[OMPI users] Segmentation fault for openmpi-2.0.1

2016-09-05 Thread Siegmar Gross
Hi, I have installed openmpi-2.0.1 on my "SUSE Linux Enterprise Server 12 (x86_64)" with Sun C 5.14 beta and gcc-6.1.0. Unfortunately, I still get the segmentation fault, which I reported for openmpi-v2.0.0-233-gb5f0a4f. I would be grateful, if somebody can fix the problem. Thank you very much

[OMPI users] Error "Out of resource" for openmpi-1.10.4 on Linux

2016-09-05 Thread Siegmar Gross
Hi, I have installed openmpi-1.10.4 on my "SUSE Linux Enterprise Server 12 (x86_64)" with Sun C 5.14 beta and gcc-6.1.0. Unfortunately, I get an error which I didn't get with version 1.10.3. loki hello_1 116 ompi_info | grep -e "Open MPI:" -e "C compiler absolute:" Open MPI: 1.1

Re: [OMPI users] Multi-Threaded Performance Question

2016-09-05 Thread George Bosilca
Steve, Some of these interferences are due to the design choices in Open MPI, but others are due to the constraints imposed by MPI. As an example, MPI requires FIFO ordering on message delivery on each communication channel (communicator/peer). If you inject messages from multiple threads for the