Re: [OMPI users] question to binding options in openmpi-1.6.2

2012-10-03 Thread Siegmar Gross
Hi, thank you very much for your help. Now the command with "-npersocket" works. Unfortunately it is not a solution for the other problem, which I reported a few minutes ago. tyr fd1026 191 cat host_sunpc0_1 sunpc0 sockets=2 slots=4 sunpc1 sockets=2 slots=4 tyr fd1026 192 mpiexec -report-bindin

Re: [OMPI users] question to binding options in openmpi-1.6.2

2012-10-03 Thread Ralph Castain
Okay, I looked at this and the problem isn't in the code. The problem is that the 1.6 series doesn't have the more sophisticated discovery and mapping algorithms of the 1.7 series. In this case, the specific problem is that the 1.6 series doesn't automatically detect the number of sockets on a n

Re: [OMPI users] question to binding options in openmpi-1.6.2

2012-10-02 Thread Ralph Castain
On Oct 2, 2012, at 2:44 AM, Siegmar Gross wrote: > Hi, > > I tried to reproduce the bindings from the following blog > http://blogs.cisco.com/performance/open-mpi-v1-5-processor-affinity-options > on a machine with two dual-core processors and openmpi-1.6.2. I have > ordered the lines and remo

[OMPI users] question to binding options in openmpi-1.6.2

2012-10-02 Thread Siegmar Gross
Hi, I tried to reproduce the bindings from the following blog http://blogs.cisco.com/performance/open-mpi-v1-5-processor-affinity-options on a machine with two dual-core processors and openmpi-1.6.2. I have ordered the lines and removed the output from "hostname" so that it is easier to see the bi