[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] memory performance 20% degradation in DomU -- Sisu
Hi, George: Thanks for the reply. Yes, I have tried CPU intensive benchmark. the performance is almost the same as native case. We also tried the same image, but on another physical host with a 3rd generation i7 processor. This time, the memory-intensive benchmark only incurs less than 5% performance degradation, and the latency is identical to native case.
We are looking into this issue now and hopefully will figure this out. Can you be more specific about the highest performance modes of the CPU? For all the experiments, I disabled hyperthreading and frequency scaling, so CPU should work at a constant speed.
Sisu On Tue, Mar 11, 2014 at 7:03 AM, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> wrote:
Sisu Xi, PhD Candidate http://www.cse.wustl.edu/~xis/ Department of Computer Science and Engineering Campus Box 1045 Washington University in St. Louis One Brookings Drive St. Louis, MO 63130 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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