[OMPI users] MPI_Comm_spawn errors

Hi all, I'm getting errors with spawn in the situations: 1) spawn1.c - spawning 2 process on localhost, one by one, the error is: spawning ... [localhost:31390] *** Process received signal *** [localhost:31390] Signal: Segmentation fault (11) [localhost:31390] Signal code: Address not mapped (1)

Re: [OMPI users] funnel-threaded application blocks from time to time

Hi Alex, We are currently on the process of improving thread safety in Open MPI. First we need to know which release you have been using to get into the problem. the --enable-progress-threads enables an internal feature of Open MPI to progress non blocking communications during computati

[OMPI users] funnel-threaded application blocks from time to time

Hi everyone, I have a problem regarding funnel-threaded OpenMPI-based applications. The application I try to launch (nothing complicated) blocks during the execution from time to time. And I have to say this is quite a fun-breaker :D. I will try to put this in a very simple way: I have the fo

Re: [OMPI users] MPI piggyback mechanism

Sorry for my late reply. And thank you all for your answers and comments. Oleg, Same question as Aurélien. You mentionned that you have implemented some piggyback mechanisms in Open MPI. Are these mechanisms available ? Would it be possible to use it ? Regards. Thomas Ropars Aurélien Bouteil