01 April 2020 02:50:49 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     0.000236161
         2         1      2.9852e-05
         4         2      2.1686e-05
         8         4      2.0934e-05
        16         6      1.7728e-05
        32        11      2.5099e-05
        64        18      2.3706e-05
       128        31      2.2764e-05
       256        54      3.7071e-05
       512        97     0.000139016
      1024       172     0.000281741
      2048       309     0.000999031
      4096       564      0.00330558
      8192      1028      0.00879606
     16384      1900       0.0237081
     32768      3512       0.0873732
     65536      6542        0.320601
    131072     12251         1.22129
    262144     23000         4.37761

PRIME_MPI - Master process:
  Normal end of execution.

01 April 2020 02:50:55 PM