I read memory barrier in ARM architecture reference manual, and I saw the data memory barrier (DMB) instruction. My question is does DMB instruction(especially 'dmb ish') block cores? For example, qua...

I have tried to find out process running time using MPI_Barrier() function. My code: #include <stdio.h> #include <math.h> #include<mpi.h> double sum(int n); int main(void){ in...

my issue is rather complicated, so I do not expect to find a solution, but maybe someone has had the same issue before me. My workspace is composed of 2 computers, a mac and a Pc running linux Manjaro...