Hey guys, any news on that? More performances is always better, wondering if there are been some changes recently since it is a few months old
2015-12-05 18:04 GMT+01:00 Doug Applegate <[email protected]>: > Hi! > > I got excited after hearing that the latest Nvidia driver doesn't > check Hyper-V. So I tried it on my Skylake Windows 10 VM using GTX970. > Unfortunately it doesn't work for me using Fedora 23 and stock qemu. > Windows reports the driver reports errors. > > I'm curious how you got it to work or where you read that it should. > I'm using nvidia driver version 359.06 > > Thanks > > > > On Sat, Dec 5, 2015 at 4:21 AM, Eddie Yen <[email protected]> wrote: > > > > > > 2015-12-05 19:02 GMT+08:00 Ruben Torrero Marijnissen > > <[email protected]>: > >> > >> Hi, > >> > >> I installed last week a Windows 10 guest on my flaming new Skylake > >> build, on top of my Arch Linux install. After doing some reading, I > >> understood I had to disable any Hyper-V enlightment and make KVM run in > >> 'hidden' mode, so my Nvidia drivers wouldn't shut down. > >> > >> However, just for the curiosity, I googled for a while and found the > >> last version that didn't check for KVM presence and tested the > >> different performance with and without Hyper-V enlightments: Oddly, > >> Unigine benchmark doesn't show almost *any* performance gain, but with > >> several games, the difference can be as big as 50% in heavily loaded > >> scenarios. My guess on this games that rely more on the GPU won't see > >> much improvements, but games that also use I/O and CPU extensively will > >> see a big improvement. Any idea what other reasons there could be? > > > > > > IME, if you didn't add any signs in -cpu tag, or if you deleted any > Hvper-V > > signs in VM XML file, it will disabled Hyper-V functions. > > > > And, there are many games will got unstable performance without Hyper-V, > > especially online games and games that use a lot of mappings. > > I got huge performance differences on 3DMark tests. With Hyper-V, I can > got > > about 103xx, BUT i got only 95xx when I disabled Hyper-V. > > > > If Hyper-V checker has removed since newest driver, it's a good news, but > > still need to test it. > > Also, some graphic cards only can use previous driver, especially using > in > > old OS. > > > >> > >> I also read in a forum (https://lime-technology.com/forum/index.php?top > >> ic=43824.0) that Alex Williamson is working on a QEMU patch to allow > >> Windows guests to use Hyper-V enlightments without Nvidia beeing able > >> to detect is. Is this true?. Where could I follow the development / > >> test it? > > > > > > You can get that patch by downloading QEMU with git version. > > > > _______________________________________________ > > 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 >
_______________________________________________ vfio-users mailing list [email protected] https://www.redhat.com/mailman/listinfo/vfio-users
