DOT_PRODUCT
  C/OpenMP version

  A program which computes a vector dot product.

  The number of processors available:
  OMP_GET_NUM_PROCS () = 2

  The number of threads is 4

  Sequential      1000    1.000000e+03     0.0000150204
  Parallel        1000    1.000000e+03     0.0002410412

  Sequential     10000    1.000000e+04     0.0001461506
  Parallel       10000    1.000000e+04     0.0003700256

  Sequential    100000    1.000000e+05     0.0016689301
  Parallel      100000    1.000000e+05     0.0017759800

  Sequential   1000000    1.000000e+06     0.0156381130
  Parallel     1000000    1.000000e+06     0.0146172047

DOT_PRODUCT
  Normal end of execution.