c5c4b42e79
Purpose:
Bug fix.
Description:
When the number of processors is wrong (should be a factor
of dataset dimensions for this test) , test hangs because
of wrong logic in the if-then-endif statement.
Solution:
Fixed the logic.
Platforms tested:
modi4 (O2K)
66 lines
2.0 KiB
Fortran
66 lines
2.0 KiB
Fortran
!
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! Main program for parallel HDF5 Fortran tests.
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PROGRAM PHDF5F90TEST
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USE HDF5 ! This module contains all necessary modules
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USE THDF5
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USE MPI
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IMPLICIT NONE
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INTEGER :: error ! Error flags
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INTEGER :: error_1 = 0 ! Error flags
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!
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! MPI definitions and calls.
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!
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INTEGER :: mpierror ! MPI error flag
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INTEGER :: comm, info
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INTEGER :: mpi_size, mpi_rank
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comm = MPI_COMM_WORLD
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info = MPI_INFO_NULL
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CALL MPI_INIT(mpierror)
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CALL MPI_COMM_SIZE(comm, mpi_size, mpierror)
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CALL MPI_COMM_RANK(comm, mpi_rank, mpierror)
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!
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! Check that datasets can be divided into equal parts by the processes.
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!
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if ( (mod(DIM1, mpi_size) .ne. 0) .or. (mod(DIM2, mpi_size) .ne. 0)) then
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if (mpi_rank .eq. 0) then
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write(*,*) "Number of processors is", mpi_size
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write(*,*) "It must be a factor of ", DIM1, " and ", DIM2
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write(*,*) "Exiting..."
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endif
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goto 1000
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endif
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!
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! Initialize FORTRAN predefined datatypes
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!
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CALL h5init_types_f(error)
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if (mpi_rank .eq. 0) then
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write(*,*) '==========================================='
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write(*,*) ' Parallel Fortran Tests '
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write(*,*) '==========================================='
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write(*,*)
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endif
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if (mpi_rank .eq. 0) then
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write(*,*) 'Writing/reading dataset by hyperslabs'
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endif
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CALL dataset_wr_by_hyperslabs(error_1)
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if (error_1 .ne. 0 ) write(*,*) 'Process ', mpi_rank, 'reports failure'
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if (mpi_rank .eq. 0) then
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write(*,*)
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write(*,*) '==========================================='
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write(*,*) ' Parallel Fortran Tests finished '
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write(*,*) '==========================================='
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endif
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!
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! Close FORTRAN predefined datatypes.
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!
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CALL h5close_types_f(error)
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1000 continue
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CALL MPI_FINALIZE(mpierror)
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END PROGRAM PHDF5F90TEST
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