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2008 Mar 02
4
xennet windows pv performance
...cpu''s, testing with iperf
from DomU to Dom0 I get:
Windows (vcpus = 2) - ~500MBits/sec - ~66% cpu utilization (eg 100% on
one, and 33% on the second cpu)
Linux (vcpus = 1) - ~2200MBits/sec
On another machine with 1 x dual core 1.8Ghz AMD cpu, testing as above I
get:
Windows (vcpus = 2) - ~65MBits/sec - ~100% cpu utilization (eg 100% on
both cpu''s)
Linux - can''t test as I don''t have any Linux DomU''s set up presently.
I don''t think there is enough difference in raw CPU power to account for
the 7x performance difference between the two physical mac...