RE: Re[Xen-users] lease 0.9.9 of GPL PV Drivers for Windows

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> James Harper wrote:
> >
> > You need to tell me what tool you are using to measure performance.
> >
> > James
> >
> 
> Yes, i'm using bench32 (ATTO Disk Benchmark), this result is for a
1024 to
> 4096KB with 32MB total length (Direct I/O and Overlapped I/O, queue
depth
> 4)
> 

I haven't tested that one. The poor performance may be due to unaligned
buffers. Could you please try testing with iometer and compare the pv
drivers vs the qemu drivers?

Thanks

James

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