Charles Swiger <[EMAIL PROTECTED]> wrote: > > Are you saying that it just means you can address more memory? > > No, the CPU registers and the address bus can be wider (not just the > memory bus) with Intel EM64T or AMD64 architectures, and can get more > work done per clock for some tasks, but can also be slower for some > common tasks, too. > > Again, if you have more than 4GB of RAM, using the CPU in native 64- > bit mode is probably the way to go; if you've got less, using the CPU > in 32-bit mode might very well work better, but it really depends > upon the type of processes you run.
In our experiments, we found that a 32-bit PAE kernel allowed us to access all the memory we had in the machines, and performance was better than a 64-bit kernel. -- Bill Moran Potential Technologies http://www.potentialtech.com _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"