Re: [OMPI users] Bad parallel scaling using Code Saturne with openmpi

2012-07-11 Thread Yvan Fournier
On Jul 10, 2012, at 7:31 AM, Dugenoux Albert wrote: > > Hi. > ? > I have recently built a cluster upon a Dell PowerEdge Server with a Debian > 6.0 OS. This server is composed of > 4 system board of 2 processors of hexacores. So it gives 12 cores?per system > board. > The boards are linked with

Re: [OMPI users] Bad parallel scaling using Code Saturne with openmpi

2012-07-11 Thread Gus Correa
Hi Dugenoux On 07/11/2012 04:21 PM, Dugenoux Albert wrote: Hi. To answer the differents remarks : 1) Code Saturne launch itself embedded python and bash scripts with the mpiexec parameters, but I will test your parameter next week and will give you the result of this benchmark. Yes, I alrea

Re: [OMPI users] Bad parallel scaling using Code Saturne with openmpi

2012-07-11 Thread Dugenoux Albert
Hi. To answer the differents remarks : 1) Code Saturne launch itself embedded python and bash scripts with the mpiexec parameters, but I will test your parameter next week and will give you the result of this benchmark. 2) I do not think there is a problem with the load balancing : Code Saturn

Re: [OMPI users] Connection refused with openmpi-1.6.0

2012-07-11 Thread Siegmar Gross
Hello Reuti, thank you for your reply. > > I get the following error when I try to run my programs with > > openmpi-1.6.0. > > > > tyr hello_1 52 which mpiexec > > /usr/local/openmpi-1.6_32_cc/bin/mpiexec > > tyr hello_1 53 > > > > tyr hello_1 51 mpiexec --host tyr,sunpc1 -np 3 hello_1_mpi > >

Re: [OMPI users] Connection refused with openmpi-1.6.0

2012-07-11 Thread Reuti
Hi, Am 11.07.2012 um 16:59 schrieb Siegmar Gross: > Hello, > > I get the following error when I try to run my programs with > openmpi-1.6.0. > > tyr hello_1 52 which mpiexec > /usr/local/openmpi-1.6_32_cc/bin/mpiexec > tyr hello_1 53 > > tyr hello_1 51 mpiexec --host tyr,sunpc1 -np 3 hello_1_

[OMPI users] Connection refused with openmpi-1.6.0

2012-07-11 Thread Siegmar Gross
Hello, I get the following error when I try to run my programs with openmpi-1.6.0. tyr hello_1 52 which mpiexec /usr/local/openmpi-1.6_32_cc/bin/mpiexec tyr hello_1 53 tyr hello_1 51 mpiexec --host tyr,sunpc1 -np 3 hello_1_mpi Process 0 of 3 running on tyr.informatik.hs-fulda.de Process 2 of 3