Stephan, On Wednesday 21 August 2013 13:02:23 Stephan von Krawczynski wrote: > I know it sound a bit strange, but I really try to help you focus on what > is worth working on. > I can tell you for sure that you cannot beat kvm/qemu in terms of > networking currently because vhost_net does zero-copy networking and > multiqueues. And I saw the difference in production. It is huge. Whatever > you improve in other fields it will not allow to come close to these to > points. It simply makes a difference to copy a GB datastream once instead > of null times. And for the scheduling/multitasking multiqueuing on vcpu > basis is not beaten either. If you see the figures you can't even tell > that its a virtualised guest system.
I don't doubt that the difference is huge. What I say is that we start optimizing the areas we are aware of. Optimizing the VMM will not only help to improve networking performance but it will help in other places as well. What you say is that only multiqueuing matters any other optimization is useless and this is what I don't agree. Btw, we are happy to revise and integrate patches. Kind regards, Frank -- Dr.-Ing. Frank Mehnert | Software Development Director, VirtualBox ORACLE Deutschland B.V. & Co. KG | Werkstr. 24 | 71384 Weinstadt, Germany Hauptverwaltung: Riesstr. 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Geschäftsführer: Jürgen Kunz Komplementärin: ORACLE Deutschland Verwaltung B.V. Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Niederlande, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Astrid Kepper, Val Maher
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