10 May 2025 01:14:52 PM

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        0.000144
         2         1        0.000010
         4         2        0.000007
         8         4        0.000007
        16         6        0.000007
        32        11        0.000009
        64        18        0.000013
       128        31        0.000023
       256        54        0.000056
       512        97        0.000208
      1024       172        0.000686
      2048       309        0.002384
      4096       564        0.007957
      8192      1028        0.011317
     16384      1900        0.020946
     32768      3512        0.066721
     65536      6542        0.249112
    131072     12251        0.941341
    262144     23000        3.533507

PRIME_MPI - Master process:
  Normal end of execution.

10 May 2025 01:14:57 PM