26 August 2018 10:36:51 AM

TIMER_OMP_GET_WTIME
  C++ version

  Demonstrate the use of the OMP_GET_WTIME timer.

  omp_get_wtime ( ) is an OpenMP library function.

  It returns the elapsed wall clock time in seconds.

  The number of processors available:
  OMP_GET_NUM_PROCS () = 8

  OMP_SET_NUM_THREADS requests 8 threads.

TEST01
  Time the C RAND routine by computing N values.
  For a given N, repeat the computation 5 times.

  Data vectors will be of minimum size 1024
  Data vectors will be of maximum size 1048576

  Wall clock times are in seconds.

         N       Rep #1       Rep #2       Rep #2       Rep #4       Rep #5

      1024  8.22899e-06  7.57301e-06    7.578e-06    7.612e-06  7.55899e-06
      2048   1.5033e-05   1.5093e-05    1.506e-05   1.5081e-05   1.5059e-05
      4096   3.1157e-05   3.0062e-05   3.0015e-05   3.0037e-05   3.0029e-05
      8192   6.3615e-05   6.0014e-05   6.0079e-05   6.0012e-05   6.0119e-05
     16384  0.000127324  0.000120174  0.000119989  0.000119936  0.000119965
     32768  0.000256021  0.000240209  0.000239839  0.000239975  0.000239897
     65536  0.000556478  0.000463781  0.000471207  0.000463848  0.000463749
    131072   0.00106651  0.000897565  0.000903106  0.000885416   0.00086761
    262144   0.00196658   0.00178339   0.00169633   0.00170461   0.00167387
    524288   0.00372934   0.00323681   0.00323458   0.00326607   0.00317272
   1048576   0.00741089   0.00643846    0.0064848   0.00641625   0.00638615

TIMER_CLOCK
  Normal end of execution.

26 August 2018 10:36:51 AM