1 | !*********************************************************************** |
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2 | !* Copyright 2012,2013 * |
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3 | !* Jerome Brioude, Delia Arnold, Andreas Stohl, Wayne Angevine, * |
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4 | !* John Burkhart, Massimo Cassiani, Adam Dingwell, Richard C Easter, Sabine Eckhardt,* |
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5 | !* Stephanie Evan, Jerome D Fast, Don Morton, Ignacio Pisso, * |
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6 | !* Petra Seibert, Gerard Wotawa, Caroline Forster, Harald Sodemann, * |
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7 | !* * |
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8 | !* This file is part of FLEXPART WRF * |
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9 | !* * |
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10 | !* FLEXPART is free software: you can redistribute it and/or modify * |
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11 | !* it under the terms of the GNU General Public License as published by* |
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12 | !* the Free Software Foundation, either version 3 of the License, or * |
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13 | !* (at your option) any later version. * |
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14 | !* * |
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15 | !* FLEXPART is distributed in the hope that it will be useful, * |
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16 | !* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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17 | !* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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18 | !* GNU General Public License for more details. * |
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19 | !* * |
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20 | !* You should have received a copy of the GNU General Public License * |
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21 | !* along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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22 | !*********************************************************************** |
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23 | |
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24 | ! routine used to send integer vectors by MPI |
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25 | ! Author: J. Brioude * |
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26 | ! March 2012 * |
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27 | subroutine sendint_mpi(tag,numpart2,chunksize,direc) |
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28 | |
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29 | use mpi_mod |
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30 | use com_mod |
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31 | implicit none |
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32 | include 'mpif.h' |
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33 | |
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34 | ! character :: varname*20 |
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35 | integer :: chunksize,numpart2,jj1 |
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36 | ! integer :: dummyi(numpart2), |
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37 | ! integer :: dummyi2(chunksize), |
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38 | ! integer :: MPI_COMM_WORLD |
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39 | integer :: myid,ierr,ntasks,ii,jdeb,jfin,jj,direc,tag |
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40 | integer :: jj2,from,jj3 |
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41 | integer, dimension(MPI_STATUS_SIZE) :: status |
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42 | |
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43 | call MPI_COMM_RANK ( MPI_COMM_WORLD, myid, ierr ) |
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44 | call MPI_COMM_SIZE ( MPI_COMM_WORLD, ntasks, ierr ) |
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45 | if (direc.eq.0) then ! the slaves get |
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46 | |
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47 | if (myid.eq.0) then |
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48 | do ii=1,ntasks-1 |
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49 | do jj2=1,chunksize |
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50 | jj=(jj2-1)*ntasks+ii+1 |
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51 | |
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52 | ! do jj=ii+1,numpart2+ii+1,ntasks |
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53 | ! jj2=(jj-ii-1)/ntasks+1 |
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54 | ! dummyi2(jj2)=dummyi(jj) |
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55 | if (tag.eq.1) dummyi2(jj2)=npoint(jj) |
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56 | if (tag.eq.2) dummyi2(jj2)=idt(jj) |
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57 | if (tag.eq.3) dummyi2(jj2)=itra1(jj) |
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58 | if (tag.eq.14) dummyi2(jj2)=itramem(jj) |
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59 | if (tag.eq.15) dummyi2(jj2)=nclass(jj) |
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60 | enddo |
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61 | call MPI_SEND(dummyi2, chunksize, MPI_INTEGER, ii,tag, MPI_COMM_WORLD, ierr) |
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62 | enddo |
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63 | |
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64 | ! chunksize2=int((numpart2-1)/ntasks)+1 |
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65 | ! chunksize2=chunksize |
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66 | ii=0 |
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67 | do jj=1,numpart2,ntasks |
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68 | ii=ii+1 |
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69 | jj2=jj |
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70 | enddo |
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71 | chunksize2=ii+numpart2-jj2 |
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72 | if (tag.eq.1) then |
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73 | do jj=1,numpart2,ntasks |
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74 | jj3=(jj-1)/ntasks+1 |
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75 | mpi_npoint(jj3)=npoint(jj) |
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76 | enddo |
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77 | mpi_npoint(jj3:chunksize2)=npoint(jj2:numpart2) |
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78 | elseif (tag.eq.2) then |
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79 | do jj=1,numpart2,ntasks |
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80 | jj3=(jj-1)/ntasks+1 |
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81 | mpi_idt(jj3)=idt(jj) |
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82 | enddo |
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83 | mpi_idt(jj3:chunksize2)=idt(jj2:numpart2) |
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84 | elseif (tag.eq.3) then |
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85 | do jj=1,numpart2,ntasks |
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86 | jj3=(jj-1)/ntasks+1 |
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87 | mpi_itra1(jj3)=itra1(jj) |
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88 | enddo |
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89 | mpi_itra1(jj3:chunksize2)=itra1(jj2:numpart2) |
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90 | elseif (tag.eq.14) then |
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91 | do jj=1,numpart2,ntasks |
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92 | jj3=(jj-1)/ntasks+1 |
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93 | mpi_itramem(jj3)=itramem(jj) |
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94 | enddo |
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95 | mpi_itramem(jj3:chunksize2)=itramem(jj2:numpart2) |
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96 | elseif (tag.eq.15) then |
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97 | do jj=1,numpart2,ntasks |
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98 | jj3=(jj-1)/ntasks+1 |
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99 | mpi_nclass(jj3)=nclass(jj) |
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100 | enddo |
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101 | mpi_nclass(jj3:chunksize2)=nclass(jj2:numpart2) |
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102 | endif |
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103 | |
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104 | else ! the slaves receive |
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105 | if (tag.eq.1) call MPI_RECV(mpi_npoint, chunksize, MPI_INTEGER, 0,1,MPI_COMM_WORLD,status, ierr) |
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106 | if (tag.eq.2) call MPI_RECV(mpi_idt, chunksize, MPI_INTEGER, 0,2,MPI_COMM_WORLD,status, ierr) |
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107 | if (tag.eq.3) call MPI_RECV(mpi_itra1, chunksize, MPI_INTEGER, 0,3,MPI_COMM_WORLD,status, ierr) |
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108 | if (tag.eq.14) call MPI_RECV(mpi_itramem, chunksize, MPI_INTEGER, 0,14,MPI_COMM_WORLD,status, ierr) |
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109 | if (tag.eq.15) call MPI_RECV(mpi_nclass, chunksize, MPI_INTEGER, 0,15,MPI_COMM_WORLD,status, ierr) |
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110 | endif |
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111 | |
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112 | else ! the master is going to get |
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113 | if (myid.gt.0) then !slaves send |
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114 | if (tag.eq.1) call MPI_SEND(mpi_npoint, chunksize, MPI_INTEGER, 0,1, MPI_COMM_WORLD, ierr) |
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115 | if (tag.eq.2) call MPI_SEND(mpi_idt, chunksize, MPI_INTEGER, 0,2, MPI_COMM_WORLD, ierr) |
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116 | if (tag.eq.3) call MPI_SEND(mpi_itra1, chunksize, MPI_INTEGER, 0,3, MPI_COMM_WORLD, ierr) |
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117 | if (tag.eq.14) call MPI_SEND(mpi_itramem, chunksize, MPI_INTEGER, 0,14, MPI_COMM_WORLD, ierr) |
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118 | if (tag.eq.15) call MPI_SEND(mpi_nclass, chunksize, MPI_INTEGER, 0,15, MPI_COMM_WORLD, ierr) |
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119 | |
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120 | else ! the master gets |
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121 | |
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122 | do from =1,ntasks-1 |
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123 | call MPI_RECV(dummyi2, chunksize, MPI_INTEGER, from,tag, MPI_COMM_WORLD,status,ierr) |
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124 | jj1=(from-1)*chunksize+1 |
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125 | jj2=from*chunksize |
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126 | if (tag.eq.1) npoint(jj1:jj2)=dummyi2(1:chunksize) |
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127 | if (tag.eq.2) idt(jj1:jj2)=dummyi2(1:chunksize) |
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128 | if (tag.eq.3) itra1(jj1:jj2)=dummyi2(1:chunksize) |
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129 | if (tag.eq.14) itramem(jj1:jj2)=dummyi2(1:chunksize) |
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130 | if (tag.eq.15) nclass(jj1:jj2)=dummyi2(1:chunksize) |
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131 | enddo |
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132 | if (tag.eq.1) npoint(jj2+1:numpart2)=mpi_npoint(1:chunksize2) |
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133 | if (tag.eq.2) idt(jj2+1:numpart2)=mpi_idt(1:chunksize2) |
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134 | if (tag.eq.3) itra1(jj2+1:numpart2)=mpi_itra1(1:chunksize2) |
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135 | if (tag.eq.14) itramem(jj2+1:numpart2)=mpi_itramem(1:chunksize2) |
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136 | if (tag.eq.15) nclass(jj2+1:numpart2)=mpi_nclass(1:chunksize2) |
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137 | |
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138 | endif |
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139 | |
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140 | endif |
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141 | |
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142 | end subroutine sendint_mpi |
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