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!! MPI support for long range forces using force decomposition |
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!! on a square grid of processors. |
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!! Corresponds to mpiSimunation.cpp for C++ |
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!! mpi_module also contains a private interface for mpi f90 routines. |
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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 1.1 2003-02-17 21:27:47 mmeineke Exp $, $Date: 2003-02-17 21:27:47 $, $Name: not supported by cvs2svn $, $Revision: 1.1 $ |
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module mpiSimulation |
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use definitions |
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use mpi |
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implicit none |
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PRIVATE |
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|
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|
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!! PUBLIC Subroutines contained in this module |
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!! gather and scatter are a generic interface |
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!! to gather and scatter routines |
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public :: gather, scatter |
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public :: setupSimParallel |
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public :: replanSimParallel |
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public :: getNcol |
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public :: getNrow |
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public :: isMPISimSet |
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public :: printComponentPlan |
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public :: getMyNode |
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|
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!! PUBLIC Subroutines contained in MPI module |
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public :: mpi_bcast |
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public :: mpi_allreduce |
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public :: mpi_reduce |
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public :: mpi_send |
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public :: mpi_recv |
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public :: mpi_get_processor_name |
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public :: mpi_finalize |
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|
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!! PUBLIC mpi variables |
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public :: mpi_comm_world |
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public :: mpi_character |
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public :: mpi_integer |
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public :: mpi_double_precision |
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public :: mpi_sum |
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public :: mpi_max |
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public :: mpi_status_size |
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public :: mpi_any_source |
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|
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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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|
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|
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!! generic mpi error declaration. |
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integer,public :: mpi_err |
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|
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|
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|
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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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#include "mpiComponentPlan.h" |
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|
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|
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|
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!! Tags used during force loop for parallel simulation |
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integer, allocatable, dimension(:) :: tagLocal |
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integer, public, allocatable, dimension(:) :: tagRow |
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integer ,public, allocatable, dimension(:) :: tagColumn |
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|
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!! Logical set true if mpiSimulation has been initialized |
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logical :: isSimSet = .false. |
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|
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|
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type (mpiComponentPlan) :: mpiSim |
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|
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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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private |
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type (mpiComponentPlan), pointer :: gsComponentPlan => NULL() |
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integer :: gsPlanSize !! size of this plan (nDim*nComponents) |
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integer :: globalPlanSize !! size of all components in plan |
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integer, dimension(:), pointer :: displs !! Displacements array for mpi indexed from 0. |
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integer, dimension(:), pointer :: counts !! Counts array for mpi indexed from 0. |
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integer :: myPlanComm !! My communicator for this plan |
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integer :: myPlanRank !! My rank in this plan |
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integer :: planNprocs !! Number of processors in this plan |
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end type gs_plan |
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|
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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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|
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type (mpiComponentPlan), pointer :: simComponentPlan |
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|
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! interface for gather scatter routines |
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!! Generic interface for gather. |
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!! Gathers an local array into row or column array |
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!! Interface provided for integer, double and double |
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!! rank 2 arrays. |
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interface gather |
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module procedure gather_integer |
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module procedure gather_double |
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module procedure gather_double_2d |
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end interface |
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|
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!! Generic interface for scatter. |
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!! Scatters a row or column array, adding componets |
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!! and reducing them to a local nComponent array. |
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!! Interface provided for double and double rank=2 arrays. |
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interface scatter |
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module procedure scatter_double |
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module procedure scatter_double_2d |
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end interface |
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|
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|
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|
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contains |
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|
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!! Sets up mpiComponentPlan with structure passed from C++. |
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subroutine setupSimParallel(thisComponentPlan,ntags,tags,status) |
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! Passed Arguments |
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! integer, intent(inout) :: nDim !! Number of dimensions |
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!! mpiComponentPlan struct from C |
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type (mpiComponentPlan), intent(inout) :: thisComponentPlan |
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!! Number of tags passed, nlocal |
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integer, intent(in) :: ntags |
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!! Result status, 0 = normal, -1 = error |
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integer, intent(out) :: status |
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integer :: localStatus |
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!! Global reference tag for local particles |
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integer, dimension(ntags),intent(inout) :: tags |
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|
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|
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status = 0 |
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if (componentPlanSet) then |
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return |
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endif |
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componentPlanSet = .true. |
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|
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!! copy c component plan to fortran |
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mpiSim = thisComponentPlan |
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write(*,*) "Seting up simParallel" |
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|
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call make_Force_Grid(mpiSim,localStatus) |
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if (localStatus /= 0) then |
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write(default_error,*) "Error creating force grid" |
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status = -1 |
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return |
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endif |
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|
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call updateGridComponents(mpiSim,localStatus) |
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if (localStatus /= 0) then |
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write(default_error,*) "Error updating grid components" |
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status = -1 |
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return |
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endif |
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|
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|
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!! initialize gather and scatter plans used in this simulation |
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call plan_gather_scatter(1,mpiSim%myNlocal,& |
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mpiSim,mpiSim%rowComm,plan_row) |
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call plan_gather_scatter(nDim,mpiSim%myNlocal,& |
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mpiSim,mpiSim%rowComm,plan_row3d) |
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call plan_gather_scatter(1,mpiSim%myNlocal,& |
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mpiSim,mpiSim%columnComm,plan_col) |
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call plan_gather_scatter(nDim,mpiSim%myNlocal,& |
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mpiSim,mpiSim%columnComm,plan_col3d) |
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|
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! Initialize tags |
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call setTags(tags,localStatus) |
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if (localStatus /= 0) then |
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status = -1 |
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return |
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endif |
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isSimSet = .true. |
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|
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! call printComponentPlan(mpiSim,0) |
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end subroutine setupSimParallel |
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|
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subroutine replanSimParallel(thisComponentPlan,status) |
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! Passed Arguments |
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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 :: localStatus |
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integer :: mpierror |
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status = 0 |
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|
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call updateGridComponents(thisComponentPlan,localStatus) |
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if (localStatus /= 0) then |
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status = -1 |
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return |
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endif |
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|
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!! Unplan Gather Scatter plans |
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call unplan_gather_scatter(plan_row) |
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call unplan_gather_scatter(plan_row3d) |
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call unplan_gather_scatter(plan_col) |
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call unplan_gather_scatter(plan_col3d) |
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|
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|
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!! initialize gather and scatter plans used in this simulation |
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call plan_gather_scatter(1,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%rowComm,plan_row) |
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call plan_gather_scatter(nDim,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%rowComm,plan_row3d) |
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call plan_gather_scatter(1,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%columnComm,plan_col) |
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call plan_gather_scatter(nDim,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%rowComm,plan_col3d) |
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|
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|
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|
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end subroutine replanSimParallel |
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|
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!! Updates number of row and column components for long range forces. |
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subroutine updateGridComponents(thisComponentPlan,status) |
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type (mpiComponentPlan) :: thisComponentPlan !! mpiComponentPlan |
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|
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!! Status return |
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!! - 0 Success |
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!! - -1 Failure |
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integer, intent(out) :: status |
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integer :: nComponentsLocal |
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integer :: nComponentsRow = 0 |
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integer :: nComponentsColumn = 0 |
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integer :: mpiErrors |
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|
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status = 0 |
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if (.not. componentPlanSet) return |
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|
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if (thisComponentPlan%myNlocal == 0 ) then |
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status = -1 |
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return |
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endif |
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|
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nComponentsLocal = thisComponentPlan%myNlocal |
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|
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call mpi_allreduce(nComponentsLocal,nComponentsRow,1,mpi_integer,& |
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mpi_sum,thisComponentPlan%rowComm,mpiErrors) |
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if (mpiErrors /= 0) then |
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status = -1 |
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return |
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endif |
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|
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call mpi_allreduce(nComponentsLocal,nComponentsColumn,1,mpi_integer, & |
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mpi_sum,thisComponentPlan%columnComm,mpiErrors) |
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if (mpiErrors /= 0) then |
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status = -1 |
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return |
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endif |
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|
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thisComponentPlan%nComponentsRow = nComponentsRow |
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thisComponentPlan%nComponentsColumn = nComponentsColumn |
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|
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|
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end subroutine updateGridComponents |
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|
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|
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!! Creates a square force decomposition of processors into row and column |
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!! communicators. |
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subroutine make_Force_Grid(thisComponentPlan,status) |
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type (mpiComponentPlan) :: thisComponentPlan |
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integer, intent(out) :: status !! status returns -1 if error |
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integer :: nColumnsMax !! Maximum number of columns |
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integer :: nWorldProcessors !! Total number of processors in World comm. |
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integer :: rowIndex !! Row for this processor. |
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integer :: columnIndex !! Column for this processor. |
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integer :: nRows !! Total number of rows. |
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integer :: nColumns !! Total number of columns. |
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integer :: mpiErrors !! MPI errors. |
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integer :: rowCommunicator !! MPI row communicator. |
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integer :: columnCommunicator |
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integer :: myWorldRank |
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integer :: i |
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|
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|
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if (.not. ComponentPlanSet) return |
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status = 0 |
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|
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!! We make a dangerous assumption here that if numberProcessors is |
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!! zero, then we need to get the information from MPI. |
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if (thisComponentPlan%numberProcessors == 0 ) then |
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call mpi_comm_size( MPI_COMM_WORLD, nWorldProcessors,mpiErrors) |
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if ( mpiErrors /= 0 ) then |
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status = -1 |
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return |
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endif |
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call mpi_comm_rank( MPI_COMM_WORLD,myWorldRank,mpiErrors) |
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if ( mpiErrors /= 0 ) then |
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status = -1 |
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return |
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endif |
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|
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else |
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nWorldProcessors = thisComponentPlan%numberProcessors |
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myWorldRank = thisComponentPlan%myNode |
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endif |
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|
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|
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|
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|
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nColumnsMax = nint(sqrt(real(nWorldProcessors,kind=dp))) |
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|
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do i = 1, nColumnsMax |
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if (mod(nWorldProcessors,i) == 0) nColumns = i |
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end do |
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|
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nRows = nWorldProcessors/nColumns |
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|
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rowIndex = myWorldRank/nColumns |
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|
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|
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|
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call mpi_comm_split(mpi_comm_world,rowIndex,0,rowCommunicator,mpiErrors) |
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if ( mpiErrors /= 0 ) then |
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write(default_error,*) "MPI comm split failed at row communicator" |
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status = -1 |
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return |
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endif |
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|
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columnIndex = mod(myWorldRank,nColumns) |
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call mpi_comm_split(mpi_comm_world,columnIndex,0,columnCommunicator,mpiErrors) |
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if ( mpiErrors /= 0 ) then |
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write(default_error,*) "MPI comm split faild at columnCommunicator" |
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status = -1 |
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return |
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endif |
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|
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! Set appropriate components of thisComponentPlan |
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thisComponentPlan%rowComm = rowCommunicator |
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thisComponentPlan%columnComm = columnCommunicator |
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thisComponentPlan%rowIndex = rowIndex |
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thisComponentPlan%columnIndex = columnIndex |
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thisComponentPlan%numberRows = nRows |
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thisComponentPlan%numberColumns = nColumns |
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|
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|
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end subroutine make_Force_Grid |
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|
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|
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!! initalizes a gather scatter plan |
348 |
subroutine plan_gather_scatter( nDim,nComponents,thisComponentPlan, & |
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thisComm, this_plan,status) |
350 |
integer, intent(in) :: nDim !! Number of dimensions for gather scatter plan |
351 |
integer, intent(in) :: nComponents |
352 |
type (mpiComponentPlan), intent(in), target :: thisComponentPlan |
353 |
type (gs_plan), intent(out) :: this_plan !! MPI Component Plan |
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integer, intent(in) :: thisComm !! MPI communicator for this plan |
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|
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integer :: arraySize !! size to allocate plan for |
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integer, intent(out), optional :: status |
358 |
integer :: ierror |
359 |
integer :: i,junk |
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|
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if (present(status)) status = 0 |
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|
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|
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|
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!! Set gsComponetPlan pointer |
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!! to the componet plan we want to use for this gather scatter plan. |
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!! WARNING this could be dangerous since thisComponentPlan was origionally |
368 |
!! allocated in C++ and there is a significant difference between c and |
369 |
!! f95 pointers.... |
370 |
this_plan%gsComponentPlan => thisComponentPlan |
371 |
|
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! Set this plan size for displs array. |
373 |
this_plan%gsPlanSize = nDim * nComponents |
374 |
|
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! Duplicate communicator for this plan |
376 |
call mpi_comm_dup(thisComm,this_plan%myPlanComm,mpi_err) |
377 |
if (mpi_err /= 0) then |
378 |
if (present(status)) status = -1 |
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return |
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end if |
381 |
call mpi_comm_rank(this_plan%myPlanComm,this_plan%myPlanRank,mpi_err) |
382 |
if (mpi_err /= 0) then |
383 |
if (present(status)) status = -1 |
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return |
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end if |
386 |
|
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call mpi_comm_size(this_plan%myPlanComm,this_plan%planNprocs,mpi_err) |
388 |
|
389 |
if (mpi_err /= 0) then |
390 |
if (present(status)) status = -1 |
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return |
392 |
end if |
393 |
|
394 |
!! counts and displacements arrays are indexed from 0 to be compatable |
395 |
!! with MPI arrays. |
396 |
allocate (this_plan%counts(0:this_plan%planNprocs-1),STAT=ierror) |
397 |
if (ierror /= 0) then |
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if (present(status)) status = -1 |
399 |
return |
400 |
end if |
401 |
|
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allocate (this_plan%displs(0:this_plan%planNprocs-1),STAT=ierror) |
403 |
if (ierror /= 0) then |
404 |
if (present(status)) status = -1 |
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return |
406 |
end if |
407 |
|
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!! gather all the local sizes into a size # processors array. |
409 |
call mpi_allgather(this_plan%gsPlanSize,1,mpi_integer,this_plan%counts, & |
410 |
1,mpi_integer,thisComm,mpi_err) |
411 |
|
412 |
if (mpi_err /= 0) then |
413 |
if (present(status)) status = -1 |
414 |
return |
415 |
end if |
416 |
|
417 |
|
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!! figure out the total number of particles in this plan |
419 |
this_plan%globalPlanSize = sum(this_plan%counts) |
420 |
|
421 |
|
422 |
!! initialize plan displacements. |
423 |
this_plan%displs(0) = 0 |
424 |
do i = 1, this_plan%planNprocs - 1,1 |
425 |
this_plan%displs(i) = this_plan%displs(i-1) + this_plan%counts(i-1) |
426 |
end do |
427 |
|
428 |
|
429 |
end subroutine plan_gather_scatter |
430 |
|
431 |
|
432 |
subroutine unplan_gather_scatter(this_plan) |
433 |
type (gs_plan), intent(inout) :: this_plan |
434 |
|
435 |
|
436 |
this_plan%gsComponentPlan => null() |
437 |
call mpi_comm_free(this_plan%myPlanComm,mpi_err) |
438 |
|
439 |
deallocate(this_plan%counts) |
440 |
deallocate(this_plan%displs) |
441 |
|
442 |
end subroutine unplan_gather_scatter |
443 |
|
444 |
subroutine gather_integer( sbuffer, rbuffer, this_plan, status) |
445 |
|
446 |
type (gs_plan), intent(in) :: this_plan |
447 |
integer, dimension(:), intent(in) :: sbuffer |
448 |
integer, dimension(:), intent(in) :: rbuffer |
449 |
integer :: noffset |
450 |
integer, intent(out), optional :: status |
451 |
integer :: i |
452 |
|
453 |
|
454 |
|
455 |
if (present(status)) status = 0 |
456 |
noffset = this_plan%displs(this_plan%myPlanRank) |
457 |
|
458 |
! if (getmyNode() == 1) then |
459 |
! write(*,*) "Node 0 printing allgatherv vars" |
460 |
! write(*,*) "Noffset: ", noffset |
461 |
! write(*,*) "PlanSize: ", this_plan%gsPlanSize |
462 |
! write(*,*) "PlanComm: ", this_plan%myPlanComm |
463 |
! end if |
464 |
|
465 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_integer, & |
466 |
rbuffer,this_plan%counts,this_plan%displs,mpi_integer, & |
467 |
this_plan%myPlanComm, mpi_err) |
468 |
|
469 |
if (mpi_err /= 0) then |
470 |
if (present(status)) status = -1 |
471 |
endif |
472 |
|
473 |
end subroutine gather_integer |
474 |
|
475 |
subroutine gather_double( sbuffer, rbuffer, this_plan, status) |
476 |
|
477 |
type (gs_plan), intent(in) :: this_plan |
478 |
real( kind = DP ), dimension(:), intent(in) :: sbuffer |
479 |
real( kind = DP ), dimension(:), intent(in) :: rbuffer |
480 |
integer :: noffset |
481 |
integer, intent(out), optional :: status |
482 |
|
483 |
|
484 |
if (present(status)) status = 0 |
485 |
noffset = this_plan%displs(this_plan%myPlanRank) |
486 |
|
487 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
488 |
rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
489 |
this_plan%myPlanComm, mpi_err) |
490 |
|
491 |
if (mpi_err /= 0) then |
492 |
if (present(status)) status = -1 |
493 |
endif |
494 |
|
495 |
end subroutine gather_double |
496 |
|
497 |
subroutine gather_double_2d( sbuffer, rbuffer, this_plan, status) |
498 |
|
499 |
type (gs_plan), intent(in) :: this_plan |
500 |
real( kind = DP ), dimension(:,:), intent(in) :: sbuffer |
501 |
real( kind = DP ), dimension(:,:), intent(in) :: rbuffer |
502 |
integer :: noffset,i,ierror |
503 |
integer, intent(out), optional :: status |
504 |
|
505 |
external mpi_allgatherv |
506 |
|
507 |
if (present(status)) status = 0 |
508 |
|
509 |
! noffset = this_plan%displs(this_plan%me) |
510 |
|
511 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
512 |
rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
513 |
this_plan%myPlanComm, mpi_err) |
514 |
|
515 |
if (mpi_err /= 0) then |
516 |
if (present(status)) status = -1 |
517 |
endif |
518 |
|
519 |
end subroutine gather_double_2d |
520 |
|
521 |
subroutine scatter_double( sbuffer, rbuffer, this_plan, status) |
522 |
|
523 |
type (gs_plan), intent(in) :: this_plan |
524 |
real( kind = DP ), dimension(:), intent(in) :: sbuffer |
525 |
real( kind = DP ), dimension(:), intent(in) :: rbuffer |
526 |
integer, intent(out), optional :: status |
527 |
external mpi_reduce_scatter |
528 |
|
529 |
if (present(status)) status = 0 |
530 |
|
531 |
call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
532 |
mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
533 |
|
534 |
if (mpi_err /= 0) then |
535 |
if (present(status)) status = -1 |
536 |
endif |
537 |
|
538 |
end subroutine scatter_double |
539 |
|
540 |
subroutine scatter_double_2d( sbuffer, rbuffer, this_plan, status) |
541 |
|
542 |
type (gs_plan), intent(in) :: this_plan |
543 |
real( kind = DP ), dimension(:,:), intent(in) :: sbuffer |
544 |
real( kind = DP ), dimension(:,:), intent(in) :: rbuffer |
545 |
integer, intent(out), optional :: status |
546 |
external mpi_reduce_scatter |
547 |
|
548 |
if (present(status)) status = 0 |
549 |
call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
550 |
mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
551 |
|
552 |
if (mpi_err /= 0) then |
553 |
if (present(status)) status = -1 |
554 |
endif |
555 |
|
556 |
end subroutine scatter_double_2d |
557 |
|
558 |
|
559 |
subroutine setTags(tags,status) |
560 |
integer, dimension(:) :: tags |
561 |
integer :: status |
562 |
|
563 |
integer :: alloc_stat |
564 |
|
565 |
integer :: ncol |
566 |
integer :: nrow |
567 |
|
568 |
status = 0 |
569 |
! allocate row arrays |
570 |
nrow = getNrow(plan_row) |
571 |
ncol = getNcol(plan_col) |
572 |
|
573 |
if (.not. allocated(tagRow)) then |
574 |
allocate(tagRow(nrow),STAT=alloc_stat) |
575 |
if (alloc_stat /= 0 ) then |
576 |
status = -1 |
577 |
return |
578 |
endif |
579 |
else |
580 |
deallocate(tagRow) |
581 |
allocate(tagRow(nrow),STAT=alloc_stat) |
582 |
if (alloc_stat /= 0 ) then |
583 |
status = -1 |
584 |
return |
585 |
endif |
586 |
|
587 |
endif |
588 |
! allocate column arrays |
589 |
if (.not. allocated(tagColumn)) then |
590 |
allocate(tagColumn(ncol),STAT=alloc_stat) |
591 |
if (alloc_stat /= 0 ) then |
592 |
status = -1 |
593 |
return |
594 |
endif |
595 |
else |
596 |
deallocate(tagColumn) |
597 |
allocate(tagColumn(ncol),STAT=alloc_stat) |
598 |
if (alloc_stat /= 0 ) then |
599 |
status = -1 |
600 |
return |
601 |
endif |
602 |
endif |
603 |
|
604 |
call gather(tags,tagRow,plan_row) |
605 |
call gather(tags,tagColumn,plan_col) |
606 |
|
607 |
|
608 |
end subroutine setTags |
609 |
|
610 |
pure function getNcol(thisplan) result(ncol) |
611 |
type (gs_plan), intent(in) :: thisplan |
612 |
integer :: ncol |
613 |
ncol = thisplan%gsComponentPlan%nComponentsColumn |
614 |
end function getNcol |
615 |
|
616 |
pure function getNrow(thisplan) result(ncol) |
617 |
type (gs_plan), intent(in) :: thisplan |
618 |
integer :: ncol |
619 |
ncol = thisplan%gsComponentPlan%nComponentsrow |
620 |
end function getNrow |
621 |
|
622 |
function isMPISimSet() result(isthisSimSet) |
623 |
logical :: isthisSimSet |
624 |
if (isSimSet) then |
625 |
isthisSimSet = .true. |
626 |
else |
627 |
isthisSimSet = .false. |
628 |
endif |
629 |
end function isMPISimSet |
630 |
|
631 |
|
632 |
|
633 |
subroutine printComponentPlan(this_plan,printNode) |
634 |
|
635 |
type (mpiComponentPlan), intent(in) :: this_plan |
636 |
integer, optional :: printNode |
637 |
logical :: print_me = .false. |
638 |
|
639 |
if (present(printNode)) then |
640 |
if (printNode == mpiSim%myNode) print_me = .true. |
641 |
else |
642 |
print_me = .true. |
643 |
endif |
644 |
|
645 |
if (print_me) then |
646 |
write(default_error,*) "SetupSimParallel: writing component plan" |
647 |
|
648 |
write(default_error,*) "nMolGlobal: ", mpiSim%nMolGlobal |
649 |
write(default_error,*) "nAtomsGlobal: ", mpiSim%nAtomsGlobal |
650 |
write(default_error,*) "nBondGlobal: ", mpiSim%nBondsGlobal |
651 |
write(default_error,*) "nTorsionsGlobal: ", mpiSim%nTorsionsGlobal |
652 |
write(default_error,*) "nSRIGlobal: ", mpiSim%nSRIGlobal |
653 |
write(default_error,*) "myMolStart: ", mpiSim%myMolStart |
654 |
write(default_error,*) "myMolEnd: ", mpiSim%myMolEnd |
655 |
write(default_error,*) "myMol: ", mpiSim%myMol |
656 |
write(default_error,*) "myNlocal: ", mpiSim%myNlocal |
657 |
write(default_error,*) "myNode: ", mpiSim%myNode |
658 |
write(default_error,*) "numberProcessors: ", mpiSim%numberProcessors |
659 |
write(default_error,*) "rowComm: ", mpiSim%rowComm |
660 |
write(default_error,*) "columnComm: ", mpiSim%columnComm |
661 |
write(default_error,*) "numberRows: ", mpiSim%numberRows |
662 |
write(default_error,*) "numberColumns: ", mpiSim%numberColumns |
663 |
write(default_error,*) "nComponentsRow: ", mpiSim%nComponentsRow |
664 |
write(default_error,*) "nComponentsColumn: ", mpiSim%nComponentsColumn |
665 |
write(default_error,*) "rowIndex: ", mpiSim%rowIndex |
666 |
write(default_error,*) "columnIndex: ", mpiSim%columnIndex |
667 |
endif |
668 |
end subroutine printComponentPlan |
669 |
|
670 |
function getMyNode() result(myNode) |
671 |
integer :: myNode |
672 |
myNode = mpiSim%myNode |
673 |
end function getMyNode |
674 |
|
675 |
|
676 |
end module mpiSimulation |
677 |
|