next intel generation is coming with a 10cores hyperthreaded processor, that should solve your problem (or you could buy a xeon). currently having the same issue as you, best solution seems to either upgrade hardware or giving less core to qemu (but that could lead to less performances)
2016-01-26 20:06 GMT+01:00 Jonathan Scruggs <[email protected]>: > Thanks for your information. I was thinking of ways to maximise the > processor since we don't game all the time. Sometimes I would game and she > would look at Web pages, which doesn't use much processor at all. I will > keep them separate as you suggest just so that there will be no hiccups in > the future. > > Thanks again. > > On 26 January 2016 at 10:17, Quentin Deldycke <[email protected]> > wrote: > >> Hi, >> >> Sincerely, i think you will run into problem. Even more for gaming. For >> example, you load a game, or use hardly your 12 cores. >> >> Be sure that your wife will start to have lags / stutter and will scream >> at you, like old time of gaming on slow bandwith :) >> >> 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! >> >> >> -- >> Deldycke Quentin >> >> >> On 26 January 2016 at 11:09, Jonathan Scruggs <[email protected]> >> wrote: >> >>> Hi all, >>> >>> I have a 6 core Haswell Processor with Hyper threading. What if I passed >>> in all 6 cores with the hyper thread cores to the guest. When I am doing >>> stuff on the guest I am not running anything on the host. Would I need to >>> reverse pin the cores, so Core 0 on the host would be core 15 on the guest, >>> so in theory Core 0 would have more host processes on it? >>> >>> My thinking is that the CPU scheduler on the host would allocate the >>> threads in an efficient manner. >>> >>> However, I want to add a second windows guest for my wife and both >>> windows used at the same time for gaming, not the latest games. Would both >>> guests with all 12 cores passed through be provisioned right be the >>> scheduler of the host? Or would I run into serious trouble? >>> >>> Thanks, >>> Jon >>> >>> _______________________________________________ >>> vfio-users mailing list >>> [email protected] >>> https://www.redhat.com/mailman/listinfo/vfio-users >>> >>> >> > > _______________________________________________ > vfio-users mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/vfio-users > >
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