dual vs single core opteron 100's

Lars Tunkrans lars.tunkrans at bredband.net
Tue Jan 24 10:09:10 PST 2006

Ken Gunderson wrote:

>Greets Everyone:
>I was getting into a discussion the other day about this and decided to
>see what the FBSD amd64 gurus had to say about it.  Given approximately
>equal cost of, for example, a single core Opteron150 (2.4GHz) and a
>dual core Opteron165 (1.8GHz) under what kind of situations would
>one be preferred over the other?  
>fwiw- my friend asserts it will ALWAYS be the faster single core because
>of context switches and dual cores are optimized for highly multi-
>threaded OS's (e.g. WInblows). But 1) I think the scheduler has been
>improved in 6.0, and 2) he's a linuxer.
>And yes, I know what AMD has to say on this but am interested in the
>FBSD community's perspective on this w.r.t. FBSD.
The DUAL core will be prefferd  for Webservers, Application servers,   
and databases
that  are multithreaded  and transaction oriented.
The singel Core  will be preffered for Simulations,  Compute intensive 
stuff - image  Rendering ,
Games , that are  singel threaded.


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