modify program for output readability

src/hello_hybrid_bis.c

+#include <omp.h>
+#include <stdio.h>
+#include <mpi.h>
+#include <stdlib.h>
+#include <sys/unistd.h>
+
+int main(int argc,char**argv)
+{
+  int mpiRank, mpiSize;
+  char hostname[128];
+  int nthreads, tid, cpuid;  
+	int i, j=0;
+
+  MPI_Init(&argc,&argv);
+  MPI_Comm_rank(MPI_COMM_WORLD, &mpiRank);
+  MPI_Comm_size(MPI_COMM_WORLD, &mpiSize);
+
+  gethostname(hostname, sizeof hostname);
+
+	#pragma omp parallel
+	{
+ 	nthreads = omp_get_num_threads();
+	}
+
+  if ( mpiRank== 0) 
+		printf("Run executed using %d MPI processes, with %d threads per process \n", mpiSize, nthreads);
+
+	for(i = 0; i < mpiSize; i++) {
+    MPI_Barrier(MPI_COMM_WORLD);
+    if (i == mpiRank) {
+      		printf("%s: MPI n° %d -> cpuid %d \n",hostname, mpiRank,sched_getcpu());
+		#pragma omp parallel private(tid, nthreads, cpuid) shared(i)
+  	{
+    	tid=omp_get_thread_num();
+    	nthreads = omp_get_num_threads();
+    	cpuid = sched_getcpu();
+
+			while(j < tid){
+				#pragma omp flush(j)
+			}  
+			printf("\t thread n° %d -> cpuid %d on MPI n° %d on %s\n", tid, cpuid, mpiRank,hostname);
+			j++;
+			#pragma omp flush(j)
+		}
+    }
+	}
+  MPI_Finalize();
+}