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Re: [Xen-users] Quad core systems generally preferable?

To: Mark Weinem <mark.weinem@xxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Quad core systems generally preferable?
From: Stephan Seitz <s.seitz@xxxxxxxxxxxx>
Date: Wed, 06 Feb 2008 17:38:59 +0100
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Hi,

last month I've read a unisys paper with benchmark tests compared between
8-way and 16-way systems. I'm sorry but I don't find this paper right now,
maybe google is helpful.
The benchmarks were done with vmware and showed a big benefit on 16-way.
As far as I remember the 8-way system held 12 vm's, the 16-way
system 128 (!) (limit of vmware) vm's, with each scenario at about 60%-70%
overall cpu utilization.
I think this was done on ES7000/one.

cheers

Stephan





Mark Weinem schrieb:
Hello,

Are quad core systems generally preferable (over dual core systems)?

I know it's advisable to run the Dom0 seperately on its own CPU/Core But will DomUs generally benefit from multi-core seperation as well? This is not about multiprocessor-adjusted applications but about the general performance and usability of the DomUs (with a typical "Desktop" board like the "Intel DQ35JO" and with all the Domains on one single harddrive).


Thanks & best regards, Mark Weinem


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