| 1 | MODULE domtile |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE domtile *** |
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| 4 | !! Tiling utilities |
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| 5 | !!====================================================================== |
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| 6 | !! History : 4.2 ! 2020-12 (D. Calvert) Original code |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! dom_tile : Set/initialise the current tile and domain indices |
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| 11 | !!---------------------------------------------------------------------- |
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| 12 | USE dom_oce ! ocean space and time domain |
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| 13 | ! |
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| 14 | USE prtctl ! Print control (prt_ctl_info routine) |
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| 15 | USE in_out_manager ! I/O manager |
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| 16 | |
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| 17 | IMPLICIT NONE |
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| 18 | PRIVATE |
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| 19 | |
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| 20 | PUBLIC dom_tile ! called by step.F90 |
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| 21 | |
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| 22 | !!---------------------------------------------------------------------- |
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| 23 | !! NEMO/OCE 4.2 , NEMO Consortium (2020) |
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| 24 | !! $Id: domtile.F90 13982 2020-12-04 10:57:05Z hadcv $ |
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| 25 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 26 | !!---------------------------------------------------------------------- |
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| 27 | CONTAINS |
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| 28 | |
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| 29 | SUBROUTINE dom_tile( ktsi, ktsj, ktei, ktej, ktile ) |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! *** ROUTINE dom_tile *** |
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| 32 | !! |
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| 33 | !! ** Purpose : Set tile domain variables |
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| 34 | !! |
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| 35 | !! ** Action : - ktsi, ktsj : start of internal part of domain |
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| 36 | !! - ktei, ktej : end of internal part of domain |
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| 37 | !! - ntile : current tile number |
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| 38 | !! - nijtile : total number of tiles |
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| 39 | !!---------------------------------------------------------------------- |
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| 40 | INTEGER, INTENT(out) :: ktsi, ktsj, ktei, ktej ! Tile domain indices |
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| 41 | INTEGER, INTENT(in), OPTIONAL :: ktile ! Tile number |
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| 42 | INTEGER :: jt ! dummy loop argument |
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| 43 | INTEGER :: iitile, ijtile ! Local integers |
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| 44 | CHARACTER (len=11) :: charout |
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| 45 | !!---------------------------------------------------------------------- |
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| 46 | IF( PRESENT(ktile) .AND. ln_tile ) THEN |
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| 47 | ntile = ktile ! Set domain indices for tile |
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| 48 | ktsi = ntsi_a(ktile) |
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| 49 | ktsj = ntsj_a(ktile) |
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| 50 | ktei = ntei_a(ktile) |
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| 51 | ktej = ntej_a(ktile) |
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| 52 | |
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| 53 | IF(sn_cfctl%l_prtctl) THEN |
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| 54 | WRITE(charout, FMT="('ntile =', I4)") ktile |
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| 55 | CALL prt_ctl_info( charout ) |
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| 56 | ENDIF |
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| 57 | ELSE |
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| 58 | ntile = 0 ! Initialise to full domain |
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| 59 | nijtile = 1 |
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| 60 | ktsi = Nis0 |
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| 61 | ktsj = Njs0 |
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| 62 | ktei = Nie0 |
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| 63 | ktej = Nje0 |
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| 64 | |
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| 65 | IF( ln_tile ) THEN ! Calculate tile domain indices |
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| 66 | iitile = Ni_0 / nn_ltile_i ! Number of tiles |
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| 67 | ijtile = Nj_0 / nn_ltile_j |
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| 68 | IF( MOD( Ni_0, nn_ltile_i ) /= 0 ) iitile = iitile + 1 |
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| 69 | IF( MOD( Nj_0, nn_ltile_j ) /= 0 ) ijtile = ijtile + 1 |
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| 70 | |
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| 71 | nijtile = iitile * ijtile |
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| 72 | ALLOCATE( ntsi_a(0:nijtile), ntsj_a(0:nijtile), ntei_a(0:nijtile), ntej_a(0:nijtile) ) |
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| 73 | |
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| 74 | ntsi_a(0) = ktsi ! Full domain |
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| 75 | ntsj_a(0) = ktsj |
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| 76 | ntei_a(0) = ktei |
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| 77 | ntej_a(0) = ktej |
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| 78 | |
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| 79 | DO jt = 1, nijtile ! Tile domains |
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| 80 | ntsi_a(jt) = Nis0 + nn_ltile_i * MOD(jt - 1, iitile) |
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| 81 | ntsj_a(jt) = Njs0 + nn_ltile_j * ((jt - 1) / iitile) |
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| 82 | ntei_a(jt) = MIN(ntsi_a(jt) + nn_ltile_i - 1, Nie0) |
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| 83 | ntej_a(jt) = MIN(ntsj_a(jt) + nn_ltile_j - 1, Nje0) |
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| 84 | ENDDO |
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| 85 | ENDIF |
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| 86 | |
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| 87 | IF(lwp) THEN ! control print |
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| 88 | WRITE(numout,*) |
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| 89 | WRITE(numout,*) 'dom_tile : Domain tiling decomposition' |
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| 90 | WRITE(numout,*) '~~~~~~~~' |
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| 91 | IF( ln_tile ) THEN |
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| 92 | WRITE(numout,*) iitile, 'tiles in i' |
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| 93 | WRITE(numout,*) ' Starting indices' |
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| 94 | WRITE(numout,*) ' ', (ntsi_a(jt), jt=1, iitile) |
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| 95 | WRITE(numout,*) ' Ending indices' |
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| 96 | WRITE(numout,*) ' ', (ntei_a(jt), jt=1, iitile) |
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| 97 | WRITE(numout,*) ijtile, 'tiles in j' |
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| 98 | WRITE(numout,*) ' Starting indices' |
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| 99 | WRITE(numout,*) ' ', (ntsj_a(jt), jt=1, nijtile, iitile) |
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| 100 | WRITE(numout,*) ' Ending indices' |
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| 101 | WRITE(numout,*) ' ', (ntej_a(jt), jt=1, nijtile, iitile) |
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| 102 | ELSE |
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| 103 | WRITE(numout,*) 'No domain tiling' |
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| 104 | WRITE(numout,*) ' i indices =', ktsi, ':', ktei |
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| 105 | WRITE(numout,*) ' j indices =', ktsj, ':', ktej |
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| 106 | ENDIF |
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| 107 | ENDIF |
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| 108 | ENDIF |
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| 109 | END SUBROUTINE dom_tile |
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| 110 | |
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| 111 | !!====================================================================== |
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| 112 | END MODULE domtile |
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