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xianweiwang鐵蟲 (小有名氣)
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[求助]
這段并行程序有問(wèn)題,不知道錯(cuò)在什么地方請(qǐng)大家看看!
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MODULE GLOBAL implicit none type INDATA_TYPE real a real b integer n end type INDATA_TYPE END MODULE GLOBAL program Get_data3 use global include 'mpif.h' type(INDATA_TYPE) indata integer my_rank integer mesg_mpi_t integer ierr call MPI_INIT (ierr) call MPI_COMM_RANK (MPI_COMM_WORLD,my_rank,ierr) call MPI_COMM_SIZE (MPI_COMM_WORLD,numproc,ierr) print*, my_rank print*, numproc call MPI_Barrier(MPI_COMM_WORLD,ierr) if(my_rank.eq.0)then print *, 'Enter a, b, and n' read *, indata%a, indata%b, indata%n endif call Build_derived_type(indata, mesg_mpi_t) call MPI_BCAST(indata, 1, mesg_mpi_t, 0,MPI_COMM_WORLD,ierr ) print*, indata%a, indata%b, indata%n call MPI_Barrier(MPI_COMM_WORLD,ierr) call MPI_FINALIZE(ierr) end subroutine Build_derived_type(indata, mesg_mpi_t) use GLOBAL IMPLICIT NONE INCLUDE 'mpif.h' type(INDATA_TYPE) indata integer mesg_mpi_t integer ierr integer block_lengths(3) integer displacements(3) integer address(4) integer typelist(3) typelist(1) = MPI_REAL typelist(2) = MPI_REAL typelist(3) = MPI_INTEGER block_lengths(1) = 1 block_lengths(2) = 1 block_lengths(3) = 1 call MPI_address(indata, address(1), ierr) call MPI_address(indata%a, address(2), ierr) call MPI_address(indata%b, address(3), ierr) call MPI_address(indata%n, address(4), ierr) displacements(1) = address(2) - address(1) displacements(2) = address(3) - address(1) displacements(3) = address(4) - address(1) call MPI_TYPE_STRUCT(3, block_lengths, displacements, typelist, mesg_mpi_t, ierr) call MPI_TYPE_COMMIT(mesg_mpi_t, ierr) return end 運(yùn)行結(jié)果是 mpirun -np 8 ./a.out 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n 0 1 Enter a, b, and n forrtl: severe (24): end-of-file during read, unit -4, file stdin Image PC Routine Line Source a.out 00000000004B8891 Unknown Unknown Unknown 這樣看是進(jìn)程的編號(hào)不對(duì),不知道為什么這樣! |
至尊木蟲 (職業(yè)作家)
鐵蟲 (小有名氣)
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