Re: [OMPI users] how to specify OSHMEM component from Mellanox in configure

2017-01-11 Thread Juan A. Cordero Varelaq
Hi Gilles, does it mean I should ignore it and run configure script without specifying anything about OpenSHMEM? From other hand, my cluster has Mellanox OFED, but the knem libraries are not installed from the MXM OFED software. Instead, it was installed from the original knem website.

Re: [OMPI users] how to specify OSHMEM component from Mellanox in configure

2017-01-11 Thread Gilles Gouaillardet
Juan, Open MPI has its own implementation of OpenSHMEM. The Mellanox software is very likely yet an other implementation of OpenSHMEM. So you can consider these as independent libraries Cheers, Gilles On Wednesday, January 11, 2017, Juan A. Cordero Varelaq < bioinformatica-i...@us.es> wrote:

[OMPI users] how to specify OSHMEM component from Mellanox in configure

2017-01-11 Thread Juan A. Cordero Varelaq
Hi, I have an directory in /opt/openshmem which contains software from mellanox. Should I specify during OMPI installation (at the configure step) where that directory is located? If yes, how? I have been looking for a "--with-oshmem=" but haven't found anything, as for instance other

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

2017-01-11 Thread Gilles Gouaillardet
Siegmar, Your slot list is correct. An invalid slot list for your node would be 0:1-7,1:0-7 /* and since the test requires only 5 tasks, that could even work with such an invalid list. My vm is single socket with 4 cores, so a 0:0-4 slot list results in an unfriendly pmix error */ Bottom line,

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

2017-01-11 Thread Siegmar Gross
Hi Gilles, thank you very much for your help. What does incorrect slot list mean? My machine has two 6-core processors so that I specified "--slot-list 0:0-5,1:0-5". Does incorrect mean that it isn't allowed to specify more slots than available, to specify fewer slots than available, or to

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

2017-01-11 Thread Gilles Gouaillardet
Siegmar, I was able to reproduce the issue on my vm (No need for a real heterogeneous cluster here) I will keep digging tomorrow. Note that if you specify an incorrect slot list, MPI_Comm_spawn fails with a very unfriendly error message. Right now, the 4th spawn'ed task crashes, so this is a