Re: Dual Xeon's detected as quad xeons?!

[alan <alan clueserver org>]

On Fri, 29 Oct 2004, Ben Halicki wrote:

> Hi all,
> 
> Just installed FC2 on a server running dual xeon 3.4ghz cpus, but fc2 seems
> to be detecting four cpu's, instead of 2?  I can determine this by running
> cat /proc/cpuinfo, which lists cpus 0-3.  Any reason for this?  I understand
> there is probably a simple solution, or something I haven't done...

You have a pair of Xeons that have hyperthreading.  Hyperthread processors 
show up as two processors instead of one.  The operate like dual 
processors kinda-sorta and add about 20% or more speed than a standard 
processor.

-- 
chown -R us ./base