Re: [OMPI users] MPI_Comm_spawn question

Andrew, the 2 seconds timeout is very likely a bug that was fixed, so i strongly suggest you give a try to the latest 2.0.2 that was released earlier this week. Ralph is referring an other timeout which is hard coded (fwiw, the MPI standard says nothing about timeout, so we hardcoded one to

Re: [OMPI users] MPI_Comm_spawn question

We know v2.0.1 has problems with comm_spawn, and so you may be encountering one of those. Regardless, there is indeed a timeout mechanism in there. It was added because people would execute a comm_spawn, and then would hang and eat up their entire allocation time for nothing. In v2.0.2, I see

Re: [OMPI users] MPI_Comm_spawn question

I am using Open MPI version 2.0.1. ___ users mailing list users@lists.open-mpi.org https://rfd.newmexicoconsortium.org/mailman/listinfo/users

Re: [OMPI users] MPI_Comm_spawn question

What version of OMPI are you using? > On Jan 31, 2017, at 7:33 AM, elistrato...@info.sgu.ru wrote: > > Hi, > > I am trying to write trivial master-slave program. Master simply creates > slaves, sends them a string, they print it out and exit. Everything works > just fine, however, when I add a

[OMPI users] MPI_Comm_spawn question

Hi, I am trying to write trivial master-slave program. Master simply creates slaves, sends them a string, they print it out and exit. Everything works just fine, however, when I add a delay (more than 2 sec) before calling MPI_Init on slave, MPI fails with MPI_ERR_SPAWN. I am pretty sure that

Re: [OMPI users] mpi_comm_spawn question

> "George" == George Bosilca writes: George> Why are you using system() the second time ? As you want George> to spawn an MPI application calling MPI_Call_spawn would George> make everything simpler. Yes, this works! Very good trick... The system routine

Re: [OMPI users] mpi_comm_spawn question

Why are you using system() the second time ? As you want to spawn an MPI application calling MPI_Call_spawn would make everything simpler. George On Jul 3, 2014 4:34 PM, "Milan Hodoscek" wrote: > > Hi, > > I am trying to run the following setup in fortran without much >

Re: [OMPI users] mpi_comm_spawn question

Unfortunately, that has never been supported. The problem is that the embedded mpirun picks up all those MCA params that were provided to the original application process, and gets hopelessly confused. We have tried in the past to figure out a solution, but it has proved difficult to separate

[OMPI users] mpi_comm_spawn question

Hi, I am trying to run the following setup in fortran without much success: I have an MPI program, that uses mpi_comm_spawn which spawns some interface program that communicates with the one that spawned it. This spawned program then prepares some data and uses call system() statement in