On Wed, Jun 04, 2003 at 03:39:30PM -0700, Jun Sun wrote: > 1) clocks on different CPUs don't have the same frequency > 2) clocks on different CPUs drift to each other > 2) some fancy power saving feature such as frequency scaling > > But I think for a foreseeable future most MIPS SMP machines > don't have the above issues (true?). And it is probably worthwile > to synchronize count registers for them. 1) and 2) affect most SGI systems. Ralf
