Re: [Xen-users] New binary release of GPL PV drivers for Windows

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Feb 05, 2008 at 10:22:55AM +0200, Pasi Kärkkäinen wrote:
> On Mon, Feb 04, 2008 at 06:21:41PM +0200, Pasi Kärkkäinen wrote:
> > On Sun, Feb 03, 2008 at 12:30:51PM +0100, Stephan Seitz wrote:
> > > 
> > > If someone knows a Windows Benchmarking Suite, I'll do real tests. I know 
> > > my
> > > recent tests are not comparable to any value, but I'm a little bit 
> > > handycapped
> > > on windows ;)
> > > 
> > 
> > You could use IOmeter http://www.iometer.org. It's a widely used disk
> > benchmarking tool on Windows.
> > 
> > It's easy to run benchmarks using different requests sizes, different number
> > of outstanding io's etc..
> > 
> 
> With small requests sizes (512 bytes or 4k) you can measure how many IOPS
> (IO operations per second) you can get, and with big request sizes (64+ kB)
> you can measure how much throughput you can get..
> 
> Changing the number of outstanding IO's means how many IO operations are
> active at the same time (optimal values depends on the storage used, and on
> the queue depth of the hardware, drivers and kernel). 
> 
> Note that IOmeter wants to use raw disk devices, so don't create any
> partitions or format the disk before using IOmeter.
> 

And please share your benchmarking results :)

-- Pasi

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