


Up:  Miscellany
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In  MPI-1.2, the effect of calling  MPI_TYPE_COMMIT with a  
datatype that is already committed is not specified.  For  MPI-2, it is  
specified that  MPI_TYPE_COMMIT will accept a committed datatype;  
in this case, it is equivalent to a no-op.  
 
  
 
  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 



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MPI-2.0 of July 18, 1997
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