Re: [OMPI users] Singleton process spawns additional thread

-Original Message- From: users [mailto:users-boun...@open-mpi.org] On Behalf Of Au Eelis Sent: Thursday, January 07, 2016 7:10 AM To: us...@open-mpi.org Subject: [OMPI users] Singleton process spawns additional thread Hi! I have a weird problem with executing a singleton OpenMPI program, wh

[OMPI users] Singleton process spawns additional thread

Hi! I have a weird problem with executing a singleton OpenMPI program, where an additional thread causes full load, while the master thread performs the actual calculations. In contrast, executing "mpirun -np 1 [executable]" performs the same calculation at the same speed but the additional

[OMPI users] mpi_file_read and arrays of custom datatypes

Hi! I want to convert the input/output of my program to MPI-IO routines. To write the same data, as is written in the already implement textmode routines, I need a custom datatype consisting of several integers and reals. While investigating the functionality, I created a module, which cares for