| 1 | c*********************************************************************72
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| 2 | subroutine mpi_scan(data1, data2, n, datatype,
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| 3 | & operation, comm, ierror )
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| 4 |
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| 5 | implicit none
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| 6 |
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| 7 | include "mpi_dummy.h"
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| 8 |
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| 9 | integer n
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| 10 |
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| 11 | integer comm
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| 12 | integer data1(n)
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| 13 | integer data2(n)
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| 14 | integer datatype
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| 15 | integer ierror
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| 16 | integer operation ! currently hardwired only for sum only
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| 17 |
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| 18 | ierror = MPI_SUCCESS
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| 19 |
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| 20 | if ( datatype .eq. mpi_double_precision ) then
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| 21 |
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| 22 | call copy ( data2, data1, n )
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| 23 |
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| 24 | else if ( datatype .eq. mpi_integer ) then
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| 25 |
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| 26 | call icopy ( data2, data1, n )
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| 27 |
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| 28 | else if ( datatype .eq. mpi_integer8 ) then
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| 29 |
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| 30 | call i8copy ( data2, data1, n )
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| 31 |
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| 32 | else if ( datatype .eq. mpi_real ) then
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| 33 |
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| 34 | call rrcopy ( data2, data1, n )
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| 35 |
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| 36 | else
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| 37 |
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| 38 | ierror = MPI_FAILURE
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| 39 |
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| 40 | end if
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| 41 |
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| 42 | return
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| 43 | end
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| 44 |
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| 45 | c*********************************************************************72
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| 46 | subroutine mpi_abort ( comm, errorcode, ierror )
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| 47 |
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| 48 | c*********************************************************************72
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| 49 | c
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| 50 | cc MPI_ABORT shuts down the processes in a given communicator.
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| 51 | c
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| 52 | implicit none
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| 53 |
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| 54 | integer comm
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| 55 | integer errorcode
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| 56 | integer ierror
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| 57 | integer MPI_FAILURE
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| 58 | parameter ( MPI_FAILURE = 1 )
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| 59 | integer MPI_SUCCESS
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| 60 | parameter ( MPI_SUCCESS = 0 )
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| 61 |
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| 62 | ierror = MPI_SUCCESS
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| 63 |
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| 64 | write ( *, '(a)' ) ' '
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| 65 | write ( *, '(a)' ) 'MPI_ABORT:'
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| 66 | write ( *, '(a,i12)' )
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| 67 | & ' Shut down with error code = ', errorcode
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| 68 |
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| 69 | stop
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| 70 | end
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| 71 | subroutine mpi_allgather ( data1, nsend, sendtype, data2,
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| 72 | & nrecv, recvtype, comm, ierror )
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| 73 |
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| 74 | c*********************************************************************72
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| 75 | c
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| 76 | cc MPI_ALLGATHER gathers data from all the processes in a communicator.
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| 77 | c
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| 78 | implicit none
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| 79 |
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| 80 | include "mpi_dummy.h"
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| 81 |
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| 82 | integer nsend
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| 83 |
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| 84 | integer comm
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| 85 | integer data1(nsend)
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| 86 | integer data2(nsend)
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| 87 | integer ierror
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| 88 | integer nrecv
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| 89 | integer recvtype
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| 90 | integer sendtype
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| 91 |
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| 92 | ierror = MPI_SUCCESS
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| 93 |
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| 94 | if ( sendtype .eq. mpi_double_precision ) then
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| 95 | call mpi_copy_double_precision ( data1, data2, nsend, ierror )
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| 96 | else if ( sendtype .eq. mpi_integer ) then
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| 97 | call mpi_copy_integer ( data1, data2, nsend, ierror )
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| 98 | else if ( sendtype .eq. mpi_real ) then
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| 99 | call mpi_copy_real ( data1, data2, nsend, ierror )
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| 100 | else
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| 101 | ierror = MPI_FAILURE
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| 102 | end if
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| 103 |
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| 104 | return
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| 105 | end
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| 106 | subroutine mpi_allgatherv ( data1, nsend, sendtype,
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| 107 | & data2, nrecv, ndispls, recvtype, comm, ierror )
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| 108 |
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| 109 | c*********************************************************************72
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| 110 | c
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| 111 | cc MPI_ALLGATHERV gathers data from all the processes in a communicator.
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| 112 | c
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| 113 | implicit none
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| 114 |
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| 115 | include "mpi_dummy.h"
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| 116 |
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| 117 | integer nsend
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| 118 |
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| 119 | integer comm
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| 120 | integer data1(nsend)
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| 121 | integer data2(nsend)
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| 122 | integer ierror
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| 123 | integer ndispls
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| 124 | integer nrecv
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| 125 | integer recvtype
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| 126 | integer sendtype
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| 127 |
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| 128 | ierror = MPI_SUCCESS
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| 129 |
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| 130 | if ( sendtype .eq. mpi_double_precision ) then
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| 131 | call mpi_copy_double_precision ( data1, data2, nsend, ierror )
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| 132 | else if ( sendtype .eq. mpi_integer ) then
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| 133 | call mpi_copy_integer ( data1, data2, nsend, ierror )
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| 134 | else if ( sendtype .eq. mpi_real ) then
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| 135 | call mpi_copy_real ( data1, data2, nsend, ierror )
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| 136 | else
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| 137 | ierror = MPI_FAILURE
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| 138 | end if
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| 139 |
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| 140 | return
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| 141 | end
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| 142 | subroutine mpi_allreduce ( data1, data2, n, datatype,
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| 143 | & operation, comm, ierror )
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| 144 |
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| 145 | c*********************************************************************72
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| 146 | c
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| 147 | cc MPI_ALLREDUCE carries out a reduction operation.
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| 148 | c
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| 149 | implicit none
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| 150 |
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| 151 | include "mpi_dummy.h"
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| 152 |
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| 153 | integer n
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| 154 |
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| 155 | integer comm
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| 156 | integer data1(n)
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| 157 | integer data2(n)
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| 158 | integer datatype
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| 159 | integer ierror
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| 160 | integer operation
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| 161 |
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| 162 | ierror = MPI_SUCCESS
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| 163 |
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| 164 | if ( datatype .eq. mpi_double_precision ) then
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| 165 |
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| 166 | call mpi_reduce_double_precision (
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| 167 | & data1, data2, n, operation, ierror )
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| 168 |
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| 169 | else if ( datatype .eq. mpi_integer ) then
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| 170 |
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| 171 | call mpi_reduce_integer (
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| 172 | & data1, data2, n, operation, ierror )
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| 173 |
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| 174 | else if ( datatype .eq. mpi_integer8 ) then
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| 175 |
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| 176 | call mpi_reduce_integer8(
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| 177 | & data1, data2, n, operation, ierror )
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| 178 |
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| 179 | else if ( datatype .eq. mpi_real ) then
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| 180 |
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| 181 | call mpi_reduce_real (
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| 182 | & data1, data2, n, operation, ierror )
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| 183 |
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| 184 | else
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| 185 |
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| 186 | ierror = MPI_FAILURE
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| 187 |
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| 188 | end if
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| 189 |
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| 190 | return
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| 191 | end
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| 192 |
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| 193 | subroutine mpi_barrier ( comm, ierror )
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| 194 |
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| 195 | c*********************************************************************72
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| 196 | c
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| 197 | cc MPI_BARRIER forces processes within a communicator to wait together.
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| 198 | c
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| 199 | implicit none
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| 200 |
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| 201 | integer comm
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| 202 | integer ierror
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| 203 | integer MPI_FAILURE
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| 204 | parameter ( MPI_FAILURE = 1 )
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| 205 | integer MPI_SUCCESS
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| 206 | parameter ( MPI_SUCCESS = 0 )
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| 207 |
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| 208 | ierror = MPI_FAILURE
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| 209 |
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| 210 | return
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| 211 | end
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| 212 | subroutine mpi_bcast ( data, n, datatype, node, comm, ierror )
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| 213 |
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| 214 | c*********************************************************************72
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| 215 | c
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| 216 | cc MPI_BCAST broadcasts data from one process to all others.
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| 217 | c
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| 218 | implicit none
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| 219 |
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| 220 | integer n
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| 221 |
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| 222 | integer comm
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| 223 | integer data(n)
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| 224 | integer datatype
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| 225 | integer ierror
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| 226 | integer MPI_FAILURE
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| 227 | parameter ( MPI_FAILURE = 1 )
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| 228 | integer MPI_SUCCESS
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| 229 | parameter ( MPI_SUCCESS = 0 )
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| 230 | integer node
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| 231 |
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| 232 | ierror = MPI_SUCCESS
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| 233 |
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| 234 | return
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| 235 | end
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| 236 | subroutine mpi_bsend ( data, n, datatype, iproc, itag,
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| 237 | & comm, ierror )
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| 238 |
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| 239 | c*********************************************************************72
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| 240 | c
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| 241 | cc MPI_BSEND sends data from one process to another, using buffering.
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| 242 | c
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| 243 | implicit none
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| 244 |
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| 245 | integer n
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| 246 |
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| 247 | integer comm
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| 248 | integer data(n)
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| 249 | integer datatype
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| 250 | integer ierror
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| 251 | integer iproc
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| 252 | integer itag
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| 253 | integer MPI_FAILURE
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| 254 | parameter ( MPI_FAILURE = 1 )
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| 255 | integer MPI_SUCCESS
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| 256 | parameter ( MPI_SUCCESS = 0 )
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| 257 |
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| 258 | ierror = MPI_FAILURE
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| 259 |
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| 260 | write ( *, '(a)' ) ' '
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| 261 | write ( *, '(a)' ) 'MPI_BSEND - Error!'
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| 262 | write ( *, '(a)' ) ' Should not send message to self.'
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| 263 |
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| 264 | return
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| 265 | end
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| 266 | subroutine mpi_cart_create ( comm, ldims, dims, periods,
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| 267 | & reorder, comm_cart, ierror )
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| 268 |
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| 269 | c*********************************************************************72
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| 270 | c
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| 271 | cc MPI_CART_CREATE creates a communicator for a Cartesian topology.
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| 272 | c
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| 273 | implicit none
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| 274 |
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| 275 | integer ldims
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| 276 |
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| 277 | integer comm
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| 278 | integer comm_cart
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| 279 | integer dims(*)
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| 280 | integer ierror
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| 281 | integer MPI_FAILURE
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| 282 | parameter ( MPI_FAILURE = 1 )
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| 283 | integer MPI_SUCCESS
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| 284 | parameter ( MPI_SUCCESS = 0 )
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| 285 | logical periods(*)
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| 286 | logical reorder
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| 287 |
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| 288 | ierror = MPI_SUCCESS
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| 289 |
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| 290 | return
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| 291 | end
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| 292 | subroutine mpi_cart_get ( comm, ldims, dims, periods,
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| 293 | & coords, ierror )
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| 294 |
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| 295 | c*********************************************************************72
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| 296 | c
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| 297 | cc MPI_CART_GET returns the "Cartesian coordinates" of the calling process.
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| 298 | c
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| 299 | implicit none
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| 300 |
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| 301 | integer ldims
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| 302 |
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| 303 | integer comm
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| 304 | integer coords(*)
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| 305 | integer dims(*)
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| 306 | integer i
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| 307 | integer ierror
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| 308 | integer MPI_FAILURE
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| 309 | parameter ( MPI_FAILURE = 1 )
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| 310 | integer MPI_SUCCESS
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| 311 | parameter ( MPI_SUCCESS = 0 )
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| 312 | logical periods(*)
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| 313 |
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| 314 | ierror = MPI_SUCCESS
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| 315 |
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| 316 | do i = 1, ldims
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| 317 | coords(i) = 0
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| 318 | end do
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| 319 |
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| 320 | return
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| 321 | end
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| 322 | subroutine mpi_cart_shift ( comm, idir, idisp, isource,
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| 323 | & idest, ierror )
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| 324 |
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| 325 | c*********************************************************************72
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| 326 | c
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| 327 | cc MPI_CART_SHIFT finds the destination and source for Cartesian shifts.
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| 328 | c
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| 329 | implicit none
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| 330 |
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| 331 | integer comm
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| 332 | integer idest
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| 333 | integer idir
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| 334 | integer idisp
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| 335 | integer ierror
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| 336 | integer isource
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| 337 | integer MPI_FAILURE
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| 338 | parameter ( MPI_FAILURE = 1 )
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| 339 | integer MPI_SUCCESS
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| 340 | parameter ( MPI_SUCCESS = 0 )
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| 341 |
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| 342 | ierror = MPI_SUCCESS
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| 343 | isource = 0
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| 344 | idest = 0
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| 345 |
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| 346 | return
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| 347 | end
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| 348 | subroutine mpi_comm_dup ( comm, comm_out, ierror )
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| 349 |
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| 350 | c*********************************************************************72
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| 351 | c
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| 352 | cc MPI_COMM_DUP duplicates a communicator.
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| 353 | c
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| 354 | implicit none
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| 355 |
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| 356 | integer comm
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| 357 | integer comm_out
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| 358 | integer ierror
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| 359 | integer MPI_FAILURE
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| 360 | parameter ( MPI_FAILURE = 1 )
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| 361 | integer MPI_SUCCESS
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| 362 | parameter ( MPI_SUCCESS = 0 )
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| 363 |
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| 364 | ierror = MPI_SUCCESS
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| 365 | comm_out = comm
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| 366 |
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| 367 | return
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| 368 | end
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| 369 | subroutine mpi_comm_free ( comm, ierror )
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| 370 |
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| 371 | c*********************************************************************72
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| 372 | c
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| 373 | cc MPI_COMM_FREE "frees" a communicator.
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| 374 | c
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| 375 | implicit none
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| 376 |
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| 377 | integer comm
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| 378 | integer ierror
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| 379 | integer MPI_FAILURE
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| 380 | parameter ( MPI_FAILURE = 1 )
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| 381 | integer MPI_SUCCESS
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| 382 | parameter ( MPI_SUCCESS = 0 )
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| 383 |
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| 384 | ierror = MPI_SUCCESS
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| 385 |
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| 386 | return
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| 387 | end
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| 388 | subroutine mpi_comm_rank ( comm, me, ierror )
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| 389 |
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| 390 | c*********************************************************************72
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| 391 | c
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| 392 | cc MPI_COMM_RANK reports the rank of the calling process.
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| 393 | c
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| 394 | implicit none
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| 395 |
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| 396 | integer comm
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| 397 | integer ierror
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| 398 | integer me
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| 399 | integer MPI_FAILURE
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| 400 | parameter ( MPI_FAILURE = 1 )
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| 401 | integer MPI_SUCCESS
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| 402 | parameter ( MPI_SUCCESS = 0 )
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| 403 |
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| 404 | ierror = MPI_SUCCESS
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| 405 | me = 0
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| 406 |
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| 407 | return
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| 408 | end
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| 409 | subroutine mpi_comm_size ( comm, nprocs, ierror )
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| 410 |
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| 411 | c*********************************************************************72
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| 412 | c
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| 413 | cc MPI_COMM_SIZE reports the number of processes in a communicator.
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| 414 | c
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| 415 | implicit none
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| 416 |
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| 417 | integer comm
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| 418 | integer ierror
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| 419 | integer MPI_FAILURE
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| 420 | parameter ( MPI_FAILURE = 1 )
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| 421 | integer MPI_SUCCESS
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| 422 | parameter ( MPI_SUCCESS = 0 )
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| 423 | integer nprocs
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| 424 |
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| 425 | ierror = MPI_SUCCESS
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| 426 | nprocs = 1
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| 427 |
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| 428 | return
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| 429 | end
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| 430 | subroutine mpi_comm_split ( comm, icolor, ikey, comm_new,
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| 431 | & ierror )
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| 432 |
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| 433 | c*********************************************************************72
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| 434 | c
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| 435 | cc MPI_COMM_SPLIT splits up a communicator based on a key.
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| 436 | c
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| 437 | implicit none
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| 438 |
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| 439 | integer comm
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| 440 | integer comm_new
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| 441 | integer icolor
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| 442 | integer ierror
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| 443 | integer ikey
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| 444 | integer MPI_FAILURE
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| 445 | parameter ( MPI_FAILURE = 1 )
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| 446 | integer MPI_SUCCESS
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| 447 | parameter ( MPI_SUCCESS = 0 )
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| 448 |
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| 449 | ierror = MPI_SUCCESS
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| 450 |
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| 451 | return
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| 452 | end
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| 453 | subroutine mpi_copy_double_precision ( data1, data2, n, ierror )
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| 454 |
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| 455 | c*********************************************************************72
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| 456 | c
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| 457 | cc MPI_COPY_DOUBLE copies a real*8 vector.
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| 458 | c
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| 459 | implicit none
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| 460 |
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| 461 | integer n
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| 462 |
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| 463 | real*8 data1(n)
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| 464 | real*8 data2(n)
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| 465 | integer i
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| 466 | integer ierror
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| 467 | integer MPI_FAILURE
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| 468 | parameter ( MPI_FAILURE = 1 )
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| 469 | integer MPI_SUCCESS
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| 470 | parameter ( MPI_SUCCESS = 0 )
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| 471 |
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| 472 | ierror = MPI_SUCCESS
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| 473 |
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| 474 | do i = 1, n
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| 475 | data2(i) = data1(i)
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| 476 | end do
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| 477 |
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| 478 | return
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| 479 | end
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| 480 | subroutine mpi_copy_integer ( data1, data2, n, ierror )
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| 481 |
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| 482 | c*********************************************************************72
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| 483 | c
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| 484 | cc MPI_COPY_INTEGER copies an integer vector.
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| 485 | c
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| 486 | implicit none
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| 487 |
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| 488 | integer n
|
|---|
| 489 |
|
|---|
| 490 | integer data1(n)
|
|---|
| 491 | integer data2(n)
|
|---|
| 492 | integer i
|
|---|
| 493 | integer ierror
|
|---|
| 494 | integer MPI_FAILURE
|
|---|
| 495 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 496 | integer MPI_SUCCESS
|
|---|
| 497 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 498 |
|
|---|
| 499 | ierror = MPI_SUCCESS
|
|---|
| 500 |
|
|---|
| 501 | do i = 1, n
|
|---|
| 502 | data2(i) = data1(i)
|
|---|
| 503 | end do
|
|---|
| 504 |
|
|---|
| 505 | return
|
|---|
| 506 | end
|
|---|
| 507 | subroutine mpi_copy_real ( data1, data2, n, ierror )
|
|---|
| 508 |
|
|---|
| 509 | c*********************************************************************72
|
|---|
| 510 | c
|
|---|
| 511 | implicit none
|
|---|
| 512 |
|
|---|
| 513 | integer n
|
|---|
| 514 |
|
|---|
| 515 | real data1(n)
|
|---|
| 516 | real data2(n)
|
|---|
| 517 | integer i
|
|---|
| 518 | integer ierror
|
|---|
| 519 | integer MPI_FAILURE
|
|---|
| 520 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 521 | integer MPI_SUCCESS
|
|---|
| 522 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 523 |
|
|---|
| 524 | ierror = MPI_SUCCESS
|
|---|
| 525 |
|
|---|
| 526 | do i = 1, n
|
|---|
| 527 | data2(i) = data1(i)
|
|---|
| 528 | end do
|
|---|
| 529 |
|
|---|
| 530 | return
|
|---|
| 531 | end
|
|---|
| 532 | subroutine mpi_finalize ( ierror )
|
|---|
| 533 |
|
|---|
| 534 | c*********************************************************************72
|
|---|
| 535 | c
|
|---|
| 536 | cc MPI_FINALIZE shuts down the MPI library.
|
|---|
| 537 | c
|
|---|
| 538 | implicit none
|
|---|
| 539 |
|
|---|
| 540 | integer ierror
|
|---|
| 541 | integer MPI_FAILURE
|
|---|
| 542 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 543 | integer MPI_SUCCESS
|
|---|
| 544 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 545 |
|
|---|
| 546 | ierror = MPI_SUCCESS
|
|---|
| 547 |
|
|---|
| 548 | return
|
|---|
| 549 | end
|
|---|
| 550 | subroutine mpi_get_count ( istatus, datatype, icount, ierror )
|
|---|
| 551 |
|
|---|
| 552 | c*********************************************************************72
|
|---|
| 553 | c
|
|---|
| 554 | cc MPI_GET_COUNT reports the actual number of items transmitted.
|
|---|
| 555 | c
|
|---|
| 556 | implicit none
|
|---|
| 557 |
|
|---|
| 558 | integer datatype
|
|---|
| 559 | integer icount
|
|---|
| 560 | integer ierror
|
|---|
| 561 | integer istatus
|
|---|
| 562 | integer MPI_FAILURE
|
|---|
| 563 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 564 | integer MPI_SUCCESS
|
|---|
| 565 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 566 |
|
|---|
| 567 | ierror = MPI_FAILURE
|
|---|
| 568 |
|
|---|
| 569 | write ( *, '(a)' ) ' '
|
|---|
| 570 | write ( *, '(a)' ) 'MPI_GET_COUNT - Error!'
|
|---|
| 571 | write ( *, '(a)' ) ' Should not query message from self.'
|
|---|
| 572 |
|
|---|
| 573 | return
|
|---|
| 574 | end
|
|---|
| 575 | subroutine mpi_init ( ierror )
|
|---|
| 576 |
|
|---|
| 577 | c*********************************************************************72
|
|---|
| 578 | c
|
|---|
| 579 | cc MPI_INIT initializes the MPI library.
|
|---|
| 580 | c
|
|---|
| 581 | implicit none
|
|---|
| 582 |
|
|---|
| 583 | integer ierror
|
|---|
| 584 | integer MPI_FAILURE
|
|---|
| 585 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 586 | integer MPI_SUCCESS
|
|---|
| 587 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 588 |
|
|---|
| 589 | write(6,*) 'Initialize dummy MPI library'
|
|---|
| 590 | ierror = MPI_SUCCESS
|
|---|
| 591 |
|
|---|
| 592 | return
|
|---|
| 593 | end
|
|---|
| 594 | subroutine mpi_irecv ( data, n, datatype, iproc, itag,
|
|---|
| 595 | & comm, irequest, ierror )
|
|---|
| 596 |
|
|---|
| 597 | c*********************************************************************72
|
|---|
| 598 | c
|
|---|
| 599 | cc MPI_IRECV receives data from another process.
|
|---|
| 600 | c
|
|---|
| 601 | implicit none
|
|---|
| 602 |
|
|---|
| 603 | integer n
|
|---|
| 604 |
|
|---|
| 605 | integer comm
|
|---|
| 606 | integer data(n)
|
|---|
| 607 | integer datatype
|
|---|
| 608 | integer ierror
|
|---|
| 609 | integer iproc
|
|---|
| 610 | integer irequest
|
|---|
| 611 | integer itag
|
|---|
| 612 | integer MPI_FAILURE
|
|---|
| 613 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 614 | integer MPI_SUCCESS
|
|---|
| 615 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 616 |
|
|---|
| 617 | ierror = MPI_FAILURE
|
|---|
| 618 |
|
|---|
| 619 | write ( *, '(a)' ) ' '
|
|---|
| 620 | write ( *, '(a)' ) 'MPI_IRECV - Error!'
|
|---|
| 621 | write ( *, '(a)' ) ' Should not recv message from self.'
|
|---|
| 622 |
|
|---|
| 623 | return
|
|---|
| 624 | end
|
|---|
| 625 | subroutine mpi_isend ( data, n, datatype, iproc, itag,
|
|---|
| 626 | & comm, request, ierror )
|
|---|
| 627 |
|
|---|
| 628 | c*********************************************************************72
|
|---|
| 629 | c
|
|---|
| 630 | cc MPI_ISEND sends data from one process to another using nonblocking transmission.
|
|---|
| 631 | c
|
|---|
| 632 | implicit none
|
|---|
| 633 |
|
|---|
| 634 | integer n
|
|---|
| 635 |
|
|---|
| 636 | integer comm
|
|---|
| 637 | integer data(n)
|
|---|
| 638 | integer datatype
|
|---|
| 639 | integer ierror
|
|---|
| 640 | integer iproc
|
|---|
| 641 | integer itag
|
|---|
| 642 | integer MPI_FAILURE
|
|---|
| 643 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 644 | integer MPI_SUCCESS
|
|---|
| 645 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 646 | integer request
|
|---|
| 647 |
|
|---|
| 648 | request = 0
|
|---|
| 649 | ierror = MPI_FAILURE
|
|---|
| 650 |
|
|---|
| 651 | write ( *, '(a)' ) ' '
|
|---|
| 652 | write ( *, '(a)' ) 'MPI_ISEND - Error!'
|
|---|
| 653 | write ( *, '(a)' ) ' Should not send message to self.'
|
|---|
| 654 |
|
|---|
| 655 | return
|
|---|
| 656 | end
|
|---|
| 657 | subroutine mpi_recv ( data, n, datatype, iproc, itag,
|
|---|
| 658 | & comm, istatus, ierror )
|
|---|
| 659 |
|
|---|
| 660 | c*********************************************************************72
|
|---|
| 661 | c
|
|---|
| 662 | cc MPI_RECV receives data from another process within a communicator.
|
|---|
| 663 | c
|
|---|
| 664 | implicit none
|
|---|
| 665 |
|
|---|
| 666 | integer n
|
|---|
| 667 |
|
|---|
| 668 | integer comm
|
|---|
| 669 | integer data(n)
|
|---|
| 670 | integer datatype
|
|---|
| 671 | integer ierror
|
|---|
| 672 | integer iproc
|
|---|
| 673 | integer istatus
|
|---|
| 674 | integer itag
|
|---|
| 675 | integer MPI_FAILURE
|
|---|
| 676 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 677 | integer MPI_SUCCESS
|
|---|
| 678 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 679 |
|
|---|
| 680 | ierror = MPI_FAILURE
|
|---|
| 681 |
|
|---|
| 682 | write ( *, '(a)' ) ' '
|
|---|
| 683 | write ( *, '(a)' ) 'MPI_RECV - Error!'
|
|---|
| 684 | write ( *, '(a)' ) ' Should not recv message from self.'
|
|---|
| 685 |
|
|---|
| 686 | return
|
|---|
| 687 | end
|
|---|
| 688 | subroutine mpi_reduce ( data1, data2, n, datatype, operation,
|
|---|
| 689 | & receiver, comm, ierror )
|
|---|
| 690 |
|
|---|
| 691 | c*********************************************************************72
|
|---|
| 692 | c
|
|---|
| 693 | cc MPI_REDUCE carries out a reduction operation.
|
|---|
| 694 | c
|
|---|
| 695 | implicit none
|
|---|
| 696 |
|
|---|
| 697 | include "mpi_dummy.h"
|
|---|
| 698 |
|
|---|
| 699 | integer n
|
|---|
| 700 |
|
|---|
| 701 | integer comm
|
|---|
| 702 | integer data1(n)
|
|---|
| 703 | integer data2
|
|---|
| 704 | integer datatype
|
|---|
| 705 | integer ierror
|
|---|
| 706 | integer operation
|
|---|
| 707 | integer receiver
|
|---|
| 708 |
|
|---|
| 709 | ierror = MPI_SUCCESS
|
|---|
| 710 |
|
|---|
| 711 | if ( datatype .eq. mpi_double_precision ) then
|
|---|
| 712 |
|
|---|
| 713 | call mpi_reduce_double_precision (
|
|---|
| 714 | & data1, data2, n, operation, ierror )
|
|---|
| 715 |
|
|---|
| 716 | else if ( datatype .eq. mpi_integer ) then
|
|---|
| 717 |
|
|---|
| 718 | call mpi_reduce_integer (
|
|---|
| 719 | & data1, data2, n, operation, ierror )
|
|---|
| 720 |
|
|---|
| 721 | else if ( datatype .eq. mpi_real ) then
|
|---|
| 722 |
|
|---|
| 723 | call mpi_reduce_real (
|
|---|
| 724 | & data1, data2, n, operation, ierror )
|
|---|
| 725 |
|
|---|
| 726 | else
|
|---|
| 727 |
|
|---|
| 728 | ierror = MPI_FAILURE
|
|---|
| 729 |
|
|---|
| 730 | end if
|
|---|
| 731 |
|
|---|
| 732 | return
|
|---|
| 733 | end
|
|---|
| 734 | subroutine mpi_reduce_double_precision (
|
|---|
| 735 | & data1, data2, n, operation, ierror )
|
|---|
| 736 |
|
|---|
| 737 | c*********************************************************************72
|
|---|
| 738 | c
|
|---|
| 739 | cc MPI_REDUCE_DOUBLE_PRECISION carries out a reduction operation on real*8 values.
|
|---|
| 740 | c
|
|---|
| 741 | implicit none
|
|---|
| 742 |
|
|---|
| 743 | include "mpi_dummy.h"
|
|---|
| 744 |
|
|---|
| 745 | integer n
|
|---|
| 746 |
|
|---|
| 747 | real*8 data1(n)
|
|---|
| 748 | real*8 data2(n)
|
|---|
| 749 | integer i
|
|---|
| 750 | integer ierror
|
|---|
| 751 | integer operation
|
|---|
| 752 |
|
|---|
| 753 |
|
|---|
| 754 | ierror = MPI_SUCCESS
|
|---|
| 755 |
|
|---|
| 756 | do i = 1, n
|
|---|
| 757 | data2(i) = data1(i)
|
|---|
| 758 | end do
|
|---|
| 759 |
|
|---|
| 760 | return
|
|---|
| 761 | end
|
|---|
| 762 |
|
|---|
| 763 | subroutine mpi_reduce_integer8 (
|
|---|
| 764 | & data1, data2, n, operation, ierror )
|
|---|
| 765 |
|
|---|
| 766 | c*********************************************************************72
|
|---|
| 767 | c
|
|---|
| 768 | implicit none
|
|---|
| 769 |
|
|---|
| 770 | include "mpi_dummy.h"
|
|---|
| 771 |
|
|---|
| 772 | integer n
|
|---|
| 773 |
|
|---|
| 774 | integer*8 data1(n)
|
|---|
| 775 | integer*8 data2(n)
|
|---|
| 776 | integer i
|
|---|
| 777 | integer ierror
|
|---|
| 778 | integer operation
|
|---|
| 779 |
|
|---|
| 780 | ierror = MPI_SUCCESS
|
|---|
| 781 |
|
|---|
| 782 | do i = 1, n
|
|---|
| 783 | data2(i) = data1(i)
|
|---|
| 784 | end do
|
|---|
| 785 |
|
|---|
| 786 | ierror = MPI_FAILURE
|
|---|
| 787 |
|
|---|
| 788 | return
|
|---|
| 789 | end
|
|---|
| 790 |
|
|---|
| 791 | subroutine mpi_reduce_integer (
|
|---|
| 792 | & data1, data2, n, operation, ierror )
|
|---|
| 793 |
|
|---|
| 794 | c*********************************************************************72
|
|---|
| 795 | c
|
|---|
| 796 | implicit none
|
|---|
| 797 |
|
|---|
| 798 | include "mpi_dummy.h"
|
|---|
| 799 |
|
|---|
| 800 | integer n
|
|---|
| 801 |
|
|---|
| 802 | integer data1(n)
|
|---|
| 803 | integer data2(n)
|
|---|
| 804 | integer i
|
|---|
| 805 | integer ierror
|
|---|
| 806 | integer operation
|
|---|
| 807 |
|
|---|
| 808 | ierror = MPI_SUCCESS
|
|---|
| 809 |
|
|---|
| 810 | do i = 1, n
|
|---|
| 811 | data2(i) = data1(i)
|
|---|
| 812 | end do
|
|---|
| 813 |
|
|---|
| 814 | ierror = MPI_FAILURE
|
|---|
| 815 |
|
|---|
| 816 | return
|
|---|
| 817 | end
|
|---|
| 818 |
|
|---|
| 819 | subroutine mpi_reduce_real (
|
|---|
| 820 | & data1, data2, n, operation, ierror )
|
|---|
| 821 |
|
|---|
| 822 | c*********************************************************************72
|
|---|
| 823 | c
|
|---|
| 824 | cc MPI_REDUCE_REAL carries out a reduction operation on reals.
|
|---|
| 825 | c
|
|---|
| 826 | c Discussion:
|
|---|
| 827 | c
|
|---|
| 828 | implicit none
|
|---|
| 829 |
|
|---|
| 830 | include "mpi_dummy.h"
|
|---|
| 831 |
|
|---|
| 832 | integer n
|
|---|
| 833 |
|
|---|
| 834 | real data1(n)
|
|---|
| 835 | real data2(n)
|
|---|
| 836 | integer i
|
|---|
| 837 | integer ierror
|
|---|
| 838 | integer operation
|
|---|
| 839 |
|
|---|
| 840 | ierror = MPI_SUCCESS
|
|---|
| 841 |
|
|---|
| 842 | do i = 1, n
|
|---|
| 843 | data2(i) = data1(i)
|
|---|
| 844 | end do
|
|---|
| 845 |
|
|---|
| 846 | return
|
|---|
| 847 | end
|
|---|
| 848 | subroutine mpi_reduce_scatter ( data1, data2, n, datatype,
|
|---|
| 849 | & operation, comm, ierror )
|
|---|
| 850 |
|
|---|
| 851 | c*********************************************************************72
|
|---|
| 852 | c
|
|---|
| 853 | cc MPI_REDUCE_SCATTER collects a message of the same length from each process.
|
|---|
| 854 | c
|
|---|
| 855 | implicit none
|
|---|
| 856 |
|
|---|
| 857 | include "mpi_dummy.h"
|
|---|
| 858 |
|
|---|
| 859 | integer n
|
|---|
| 860 |
|
|---|
| 861 | integer comm
|
|---|
| 862 | integer data1(n)
|
|---|
| 863 | integer data2(n)
|
|---|
| 864 | integer datatype
|
|---|
| 865 | integer ierror
|
|---|
| 866 | integer operation
|
|---|
| 867 |
|
|---|
| 868 | ierror = MPI_SUCCESS
|
|---|
| 869 |
|
|---|
| 870 | if ( datatype .eq. mpi_double_precision ) then
|
|---|
| 871 | call mpi_copy_double_precision ( data1, data2, n, ierror )
|
|---|
| 872 | else if ( datatype .eq. mpi_integer ) then
|
|---|
| 873 | call mpi_copy_integer ( data1, data2, n, ierror )
|
|---|
| 874 | else if ( datatype .eq. mpi_real ) then
|
|---|
| 875 | call mpi_copy_real ( data1, data2, n, ierror )
|
|---|
| 876 | else
|
|---|
| 877 | ierror = MPI_FAILURE
|
|---|
| 878 | end if
|
|---|
| 879 |
|
|---|
| 880 | return
|
|---|
| 881 | end
|
|---|
| 882 | subroutine mpi_rsend ( data, n, datatype, iproc, itag,
|
|---|
| 883 | & comm, ierror )
|
|---|
| 884 |
|
|---|
| 885 | c*********************************************************************72
|
|---|
| 886 | c
|
|---|
| 887 | cc MPI_RSEND "ready sends" data from one process to another.
|
|---|
| 888 | c
|
|---|
| 889 | implicit none
|
|---|
| 890 |
|
|---|
| 891 | integer n
|
|---|
| 892 |
|
|---|
| 893 | integer comm
|
|---|
| 894 | integer data(n)
|
|---|
| 895 | integer datatype
|
|---|
| 896 | integer ierror
|
|---|
| 897 | integer iproc
|
|---|
| 898 | integer itag
|
|---|
| 899 | integer MPI_FAILURE
|
|---|
| 900 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 901 | integer MPI_SUCCESS
|
|---|
| 902 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 903 |
|
|---|
| 904 | ierror = MPI_FAILURE
|
|---|
| 905 |
|
|---|
| 906 | write ( *, '(a)' ) ' '
|
|---|
| 907 | write ( *, '(a)' ) 'MPI_RSEND - Error!'
|
|---|
| 908 | write ( *, '(a)' ) ' Should not send message to self.'
|
|---|
| 909 |
|
|---|
| 910 | return
|
|---|
| 911 | end
|
|---|
| 912 | subroutine mpi_send ( data, n, datatype, iproc, itag,
|
|---|
| 913 | & comm, ierror )
|
|---|
| 914 |
|
|---|
| 915 | c*********************************************************************72
|
|---|
| 916 | c
|
|---|
| 917 | cc MPI_SEND sends data from one process to another.
|
|---|
| 918 | c
|
|---|
| 919 | implicit none
|
|---|
| 920 |
|
|---|
| 921 | integer n
|
|---|
| 922 |
|
|---|
| 923 | integer comm
|
|---|
| 924 | integer data(n)
|
|---|
| 925 | integer datatype
|
|---|
| 926 | integer ierror
|
|---|
| 927 | integer iproc
|
|---|
| 928 | integer itag
|
|---|
| 929 | integer MPI_FAILURE
|
|---|
| 930 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 931 | integer MPI_SUCCESS
|
|---|
| 932 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 933 |
|
|---|
| 934 | ierror = MPI_FAILURE
|
|---|
| 935 |
|
|---|
| 936 | write ( *, '(a)' ) ' '
|
|---|
| 937 | write ( *, '(a)' ) 'MPI_SEND - Error!'
|
|---|
| 938 | write ( *, '(a)' ) ' Should not send message to self.'
|
|---|
| 939 |
|
|---|
| 940 | return
|
|---|
| 941 | end
|
|---|
| 942 | subroutine mpi_wait ( irequest, istatus, ierror )
|
|---|
| 943 |
|
|---|
| 944 | c*********************************************************************72
|
|---|
| 945 | c
|
|---|
| 946 | cc MPI_WAIT waits for an I/O request to complete.
|
|---|
| 947 | c
|
|---|
| 948 | implicit none
|
|---|
| 949 |
|
|---|
| 950 | integer ierror
|
|---|
| 951 | integer irequest
|
|---|
| 952 | integer istatus
|
|---|
| 953 | integer MPI_FAILURE
|
|---|
| 954 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 955 | integer MPI_SUCCESS
|
|---|
| 956 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 957 |
|
|---|
| 958 | ierror = MPI_FAILURE
|
|---|
| 959 |
|
|---|
| 960 | write ( *, '(a)' ) ' '
|
|---|
| 961 | write ( *, '(a)' ) 'MPI_WAIT - Error!'
|
|---|
| 962 | write ( *, '(a)' ) ' Should not wait on message from self.'
|
|---|
| 963 |
|
|---|
| 964 | return
|
|---|
| 965 | end
|
|---|
| 966 | subroutine mpi_waitall ( icount, irequest, istatus, ierror )
|
|---|
| 967 |
|
|---|
| 968 | c*********************************************************************72
|
|---|
| 969 | c
|
|---|
| 970 | cc MPI_WAITALL waits until all I/O requests have completed.
|
|---|
| 971 | c
|
|---|
| 972 | implicit none
|
|---|
| 973 |
|
|---|
| 974 | integer icount
|
|---|
| 975 | integer ierror
|
|---|
| 976 | integer irequest
|
|---|
| 977 | integer istatus
|
|---|
| 978 | integer MPI_FAILURE
|
|---|
| 979 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 980 | integer MPI_SUCCESS
|
|---|
| 981 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 982 |
|
|---|
| 983 | ierror = MPI_FAILURE
|
|---|
| 984 |
|
|---|
| 985 | write ( *, '(a)' ) ' '
|
|---|
| 986 | write ( *, '(a)' ) 'MPI_WAITALL - Error!'
|
|---|
| 987 | write ( *, '(a)' ) ' Should not wait on message from self.'
|
|---|
| 988 |
|
|---|
| 989 | return
|
|---|
| 990 | end
|
|---|
| 991 | subroutine mpi_waitany ( icount, array_of_requests, index,
|
|---|
| 992 | & istatus, ierror )
|
|---|
| 993 |
|
|---|
| 994 | c*********************************************************************72
|
|---|
| 995 | c
|
|---|
| 996 | cc MPI_WAITANY waits until one I/O requests has completed.
|
|---|
| 997 | c
|
|---|
| 998 | implicit none
|
|---|
| 999 |
|
|---|
| 1000 | integer array_of_requests(*)
|
|---|
| 1001 | integer icount
|
|---|
| 1002 | integer ierror
|
|---|
| 1003 | integer index
|
|---|
| 1004 | integer istatus
|
|---|
| 1005 | integer MPI_FAILURE
|
|---|
| 1006 | parameter ( MPI_FAILURE = 1 )
|
|---|
| 1007 | integer MPI_SUCCESS
|
|---|
| 1008 | parameter ( MPI_SUCCESS = 0 )
|
|---|
| 1009 |
|
|---|
| 1010 | ierror = MPI_FAILURE
|
|---|
| 1011 |
|
|---|
| 1012 | write ( *, '(a)' ) ' '
|
|---|
| 1013 | write ( *, '(a)' ) 'MPI_WAITANY - Error!'
|
|---|
| 1014 | write ( *, '(a)' ) ' Should not wait on message from self.'
|
|---|
| 1015 |
|
|---|
| 1016 | return
|
|---|
| 1017 | end
|
|---|
| 1018 | function mpi_wtick ( )
|
|---|
| 1019 |
|
|---|
| 1020 | c*********************************************************************72
|
|---|
| 1021 | c
|
|---|
| 1022 | cc MPI_WTICK returns the time between clock ticks.
|
|---|
| 1023 | c
|
|---|
| 1024 | implicit none
|
|---|
| 1025 |
|
|---|
| 1026 | real*8 mpi_wtick
|
|---|
| 1027 |
|
|---|
| 1028 | mpi_wtick = 1.0D+00
|
|---|
| 1029 |
|
|---|
| 1030 | return
|
|---|
| 1031 | end
|
|---|
| 1032 | function mpi_wtime ( )
|
|---|
| 1033 |
|
|---|
| 1034 | c*********************************************************************72
|
|---|
| 1035 | c
|
|---|
| 1036 | cc MPI_WTIME returns the elapsed wall clock time.
|
|---|
| 1037 | c
|
|---|
| 1038 | implicit none
|
|---|
| 1039 |
|
|---|
| 1040 | real*8 mpi_wtime
|
|---|
| 1041 | real*4 a(2),etime
|
|---|
| 1042 | a(1)=0.0
|
|---|
| 1043 | a(2)=0.0
|
|---|
| 1044 | mpi_wtime = etime(a)
|
|---|
| 1045 |
|
|---|
| 1046 | return
|
|---|
| 1047 | end
|
|---|
| 1048 |
|
|---|
| 1049 | subroutine mpi_initialized(mpi_is_initialized, ierr)
|
|---|
| 1050 |
|
|---|
| 1051 | mpi_is_initialized = 0
|
|---|
| 1052 | ierr = 0
|
|---|
| 1053 |
|
|---|
| 1054 | return
|
|---|
| 1055 | end
|
|---|
| 1056 |
|
|---|
| 1057 | subroutine mpi_comm_create(icomm,igroup,icommd,ierr)
|
|---|
| 1058 |
|
|---|
| 1059 | icommd = 1
|
|---|
| 1060 |
|
|---|
| 1061 | return
|
|---|
| 1062 | end
|
|---|
| 1063 |
|
|---|
| 1064 | subroutine mpi_intercomm_create(ilcomm,ill,ipcomm,irl,itag,
|
|---|
| 1065 | $ newcomm,ierr)
|
|---|
| 1066 |
|
|---|
| 1067 | call exitti('mpi_intercomm_create not supported!$',1)
|
|---|
| 1068 |
|
|---|
| 1069 | return
|
|---|
| 1070 | end
|
|---|
| 1071 |
|
|---|
| 1072 | subroutine mpi_intercomm_merge(icomm,ihigh,icommd,ierr)
|
|---|
| 1073 |
|
|---|
| 1074 | call exitti('mpi_intercomm_merge not supported!$',1)
|
|---|
| 1075 |
|
|---|
| 1076 | return
|
|---|
| 1077 | end
|
|---|
| 1078 |
|
|---|
| 1079 | subroutine mpi_comm_group(icomm,igroup,ierr)
|
|---|
| 1080 |
|
|---|
| 1081 | igroup = 1
|
|---|
| 1082 | ierr = 0
|
|---|
| 1083 |
|
|---|
| 1084 | return
|
|---|
| 1085 | end
|
|---|
| 1086 |
|
|---|
| 1087 | subroutine mpi_group_free
|
|---|
| 1088 |
|
|---|
| 1089 | return
|
|---|
| 1090 | end
|
|---|
| 1091 |
|
|---|
| 1092 | subroutine mpi_comm_get_attr(icomm,ikey,ival,iflag,ierr)
|
|---|
| 1093 |
|
|---|
| 1094 | integer*8 ival
|
|---|
| 1095 | logical iflag
|
|---|
| 1096 |
|
|---|
| 1097 | ival = 9 999 999 ! dummy
|
|---|
| 1098 |
|
|---|
| 1099 | return
|
|---|
| 1100 | end
|
|---|
| 1101 | c
|
|---|
| 1102 |
|
|---|
| 1103 | subroutine mpi_attr_get(icomm,ikey,ival,iflag,ierr)
|
|---|
| 1104 |
|
|---|
| 1105 | logical iflag
|
|---|
| 1106 |
|
|---|
| 1107 | ival = 9 999 999 ! dummy
|
|---|
| 1108 |
|
|---|
| 1109 | return
|
|---|
| 1110 | end
|
|---|
| 1111 | c-----------------------------------------------------------------------
|
|---|
| 1112 | subroutine mpi_type_get_extent(ikey,ib,isize,ierr)
|
|---|
| 1113 |
|
|---|
| 1114 | include "mpi_dummy.h"
|
|---|
| 1115 | integer*8 ib, isize
|
|---|
| 1116 |
|
|---|
| 1117 | if (ikey.eq.MPI_DOUBLE_PRECISION) isize = 8
|
|---|
| 1118 | if (ikey.eq.MPI_INTEGER) isize = 4
|
|---|
| 1119 | if (ikey.eq.MPI_INTEGER8) isize = 8
|
|---|
| 1120 |
|
|---|
| 1121 | ierr = 0
|
|---|
| 1122 |
|
|---|
| 1123 | return
|
|---|
| 1124 | end
|
|---|
| 1125 |
|
|---|
