| 1 | ! |
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| 2 | ! $Id: bands.F90 1279 2009-12-10 09:02:56Z fairhead $ |
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| 3 | ! |
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| 4 | module Bands |
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| 5 | USE parallel |
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| 6 | integer, parameter :: bands_caldyn=1 |
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| 7 | integer, parameter :: bands_vanleer=2 |
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| 8 | integer, parameter :: bands_dissip=3 |
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| 9 | |
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| 10 | INTEGER,dimension(:),allocatable :: jj_Nb_Caldyn |
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| 11 | INTEGER,dimension(:),allocatable :: jj_Nb_vanleer |
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| 12 | INTEGER,dimension(:),allocatable :: jj_Nb_vanleer2 |
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| 13 | INTEGER,dimension(:),allocatable :: jj_Nb_dissip |
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| 14 | INTEGER,dimension(:),allocatable :: jj_Nb_physic |
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| 15 | INTEGER,dimension(:),allocatable :: jj_Nb_physic_bis |
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| 16 | |
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| 17 | TYPE(distrib),SAVE,TARGET :: distrib_Caldyn |
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| 18 | TYPE(distrib),SAVE,TARGET :: distrib_vanleer |
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| 19 | TYPE(distrib),SAVE,TARGET :: distrib_vanleer2 |
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| 20 | TYPE(distrib),SAVE,TARGET :: distrib_dissip |
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| 21 | TYPE(distrib),SAVE,TARGET :: distrib_physic |
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| 22 | TYPE(distrib),SAVE,TARGET :: distrib_physic_bis |
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| 23 | |
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| 24 | INTEGER,dimension(:),allocatable :: distrib_phys |
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| 25 | |
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| 26 | contains |
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| 27 | |
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| 28 | subroutine AllocateBands |
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| 29 | use parallel |
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| 30 | implicit none |
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| 31 | |
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| 32 | allocate(jj_Nb_Caldyn(0:MPI_Size-1)) |
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| 33 | allocate(jj_Nb_vanleer(0:MPI_Size-1)) |
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| 34 | allocate(jj_Nb_vanleer2(0:MPI_Size-1)) |
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| 35 | allocate(jj_Nb_dissip(0:MPI_Size-1)) |
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| 36 | allocate(jj_Nb_physic(0:MPI_Size-1)) |
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| 37 | allocate(jj_Nb_physic_bis(0:MPI_Size-1)) |
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| 38 | allocate(distrib_phys(0:MPI_Size-1)) |
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| 39 | |
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| 40 | end subroutine AllocateBands |
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| 41 | |
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| 42 | subroutine Read_distrib |
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| 43 | use parallel |
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| 44 | implicit none |
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| 45 | |
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| 46 | include "dimensions.h" |
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| 47 | integer :: i,j |
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| 48 | character (len=4) :: siim,sjjm,sllm,sproc |
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| 49 | character (len=255) :: filename |
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| 50 | integer :: unit_number=10 |
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| 51 | integer :: ierr |
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| 52 | |
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| 53 | call AllocateBands |
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| 54 | write(siim,'(i3)') iim |
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| 55 | write(sjjm,'(i3)') jjm |
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| 56 | write(sllm,'(i3)') llm |
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| 57 | write(sproc,'(i3)') mpi_size |
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| 58 | filename='Bands_'//TRIM(ADJUSTL(siim))//'x'//TRIM(ADJUSTL(sjjm))//'x'//TRIM(ADJUSTL(sllm))//'_' & |
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| 59 | //TRIM(ADJUSTL(sproc))//'prc.dat' |
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| 60 | |
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| 61 | OPEN(UNIT=unit_number,FILE=trim(filename),STATUS='old',FORM='formatted',IOSTAT=ierr) |
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| 62 | |
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| 63 | if (ierr==0) then |
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| 64 | |
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| 65 | do i=0,mpi_size-1 |
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| 66 | read (unit_number,*) j,jj_nb_caldyn(i) |
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| 67 | enddo |
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| 68 | |
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| 69 | do i=0,mpi_size-1 |
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| 70 | read (unit_number,*) j,jj_nb_vanleer(i) |
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| 71 | enddo |
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| 72 | |
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| 73 | do i=0,mpi_size-1 |
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| 74 | read (unit_number,*) j,jj_nb_dissip(i) |
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| 75 | enddo |
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| 76 | |
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| 77 | do i=0,mpi_size-1 |
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| 78 | read (unit_number,*) j,distrib_phys(i) |
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| 79 | enddo |
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| 80 | |
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| 81 | CLOSE(unit_number) |
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| 82 | |
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| 83 | else |
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| 84 | do i=0,mpi_size-1 |
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| 85 | jj_nb_caldyn(i)=(jjm+1)/mpi_size |
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| 86 | if (i<MOD(jjm+1,mpi_size)) jj_nb_caldyn(i)=jj_nb_caldyn(i)+1 |
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| 87 | enddo |
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| 88 | |
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| 89 | jj_nb_vanleer(:)=jj_nb_caldyn(:) |
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| 90 | jj_nb_dissip(:)=jj_nb_caldyn(:) |
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| 91 | |
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| 92 | do i=0,mpi_size-1 |
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| 93 | distrib_phys(i)=(iim*(jjm-1)+2)/mpi_size |
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| 94 | IF (i<MOD(iim*(jjm-1)+2,mpi_size)) distrib_phys(i)=distrib_phys(i)+1 |
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| 95 | enddo |
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| 96 | endif |
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| 97 | |
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| 98 | ! distrib_phys(:)=jj_nb_caldyn(:)*iim |
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| 99 | ! distrib_phys(0) = distrib_phys(0) - (iim-1) |
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| 100 | ! distrib_phys(mpi_size-1) = distrib_phys(mpi_size-1) - (iim-1) |
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| 101 | |
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| 102 | end subroutine Read_distrib |
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| 103 | |
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| 104 | |
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| 105 | SUBROUTINE Set_Bands |
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| 106 | USE parallel |
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| 107 | #ifdef CPP_EARTH |
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| 108 | ! Ehouarn: what follows is only related to // physics; for now only for Earth |
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| 109 | USE mod_phys_lmdz_para, ONLY : jj_para_begin,jj_para_end |
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| 110 | #endif |
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| 111 | IMPLICIT NONE |
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| 112 | INCLUDE 'dimensions.h' |
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| 113 | INTEGER :: i |
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| 114 | |
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| 115 | do i=0,mpi_size-1 |
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| 116 | jj_nb_vanleer2(i)=(jjm+1)/mpi_size |
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| 117 | if (i<MOD(jjm+1,mpi_size)) jj_nb_vanleer2(i)=jj_nb_vanleer2(i)+1 |
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| 118 | enddo |
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| 119 | |
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| 120 | #ifdef CPP_EARTH |
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| 121 | ! Ehouarn: what follows is only related to // physics; for now only for Earth |
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| 122 | do i=0,MPI_Size-1 |
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| 123 | jj_Nb_physic(i)=jj_para_end(i)-jj_para_begin(i)+1 |
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| 124 | if (i/=0) then |
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| 125 | if (jj_para_begin(i)==jj_para_end(i-1)) then |
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| 126 | jj_Nb_physic(i-1)=jj_Nb_physic(i-1)-1 |
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| 127 | endif |
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| 128 | endif |
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| 129 | enddo |
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| 130 | |
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| 131 | do i=0,MPI_Size-1 |
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| 132 | jj_Nb_physic_bis(i)=jj_para_end(i)-jj_para_begin(i)+1 |
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| 133 | if (i/=0) then |
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| 134 | if (jj_para_begin(i)==jj_para_end(i-1)) then |
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| 135 | jj_Nb_physic_bis(i)=jj_Nb_physic_bis(i)-1 |
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| 136 | else |
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| 137 | jj_Nb_physic_bis(i-1)=jj_Nb_physic_bis(i-1)+1 |
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| 138 | jj_Nb_physic_bis(i)=jj_Nb_physic_bis(i)-1 |
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| 139 | endif |
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| 140 | endif |
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| 141 | enddo |
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| 142 | #endif |
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| 143 | CALL create_distrib(jj_Nb_Caldyn,distrib_caldyn) |
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| 144 | CALL create_distrib(jj_Nb_vanleer,distrib_vanleer) |
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| 145 | CALL create_distrib(jj_Nb_vanleer2,distrib_vanleer2) |
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| 146 | CALL create_distrib(jj_Nb_dissip,distrib_dissip) |
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| 147 | CALL create_distrib(jj_Nb_physic,distrib_physic) |
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| 148 | CALL create_distrib(jj_Nb_physic_bis,distrib_physic_bis) |
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| 149 | |
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| 150 | distrib_physic_bis%jjb_u=distrib_physic%jjb_u |
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| 151 | distrib_physic_bis%jje_u=distrib_physic%jje_u |
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| 152 | distrib_physic_bis%jjnb_u=distrib_physic%jjnb_u |
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| 153 | |
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| 154 | distrib_physic_bis%ijb_u=distrib_physic%ijb_u |
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| 155 | distrib_physic_bis%ije_u=distrib_physic%ije_u |
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| 156 | distrib_physic_bis%ijnb_u=distrib_physic%ijnb_u |
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| 157 | |
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| 158 | distrib_physic_bis%jjb_v=distrib_physic%jjb_v |
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| 159 | distrib_physic_bis%jje_v=distrib_physic%jje_v |
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| 160 | distrib_physic_bis%jjnb_v=distrib_physic%jjnb_v |
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| 161 | |
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| 162 | distrib_physic_bis%ijb_v=distrib_physic%ijb_v |
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| 163 | distrib_physic_bis%ije_v=distrib_physic%ije_v |
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| 164 | distrib_physic_bis%ijnb_v=distrib_physic%ijnb_v |
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| 165 | |
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| 166 | end subroutine Set_Bands |
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| 167 | |
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| 168 | |
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| 169 | subroutine AdjustBands_caldyn(new_dist) |
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| 170 | use times |
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| 171 | use parallel |
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| 172 | implicit none |
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| 173 | TYPE(distrib),INTENT(INOUT) :: new_dist |
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| 174 | |
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| 175 | real :: minvalue,maxvalue |
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| 176 | integer :: min_proc,max_proc |
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| 177 | integer :: i,j |
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| 178 | real,allocatable,dimension(:) :: value |
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| 179 | integer,allocatable,dimension(:) :: index |
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| 180 | real :: tmpvalue |
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| 181 | integer :: tmpindex |
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| 182 | |
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| 183 | allocate(value(0:mpi_size-1)) |
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| 184 | allocate(index(0:mpi_size-1)) |
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| 185 | |
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| 186 | |
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| 187 | call allgather_timer_average |
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| 188 | |
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| 189 | do i=0,mpi_size-1 |
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| 190 | value(i)=timer_average(jj_nb_caldyn(i),timer_caldyn,i) |
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| 191 | index(i)=i |
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| 192 | enddo |
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| 193 | |
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| 194 | do i=0,mpi_size-2 |
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| 195 | do j=i+1,mpi_size-1 |
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| 196 | if (value(i)>value(j)) then |
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| 197 | tmpvalue=value(i) |
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| 198 | value(i)=value(j) |
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| 199 | value(j)=tmpvalue |
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| 200 | |
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| 201 | tmpindex=index(i) |
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| 202 | index(i)=index(j) |
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| 203 | index(j)=tmpindex |
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| 204 | endif |
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| 205 | enddo |
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| 206 | enddo |
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| 207 | |
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| 208 | maxvalue=value(mpi_size-1) |
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| 209 | max_proc=index(mpi_size-1) |
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| 210 | |
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| 211 | do i=0,mpi_size-2 |
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| 212 | minvalue=value(i) |
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| 213 | min_proc=index(i) |
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| 214 | if (jj_nb_caldyn(max_proc)>3) then |
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| 215 | if (timer_iteration(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc)<=1 ) then |
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| 216 | jj_nb_caldyn(min_proc)=jj_nb_caldyn(min_proc)+1 |
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| 217 | jj_nb_caldyn(max_proc)=jj_nb_caldyn(max_proc)-1 |
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| 218 | exit |
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| 219 | else |
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| 220 | if (timer_average(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc) & |
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| 221 | -timer_delta(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc) < maxvalue) then |
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| 222 | jj_nb_caldyn(min_proc)=jj_nb_caldyn(min_proc)+1 |
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| 223 | jj_nb_caldyn(max_proc)=jj_nb_caldyn(max_proc)-1 |
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| 224 | exit |
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| 225 | endif |
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| 226 | endif |
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| 227 | endif |
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| 228 | enddo |
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| 229 | |
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| 230 | deallocate(value) |
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| 231 | deallocate(index) |
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| 232 | CALL create_distrib(jj_nb_caldyn,new_dist) |
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| 233 | |
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| 234 | end subroutine AdjustBands_caldyn |
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| 235 | |
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| 236 | subroutine AdjustBands_vanleer(new_dist) |
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| 237 | use times |
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| 238 | use parallel |
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| 239 | implicit none |
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| 240 | TYPE(distrib),INTENT(INOUT) :: new_dist |
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| 241 | |
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| 242 | real :: minvalue,maxvalue |
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| 243 | integer :: min_proc,max_proc |
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| 244 | integer :: i,j |
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| 245 | real,allocatable,dimension(:) :: value |
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| 246 | integer,allocatable,dimension(:) :: index |
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| 247 | real :: tmpvalue |
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| 248 | integer :: tmpindex |
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| 249 | |
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| 250 | allocate(value(0:mpi_size-1)) |
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| 251 | allocate(index(0:mpi_size-1)) |
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| 252 | |
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| 253 | |
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| 254 | call allgather_timer_average |
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| 255 | |
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| 256 | do i=0,mpi_size-1 |
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| 257 | value(i)=timer_average(jj_nb_vanleer(i),timer_vanleer,i) |
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| 258 | index(i)=i |
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| 259 | enddo |
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| 260 | |
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| 261 | do i=0,mpi_size-2 |
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| 262 | do j=i+1,mpi_size-1 |
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| 263 | if (value(i)>value(j)) then |
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| 264 | tmpvalue=value(i) |
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| 265 | value(i)=value(j) |
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| 266 | value(j)=tmpvalue |
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| 267 | |
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| 268 | tmpindex=index(i) |
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| 269 | index(i)=index(j) |
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| 270 | index(j)=tmpindex |
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| 271 | endif |
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| 272 | enddo |
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| 273 | enddo |
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| 274 | |
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| 275 | maxvalue=value(mpi_size-1) |
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| 276 | max_proc=index(mpi_size-1) |
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| 277 | |
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| 278 | do i=0,mpi_size-2 |
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| 279 | minvalue=value(i) |
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| 280 | min_proc=index(i) |
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| 281 | |
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| 282 | if (jj_nb_vanleer(max_proc)>3) then |
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| 283 | if (timer_average(jj_nb_vanleer(min_proc)+1,timer_vanleer,min_proc)==0. .or. & |
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| 284 | timer_average(jj_nb_vanleer(max_proc)-1,timer_vanleer,max_proc)==0.) then |
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| 285 | jj_nb_vanleer(min_proc)=jj_nb_vanleer(min_proc)+1 |
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| 286 | jj_nb_vanleer(max_proc)=jj_nb_vanleer(max_proc)-1 |
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| 287 | exit |
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| 288 | else |
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| 289 | if (timer_average(jj_nb_vanleer(min_proc)+1,timer_vanleer,min_proc) < maxvalue) then |
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| 290 | jj_nb_vanleer(min_proc)=jj_nb_vanleer(min_proc)+1 |
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| 291 | jj_nb_vanleer(max_proc)=jj_nb_vanleer(max_proc)-1 |
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| 292 | exit |
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| 293 | endif |
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| 294 | endif |
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| 295 | endif |
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| 296 | enddo |
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| 297 | |
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| 298 | deallocate(value) |
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| 299 | deallocate(index) |
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| 300 | |
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| 301 | CALL create_distrib(jj_nb_vanleer,new_dist) |
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| 302 | |
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| 303 | end subroutine AdjustBands_vanleer |
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| 304 | |
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| 305 | subroutine AdjustBands_dissip(new_dist) |
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| 306 | use times |
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| 307 | use parallel |
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| 308 | implicit none |
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| 309 | TYPE(distrib),INTENT(INOUT) :: new_dist |
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| 310 | |
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| 311 | real :: minvalue,maxvalue |
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| 312 | integer :: min_proc,max_proc |
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| 313 | integer :: i,j |
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| 314 | real,allocatable,dimension(:) :: value |
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| 315 | integer,allocatable,dimension(:) :: index |
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| 316 | real :: tmpvalue |
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| 317 | integer :: tmpindex |
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| 318 | |
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| 319 | allocate(value(0:mpi_size-1)) |
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| 320 | allocate(index(0:mpi_size-1)) |
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| 321 | |
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| 322 | |
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| 323 | call allgather_timer_average |
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| 324 | |
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| 325 | do i=0,mpi_size-1 |
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| 326 | value(i)=timer_average(jj_nb_dissip(i),timer_dissip,i) |
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| 327 | index(i)=i |
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| 328 | enddo |
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| 329 | |
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| 330 | do i=0,mpi_size-2 |
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| 331 | do j=i+1,mpi_size-1 |
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| 332 | if (value(i)>value(j)) then |
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| 333 | tmpvalue=value(i) |
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| 334 | value(i)=value(j) |
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| 335 | value(j)=tmpvalue |
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| 336 | |
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| 337 | tmpindex=index(i) |
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| 338 | index(i)=index(j) |
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| 339 | index(j)=tmpindex |
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| 340 | endif |
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| 341 | enddo |
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| 342 | enddo |
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| 343 | |
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| 344 | maxvalue=value(mpi_size-1) |
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| 345 | max_proc=index(mpi_size-1) |
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| 346 | |
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| 347 | do i=0,mpi_size-2 |
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| 348 | minvalue=value(i) |
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| 349 | min_proc=index(i) |
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| 350 | |
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| 351 | if (jj_nb_dissip(max_proc)>3) then |
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| 352 | if (timer_iteration(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc)<=1) then |
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| 353 | jj_nb_dissip(min_proc)=jj_nb_dissip(min_proc)+1 |
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| 354 | jj_nb_dissip(max_proc)=jj_nb_dissip(max_proc)-1 |
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| 355 | exit |
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| 356 | else |
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| 357 | if (timer_average(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc) & |
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| 358 | - timer_delta(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc) < maxvalue) then |
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| 359 | jj_nb_dissip(min_proc)=jj_nb_dissip(min_proc)+1 |
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| 360 | jj_nb_dissip(max_proc)=jj_nb_dissip(max_proc)-1 |
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| 361 | exit |
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| 362 | endif |
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| 363 | endif |
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| 364 | endif |
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| 365 | enddo |
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| 366 | |
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| 367 | deallocate(value) |
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| 368 | deallocate(index) |
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| 369 | |
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| 370 | CALL create_distrib(jj_nb_dissip,new_dist) |
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| 371 | |
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| 372 | end subroutine AdjustBands_dissip |
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| 373 | |
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| 374 | subroutine AdjustBands_physic |
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| 375 | use times |
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| 376 | #ifdef CPP_EARTH |
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| 377 | ! Ehouarn: what follows is only related to // physics; for now only for Earth |
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| 378 | USE mod_phys_lmdz_para, only : klon_mpi_para_nb |
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| 379 | #endif |
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| 380 | USE parallel |
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| 381 | implicit none |
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| 382 | |
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| 383 | integer :: i,Index |
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| 384 | real,allocatable,dimension(:) :: value |
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| 385 | integer,allocatable,dimension(:) :: Inc |
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| 386 | real :: medium |
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| 387 | integer :: NbTot,sgn |
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| 388 | |
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| 389 | allocate(value(0:mpi_size-1)) |
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| 390 | allocate(Inc(0:mpi_size-1)) |
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| 391 | |
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| 392 | |
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| 393 | call allgather_timer_average |
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| 394 | |
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| 395 | medium=0 |
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| 396 | do i=0,mpi_size-1 |
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| 397 | value(i)=timer_average(jj_nb_physic(i),timer_physic,i) |
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| 398 | medium=medium+value(i) |
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| 399 | enddo |
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| 400 | |
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| 401 | medium=medium/mpi_size |
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| 402 | NbTot=0 |
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| 403 | #ifdef CPP_EARTH |
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| 404 | ! Ehouarn: what follows is only related to // physics; for now only for Earth |
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| 405 | do i=0,mpi_size-1 |
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| 406 | Inc(i)=nint(klon_mpi_para_nb(i)*(medium-value(i))/value(i)) |
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| 407 | NbTot=NbTot+Inc(i) |
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| 408 | enddo |
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| 409 | |
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| 410 | if (NbTot>=0) then |
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| 411 | Sgn=1 |
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| 412 | else |
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| 413 | Sgn=-1 |
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| 414 | NbTot=-NbTot |
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| 415 | endif |
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| 416 | |
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| 417 | Index=0 |
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| 418 | do i=1,NbTot |
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| 419 | Inc(Index)=Inc(Index)-Sgn |
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| 420 | Index=Index+1 |
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| 421 | if (Index>mpi_size-1) Index=0 |
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| 422 | enddo |
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| 423 | |
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| 424 | do i=0,mpi_size-1 |
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| 425 | distrib_phys(i)=klon_mpi_para_nb(i)+inc(i) |
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| 426 | enddo |
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| 427 | #endif |
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| 428 | |
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| 429 | end subroutine AdjustBands_physic |
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| 430 | |
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| 431 | subroutine WriteBands |
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| 432 | USE parallel |
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| 433 | implicit none |
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| 434 | include "dimensions.h" |
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| 435 | |
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| 436 | integer :: i,j |
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| 437 | character (len=4) :: siim,sjjm,sllm,sproc |
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| 438 | character (len=255) :: filename |
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| 439 | integer :: unit_number=10 |
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| 440 | integer :: ierr |
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| 441 | |
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| 442 | write(siim,'(i3)') iim |
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| 443 | write(sjjm,'(i3)') jjm |
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| 444 | write(sllm,'(i3)') llm |
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| 445 | write(sproc,'(i3)') mpi_size |
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| 446 | |
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| 447 | filename='Bands_'//TRIM(ADJUSTL(siim))//'x'//TRIM(ADJUSTL(sjjm))//'x'//TRIM(ADJUSTL(sllm))//'_' & |
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| 448 | //TRIM(ADJUSTL(sproc))//'prc.dat' |
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| 449 | |
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| 450 | OPEN(UNIT=unit_number,FILE=trim(filename),STATUS='replace',FORM='formatted',IOSTAT=ierr) |
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| 451 | |
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| 452 | if (ierr==0) then |
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| 453 | |
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| 454 | ! write (unit_number,*) '*** Bandes caldyn ***' |
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| 455 | do i=0,mpi_size-1 |
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| 456 | write (unit_number,*) i,jj_nb_caldyn(i) |
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| 457 | enddo |
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| 458 | |
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| 459 | ! write (unit_number,*) '*** Bandes vanleer ***' |
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| 460 | do i=0,mpi_size-1 |
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| 461 | write (unit_number,*) i,jj_nb_vanleer(i) |
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| 462 | enddo |
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| 463 | |
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| 464 | ! write (unit_number,*) '*** Bandes dissip ***' |
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| 465 | do i=0,mpi_size-1 |
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| 466 | write (unit_number,*) i,jj_nb_dissip(i) |
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| 467 | enddo |
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| 468 | |
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| 469 | do i=0,mpi_size-1 |
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| 470 | write (unit_number,*) i,distrib_phys(i) |
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| 471 | enddo |
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| 472 | |
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| 473 | CLOSE(unit_number) |
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| 474 | else |
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| 475 | print *,'probleme lors de l ecriture des bandes' |
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| 476 | endif |
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| 477 | |
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| 478 | end subroutine WriteBands |
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| 479 | |
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| 480 | end module Bands |
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| 481 | |
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| 482 | |
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