On 12/23/2009 02:55 PM, Matthieu Olivier wrote:
I can only see 4 cores in /proc/cpuinfo. According the caract page, there is no hyperthreading. -> http://ark.intel.com/Product.aspx?id=35130
In this case the plateau at 4 guests is perfectly understandable.
I also wonder why the host can still get more CPU ressources over 4 threads? I guess the purpose of both benchmarks is to overload the CPU, so why they can't reach the max?
Probably a problem with the benchmark itself.
I suposed that the FPU was able to handle at least 2 operations the same time, or maybe hyperthreading was included, but I can't check the first part, and the second isn't true. Or maybe current x86 processors can handel very well these old benchmarks. I can't really say :/
No, you should see the same plateau as with kvm. The processor can't run two threads at once.
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