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

[Anthony Liguori <aliguori@us.ibm.com>]

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.
>  
>