I'm glad you shared your process & experience, good job getting it working, and interesting 3dmark benchmark. How do you feel about game performance? I'm guessing 3% isn't noticeable.
Will On Tue, Apr 19, 2016 at 3:01 PM, thibaut noah <thibaut.n...@gmail.com> wrote: > So, i switch my vm container to bare metal in order to do some bench with > native windows install. > Seems the difference between vm and native in 3dmark firestrike is about > 3%, just so you know. > > 2016-04-15 8:17 GMT+02:00 Blank Field <ihatethisfi...@gmail.com>: > >> >> On Apr 15, 2016 9:01 AM, "thibaut noah" <thibaut.n...@gmail.com> wrote: >> > Speaking of drives, it seems from what i read that it is possible for >> qemu/kvm to read a native (non virtualize) install of windows from a >> passthrough drive. >> > If so is there something special to do? Might go to the hassle of >> reinstalling my all windows system by i prefer to be sure before touching >> anything (though i might just backup the image, boot my vm from it and >> clone windows, much easier than reinstalling). >> There is a problem, that i've promised to git bisect, but trashed my >> fedora instead. >> The thing is, you give the whole drive (or just the necessary partitions) >> to the vm, and you can either boot the OS inside a VM, or run it bare-metal. >> There are some culprits, for example: >> If using UEFI, in order to properly mirror the install, you have to copy >> the efivars. Windows relies on them to activate itself. >> If using not virtio-scsi, you don't send the scsi commands. The most >> noteworthy are SMART and TRIM. >> And the final one, since some version of OVMF, GPT formatted drive gets >> checked for valid MBR and it fails to boot. >> But the performance is closest i could get to native, my HDD gets around >> 150-180MBps, just as it does baremetal. >> Not sure about IOPS though. >> This kind of setup is useful for AB testing. >> > > > _______________________________________________ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > >
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