Open omor1 opened 5 years ago
Initializing MPI by calling MPI_Init rather than MPI_Init_thread requires that the process be single-threaded (it is exactly equivalent to supplying MPI_THREAD_SINGLE to the latter function). This is vaguely alluded to in #2 by @jeffhammond.
MPI_Init
MPI_Init_thread
MPI_THREAD_SINGLE
Initializing MPI by calling
MPI_Initrather thanMPI_Init_threadrequires that the process be single-threaded (it is exactly equivalent to supplyingMPI_THREAD_SINGLEto the latter function). This is vaguely alluded to in #2 by @jeffhammond.