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From: Chandan Shikhar Dua (shikhar.ap_at_[hidden])
Date: 2007-06-19 04:58:13


 if (rank==0) {
                for(unsigned j=1; j<p; j++){
                        cout<<endl<<"Hi I am inside send "<<j<<"
of rank 0"<<endl;
                              unsigned nblks=1;unsigned begin2=2;
unsigned l2=3;
                            // unsigned nblks = partition[j
+1]-partition[j];
                            // blcluster* bllist1 = bllist
+partition[j];
                              //dimx(bllist1, nblks, begin2,
l2); // starting index and length of vector x to be sent
                              unsigned index1[] = {l2, nblks, begin2};
                              MPI::COMM_WORLD.Send(index1, 3,
MPI::UNSIGNED, 4, j);
                        }
                }
         else {
                cout<<endl<<"Hi I am inside receive of rank
"<<rank<<endl;
                unsigned index1[3];
                MPI::COMM_WORLD.Recv(index1, 3, MPI::UNSIGNED,4 , 0);
                cout<<endl<<"I a mou t<<"<<endl;
                }
        MPI::Finalize();

I have written this simple code and it gets stuck or held
giving the response as below

Please help me out wat could be the problem

Hi this is my rank: 1

Hi I am 1

Hi I am inside receive of rank 1
Hi this is my rank: 0

Hi I am inside send 1 of rank 0

Hi I am inside send 2 of rank 0

Hi I am inside send 3 of rank 0

Hi I am inside send 4 of rank 0

Hi I am inside send 5 of rank 0

Hi I am inside send 6 of rank 0

Hi I am inside send 7 of rank 0
Hi this is my rank: 4

Hi I am 4

Hi I am inside receive of rank 4
Hi this is my rank: 7

Hi I am 7

Hi I am inside receive of rank 7
Hi this is my rank: 5

Hi I am 5

Hi I am inside receive of rank 5
Hi this is my rank: 6

Hi I am 6

Hi I am inside receive of rank 6
Hi this is my rank: 2

Hi I am 2

Hi I am inside receive of rank 2
Hi this is my rank: 3

Hi I am 3

Hi I am inside receive of rank 3