I would say yes, and the opposite also. The host manage the emulator: the "qemu" process. If the host is at 100% cpu usage. or fully interrupted, the qemu process will slow down. And stuttering could happen on guests.
-- Deldycke Quentin On 26 January 2016 at 13:11, Mario Goebbels <[email protected]> wrote: > I was wondering about this for related matters. So it is advised to leave > some breathing room for the host, even if only one VM is running? I also > have 6 hyperthreaded cores, I've set up the VM currently with 4 of them (4 > cores, 2 threads), leaving the other two for the host and iothread. Would > using all 6 in the VM cause issues when the VM comes under high load, > because the host may get choked out of CPU time? > > Regards, > -mg > > On Tue, Jan 26, 2016 at 11:17 AM, Quentin Deldycke < > [email protected]> wrote: > >> >> Keep cores separated for both vm. One have 2 cores, the other one 2. and >> 1 for the host. >> Think that, for best performance, it is better that the host doesn't >> schedule at all the cpu linked to the guest! >> >>
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