Re: [Xen-devel] [BUNDLE] Testing a simpler inter-domain transport

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Rusty Russell wrote:

> It's unoptimized, but shows some promise.  Here are the benchmarks for
> tcpblast and tbench, on a uniproc 3GHz Pentium 4.  I'd appreciate SMP
> numbers if someone has hardware on hand:
>
>         UDP blast: tcpblast -u -s50000 dom0 9999
>           Current Xen = 254961 KB/s
>           Simple share = 233952 KB/s
>         TCP blast: tcpblast -t -s50000 dom0 9999
>           Current Xen = 86566.4 KB/s
>           Simple share = 135415 KB/s
>         Bidir tcp load: tbench 10
>           Current Xen = 31.9551 MB/sec
>           Simple share = 64.2113 MB/sec
>  
I imagine the numbers for the Simple share should be pretty similiar for 
domU to domU right?  I also imagine that domU to domU under Current xen 
should be considerably worse right?
Any idea why there's UDP degradation?

This stuff looks awesome :-)

Regards,

Anthony Liguori

> It's not plumbed into xenbus, so creating LANs is a manual process,
> using the dmesg output from the initial creation:
>
>         dom0# modprobe ohlan create
>         ohlan: created lan eth1 at address 0x1b6000
>         domU# modprobe ohlan address=0x1b6000
>
> Feedback welcome!
> Rusty.
>  

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