[6331] | 1 | |
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| 2 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 3 | ! Math and Computer Science Division, Argonne National Laboratory ! |
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| 4 | !----------------------------------------------------------------------- |
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| 5 | !BOP ------------------------------------------------------------------- |
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| 6 | ! |
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| 7 | ! !PROGRAM: RouterTestDis - Test building a router. |
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| 8 | ! |
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| 9 | ! |
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| 10 | ! !DESCRIPTION: Test building a router from output GSMaps on |
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| 11 | ! 2 disjoint sets of processors. |
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| 12 | ! |
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| 13 | program RouterTestDis |
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| 14 | |
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| 15 | ! |
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| 16 | ! !USES: |
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| 17 | ! |
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| 18 | |
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| 19 | use m_GlobalSegMap,only: GlobalSegMap |
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| 20 | use m_GlobalSegMap,only: GSMap_init => init |
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| 21 | use m_GlobalSegMap,only: GSMap_lsize => lsize |
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| 22 | |
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| 23 | use m_Router,only: Router |
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| 24 | use m_Router,only: Router_init => init |
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| 25 | |
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| 26 | use m_MCTWorld,only: MCTWorld_init => init |
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| 27 | use m_ioutil, only : luavail |
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| 28 | use m_stdio, only : stdout,stderr |
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| 29 | use m_die, only : die |
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| 30 | use m_mpif90 |
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| 31 | use m_zeit |
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| 32 | |
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| 33 | implicit none |
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| 34 | |
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| 35 | include "mpif.h" |
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| 36 | |
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| 37 | ! |
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| 38 | !EOP ------------------------------------------------------------------- |
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| 39 | |
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| 40 | ! local variables |
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| 41 | |
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| 42 | character(len=*), parameter :: myname_='RouterTestDis' |
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| 43 | |
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| 44 | integer,dimension(:),pointer :: comps ! array with component ids |
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| 45 | |
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| 46 | |
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| 47 | |
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| 48 | type(GlobalSegMap) :: comp1GSMap |
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| 49 | type(GlobalSegMap) :: comp2GSMap |
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| 50 | type(Router) :: myRout |
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| 51 | |
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| 52 | ! other variables |
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| 53 | integer :: comm1, comm2, rank, nprocs,compid, myID, ier,color |
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| 54 | integer :: mdev1, mdev2, nprocs1,nprocs2,ngseg,gsize |
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| 55 | character*24 :: filename1, filename2 |
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| 56 | integer :: lrank,newcomm,n,junk |
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| 57 | integer, dimension(:), allocatable :: root_start, root_length, root_pe_loc |
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| 58 | |
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| 59 | !----------------------------------------------------------------------- |
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| 60 | ! The Main program. |
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| 61 | ! |
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| 62 | ! This main program initializes MCT |
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| 63 | |
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| 64 | ! Initialize MPI |
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| 65 | call MPI_INIT(ier) |
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| 66 | |
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| 67 | ! Get basic MPI information |
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| 68 | call MPI_COMM_SIZE(MPI_COMM_WORLD,nprocs,ier) |
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| 69 | call MPI_COMM_RANK(MPI_COMM_WORLD,rank,ier) |
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| 70 | |
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| 71 | filename1="T42.8pR" |
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| 72 | filename2="T42.8pC" |
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| 73 | |
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| 74 | ! open up the two files with the GSMap information. |
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| 75 | |
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| 76 | if(rank == 0) then |
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| 77 | mdev1 = luavail() |
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| 78 | open(mdev1,file=trim(filename1),status='old') |
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| 79 | |
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| 80 | mdev2 = luavail() |
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| 81 | open(mdev2,file=trim(filename2),status='old') |
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| 82 | |
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| 83 | |
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| 84 | read(mdev1,*) nprocs1 |
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| 85 | read(mdev2,*) nprocs2 |
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| 86 | |
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| 87 | |
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| 88 | ! This is the disjoint test so need to have enough processors. |
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| 89 | if(nprocs1+nprocs2 .ne. nprocs) then |
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| 90 | write(0,*)"Wrong processor count for exactly 2 disjoint communicators." |
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| 91 | write(0,*)"Need",nprocs1+nprocs2,"got",nprocs |
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| 92 | call die("main","nprocs check") |
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| 93 | endif |
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| 94 | close(mdev1) |
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| 95 | close(mdev2) |
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| 96 | endif |
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| 97 | |
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| 98 | call MPI_BCAST(nprocs1,1,MP_INTEGER,0,MPI_COMM_WORLD,ier) |
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| 99 | call MPI_BCAST(nprocs2,1,MP_INTEGER,0,MPI_COMM_WORLD,ier) |
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| 100 | |
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| 101 | ! Split world into 2 pieces for each component |
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| 102 | color=0 |
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| 103 | if(rank < nprocs1) color=1 |
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| 104 | |
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| 105 | call MPI_COMM_SPLIT(MPI_COMM_WORLD,color,rank,newcomm,ier) |
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| 106 | |
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| 107 | ! ******************************* |
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| 108 | ! Component 1 |
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| 109 | ! ******************************* |
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| 110 | if(color == 0) then |
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| 111 | call MPI_COMM_RANK(newcomm,lrank,ier) |
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| 112 | |
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| 113 | ! build an MCTWorld with 2 components |
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| 114 | call MCTWorld_init(2,MPI_COMM_WORLD,newcomm,1) |
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| 115 | |
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| 116 | ! on non-root proccessors, allocate with length 1 |
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| 117 | if(lrank .ne. 0) then |
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| 118 | |
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| 119 | allocate(root_start(1), root_length(1), & |
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| 120 | root_pe_loc(1), stat=ier) |
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| 121 | if (ier /= 0) then |
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| 122 | call die(myname_, 'allocate((non)root_start...',ier) |
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| 123 | endif |
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| 124 | endif |
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| 125 | |
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| 126 | if(lrank == 0) then |
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| 127 | mdev1 = luavail() |
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| 128 | open(mdev1,file=trim(filename1),status='old') |
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| 129 | read(mdev1,*) junk |
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| 130 | read(mdev1,*) junk |
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| 131 | read(mdev1,*) ngseg |
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| 132 | read(mdev1,*) gsize |
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| 133 | allocate(root_start(ngseg), root_length(ngseg), & |
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| 134 | root_pe_loc(ngseg), stat=ier) |
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| 135 | if (ier /= 0) then |
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| 136 | call die(myname_, 'allocate((non)root_start...',ier) |
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| 137 | endif |
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| 138 | do n=1,ngseg |
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| 139 | read(mdev1,*) root_start(n),root_length(n), & |
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| 140 | root_pe_loc(n) |
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| 141 | enddo |
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| 142 | endif |
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| 143 | |
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| 144 | ! initalize the GSMap from root |
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| 145 | call GSMap_init(comp1GSMap, ngseg, root_start, root_length, & |
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| 146 | root_pe_loc, 0, newcomm, 1) |
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| 147 | |
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| 148 | |
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| 149 | ! initalize the Router with component 2 |
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| 150 | call Router_init(2,comp1GSMap,newcomm,myRout,"Dis1") |
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| 151 | call zeit_allflush(newcomm,0,6) |
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| 152 | |
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| 153 | ! ******************************* |
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| 154 | ! Component 2 |
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| 155 | ! ******************************* |
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| 156 | else |
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| 157 | call MPI_COMM_RANK(newcomm,lrank,ier) |
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| 158 | |
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| 159 | ! build an MCTWorld with 2 components |
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| 160 | call MCTWorld_init(2,MPI_COMM_WORLD,newcomm,2) |
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| 161 | ! on non-root proccessors, allocate with length 1 |
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| 162 | if(lrank .ne. 0) then |
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| 163 | |
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| 164 | allocate(root_start(1), root_length(1), & |
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| 165 | root_pe_loc(1), stat=ier) |
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| 166 | if (ier /= 0) then |
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| 167 | call die(myname_, 'allocate((non)root_start...',ier) |
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| 168 | endif |
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| 169 | endif |
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| 170 | |
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| 171 | if(lrank == 0) then |
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| 172 | mdev2 = luavail() |
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| 173 | open(mdev2,file=trim(filename2),status='old') |
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| 174 | read(mdev2,*) junk |
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| 175 | read(mdev2,*) junk |
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| 176 | read(mdev2,*) ngseg |
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| 177 | read(mdev2,*) gsize |
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| 178 | allocate(root_start(ngseg), root_length(ngseg), & |
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| 179 | root_pe_loc(ngseg), stat=ier) |
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| 180 | if (ier /= 0) then |
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| 181 | call die(myname_, 'allocate((non)root_start...',ier) |
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| 182 | endif |
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| 183 | do n=1,ngseg |
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| 184 | read(mdev2,*) root_start(n),root_length(n), & |
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| 185 | root_pe_loc(n) |
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| 186 | enddo |
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| 187 | endif |
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| 188 | |
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| 189 | ! initalize the GSMap from root |
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| 190 | call GSMap_init(comp2GSMap, ngseg, root_start, root_length, & |
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| 191 | root_pe_loc, 0, newcomm, 2) |
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| 192 | |
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| 193 | ! initalize the Router with component 1 |
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| 194 | call Router_init(1,comp2GSMap,newcomm,myRout,"Dis2") |
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| 195 | call zeit_allflush(newcomm,0,6) |
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| 196 | endif |
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| 197 | |
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| 198 | call MPI_Finalize(ier) |
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| 199 | |
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| 200 | end program RouterTestDis |
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