Re: [OMPI users] MPI_Isend/MPI_Recv problem in a multi-thread program

2012-12-05 Thread Brian Budge
Did you build openmpi with multithreading enabled? If not then that could be the problem. Brian On Dec 5, 2012 3:20 AM, "赵印" wrote: > Hi all, > > I have a MPI_Isend/MPI_Recv problem in a multi-thread program. > > In the program: > *The first machine* has one thread does some computation

[OMPI users] MPI_Isend/MPI_Recv problem in a multi-thread program

2012-12-05 Thread 赵印
Hi all, I have a MPI_Isend/MPI_Recv problem in a multi-thread program. In the program: The first machine has one thread does some computation and call MPI_Isend to send buffer to the second machine, and another thread is always trying toMPI_Recv data from the second machine. And the fi