[MPICH] Question

[James S Perrin]

Hi,
	I suggest you look for some MPI tutorials on the web to get help with the basic 
principals. eg for every MPI_Send in one process there must be a matching 
MPI_Recv in another.

http://www-unix.mcs.anl.gov/mpi/tutorial/mpibasics/
http://webct.ncsa.uiuc.edu:8900/public/MPI/


Regards
James

Yiding Wang wrote:

> Hi:
> 
> I am new to the MPI stuff and this might be a silly question. I would
> appreciate if you can help me out.
> 
> To make a long story short, I made a simple test program using Microsoft
> Visual Studio.NET 2003 to see how MPICH2 works. MPI_Bcast seemed to work
> fine while MPI_Send did not work. When I debugged to the MPI_Send
> statement, the program broke and return the control to the Visual
> Studio, therefore I did not get a chance to see the error code.  I would
> appreciate if you could let me know what I might have missed. I would
> also appreciate if you could send me any sample programs that use
> MPI_Send, so that I can learn from you.
> 
> Thanks.
> 
> Yiding Wang
> 
>     int n=100;
>    MPI_Bcast(&n, 1, MPI_INT, 0, MPI_COMM_WORLD); //This worked
> 
>    MPI_Send(&n, 1, MPI_INT, 1, 1, MPI_COMM_WORLD); //This did not work
> 


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James S. Perrin,                   | email: james.perrin at manchester.ac.uk
Manchester Visualization Centre,   | www.sve.man.ac.uk/General/Staff/perrin
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Manchester, England. M13 9PL.      | fax: +44 161 275 6800/6040
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