xen dom0
2x AMD Opteron(tm) Processor 250
4GB


root@vhost10:/etc/xen# dbench -t 30 -D /var/tmp/ 10
Throughput 213.317 MB/sec 10 procs
-------------

xen domU

Throughput 169.701 MB/sec 10 procs
=================

beast host:
Throughput 14.1876 MB/sec 10 procs

beast guest:
Throughput 142.107 MB/sec 10 procs