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testmpi's Introduction

testMPI

Test MPI for Distributed Systems

To compile and launch the source files :

Compilation (on one machine, so without hostfile) :

mpicc main.c -o main

Execution :

mpirun -np <number_of_nodes> ./main

testmpi's People

Contributors

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testmpi's Issues

Issue with ring.c

It seems that after a ring turn and the threshold is not reached, the standard output displays the same message several times.

For example, with a threshold of 15 and 5 nodes, the terminal returns these lines :

Node 0 sends message 0 to 1
Node 1 sends message 1 to 2
Node 2 sends message 2 to 3
Node 3 sends message 3 to 4
Node 4 sends message 4 to 0
Node 0 sends message 5 to 1
Node 0 sends message 5 to 1
Node 1 sends message 6 to 2
Node 1 sends message 6 to 2
Node 2 sends message 7 to 3
Node 2 sends message 7 to 3
Node 3 sends message 8 to 4
Node 3 sends message 8 to 4
Node 4 sends message 9 to 0
Node 4 sends message 9 to 0
Node 0 sends message 10 to 1
Node 0 sends message 10 to 1
Node 0 sends message 10 to 1
Node 0 sends message 10 to 1
Node 1 sends message 11 to 2
Node 1 sends message 11 to 2
Node 1 sends message 11 to 2
Node 1 sends message 11 to 2
Node 2 sends message 12 to 3
Node 2 sends message 12 to 3
Node 2 sends message 12 to 3
Node 2 sends message 12 to 3
Node 3 sends message 13 to 4
Node 3 sends message 13 to 4
Node 3 sends message 13 to 4
Node 3 sends message 13 to 4
Node 4 sends message 14 to 0
Node 4 sends message 14 to 0
Node 4 sends message 14 to 0
Node 4 sends message 14 to 0
Node 0 reached threshold, sending the stop message to 1
Node 1 detected stop message, sending it to 2
Node 2 detected stop message, sending it to 3
Node 3 detected stop message, sending it to 4
Node 4 detected stop message, sending it to 0

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