe?)?  On  
their web site, PGI uses -fast in their examples for OpenMPI rather  
than -fastsse.  I don't know why.

Larry Baker
US Geological Survey
650-329-5608
ba...@usgs.gov