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!! |
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!! @author Charles F. Vardeman II |
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!! @author Matthew Meineke |
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!! @version $Id: mpiSimulation_module.F90,v 1.5 2003-07-17 19:25:51 chuckv Exp $, $Date: 2003-07-17 19:25:51 $, $Name: not supported by cvs2svn $, $Revision: 1.5 $ |
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!! @version $Id: mpiSimulation_module.F90,v 1.8 2003-10-28 20:09:38 gezelter Exp $, $Date: 2003-10-28 20:09:38 $, $Name: not supported by cvs2svn $, $Revision: 1.8 $ |
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module mpiSimulation |
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use definitions |
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public :: mpi_status_size |
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public :: mpi_any_source |
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!! Safety logical to prevent access to ComponetPlan until |
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!! set by C++. |
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logical :: ComponentPlanSet = .false. |
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logical, save :: ComponentPlanSet = .false. |
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!! generic mpi error declaration. |
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integer,public :: mpi_err |
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integer, public :: mpi_err |
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#ifdef PROFILE |
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public :: printCommTime |
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real(kind = dp ), save :: commTime = 0.0_dp |
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real(kind = dp ) :: commTimeInitial,commTimeFinal |
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#endif |
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!! Include mpiComponentPlan type. mpiComponentPlan is a |
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!! dual header file for both c and fortran. |
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#define __FORTRAN90 |
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integer, public, allocatable, dimension(:) :: tagColumn |
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!! Logical set true if mpiSimulation has been initialized |
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logical :: isSimSet = .false. |
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logical, save :: isSimSet = .false. |
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type (mpiComponentPlan) :: mpiSim |
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type (mpiComponentPlan), save :: mpiSim |
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!! gs_plan contains plans for gather and scatter routines |
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type, public :: gs_plan |
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end type gs_plan |
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! plans for different decompositions |
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type (gs_plan), public :: plan_row |
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type (gs_plan), public :: plan_row3d |
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type (gs_plan), public :: plan_col |
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type (gs_plan), public :: plan_col3d |
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type(gs_plan), public :: plan_row_Rotation |
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type(gs_plan), public :: plan_col_Rotation |
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type (gs_plan), public, save :: plan_row |
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type (gs_plan), public, save :: plan_row3d |
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type (gs_plan), public, save :: plan_col |
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type (gs_plan), public, save :: plan_col3d |
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type (gs_plan), public, save :: plan_row_Rotation |
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type (gs_plan), public, save :: plan_col_Rotation |
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type (mpiComponentPlan), pointer :: simComponentPlan |
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if (present(status)) status = 0 |
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noffset = this_plan%displs(this_plan%myPlanRank) |
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#ifdef PROFILE |
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commTimeInitial = mpi_wtime() |
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#endif |
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call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
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rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
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this_plan%myPlanComm, mpi_err) |
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#ifdef PROFILE |
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commTimeFinal = mpi_wtime() |
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commTime = commTime + commTimeFinal - commTimeInitial |
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#endif |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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if (present(status)) status = 0 |
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! noffset = this_plan%displs(this_plan%me) |
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#ifdef PROFILE |
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commTimeInitial = mpi_wtime() |
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#endif |
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call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
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rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
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this_plan%myPlanComm, mpi_err) |
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#ifdef PROFILE |
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commTimeFinal = mpi_wtime() |
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commTime = commTime + commTimeFinal - commTimeInitial |
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#endif |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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endif |
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if (present(status)) status = 0 |
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#ifdef PROFILE |
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commTimeInitial = mpi_wtime() |
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#endif |
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call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
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mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
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#ifdef PROFILE |
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commTimeFinal = mpi_wtime() |
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commTime = commTime + commTimeFinal - commTimeInitial |
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#endif |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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external mpi_reduce_scatter |
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if (present(status)) status = 0 |
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#ifdef PROFILE |
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commTimeInitial = mpi_wtime() |
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#endif |
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call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
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mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
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#ifdef PROFILE |
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commTimeFinal = mpi_wtime() |
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commTime = commTime + commTimeFinal - commTimeInitial |
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#endif |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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end subroutine setTags |
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pure function getNcol(thisplan) result(ncol) |
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! pure function getNcol(thisplan) result(ncol) |
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function getNcol(thisplan) result(ncol) |
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type (gs_plan), intent(in) :: thisplan |
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integer :: ncol |
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ncol = thisplan%gsComponentPlan%nComponentsColumn |
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end function getNcol |
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pure function getNrow(thisplan) result(nrow) |
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! pure function getNrow(thisplan) result(nrow) |
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function getNrow(thisplan) result(nrow) |
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type (gs_plan), intent(in) :: thisplan |
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integer :: nrow |
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nrow = thisplan%gsComponentPlan%nComponentsRow |
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myNode = mpiSim%myNode |
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end function getMyNode |
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#ifdef PROFILE |
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subroutine printCommTime() |
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write(*,*) "MPI communication time is: ", commTime |
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|
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end subroutine printCommTime |
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#endif |
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#endif // is_mpi |
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end module mpiSimulation |
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