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 2D real array by MPI |
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25 | ! Author: J. Brioude * |
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26 | ! March 2012 * |
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27 | subroutine sendreal2d_mpi(tag2,numpart2,nspec2,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,ks,jj1 |
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36 | ! real :: dummyr(numpart2,nspec2), |
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37 | ! real :: dummyr2(chunksize) |
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38 | integer :: myid,ierr,ntasks,ii,jdeb,jfin,jj,tag,direc |
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39 | ! integer :: MPI_COMM_WORLD |
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40 | |
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41 | integer :: tag2,nspec2 |
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42 | integer :: jj2,from,jj3 |
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43 | integer, dimension(MPI_STATUS_SIZE) :: status |
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44 | |
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45 | call MPI_COMM_RANK ( MPI_COMM_WORLD, myid, ierr ) |
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46 | call MPI_COMM_SIZE ( MPI_COMM_WORLD, ntasks, ierr ) |
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47 | |
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48 | do ks=1,nspec2 |
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49 | tag=100+ks |
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50 | |
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51 | if (direc.eq.0) then ! the slaves get |
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52 | |
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53 | if (myid.eq.0) then |
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54 | do ii=1,ntasks-1 |
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55 | do jj2=1,chunksize |
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56 | jj=(jj2-1)*ntasks+ii+1 |
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57 | ! do jj=ii+1,numpart2+ii,ntasks |
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58 | ! jj2=(jj-ii-1)/ntasks+1 |
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59 | ! dummyr2(jj2)=dummyr(jj,ks) |
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60 | dummyr2(jj2)=xmass1(jj,ks) |
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61 | enddo |
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62 | call MPI_SEND(dummyr2, chunksize, MPI_REAL, ii,tag,MPI_COMM_WORLD, ierr) |
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63 | enddo |
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64 | |
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65 | ! chunksize2=int((numpart2-1)/ntasks)+1 |
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66 | ! chunksize2=chunksize |
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67 | ii=0 |
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68 | do jj=1,numpart2,ntasks |
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69 | ii=ii+1 |
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70 | jj2=jj |
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71 | enddo |
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72 | chunksize2=ii+numpart2-jj2 |
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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_xmass1(jj3,ks)=xmass1(jj,ks) |
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76 | enddo |
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77 | mpi_xmass1(jj3:chunksize2,ks)=xmass1(jj2:numpart2,ks) |
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78 | |
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79 | else ! slave receive |
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80 | call MPI_RECV(mpi_xmass1(1,ks), chunksize, MPI_REAL, 0,tag, MPI_COMM_WORLD,status, ierr) |
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81 | endif |
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82 | |
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83 | else ! the master is going to get |
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84 | |
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85 | if (myid.gt.0) then !slaves send |
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86 | |
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87 | call MPI_SEND(mpi_xmass1(1,ks), chunksize, MPI_REAL,0,tag, MPI_COMM_WORLD, ierr) |
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88 | |
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89 | else ! the master gets |
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90 | do from =1,ntasks-1 |
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91 | call MPI_RECV(dummyr2, chunksize, MPI_REAL, from,tag, MPI_COMM_WORLD,status,ierr) |
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92 | jj1=(from-1)*chunksize+1 |
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93 | jj2=from*chunksize |
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94 | xmass1(jj1:jj2,ks)=dummyr2(1:chunksize) |
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95 | enddo |
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96 | xmass1(jj2+1:numpart2,ks)=mpi_xmass1(1:chunksize2,ks) |
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97 | |
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98 | endif |
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99 | |
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100 | endif |
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101 | |
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102 | |
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103 | enddo |
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104 | end subroutine sendreal2d_mpi |
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