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xen-users
RE: [Xen-users] Release 0.8.0 of GPL PV Drivers for Windows
> On Sunday 24 February 2008 10:08:45 pm Fajar A. Nugraha wrote:
> > I've just tested 0.8.0 with WinXP/RHEL5/xen-3.1.
> > Network performance is the same as with 0.7.0, 100-something kbps,
> > tested with one and two CPUs.
> >
> > This is with apic and acpi enabled. Changing any of those two
requires
> > reinstalling windows, so I'd rather not do it just yet :)
> > Is there any recipe to get a decent network performance? Host OS/xen
> > version/config combo that is tested to work?
>
> Don't know what's limiting you. See the iometer benchmarks I posted
early
> today in the thread 'New binary release of GPL PV drivers for
Windows'.
> I'm
> getting 1Mbps on 4k read/writes, and 4Mbps on 32k, file backed vbd.
> (Actually
> doesn't seem to matter whether I'm using PV drivers or Qemu.)
>
I'm pretty sure that the qemu backed disk uses the caching in Dom0, so
there is no real way of doing performance tests, at least for small
amounts of data. For the same reason, running any production stuff is
probably a bad idea too.
James
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