On Mon, 9 Oct 2006 at 12:31pm, Rodrigo Barbosa wrote > I have so far avoided using the x86_64 distro, sticking to 32 bits on all > my servers. > > My question for all using the 64bits distro is: is it really worth it ? > What kind of applications are you running, and what kind of _real_ > gain did you have ? > > Note: All my servers are 2GB RAM or less. As usual, it depends. All my cluster nodes are x86_64, and I've seen anywhere from 10-50% performance gains with some codes going from i386 to x86_64. These are mostly commercial codes -- FEM (LS-DYNA) and Matlab. -- Joshua Baker-LePain Department of Biomedical Engineering Duke University