原文地址:
http://education.molssi.org/parallel-programming/03-distributed-examples-mpi4py/index.html
MPI4Py data type C data type MPI.BYTE 8 binary digits MPI.CHAR char MPI.UNSIGNED_CHAR unsigned char MPI.SHORT signed short int MPI.UNSIGNED_SHORT unsigned short int MPI.INT signed int MPI.UNSIGNED unsigned int MPI.LONG signed long int MPI.UNSIGNED_LONG unsigned long int MPI.FLOAT float MPI.DOUBLE double