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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 1.7 2003-09-05 21:28:19 gezelter Exp $, $Date: 2003-09-05 21:28:19 $, $Name: not supported by cvs2svn $, $Revision: 1.7 $ |
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module mpiSimulation |
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use definitions |
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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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|
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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, save :: 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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#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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|
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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, save :: isSimSet = .false. |
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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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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, 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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|
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type (mpiComponentPlan), pointer :: simComponentPlan |
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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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!! 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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|
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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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contains |
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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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write(*,*) 'mpiSim_mod thinks node', thisComponentPlan%myNode, ' has tags(1) = ', tags(1) |
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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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!! 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(9,mpiSim%myNlocal,& |
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mpiSim,mpiSim%rowComm,plan_row_Rotation) |
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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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call plan_gather_scatter(9,mpiSim%myNlocal,& |
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mpiSim,mpiSim%columnComm,plan_col_Rotation) |
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|
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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_row_Rotation) |
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call unplan_gather_scatter(plan_col) |
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call unplan_gather_scatter(plan_col3d) |
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call unplan_gather_scatter(plan_col_Rotation) |
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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(9,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%rowComm,plan_row_Rotation) |
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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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call plan_gather_scatter(9,thisComponentPlan%myNlocal,& |
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thisComponentPlan,thisComponentPlan%rowComm,plan_col_Rotation) |
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|
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|
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end subroutine replanSimParallel |
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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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write(*,*) "UpdateGridComponents: myNlocal ", nComponentsLocal |
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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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write(*,*) "UpdateGridComponents: myNRow ",& |
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thisComponentPlan%nComponentsRow |
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write(*,*) "UpdateGridComponents: myNColumn ",& |
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thisComponentPlan%nComponentsColumn |
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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 |
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subroutine plan_gather_scatter( nDim,nComponents,thisComponentPlan, & |
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thisComm, this_plan,status) |
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integer, intent(in) :: nDim !! Number of dimensions for gather scatter plan |
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integer, intent(in) :: nComponents |
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type (mpiComponentPlan), intent(in), target :: thisComponentPlan |
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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 |
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integer :: ierror |
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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 |
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!! allocated in C++ and there is a significant difference between c and |
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!! f95 pointers.... |
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this_plan%gsComponentPlan => thisComponentPlan |
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|
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! Set this plan size for displs array. |
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this_plan%gsPlanSize = nDim * nComponents |
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|
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! Duplicate communicator for this plan |
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call mpi_comm_dup(thisComm,this_plan%myPlanComm,mpi_err) |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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return |
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end if |
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call mpi_comm_rank(this_plan%myPlanComm,this_plan%myPlanRank,mpi_err) |
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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return |
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end if |
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|
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call mpi_comm_size(this_plan%myPlanComm,this_plan%planNprocs,mpi_err) |
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|
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if (mpi_err /= 0) then |
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if (present(status)) status = -1 |
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return |
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end if |
| 421 |
|
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!! counts and displacements arrays are indexed from 0 to be compatable |
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!! with MPI arrays. |
| 424 |
allocate (this_plan%counts(0:this_plan%planNprocs-1),STAT=ierror) |
| 425 |
if (ierror /= 0) then |
| 426 |
if (present(status)) status = -1 |
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return |
| 428 |
end if |
| 429 |
|
| 430 |
allocate (this_plan%displs(0:this_plan%planNprocs-1),STAT=ierror) |
| 431 |
if (ierror /= 0) then |
| 432 |
if (present(status)) status = -1 |
| 433 |
return |
| 434 |
end if |
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|
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!! gather all the local sizes into a size # processors array. |
| 437 |
call mpi_allgather(this_plan%gsPlanSize,1,mpi_integer,this_plan%counts, & |
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1,mpi_integer,thisComm,mpi_err) |
| 439 |
|
| 440 |
if (mpi_err /= 0) then |
| 441 |
if (present(status)) status = -1 |
| 442 |
return |
| 443 |
end if |
| 444 |
|
| 445 |
|
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!! figure out the total number of particles in this plan |
| 447 |
this_plan%globalPlanSize = sum(this_plan%counts) |
| 448 |
|
| 449 |
|
| 450 |
!! initialize plan displacements. |
| 451 |
this_plan%displs(0) = 0 |
| 452 |
do i = 1, this_plan%planNprocs - 1,1 |
| 453 |
this_plan%displs(i) = this_plan%displs(i-1) + this_plan%counts(i-1) |
| 454 |
end do |
| 455 |
|
| 456 |
|
| 457 |
end subroutine plan_gather_scatter |
| 458 |
|
| 459 |
|
| 460 |
subroutine unplan_gather_scatter(this_plan) |
| 461 |
type (gs_plan), intent(inout) :: this_plan |
| 462 |
|
| 463 |
|
| 464 |
this_plan%gsComponentPlan => null() |
| 465 |
call mpi_comm_free(this_plan%myPlanComm,mpi_err) |
| 466 |
|
| 467 |
deallocate(this_plan%counts) |
| 468 |
deallocate(this_plan%displs) |
| 469 |
|
| 470 |
end subroutine unplan_gather_scatter |
| 471 |
|
| 472 |
subroutine gather_integer( sbuffer, rbuffer, this_plan, status) |
| 473 |
|
| 474 |
type (gs_plan), intent(in) :: this_plan |
| 475 |
integer, dimension(:), intent(in) :: sbuffer |
| 476 |
integer, dimension(:), intent(in) :: rbuffer |
| 477 |
integer :: noffset |
| 478 |
integer, intent(out), optional :: status |
| 479 |
integer :: i |
| 480 |
|
| 481 |
|
| 482 |
|
| 483 |
if (present(status)) status = 0 |
| 484 |
noffset = this_plan%displs(this_plan%myPlanRank) |
| 485 |
|
| 486 |
! if (getmyNode() == 1) then |
| 487 |
! write(*,*) "Node 0 printing allgatherv vars" |
| 488 |
! write(*,*) "Noffset: ", noffset |
| 489 |
! write(*,*) "PlanSize: ", this_plan%gsPlanSize |
| 490 |
! write(*,*) "PlanComm: ", this_plan%myPlanComm |
| 491 |
! end if |
| 492 |
|
| 493 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_integer, & |
| 494 |
rbuffer,this_plan%counts,this_plan%displs,mpi_integer, & |
| 495 |
this_plan%myPlanComm, mpi_err) |
| 496 |
|
| 497 |
if (mpi_err /= 0) then |
| 498 |
if (present(status)) status = -1 |
| 499 |
endif |
| 500 |
|
| 501 |
end subroutine gather_integer |
| 502 |
|
| 503 |
subroutine gather_double( sbuffer, rbuffer, this_plan, status) |
| 504 |
|
| 505 |
type (gs_plan), intent(in) :: this_plan |
| 506 |
real( kind = DP ), dimension(:), intent(in) :: sbuffer |
| 507 |
real( kind = DP ), dimension(:), intent(in) :: rbuffer |
| 508 |
integer :: noffset |
| 509 |
integer, intent(out), optional :: status |
| 510 |
|
| 511 |
|
| 512 |
if (present(status)) status = 0 |
| 513 |
noffset = this_plan%displs(this_plan%myPlanRank) |
| 514 |
#ifdef PROFILE |
| 515 |
commTimeInitial = mpi_wtime() |
| 516 |
#endif |
| 517 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
| 518 |
rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
| 519 |
this_plan%myPlanComm, mpi_err) |
| 520 |
#ifdef PROFILE |
| 521 |
commTimeFinal = mpi_wtime() |
| 522 |
commTime = commTime + commTimeFinal - commTimeInitial |
| 523 |
#endif |
| 524 |
|
| 525 |
if (mpi_err /= 0) then |
| 526 |
if (present(status)) status = -1 |
| 527 |
endif |
| 528 |
|
| 529 |
end subroutine gather_double |
| 530 |
|
| 531 |
subroutine gather_double_2d( sbuffer, rbuffer, this_plan, status) |
| 532 |
|
| 533 |
type (gs_plan), intent(in) :: this_plan |
| 534 |
real( kind = DP ), dimension(:,:), intent(in) :: sbuffer |
| 535 |
real( kind = DP ), dimension(:,:), intent(in) :: rbuffer |
| 536 |
integer :: noffset,i,ierror |
| 537 |
integer, intent(out), optional :: status |
| 538 |
|
| 539 |
external mpi_allgatherv |
| 540 |
|
| 541 |
if (present(status)) status = 0 |
| 542 |
|
| 543 |
! noffset = this_plan%displs(this_plan%me) |
| 544 |
#ifdef PROFILE |
| 545 |
commTimeInitial = mpi_wtime() |
| 546 |
#endif |
| 547 |
|
| 548 |
call mpi_allgatherv(sbuffer,this_plan%gsPlanSize, mpi_double_precision, & |
| 549 |
rbuffer,this_plan%counts,this_plan%displs,mpi_double_precision, & |
| 550 |
this_plan%myPlanComm, mpi_err) |
| 551 |
|
| 552 |
#ifdef PROFILE |
| 553 |
commTimeFinal = mpi_wtime() |
| 554 |
commTime = commTime + commTimeFinal - commTimeInitial |
| 555 |
#endif |
| 556 |
|
| 557 |
if (mpi_err /= 0) then |
| 558 |
if (present(status)) status = -1 |
| 559 |
endif |
| 560 |
|
| 561 |
end subroutine gather_double_2d |
| 562 |
|
| 563 |
subroutine scatter_double( sbuffer, rbuffer, this_plan, status) |
| 564 |
|
| 565 |
type (gs_plan), intent(in) :: this_plan |
| 566 |
real( kind = DP ), dimension(:), intent(in) :: sbuffer |
| 567 |
real( kind = DP ), dimension(:), intent(in) :: rbuffer |
| 568 |
integer, intent(out), optional :: status |
| 569 |
external mpi_reduce_scatter |
| 570 |
|
| 571 |
if (present(status)) status = 0 |
| 572 |
|
| 573 |
#ifdef PROFILE |
| 574 |
commTimeInitial = mpi_wtime() |
| 575 |
#endif |
| 576 |
call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
| 577 |
mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
| 578 |
#ifdef PROFILE |
| 579 |
commTimeFinal = mpi_wtime() |
| 580 |
commTime = commTime + commTimeFinal - commTimeInitial |
| 581 |
#endif |
| 582 |
|
| 583 |
if (mpi_err /= 0) then |
| 584 |
if (present(status)) status = -1 |
| 585 |
endif |
| 586 |
|
| 587 |
end subroutine scatter_double |
| 588 |
|
| 589 |
subroutine scatter_double_2d( sbuffer, rbuffer, this_plan, status) |
| 590 |
|
| 591 |
type (gs_plan), intent(in) :: this_plan |
| 592 |
real( kind = DP ), dimension(:,:), intent(in) :: sbuffer |
| 593 |
real( kind = DP ), dimension(:,:), intent(in) :: rbuffer |
| 594 |
integer, intent(out), optional :: status |
| 595 |
external mpi_reduce_scatter |
| 596 |
|
| 597 |
if (present(status)) status = 0 |
| 598 |
#ifdef PROFILE |
| 599 |
commTimeInitial = mpi_wtime() |
| 600 |
#endif |
| 601 |
|
| 602 |
call mpi_reduce_scatter(sbuffer,rbuffer, this_plan%counts, & |
| 603 |
mpi_double_precision, MPI_SUM, this_plan%myPlanComm, mpi_err) |
| 604 |
#ifdef PROFILE |
| 605 |
commTimeFinal = mpi_wtime() |
| 606 |
commTime = commTime + commTimeFinal - commTimeInitial |
| 607 |
#endif |
| 608 |
|
| 609 |
if (mpi_err /= 0) then |
| 610 |
if (present(status)) status = -1 |
| 611 |
endif |
| 612 |
|
| 613 |
end subroutine scatter_double_2d |
| 614 |
|
| 615 |
|
| 616 |
subroutine setTags(tags,status) |
| 617 |
integer, dimension(:) :: tags |
| 618 |
integer :: status |
| 619 |
|
| 620 |
integer :: alloc_stat |
| 621 |
|
| 622 |
integer :: ncol |
| 623 |
integer :: nrow |
| 624 |
|
| 625 |
status = 0 |
| 626 |
! allocate row arrays |
| 627 |
nrow = getNrow(plan_row) |
| 628 |
ncol = getNcol(plan_col) |
| 629 |
|
| 630 |
if (.not. allocated(tagRow)) then |
| 631 |
allocate(tagRow(nrow),STAT=alloc_stat) |
| 632 |
if (alloc_stat /= 0 ) then |
| 633 |
status = -1 |
| 634 |
return |
| 635 |
endif |
| 636 |
else |
| 637 |
deallocate(tagRow) |
| 638 |
allocate(tagRow(nrow),STAT=alloc_stat) |
| 639 |
if (alloc_stat /= 0 ) then |
| 640 |
status = -1 |
| 641 |
return |
| 642 |
endif |
| 643 |
|
| 644 |
endif |
| 645 |
! allocate column arrays |
| 646 |
if (.not. allocated(tagColumn)) then |
| 647 |
allocate(tagColumn(ncol),STAT=alloc_stat) |
| 648 |
if (alloc_stat /= 0 ) then |
| 649 |
status = -1 |
| 650 |
return |
| 651 |
endif |
| 652 |
else |
| 653 |
deallocate(tagColumn) |
| 654 |
allocate(tagColumn(ncol),STAT=alloc_stat) |
| 655 |
if (alloc_stat /= 0 ) then |
| 656 |
status = -1 |
| 657 |
return |
| 658 |
endif |
| 659 |
endif |
| 660 |
|
| 661 |
call gather(tags,tagRow,plan_row) |
| 662 |
call gather(tags,tagColumn,plan_col) |
| 663 |
|
| 664 |
end subroutine setTags |
| 665 |
|
| 666 |
pure function getNcol(thisplan) result(ncol) |
| 667 |
type (gs_plan), intent(in) :: thisplan |
| 668 |
integer :: ncol |
| 669 |
ncol = thisplan%gsComponentPlan%nComponentsColumn |
| 670 |
end function getNcol |
| 671 |
|
| 672 |
pure function getNrow(thisplan) result(nrow) |
| 673 |
type (gs_plan), intent(in) :: thisplan |
| 674 |
integer :: nrow |
| 675 |
nrow = thisplan%gsComponentPlan%nComponentsRow |
| 676 |
end function getNrow |
| 677 |
|
| 678 |
function isMPISimSet() result(isthisSimSet) |
| 679 |
logical :: isthisSimSet |
| 680 |
if (isSimSet) then |
| 681 |
isthisSimSet = .true. |
| 682 |
else |
| 683 |
isthisSimSet = .false. |
| 684 |
endif |
| 685 |
end function isMPISimSet |
| 686 |
|
| 687 |
|
| 688 |
|
| 689 |
subroutine printComponentPlan(this_plan,printNode) |
| 690 |
|
| 691 |
type (mpiComponentPlan), intent(in) :: this_plan |
| 692 |
integer, optional :: printNode |
| 693 |
logical :: print_me = .false. |
| 694 |
|
| 695 |
if (present(printNode)) then |
| 696 |
if (printNode == mpiSim%myNode) print_me = .true. |
| 697 |
else |
| 698 |
print_me = .true. |
| 699 |
endif |
| 700 |
|
| 701 |
if (print_me) then |
| 702 |
write(default_error,*) "SetupSimParallel: writing component plan" |
| 703 |
|
| 704 |
write(default_error,*) "nMolGlobal: ", mpiSim%nMolGlobal |
| 705 |
write(default_error,*) "nAtomsGlobal: ", mpiSim%nAtomsGlobal |
| 706 |
write(default_error,*) "nBondGlobal: ", mpiSim%nBondsGlobal |
| 707 |
write(default_error,*) "nTorsionsGlobal: ", mpiSim%nTorsionsGlobal |
| 708 |
write(default_error,*) "nSRIGlobal: ", mpiSim%nSRIGlobal |
| 709 |
write(default_error,*) "myNlocal: ", mpiSim%myNlocal |
| 710 |
write(default_error,*) "myNode: ", mpiSim%myNode |
| 711 |
write(default_error,*) "numberProcessors: ", mpiSim%numberProcessors |
| 712 |
write(default_error,*) "rowComm: ", mpiSim%rowComm |
| 713 |
write(default_error,*) "columnComm: ", mpiSim%columnComm |
| 714 |
write(default_error,*) "numberRows: ", mpiSim%numberRows |
| 715 |
write(default_error,*) "numberColumns: ", mpiSim%numberColumns |
| 716 |
write(default_error,*) "nComponentsRow: ", mpiSim%nComponentsRow |
| 717 |
write(default_error,*) "nComponentsColumn: ", mpiSim%nComponentsColumn |
| 718 |
write(default_error,*) "rowIndex: ", mpiSim%rowIndex |
| 719 |
write(default_error,*) "columnIndex: ", mpiSim%columnIndex |
| 720 |
endif |
| 721 |
end subroutine printComponentPlan |
| 722 |
|
| 723 |
function getMyNode() result(myNode) |
| 724 |
integer :: myNode |
| 725 |
myNode = mpiSim%myNode |
| 726 |
end function getMyNode |
| 727 |
|
| 728 |
#ifdef PROFILE |
| 729 |
subroutine printCommTime() |
| 730 |
|
| 731 |
write(*,*) "MPI communication time is: ", commTime |
| 732 |
|
| 733 |
end subroutine printCommTime |
| 734 |
#endif |
| 735 |
|
| 736 |
#endif // is_mpi |
| 737 |
end module mpiSimulation |
| 738 |
|
| 739 |
|
