On Mon, Nov 07, 2005 at 03:00:09PM -0800, Lu, Yinghai wrote:
In Normal BIOS, is there option to disable dual core?
No. I'm pretty sure that I'm really getting two cores on one socket.
Memory bandwidth is affected when running on both cores. In any case,
Linux K8 NUMA is confused:
p5:~# numactl --show
preferred node: current
membind: 0 1