[6328] | 1 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2 | ! Math and Computer Science Division, Argonne National Laboratory ! |
---|
| 3 | !----------------------------------------------------------------------- |
---|
| 4 | ! CVS $Id: model.F90,v 1.8 2004-04-23 20:56:23 jacob Exp $ |
---|
| 5 | ! CVS $Name: $ |
---|
| 6 | !BOP ------------------------------------------------------------------- |
---|
| 7 | ! |
---|
| 8 | ! !ROUTINE: model -- generic model for unit tester |
---|
| 9 | ! |
---|
| 10 | ! !DESCRIPTION: |
---|
| 11 | ! A generic model subroutine to test functionality of MCT. |
---|
| 12 | ! |
---|
| 13 | ! !INTERFACE: |
---|
| 14 | ! |
---|
| 15 | subroutine model (comm,ncomps,compid) |
---|
| 16 | ! |
---|
| 17 | ! !USES: |
---|
| 18 | ! |
---|
| 19 | ! Get the things needed from MCT by "Use,only" with renaming: |
---|
| 20 | ! |
---|
| 21 | !---Component Model Registry |
---|
| 22 | use m_MCTWorld,only: MCTWorld_init => init |
---|
| 23 | use m_MCTWorld,only: MCTWorld_clean => clean |
---|
| 24 | !---Domain Decomposition Descriptor DataType and associated methods |
---|
| 25 | use m_GlobalSegMap,only: GlobalSegMap |
---|
| 26 | use m_GlobalSegMap,only: GlobalSegMap_init => init |
---|
| 27 | use m_GlobalSegMap,only: GlobalSegMap_lsize => lsize |
---|
| 28 | use m_GlobalSegMap,only: GlobalSegMap_clean => clean |
---|
| 29 | use m_GlobalSegMap,only: GlobalSegMap_Ordpnts => OrderedPoints |
---|
| 30 | !---Field Storage DataType and associated methods |
---|
| 31 | use m_AttrVect,only : AttrVect |
---|
| 32 | use m_AttrVect,only : AttrVect_init => init |
---|
| 33 | use m_AttrVect,only : AttrVect_clean => clean |
---|
| 34 | use m_AttrVect,only : AttrVect_indxR => indexRA |
---|
| 35 | use m_AttrVect,only : AttrVect_importRAttr => importRAttr |
---|
| 36 | !---Intercomponent communications scheduler |
---|
| 37 | use m_Router,only: Router |
---|
| 38 | use m_Router,only: Router_init => init |
---|
| 39 | use m_Router,only: Router_clean => clean |
---|
| 40 | !---Intercomponent transfer |
---|
| 41 | use m_Transfer,only : MCT_Send => send |
---|
| 42 | use m_Transfer,only : MCT_Recv => recv |
---|
| 43 | !---Stored Grid data |
---|
| 44 | |
---|
| 45 | implicit none |
---|
| 46 | |
---|
| 47 | include "mpif.h" |
---|
| 48 | |
---|
| 49 | ! !INPUT PARAMETERS: |
---|
| 50 | |
---|
| 51 | integer,intent(in) :: comm ! MPI communicator for this component |
---|
| 52 | integer,intent(in) :: ncomps ! total number of models in coupled system |
---|
| 53 | integer,intent(in) :: compid ! the integer id of this model |
---|
| 54 | ! |
---|
| 55 | !EOP ___________________________________________________________________ |
---|
| 56 | |
---|
| 57 | ! local variables |
---|
| 58 | |
---|
| 59 | ! parameters for this model |
---|
| 60 | character(len=*), parameter :: modelname='model.F90' |
---|
| 61 | integer,parameter :: nxa = 128 ! number of points in x-direction |
---|
| 62 | integer,parameter :: nya = 64 ! number of points in y-direction |
---|
| 63 | |
---|
| 64 | integer :: i,j,k |
---|
| 65 | |
---|
| 66 | ! note decleration of instances of MCT defined types. |
---|
| 67 | ! MPI variables |
---|
| 68 | integer :: rank, nprocs, root, CplID, ierr |
---|
| 69 | ! Grid variables |
---|
| 70 | integer :: localsize |
---|
| 71 | ! GlobalSegMap variables |
---|
| 72 | type(GlobalSegMap) :: GSMap ! MCT defined type |
---|
| 73 | integer,dimension(1) :: start,length |
---|
| 74 | integer, dimension(:), pointer :: points |
---|
| 75 | ! AttrVect variables |
---|
| 76 | type(AttrVect) :: AV ! MCT defined type |
---|
| 77 | real, dimension(:), pointer :: avdata |
---|
| 78 | integer :: avsize |
---|
| 79 | ! Router variables |
---|
| 80 | type(Router) :: Rout ! MCT defined type |
---|
| 81 | ! _____________________________________________________________________ |
---|
| 82 | |
---|
| 83 | |
---|
| 84 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 85 | ! INITIALIZATION PHASE |
---|
| 86 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 87 | |
---|
| 88 | ! Get local rank and size |
---|
| 89 | call MPI_COMM_RANK (comm,rank, ierr) |
---|
| 90 | call MPI_COMM_SIZE(comm,nprocs,ierr) |
---|
| 91 | root = 0 |
---|
| 92 | |
---|
| 93 | if(rank==0) write(6,*) modelname,' MyID ', compid |
---|
| 94 | if(rank==0) write(6,*) modelname,' Num procs ', nprocs |
---|
| 95 | |
---|
| 96 | ! Initialize MCTworld |
---|
| 97 | call MCTWorld_init(ncomps,MPI_COMM_WORLD,comm,compid) |
---|
| 98 | |
---|
| 99 | |
---|
| 100 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 101 | ! Initialize a Global Segment Map |
---|
| 102 | |
---|
| 103 | ! set up a 1-d decomposition. |
---|
| 104 | ! there is just 1 segment per processor |
---|
| 105 | localsize = nxa*nya / nprocs |
---|
| 106 | |
---|
| 107 | ! we'll use the distributed init of GSMap so |
---|
| 108 | ! initialize start and length arrays for this processor |
---|
| 109 | start(1) = (rank*localsize) + 1 |
---|
| 110 | length(1) = localsize |
---|
| 111 | |
---|
| 112 | ! initialize the GSMap |
---|
| 113 | call GlobalSegMap_init(GSMap,start,length,root,comm,compid) |
---|
| 114 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 115 | |
---|
| 116 | |
---|
| 117 | ! Use a GSMap function: |
---|
| 118 | ! return the points local to this processor |
---|
| 119 | ! in their assumed order. |
---|
| 120 | call GlobalSegMap_Ordpnts(GSMap,rank,points) |
---|
| 121 | |
---|
| 122 | |
---|
| 123 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 124 | ! Initialize an Attribute vector |
---|
| 125 | |
---|
| 126 | ! size is the number of grid point on this processor |
---|
| 127 | avsize = GlobalSegMap_lsize(GSMap,comm) |
---|
| 128 | if(rank==0) write(6,*) modelname, ' localsize ', avsize |
---|
| 129 | |
---|
| 130 | ! initialize Av with two real attributes. |
---|
| 131 | call AttrVect_init(AV,rList="field1:field2",lsize=avsize) |
---|
| 132 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 133 | |
---|
| 134 | |
---|
| 135 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 136 | ! Initialize a router to the coupler component. |
---|
| 137 | ! |
---|
| 138 | ! Need to know the integer ID of the coupler. |
---|
| 139 | CplID = 2 |
---|
| 140 | call Router_init(CplID,GSMap,comm,Rout) |
---|
| 141 | |
---|
| 142 | ! create an array used in RUN |
---|
| 143 | allocate(avdata(avsize),stat=ierr) |
---|
| 144 | !!! END OF INIT !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 145 | |
---|
| 146 | |
---|
| 147 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 148 | ! RUN PHASE |
---|
| 149 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 150 | |
---|
| 151 | |
---|
| 152 | do j=1,10 ! "timestep" loop |
---|
| 153 | |
---|
| 154 | |
---|
| 155 | ! model calculations |
---|
| 156 | |
---|
| 157 | |
---|
| 158 | ! load data into aV |
---|
| 159 | ! load the first field using "import" method. |
---|
| 160 | ! First field will be a constant real number. |
---|
| 161 | avdata=30.0 |
---|
| 162 | call AttrVect_importRAttr(AV,"field1",avdata) |
---|
| 163 | |
---|
| 164 | ! Load the second field using direct access |
---|
| 165 | ! Second field will be the indicies of each grid point |
---|
| 166 | ! in the grid point numbering scheme. |
---|
| 167 | do i=1,avsize |
---|
| 168 | AV%rAttr(AttrVect_indxR(AV,"field2"),i) = points(i) |
---|
| 169 | enddo |
---|
| 170 | |
---|
| 171 | ! Send the data |
---|
| 172 | ! this is a synchronization point between the coupler and |
---|
| 173 | ! this model. |
---|
| 174 | if(rank==0) write(6,*) modelname,' sending data step ',j |
---|
| 175 | call MCT_Send(AV,Rout) |
---|
| 176 | |
---|
| 177 | |
---|
| 178 | ! more model calculations |
---|
| 179 | |
---|
| 180 | |
---|
| 181 | enddo |
---|
| 182 | |
---|
| 183 | !!! END OF RUN !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 184 | |
---|
| 185 | |
---|
| 186 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 187 | ! FINALIZE PHASE |
---|
| 188 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 189 | ! clean up |
---|
| 190 | call Router_clean(Rout) |
---|
| 191 | call AttrVect_clean(AV) |
---|
| 192 | call GlobalSegMap_clean(GSMap) |
---|
| 193 | call MCTWorld_clean() |
---|
| 194 | if(rank==0) write(6,*) modelname,' done' |
---|
| 195 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
---|
| 196 | |
---|
| 197 | end subroutine model |
---|
| 198 | |
---|