[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: 50% slowdown on 2 processor XEN 4.1.3 vs 1 processor system
On 26 November 2012 03:00, Harry Waddell
> I just built a new server with 2 x E5-2630 processors and was comparing the
> performance to a nearly identical xen server with 1 x E5-1660 processor and
> found that on a per core basis, instead of being about 50% faster ( as one
> would expect from the clock speed given that the architecture is nearly
> identical ), the E5-1660 system is %300 faster, so I ran some benchmarks and
> started looking for a pattern.
> Both systems run NetBSD amd64 6.0-STABLE with xen 4.1.3. The 2
> processor system is running only 1/2 as fast with the XEN3_DOM0 kernel
I hope you realise that NetBSD dom0 is not MP capable ?
Main Index |
Thread Index |