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amd64x2
2009 Oct 23
0
Pthreads Overhead
...te and
pthread_mutex_lock/unlock for 200 threads and the overhead I am measuring
for xen dom0 is 1.5x-2.9x relative to the non-xenified (native)
performance. Can someone please confirm if they have seen similar overhead
and/or shed some light on the source of this overhead
I am using 2.6.26-2-xen-amd64Xen with eight VCPU, and 8 physical cores/ 2
sockets and comparing it to Linux 2.6.18.8 SMP on the same machine. This is
Xen 3.2 with a credit scheduler. I am seeing this overhead for both HVM and
paravirtualized Xen. Please, advise.
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