On Mon, Jan 24, 2011 at 09:25:45AM -0800, John Reiser wrote: > Actually many of them should be using the new x86_32 software architecture, > which is the 64-bit instruction set (thus 16 "general" registers, SSE, ...) > but with integers, longs, and pointers all 32 bits. The upper 32 bits > of any user address are 0, and not stored in RAM (except the return address > of CALL.) This gives a measurable benefit on boxes with low RAM. This seems like it might be useful in many virtual machine setups. Can you quantify "measurable"? -- Matthew Miller <mattdm@xxxxxxxxxx> Senior Systems Architect -- Instructional & Research Computing Services Harvard School of Engineering & Applied Sciences -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel