Re: [hwloc-users] Problem getting cpuset of MPI task

2011-02-10 Thread Hendryk Bockelmann
Hey Brice, I already though so, but thank you for the explanation. On our clusters the job scheduler binds the MPI tasks, but it is not always clear to which resources. So for us it would be great to know where a task runs such that we might adopt the MPI communicators to increase

Re: [hwloc-users] Problem getting cpuset of MPI task

2011-02-09 Thread Brice Goglin
Le 09/02/2011 16:53, Hendryk Bockelmann a écrit : > Since I am new to hwloc there might be a misunderstanding from my > side, but I have a problem getting the cpuset of MPI tasks. I just > want to run a simple MPI program to see on which cores (or CPUs in > case of hyperthreading or SMT) the tasks

Re: [hwloc-users] Problem getting cpuset of MPI task

2011-02-09 Thread Samuel Thibault
Hendryk Bockelmann, le Wed 09 Feb 2011 16:57:43 +0100, a écrit : > Since I am new to hwloc there might be a misunderstanding from my side, > but I have a problem getting the cpuset of MPI tasks. >/* get native cpuset of this process */ >cpuset = hwloc_bitmap_alloc(); >