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I called MPI_Type_commit(). My problem is that my structure contains pointer elements. I allocate memory to them using malloc later. So I am not sure how I should initialise the displacement and the...

My program runs correctly before I send ant. But when I try to send ant I get this error: collective abort of all ranks, killed by signal 11.
I was unsure about what displacement to give. But I...

I need to send a variable of this structure type from master processor to slave processor.



struct single_ant
{
long tour_length;
long *tour;
long *visited;
};