03 March 2022 09:45:05 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   1.9571e-05   1.8734e-05   1.8707e-05   1.8708e-05   1.8715e-05
      2048   3.7358e-05   3.7323e-05   3.7309e-05   3.7311e-05   3.7319e-05
      4096   7.6492e-05    7.452e-05   7.4537e-05   7.4566e-05   7.4593e-05
      8192  0.000154925  0.000148873  0.000148954  0.000148938  0.000148911
     16384  0.000313788  0.000297781  0.000307693  0.000297899  0.000297811
     32768  0.000625637  0.000595525  0.000595582  0.000595495  0.000595444
     65536   0.00133461    0.0011912   0.00119116   0.00120149   0.00119079
    131072   0.00263463   0.00238249   0.00239534   0.00218757   0.00167128
    262144   0.00366029   0.00318308   0.00312513   0.00312764   0.00331281
    524288   0.00765952   0.00694417   0.00693802   0.00598093   0.00541981
   1048576    0.0120549    0.0109009    0.0109932    0.0108956    0.0108686

TIMER_CLOCK
  Normal end of execution.

03 March 2022 09:45:05 AM