From: firstname.lastname@example.org To: email@example.com Date: Wed, 16 Jun 2010 16:11:12 +0300 Subject: Re: [hwloc-users] Problem with hwloc_set_thread_cpubind() and pthread_barrier_wait() on new debianj
There is no shed affinity call at all if the thread is on a barrier :/
> Date: Wed, 16 Jun 2010 15:02:00 +0200 > From: firstname.lastname@example.org > To: email@example.com > Subject: Re: [hwloc-users] Problem with hwloc_set_thread_cpubind() and pthread_barrier_wait() on new debianj > > Αλέξανδρος Παπαδογιαννάκης, le Wed 16 Jun 2010 15:52:04 +0300, a écrit : > > hwloc_set_thread_cpubind() by itself works. I have it on a different test > > program > > and it binds the threads without a problem. The problem is when the thread is > > waiting on a barrier. > > I understand. I'm just saying that concerning hwloc, being asleep or not > shouldn't change the behavior, and the bug is most probably either in > glibc or the kernel. The result of sched_setaffinity should tell us. > > Samuel > _______________________________________________ > hwloc-users mailing list > firstname.lastname@example.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
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