06 September 2018 03:15:35 PM

PRIME_MPI
  C++/MPI version

  An MPI example program to count the number of primes.
  The number of processes is 8

         N        Pi          Time

         1         0     0.000182889
         2         1      1.6545e-05
         4         2       1.539e-05
         8         4      1.1758e-05
        16         6      1.4096e-05
        32        11       9.896e-06
        64        18      1.4452e-05
       128        31      1.4437e-05
       256        54      2.4473e-05
       512        97      4.9411e-05
      1024       172     0.000139855
      2048       309     0.000460491
      4096       564      0.00152885
      8192      1028      0.00503724
     16384      1900       0.0157289
     32768      3512       0.0577487
     65536      6542        0.212196
    131072     12251        0.816821
    262144     23000         2.84818

PRIME_MPI - Master process:
  Normal end of execution.

06 September 2018 03:15:39 PM