[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] VMX status report. Xen: #17270 & Xen0: #488 --nonew issue
Keir Fraser wrote: > Well, I implemented a virtual-address to mmio-physical-address > lookaside cache for x86_emulate(), and with that I get following > results for install of WinXP (time is up to second reboot, after > graphical part of install, from an auto-install CD image): > xen 3.2: 1 hour 20 minutes 23 seconds > xen unstable using x86_emulate(): 1 hour 33 minutes 4 seconds > xen unstable with new optimisation: 1 hour 12 minutes 57 seconds > > Considering first result (Xen 3.2) as a baseline control experiment, > basic x86_emulate() mmio performance is 16% slower, while with the > simple extra optimisation I get a 10% speedup (so that's 22% speedup > compared without the optimisation). > > Pretty nice! > > -- Keir Really great! -- Dexuan _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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