| 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*2 vectors by MPI |
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| 25 | ! Author: J. Brioude * |
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| 26 | ! March 2012 * |
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| 27 | subroutine sendint2_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 | |
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| 32 | implicit none |
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| 33 | include 'mpif.h' |
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| 34 | |
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| 35 | ! character :: varname*20 |
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| 36 | integer :: chunksize,numpart2,jj1 |
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| 37 | ! integer(kind=2) :: dummyi(numpart2), |
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| 38 | ! integer(kind=2) :: dummyi22(numpart2) |
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| 39 | integer :: myid,ierr,ntasks,ii,jdeb,jfin,jj,direc,tag |
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| 40 | ! integer :: MPI_COMM_WORLD |
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| 41 | |
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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 | if (direc.eq.0) then ! the slaves get |
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| 48 | |
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| 49 | if (myid.eq.0) then |
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| 50 | do ii=1,ntasks-1 |
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| 51 | do jj2=1,chunksize |
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| 52 | jj=(jj2-1)*ntasks+ii+1 |
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| 53 | ! do jj=ii+1,numpart2+ii,ntasks |
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| 54 | ! jj2=(jj-ii-1)/ntasks+1 |
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| 55 | ! dummyi2(jj2)=dummyi(jj) |
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| 56 | if (tag.eq.13) dummyi22(jj2)=cbt(jj) |
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| 57 | enddo |
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| 58 | call MPI_SEND(dummyi22, chunksize, MPI_INTEGER2, ii,tag, MPI_COMM_WORLD, ierr) |
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| 59 | enddo |
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| 60 | ! chunksize2=int((numpart2-1)/ntasks)+1 |
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| 61 | ! chunksize2=chunksize |
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| 62 | ii=0 |
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| 63 | do jj=1,numpart2,ntasks |
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| 64 | ii=ii+1 |
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| 65 | jj2=jj |
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| 66 | enddo |
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| 67 | chunksize2=ii+numpart2-jj2 |
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| 68 | |
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| 69 | if (tag.eq.13) then |
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| 70 | do jj=1,numpart2,ntasks |
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| 71 | jj3=(jj-1)/ntasks+1 |
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| 72 | mpi_cbt(jj3)=cbt(jj) |
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| 73 | enddo |
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| 74 | mpi_cbt(jj3:chunksize2)=cbt(jj2:numpart2) |
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| 75 | |
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| 76 | endif |
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| 77 | |
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| 78 | else ! the slaves receive |
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| 79 | if (tag.eq.13) call MPI_RECV(mpi_cbt, chunksize, MPI_INTEGER2, 0,13, MPI_COMM_WORLD,status, ierr) |
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| 80 | endif |
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| 81 | |
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| 82 | else ! the master is going to get |
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| 83 | if (myid.gt.0) then !slaves send |
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| 84 | if (tag.eq.13) call MPI_SEND(mpi_cbt, chunksize, MPI_INTEGER2, 0,13, MPI_COMM_WORLD, ierr) |
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| 85 | |
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| 86 | else ! the master gets |
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| 87 | do from =1,ntasks-1 |
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| 88 | call MPI_RECV(dummyi22, chunksize, MPI_INTEGER2, from,tag, MPI_COMM_WORLD,status,ierr) |
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| 89 | jj1=(from-1)*chunksize+1 |
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| 90 | jj2=from*chunksize |
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| 91 | if (tag.eq.13) cbt(jj1:jj2)=dummyi22(1:chunksize) |
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| 92 | enddo |
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| 93 | if (tag.eq.13) cbt(jj2+1:numpart2)=mpi_cbt(1:chunksize2) |
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| 94 | |
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| 95 | endif |
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| 96 | |
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| 97 | endif |
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| 98 | |
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| 99 | end subroutine sendint2_mpi |
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