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2009 Oct 23
0
Pthreads Overhead
Hi all,
I have been seeing a considerable (2x-3x) overhead when using Posix pthreads
and pthreads mutux synchronization on Xen dom0. I am not sure if this is an
inherent overhead of Xen or a wrong configuration on my side.
Basically, I run a simple benchmark to time pthread_create and
pthread_mutex_lock/unlock for 200 threads and the overhead I am measuring
for xen dom0 is 1.5x-2.9x relative to th...