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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 1.3 2003-01-20 22:36:12 chuckv Exp $, $Date: 2003-01-20 22:36:12 $, $Name: not supported by cvs2svn $, $Revision: 1.3 $ |
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!! @version $Id: mpiSimulation_module.F90,v 1.4 2003-01-30 15:20:21 chuckv Exp $, $Date: 2003-01-30 15:20:21 $, $Name: not supported by cvs2svn $, $Revision: 1.4 $ |
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module mpiSimulation |
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#ifdef MPI |
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#ifdef IS_MPI |
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use mpi |
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implicit none |
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PRIVATE |
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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 :: isSimSet = .false. |
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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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!! mpiComponentPlan struct from C |
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type (mpiComponentPlan), intent(inout) :: thisComponentPlan |
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integer, intent(out) :: status |
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integer, intnet(out) :: localStatus |
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integer, intent(out) :: localStatus |
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status = 0 |
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else |
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nWorldProcessors = thisComponentPlan%numberProcessors |
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myWorldRank = thisComponentPlan%myRank |
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myWorldRank = thisComponentPlan%myNode |
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endif |
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end if |
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!! gather all the local sizes into a size # processors array. |
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call mpi_allgather(gs_plan%gsPlanSize,1,mpi_integer,this_plan%counts, & |
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call mpi_allgather(this_plan%gsPlanSize,1,mpi_integer,this_plan%counts, & |
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1,mpi_integer,comm,mpi_err) |
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if (mpi_err /= 0) then |
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this_plan%gsComponentPlan => null() |
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call mpi_comm_free(this_plan%comm,mpi_err) |
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call mpi_comm_free(this_plan%myPlanComm,mpi_err) |
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deallocate(this_plan%counts) |
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deallocate(this_plan%displs) |
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integer, intent(out), optional :: status |
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if (present(status)) status = 0 |
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noffset = this_plan%displs(this_plan%me) |
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noffset = this_plan%displs(this_plan%myPlanRank) |
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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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subroutine setTags(tags,status) |
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integer, dimension(:) tags |
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integer, dimension(:) :: tags |
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integer :: status |
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integer :: alloc_stat |
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integer :: ncol |
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integer :: nrow |
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status = 0 |
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! allocate row arrays |
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nrow = getNrow(plan_row) |
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ncol = getNcol(plan_col) |
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if (.not. allocated(tagRow)) then |
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allocate(tagRow(getNrow(plan_row)),STAT=alloc_stat) |
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allocate(tagRow(nrow),STAT=alloc_stat) |
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if (alloc_stat /= 0 ) then |
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status = -1 |
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return |
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endif |
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else |
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deallocate(tagRow) |
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allocate(tagRow(getNrow(plan_row)),STAT=alloc_stat) |
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allocate(tagRow(nrow),STAT=alloc_stat) |
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if (alloc_stat /= 0 ) then |
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status = -1 |
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return |
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endif |
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! allocate column arrays |
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if (.not. allocated(tagCol)) then |
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allocate(tagCol(getNcol(plan_col)),STAT=alloc_stat) |
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allocate(tagColumn(ncol),STAT=alloc_stat) |
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if (alloc_stat /= 0 ) then |
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status = -1 |
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return |
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endif |
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else |
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deallocate(tagCol) |
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allocate(tagCol(getNcol(plan_col)),STAT=alloc_stat) |
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deallocate(tagColumn) |
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allocate(tagColumn(ncol),STAT=alloc_stat) |
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if (alloc_stat /= 0 ) then |
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status = -1 |
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return |
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endif |
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call gather(tags,tagRow,plan_row) |
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call gather(tags,tagCol,plan_col) |
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call gather(tags,tagColumn,plan_col) |
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end subroutine setTags |
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function getNcol(thisplan) result(ncol) |
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type (gsPlan) :: thisplan |
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pure 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%nComponentsCol |
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ncol = thisplan%gsComponentPlan%nComponentsColumn |
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end function getNcol |
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function getNrow(thisplan) result(ncol) |
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type (gsPlan) :: thisplan |
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pure function getNrow(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%nComponentsrow |
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end function getNrow |
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logical function isMPISimSet() result(isthisSimSet) |
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function isMPISimSet() result(isthisSimSet) |
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logical :: isthisSimSet |
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if (isSimSet) then |
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isthisSimSet = .true. |
