Αλέξανδρος Παπαδογιαννάκης, le Wed 16 Jun 2010 16:11:12 +0300, a écrit :
> There is no shed affinity call at all if the thread is on a barrier :/
Ok, so since hwloc_set_thread_cpubind returns 0, the issue can only be
in glibc's pthread_setaffinity_np() (and I guess your are calling it on
a thread
Sorry wrong I'll send you in a minute
--
Alexandros Papadogiannakis
From: psxlo...@hotmail.com
To: hwloc-us...@open-mpi.org
Date: Wed, 16 Jun 2010 16:11:12 +0300
Subject: Re: [hwloc-users] Problem with hwloc_set_thread_cpubind() and
pthread_barrier_wait
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 wit
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
Wed, 16 Jun 2010 14:47:44 +0200
> From: samuel.thiba...@inria.fr
> To: hwloc-us...@open-mpi.org
> Subject: Re: [hwloc-users] Problem with hwloc_set_thread_cpubind() and
> pthread_barrier_wait() on new debianj
>
> Αλέξανδρος Παπαδογιαννάκης, le Wed 16 Jun 2010 15:37:3
Αλέξανδρος Παπαδογιαννάκης, le Wed 16 Jun 2010 15:37:34 +0300, a écrit :
> The program uses hwloc_set_thread_cpubind() to bind some threads to specific
> cpus
> but now it doesn't work. hwloc_set_thread_cpubind() returns zero but doesn't
> bind
> the thread.
This looks to me like a glibc or kernel
