1.6.      C++   37

      API-,  -
   UNIX-;

       UNIX  
   API;

        
 UNIX;

        
 .

    UNIX,  3,   IEEE Std.
1003.1-2001   Open Group Base Specifications Issue 6.  IEEE
POSIX         UNIX,
 .        -
  . ++-    , 
   API-,    
 .      , 
     C++   
   .       . -
  :

  POSIX Threads ( Pthreads);

 POSIX- spawn ();

    ().

     API-   -
.     3-    -
 UNIX,  ++-    API- ( 
  3  4       ).  
 ,     C++    -
  ,  MPI (Message Passing Interface 
  ), PVM (Parallel Virtual Machine  
)  CORBA (Common Object Request Broker Architecture   -
   ).

1.6.2.  MPI

 MPI         -
         
     (     -
,   ).     MPICH-
 MPI. MPICH       -
 MPI. MPICH  ++-  API-  -
,    .  MPI
     SPMD (Single-Program, Multiple-
Data  ,   )  MPMD (Multiple-Program,
Multiple-Data  ,   ).   -
  MPICH-  MPI  32- Linux--
   8- ,   