I would think so, from a certain point of view. Each core is reported to the OS as a CPU, and that's what you should use at it pertains to the rule of 2. So if you have two cpus each with four course, your rule of 2 number would be 8. The underlying mathematics of queuing theory still remain the same. On Fri, Jun 14, 2013 at 2:08 PM, Josh Collier <Josh.Collier@xxxxxxxxxxxx>wrote: > This paper is 13 years old, is it still valid in the era of quad core > processors? > Batch Queue Management and the Magic of '2' > Cary Millsap/Hotsos Enterprises, Ltd. > > -- > //www.freelists.org/webpage/oracle-l > > > -- Adam Musch ahmusch@xxxxxxxxx -- //www.freelists.org/webpage/oracle-l