06 October 2025 01:13:45 AM

PRIME_MPI
  C/MPI version

  An MPI example program to count the number of primes.
  The number of processes is 4

         N        Pi          Time

         1         0        0.000169
         2         1        0.000011
         4         2        0.000007
         8         4        0.000008
        16         6        0.000008
        32        11        0.000009
        64        18        0.000013
       128        31        0.000026
       256        54        0.000096
       512        97        0.000262
      1024       172        0.000862
      2048       309        0.003118
      4096       564        0.008599
      8192      1028        0.013342
     16384      1900        0.018666
     32768      3512        0.067001
     65536      6542        0.252216
    131072     12251        0.942470
    262144     23000        3.560166

PRIME_MPI - Master process:
  Normal end of execution.

06 October 2025 01:13:50 AM