g++ -o eat -fopenmp eat.cpp

#include "stdio.h"

int main(int argc, char *argv[])
{
  #pragma omp parallel
  {
    while(1) {
        int c = 0;
        for(int i=0; i<(1<<30); ++i) {
           c += c*i;
        }
    }
    printf("hello multicore user!\n");
  }
  return(0);
}