[LinuxBIOS] dual core disable?

Greg Johnson gjohnson at lanl.gov
Tue Nov 8 00:37:01 CET 2005


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
policy: default
preferred node: current
cpubind: 0
membind: 0 1

Greg




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