Hello,
 
I am new using MPI. I want to run a simple program (I enclose the program) in 2 different computers. I have installed MPI in both computers. I have compiled the program using:
 
mpiCC -o PruebaSumaParalela.out PruebaSumaParalela.cpp
 
I have copied the executable PruebaSumaParalela.out  to my /home directoy in both computers. Then I run:
 
mpirun -np 2 --host 10.4.5.123,edu@10.4.5.126 --prefix /usr/local ./PruebaSumaParalela.out
 
The 10.4.5.123 computer prints:
 
Inicio
Inicio
totalnodes:2
mynode:0
Inicio Recv
totalnodes:2
mynode:1
Inicio Send
sum:375250
 
The edu@10.4.5.126 computer prints:
 
Inicio
Inicio
totalnodes:2
mynode:1
Inicio Send
sum:375250
totalnodes:2
mynode:0
Inicio Recv
 
But the program does not finish on any computer. It seems that the Send and Recv does not work. Master computer is waiting to receive something that the slave does not send.
Do you know what the problem could be ?
 
Thank you very much.
 
Sofia


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