"Last quarter AMD introduced their "Shanghai" Opteron
processors that join the ranks of Intel's Harpertown Xeon CPUs that are
45nm quad-core server/workstation parts. Initial reviews of these new
AMD Opteron processors have been very positive, but how do these chips
perform with Linux? In this article we have our hands on a few of the
fastest Shanghais, the AMD Opteron 2384 clocked at 2.7GHz, as we see how
well they compare to the older "Barcelona" Opteron processors."