Re: [OMPI users] MPIError:MPI_Recv: MPI_ERR_TRUNCATE:

2010-05-07 Thread Jeff Squyres
I'm afraid I don't know enough about Boost to know. What the specific error message means is that you have posted an MPI_Recv that was too small to handle an incoming message. It is permissible in MPI to post a receive that is *larger* than the corresponding incoming message, but it is

[OMPI users] MPIError:MPI_Recv: MPI_ERR_TRUNCATE:

2010-05-03 Thread Pooja Varshneya
Hi All, I have written a program where MPI master sends and receives large amount of data i.e sending from 1KB to 1MB of data. The amount of data to be sent with each call is different The program runs well when running with 5 slaves, but when i try to run the same program with 9 slaves,