HELLO
  C/OpenMP version

  The number of processors available:
  OMP_GET_NUM_PROCS () = 2
  This is process 2 out of 0

  The number of threads is 4
  This is process 0 out of 4
  This is process 3 out of 4
  This is process 1 out of 4

HELLO
  Normal end of execution.

  Elapsed wall clock time = 0.000489