[3432] | 1 | MODULE mapcomm_mod |
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| 2 | USE in_out_manager, ONLY: numout, lwp |
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[3837] | 3 | USE par_oce, ONLY: jpiglo, jpjglo, jpreci, jprecj, jpi, jpk |
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[3432] | 4 | USE dom_oce, ONLY: nlei, nlej, nldi, nldj, nlci, nlcj, narea, & |
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| 5 | nleit, nlejt, nldit, nldjt, nlcit, nlcjt, & |
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| 6 | nimpp, nimppt |
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| 7 | IMPLICIT NONE |
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| 8 | |
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[3837] | 9 | #define ARPDEBUG |
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[3432] | 10 | |
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| 11 | PRIVATE |
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| 12 | |
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| 13 | ! No. of processes being partitioned over. Set in partition_mod() and |
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| 14 | ! used in both that module and this. |
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| 15 | INTEGER, SAVE :: nprocp |
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| 16 | |
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| 17 | ! Process ids of ensemble member processes in a linear list. |
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| 18 | INTEGER, ALLOCATABLE, DIMENSION(:) :: procid |
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| 19 | |
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| 20 | ! Information held by the ensemble leader about all processes. |
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| 21 | ! pnactive Number of active points in each sub-domain. |
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| 22 | ! pielb Lower (west) longitude bound index. |
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| 23 | ! pieub Upper (east) longitude bound index. |
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| 24 | ! piesub Number of longitude gridpoints. |
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| 25 | ! pilbext True if the lower longitude boundary is external. |
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| 26 | ! piubext True if the upper longitude boundary is external. |
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| 27 | ! pjelb Lower (south) latitude bound index. |
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| 28 | ! pjeub Upper (north) latitude bound index. |
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| 29 | ! pjesub Number of latitude gridpoints. |
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| 30 | ! pjlbext True if the lower latitude boundary is external. |
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| 31 | ! pjubext True if the upper latitude boundary is external. |
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| 32 | |
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| 33 | INTEGER, ALLOCATABLE, DIMENSION(:) :: pnactive, & |
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| 34 | pielb, pieub, piesub, pjelb, pjeub, pjesub |
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| 35 | LOGICAL, ALLOCATABLE, DIMENSION(:) :: pilbext, piubext, pjlbext, pjubext |
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| 36 | |
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| 37 | ! Communications lists (one for sending, one for receiving) |
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| 38 | |
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| 39 | ! nsend Number of messages to be sent. |
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| 40 | ! dirsend Direction. |
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| 41 | ! destination Destination process id. |
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| 42 | ! isrcsend X coordinate of source data. |
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| 43 | ! jsrcsend Y coordinate of source data. |
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| 44 | ! idessend X coordinate of destination. |
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| 45 | ! jdessend Y coordinate of destination. |
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| 46 | ! nxsend Size in X of data to be sent. |
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| 47 | ! nysend Size in Y of data to be sent. |
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| 48 | |
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| 49 | ! nrecv Number of messages to be received. |
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| 50 | ! dirrecv Direction. |
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| 51 | ! source Source process id. |
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| 52 | ! idesrecv X coordinate of destination. |
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| 53 | ! jdesrecv Y coordinate of destination. |
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| 54 | ! nxrecv Size in X of data to be received. |
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| 55 | ! nyrecv Size in Y of data to be received. |
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| 56 | |
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| 57 | INTEGER, PARAMETER :: MaxComm=16 |
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| 58 | INTEGER, SAVE, DIMENSION(MaxComm) :: dirsend,destination, & |
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| 59 | dirrecv,source |
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| 60 | ! INTEGER, SAVE, DIMENSION(MaxComm,jpreci ) :: isrcsend,jsrcsend & |
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| 61 | INTEGER, SAVE, DIMENSION(MaxComm) :: isrcsend,jsrcsend, & |
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| 62 | isrcrecv,jsrcrecv, & |
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| 63 | idessend,jdessend, & |
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[3837] | 64 | nxsend,nysend,nzsend, & |
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[3432] | 65 | idesrecv,jdesrecv, & |
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[3837] | 66 | nxrecv,nyrecv,nzrecv |
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[3432] | 67 | INTEGER, SAVE :: nsend,nrecv |
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| 68 | |
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| 69 | ! SMP 22 Sep 2009 |
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[3837] | 70 | ! Alternative, run-length encoded communications lists |
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[3432] | 71 | ! omitting permanently dry points. |
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[3837] | 72 | ! Of these, isrcrecp, jsrcrecvp |
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[3432] | 73 | ! are set up but not currently used, |
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| 74 | ! and could be eliminated. |
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| 75 | |
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| 76 | ! Maximum number of patches a single halo communication can be broken |
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| 77 | ! into when trimming dry points in msg_trim() |
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| 78 | INTEGER, PARAMETER :: MaxPatch=8 |
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| 79 | INTEGER, SAVE, DIMENSION(MaxPatch,MaxComm,jpreci) :: & |
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| 80 | isrcsendp, jsrcsendp,& |
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[3837] | 81 | nxsendp, nysendp, nzsendp, & |
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[3432] | 82 | isrcrecvp, jsrcrecvp,& |
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| 83 | idesrecvp, jdesrecvp,& |
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[3837] | 84 | nxrecvp, nyrecvp, nzrecvp |
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[3432] | 85 | INTEGER, SAVE, DIMENSION(MaxComm,jpreci) :: npatchsend, npatchrecv |
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| 86 | ! Total number of points in each message |
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[3837] | 87 | INTEGER, SAVE, DIMENSION(MaxComm,jpreci) :: nsendp, nsendp2d, nrecvp, nrecvp2d |
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[3432] | 88 | |
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| 89 | ! Process dependent partitioning information. |
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| 90 | |
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| 91 | ! ielb Lower (west) longitude bound index. |
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| 92 | ! ieub Upper (east) longitude bound index. |
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| 93 | ! iesub Number of longitude gridpoints. |
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| 94 | ! ilbext True if the lower longitude boundary is external. |
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| 95 | ! iubext True if the upper longitude boundary is external. |
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| 96 | ! jelb Lower (south) latitude bound index. |
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| 97 | ! jeub Upper (north) latitude bound index. |
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| 98 | ! jesub Number of latitude gridpoints. |
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| 99 | ! jlbext True if the lower latitude boundary is external. |
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| 100 | ! jubext True if the upper latitude boundary is external. |
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| 101 | |
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| 102 | INTEGER, SAVE :: ielb, ieub, iesub |
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| 103 | INTEGER, SAVE :: jelb, jeub, jesub |
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| 104 | LOGICAL, SAVE :: ilbext, iubext, jlbext, jubext |
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| 105 | |
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| 106 | ! Global definitions for parallel execution. |
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| 107 | |
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| 108 | ! Direction flags for communications. |
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| 109 | ! Listed so that opposite directions are given values maximally spaced |
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| 110 | INTEGER, PARAMETER :: NONE=0 & |
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| 111 | ,Iplus=1 & |
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| 112 | ,Iminus=2 & |
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| 113 | ,Jplus=3 & |
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| 114 | ,Jminus=4 & |
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| 115 | ,IplusJplus=5 & |
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| 116 | ,IminusJminus=6 & |
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| 117 | ,IplusJminus=7 & |
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| 118 | ,IminusJplus=8 & |
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| 119 | ,MaxCommDir=8 |
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| 120 | ! Array to hold direction flags for looking up the |
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| 121 | ! direction that is opposite to one we have |
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| 122 | INTEGER, DIMENSION(MaxCommDir) :: opp_dirn |
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| 123 | |
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| 124 | ! Set up indices indicating the north-south and east-west |
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| 125 | ! attributes of the eight basic communication directions: |
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| 126 | ! four edges: W, E, S, N; |
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| 127 | ! four corners: SW, SE, NW, NE. |
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| 128 | INTEGER, PARAMETER, DIMENSION(MaxCommDir) :: & |
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| 129 | west = (/ 1, 0, 0, 0, 1, 0, 1, 0 /) & |
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| 130 | ,east = (/ 0, 1, 0, 0, 0, 1, 0, 1 /) & |
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| 131 | ,south = (/ 0, 0, 1, 0, 1, 0, 0, 1 /) & |
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| 132 | ,north = (/ 0, 0, 0, 1, 0, 1, 1, 0 /) |
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[3837] | 133 | ! 1 2 3 4 5 6 7 8 |
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| 134 | ! W E S N SW NE NW SE |
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[3432] | 135 | |
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| 136 | ! cyclic_bc True if a cyclic boundary condition is to be applied |
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| 137 | ! Set using the value of jperio. |
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| 138 | LOGICAL :: cyclic_bc |
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| 139 | |
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| 140 | ! Stores whether a domain's boundaries have been trimmed as |
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| 141 | ! trimmed(boundary, PE) where boundary is one of {n,e,s,w}idx |
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| 142 | ! for the Northern, Eastern, Southern or Western boundary, respectively. |
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| 143 | ! Allocated in finish_partition(), deallocated in...ARPDBG |
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| 144 | LOGICAL, SAVE, ALLOCATABLE, DIMENSION(:,:) :: trimmed |
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| 145 | INTEGER, PARAMETER :: nidx = 1, eidx= 2, sidx = 3, widx = 4 |
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| 146 | |
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| 147 | ! Value representing land in the mask used for partitioning and message |
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| 148 | ! trimming |
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| 149 | INTEGER, PARAMETER :: LAND = 0 |
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| 150 | |
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[3837] | 151 | ! Rather than trim to a point immediately next to a wet point, we |
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| 152 | ! back off nextra points. If we don't do this then the sea-ice |
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| 153 | ! computation goes wrong because it does use values over the land |
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| 154 | ! that immediately border the ocean. |
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| 155 | INTEGER, SAVE :: nextra |
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[3432] | 156 | |
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| 157 | ! Public routines |
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[3849] | 158 | PUBLIC :: mapcomms, iprocmap, set_num_subdomains |
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[3432] | 159 | |
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| 160 | ! Public variables |
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| 161 | PUBLIC :: MaxComm,nsend,nrecv,nxsend,nysend,destination,dirrecv, & |
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| 162 | dirsend,isrcsend,jsrcsend,idesrecv, jdesrecv, & |
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[3837] | 163 | nxrecv, nyrecv, source, cyclic_bc, idessend, jdessend |
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[3432] | 164 | |
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[3837] | 165 | PUBLIC :: nsendp,nsendp2d,nrecvp,nrecvp2d,npatchsend,npatchrecv, & |
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| 166 | nxsendp,nysendp,nzsendp,nxrecvp,nyrecvp,nzrecvp, & |
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[3849] | 167 | idesrecvp,jdesrecvp,isrcsendp,jsrcsendp, nprocp |
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[3432] | 168 | |
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| 169 | PUBLIC :: ielb, ieub, pielb, pjelb, pieub, pjeub, & |
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| 170 | iesub, jesub, jeub, ilbext, iubext, jubext, jlbext, pnactive,& |
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[3849] | 171 | piesub, pjesub, jelb, pilbext, pjlbext, pjubext, piubext |
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[3432] | 172 | |
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| 173 | PUBLIC :: NONE & |
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| 174 | ,Iplus & |
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| 175 | ,Iminus & |
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| 176 | ,Jplus & |
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| 177 | ,Jminus & |
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| 178 | ,IplusJplus & |
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| 179 | ,IminusJminus & |
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| 180 | ,IplusJminus & |
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| 181 | ,IminusJplus & |
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| 182 | ,MaxCommDir |
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| 183 | |
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| 184 | PUBLIC :: opp_dirn, land |
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| 185 | |
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| 186 | PUBLIC :: trimmed, nidx, eidx, sidx, widx, nextra |
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| 187 | |
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| 188 | ! Switch for trimming dry points from halo swaps |
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[3837] | 189 | LOGICAL, PARAMETER :: msgtrim = .TRUE. |
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[3432] | 190 | |
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[3837] | 191 | ! Switch for trimming points below ocean floor from halo swaps |
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[3849] | 192 | ! Defaults to true unless set via NEMO_MSGTRIM_Z environment var. |
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| 193 | LOGICAL, PUBLIC, SAVE :: msgtrim_z |
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[3837] | 194 | |
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[3432] | 195 | CONTAINS |
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| 196 | |
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[3849] | 197 | SUBROUTINE set_num_subdomains(npes) |
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| 198 | IMPLICIT none |
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| 199 | !!------------------------------------------------------------------ |
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| 200 | !! Set the number of subdomains to partition the domain into. |
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| 201 | !!------------------------------------------------------------------ |
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| 202 | INTEGER, INTENT(in) :: npes |
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| 203 | |
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| 204 | nprocp = npes |
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| 205 | |
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| 206 | END SUBROUTINE set_num_subdomains |
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| 207 | |
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| 208 | |
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[3837] | 209 | SUBROUTINE mapcomms ( depth, ibotlvl, nx, ny, jperio, ierr ) |
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[3432] | 210 | !!------------------------------------------------------------------ |
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| 211 | ! Maps out the communications requirements for the partitioned |
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| 212 | ! domain, adding communications descriptions to the list. |
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| 213 | ! |
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| 214 | ! Mike Ashworth, CLRC Daresbury Laboratory, July 1999 |
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| 215 | !!------------------------------------------------------------------ |
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| 216 | IMPLICIT NONE |
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| 217 | |
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| 218 | ! Subroutine arguments. |
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| 219 | INTEGER, INTENT(in) :: nx, ny |
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[3837] | 220 | INTEGER, INTENT(in) :: depth(nx,ny) ! Global mask: 0 for land, 1 for ocean |
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| 221 | INTEGER, INTENT(in) :: ibotlvl(nx,ny)! Last vert level above sea floor |
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| 222 | INTEGER, INTENT(in) :: jperio ! Periodicity of the mesh |
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[3432] | 223 | INTEGER, INTENT(out):: ierr |
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| 224 | |
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| 225 | ! Local variables. |
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[3849] | 226 | INTEGER :: i, i1, i2, ihalo, iproc, iprocc, iprocx, & |
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| 227 | iprocy, j, j1, j2, nadd, naddmaxr, naddmaxs |
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[3432] | 228 | INTEGER :: ldiff0, ldiff1 ! Local vars for coping with wrapping of coords |
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| 229 | INTEGER :: imax, imin ! Max/min value of i that a halo strip can run |
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| 230 | ! to/from (used to avoid including E/W halo cells |
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| 231 | ! in N/S transfers) |
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| 232 | INTEGER :: ielb_iproc, ieub_iproc ! Lower and upper bounds for proc |
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| 233 | ! iproc corrected for E & W halos |
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| 234 | INTEGER :: ielb_no_halo, ieub_no_halo ! Lower and upper bounds for local |
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| 235 | ! domain corrected for E & W halos |
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| 236 | INTEGER, DIMENSION(jpreci) :: idesr, jdesr, idess, jdess & |
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| 237 | , isrcr, jsrcr, isrcs, jsrcs & |
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| 238 | , nxr, nyr, nxs, nys |
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| 239 | LOGICAL :: addcorner |
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| 240 | |
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| 241 | ! Clear the error code. |
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| 242 | ierr = 0 |
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| 243 | |
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| 244 | ! Store whether we have cyclic east-west boundary condition |
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| 245 | ! (See line 49 in domcfg.F90 for the definitions of the jperio values.) |
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| 246 | IF(jperio == 1 .OR. jperio == 4 .OR. jperio == 6)THEN |
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| 247 | cyclic_bc = .TRUE. |
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| 248 | ELSE |
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| 249 | cyclic_bc = .FALSE. |
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| 250 | END IF |
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| 251 | |
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| 252 | ALLOCATE(procid(nprocp), Stat=ierr) |
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| 253 | IF (ierr > 0) THEN |
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| 254 | WRITE (numout,*) 'ERROR: mapcomms: Allocate failed for iproc' |
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| 255 | RETURN |
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| 256 | END IF |
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| 257 | ! Create ordered list of process ids |
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| 258 | DO i=1,nprocp,1 |
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| 259 | procid(i) = i-1 |
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| 260 | END DO |
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| 261 | |
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| 262 | ! Populate the look-up table of opposite directions |
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| 263 | opp_dirn(Iplus ) = Iminus |
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| 264 | opp_dirn(Iminus ) = Iplus |
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| 265 | opp_dirn(Jplus ) = Jminus |
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| 266 | opp_dirn(Jminus ) = Jplus |
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| 267 | opp_dirn(IplusJplus ) = IminusJminus |
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| 268 | opp_dirn(IminusJminus) = IplusJplus |
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| 269 | opp_dirn(IplusJminus ) = IminusJplus |
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| 270 | opp_dirn(IminusJplus ) = IplusJminus |
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| 271 | |
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| 272 | dirsend = -999 |
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| 273 | destination = -999 |
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| 274 | isrcsend = -999 |
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| 275 | jsrcsend = -999 |
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| 276 | idessend = -999 |
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| 277 | jdessend = -999 |
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| 278 | nxsend = -999 |
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| 279 | nysend = -999 |
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[3837] | 280 | nzsend = -999 |
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[3432] | 281 | dirrecv = -999 |
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| 282 | source = -999 |
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| 283 | idesrecv = -999 |
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| 284 | jdesrecv = -999 |
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| 285 | nxrecv = -999 |
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| 286 | nyrecv = -999 |
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[3837] | 287 | nzrecv = -999 |
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[3432] | 288 | |
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| 289 | ! For each of the eight communication directions on a 2d grid of |
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| 290 | ! processes, add a communication to the list. |
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| 291 | |
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| 292 | ! Note: the parameters Iplus, Iminus, etc. refer to array subscript |
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| 293 | ! references in the code like (I+1), (I-1), etc. which represent |
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| 294 | ! a requirement for communications in the OPPOSITE direction. So |
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| 295 | ! Iplus associates with sending data in the minus I direction, |
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| 296 | ! Iminus associates with sending data in the plus I direction, etc. |
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| 297 | |
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| 298 | nsend = 0 |
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| 299 | nrecv = 0 |
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| 300 | |
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| 301 | ! ================================================================= |
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| 302 | ! Looking at the border where we will |
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| 303 | ! send data in the minus I direction (Iplus) and |
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| 304 | ! receive data that has been sent in the plus I direction (Iminus). |
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| 305 | ! ================================================================= |
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| 306 | |
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| 307 | ! Start from the lower bound of the sub-domain, and carry on looking |
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| 308 | ! for communications with neighbours until we have reached |
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| 309 | ! the upper bound. |
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| 310 | |
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| 311 | j1 = jelb |
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| 312 | DO WHILE (j1.LE.jeub) |
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| 313 | |
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| 314 | ! Look for the process which owns the neighbouring point in the |
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| 315 | ! minus I direction. |
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| 316 | |
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| 317 | iproc = iprocmap(ielb-1,j1) |
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| 318 | IF ( iproc.GT.0 ) THEN |
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| 319 | |
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| 320 | ! Find where in the j direction the common border between these |
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| 321 | ! sub-domains ends. |
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| 322 | |
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| 323 | j2 = MIN(jeub,pjeub(iproc)) |
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| 324 | |
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| 325 | #if defined ARPDEBUG |
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| 326 | IF ( lwp ) THEN |
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| 327 | WRITE (*,FMT="(I3,': strip along y at: ',I4,',',I4)") narea-1,j1,j2 |
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| 328 | ENDIF |
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| 329 | #endif |
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| 330 | |
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| 331 | ! ( {i,I}nternal cells, {h,H}alo cells ) |
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| 332 | ! |
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| 333 | ! PE=iproc PE=myself |
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| 334 | ! |
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| 335 | ! nleit(iproc) data nldi |
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| 336 | ! s |
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| 337 | ! | <-------- | |
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| 338 | ! r |
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| 339 | ! --------> |
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| 340 | ! ----------------------- --------------------- |
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| 341 | ! | In-1 | In | H1 | H2 | | h2 | h1 | i1 | i2 | |
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| 342 | ! ----------------------- --------------------- |
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| 343 | ! In -> h1 |
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| 344 | ! In-1 -> h2 |
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| 345 | ! H1 <- i1 |
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| 346 | ! H2 <- i2 |
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| 347 | |
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| 348 | ! Construct the rest of the data describing the zone, |
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| 349 | ! convert to local indices and extend to multiple halo widths. |
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| 350 | |
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| 351 | ! NEMO sets nldi=1 for nbondi==-1 but then calculates the source |
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| 352 | ! of data to send as follows... |
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| 353 | ! Since this is not == nldi, we don't use nldi here as one |
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| 354 | ! might have expected |
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| 355 | isrcs(:) = jpreci + 1 |
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| 356 | |
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| 357 | DO ihalo=1,jpreci |
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| 358 | ! Source for the receive must be within internal domain of the |
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| 359 | ! (sending) PE, iproc |
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| 360 | isrcr(ihalo) = nlcit(iproc) - jpreci - ihalo + 1 ! nleit(iproc)-ihalo+1 |
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| 361 | idesr(ihalo) = ihalo ! Halo goes from 1..jpreci |
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| 362 | nxr(ihalo) = ihalo |
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| 363 | nxs(ihalo) = ihalo |
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| 364 | ENDDO |
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| 365 | |
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| 366 | ! MIN below allows for fact that NEMO sets nlci==nlei at the E |
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| 367 | ! boundary of the global domain when using cyclic bc's |
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| 368 | idess(:) = MIN(nleit(iproc)+1,nlcit(iproc)) ! Send _to_ E halo column of iproc |
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| 369 | ! Source for a send is always within internal region |
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| 370 | jsrcs(:) = j1-jelb+nldj !Add nldj 'cos jsrcs is local address in domain |
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| 371 | jdess(:) = j1-pjelb(iproc)+nldjt(iproc) ! ditto |
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| 372 | jdesr(:) = jsrcs(:) |
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| 373 | jsrcr(:) = jdess(:) |
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| 374 | nyr(:) = j2-j1+1 |
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| 375 | nys(:) = nyr(:) |
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| 376 | |
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| 377 | ! Examine whether corner points should be added to the start. |
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| 378 | |
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| 379 | naddmaxr = 0 |
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| 380 | naddmaxs = 0 |
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| 381 | ! ARPDBG - why loop below when naddmaxs and naddmaxr are scalars? |
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| 382 | DO ihalo=1,jpreci,1 |
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| 383 | |
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| 384 | ! Send corner data while we have data to send |
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| 385 | ! and while there is a point that depends on it. |
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| 386 | |
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| 387 | IF ( j1-ihalo.GE.jelb .AND. & |
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| 388 | iprocmap(ielb-ihalo,j1).GT.0 ) THEN |
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| 389 | naddmaxs = ihalo |
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| 390 | ENDIF |
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| 391 | |
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| 392 | ! Receive corner data only when we are at the corner |
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| 393 | ! and while the sending sub-domain is the same as for the edge. |
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| 394 | |
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| 395 | IF ( j1.EQ.jelb .AND. & |
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| 396 | iprocmap(ielb-ihalo,j1-ihalo).EQ.iproc ) THEN |
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| 397 | naddmaxr = ihalo |
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| 398 | ENDIF |
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| 399 | ENDDO |
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| 400 | |
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| 401 | ! Add the extra points. |
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| 402 | |
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| 403 | DO ihalo=1,jpreci |
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| 404 | nadd = MIN(ihalo,naddmaxs) |
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| 405 | jdess(ihalo) = jdess(ihalo) - nadd |
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| 406 | jsrcs(ihalo) = jsrcs(ihalo) - nadd |
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| 407 | nys(ihalo) = nys(ihalo)+nadd |
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| 408 | #if defined ARPDEBUG |
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| 409 | IF ( nadd.GT.0 ) THEN |
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| 410 | WRITE (*,"(I3,': Adding starting corner to send for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
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| 411 | END IF |
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| 412 | #endif |
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| 413 | nadd = MIN(ihalo,naddmaxr) |
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| 414 | jdesr(ihalo) = jdesr(ihalo) - nadd |
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| 415 | jsrcr(ihalo) = jsrcr(ihalo) - nadd |
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| 416 | nyr(ihalo) = nyr(ihalo)+nadd |
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| 417 | #if defined ARPDEBUG |
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| 418 | IF ( nadd.GT.0 ) THEN |
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| 419 | WRITE (*,"(I3,': Adding starting corner to receive for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
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| 420 | ENDIF |
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| 421 | #endif |
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| 422 | ENDDO ! Loop over 'overlap' points in i direction |
---|
| 423 | |
---|
| 424 | ! Examine whether corner points should be added to the end. |
---|
| 425 | |
---|
| 426 | naddmaxr = 0 |
---|
| 427 | naddmaxs = 0 |
---|
| 428 | DO ihalo=1,jpreci,1 |
---|
| 429 | |
---|
| 430 | ! Send corner data while we have data to send |
---|
| 431 | ! and while there is a point that depends on it. |
---|
| 432 | |
---|
| 433 | IF ( j2+ihalo.LE.jeub .AND. & |
---|
| 434 | iprocmap(ielb-ihalo,j2).GT.0 ) THEN |
---|
| 435 | naddmaxs = ihalo |
---|
| 436 | ENDIF |
---|
| 437 | |
---|
| 438 | ! Receive corner data only when we are at the corner |
---|
| 439 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 440 | |
---|
| 441 | IF ( j2.EQ.jeub .AND. & |
---|
| 442 | iprocmap(ielb-ihalo,j2+ihalo).EQ.iproc ) THEN |
---|
| 443 | naddmaxr = ihalo |
---|
| 444 | ENDIF |
---|
| 445 | ENDDO |
---|
| 446 | |
---|
| 447 | ! Add the extra points. |
---|
| 448 | |
---|
| 449 | DO ihalo=1,jpreci,1 |
---|
| 450 | nadd = MIN(ihalo,naddmaxs) |
---|
| 451 | nys(ihalo) = nys(ihalo)+nadd |
---|
| 452 | #if defined ARPDEBUG |
---|
| 453 | IF ( nadd.GT.0 ) THEN |
---|
| 454 | WRITE (*,"(I3,': Adding starting corner to send for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 455 | ENDIF |
---|
| 456 | #endif |
---|
| 457 | nadd = MIN(ihalo,naddmaxr) |
---|
| 458 | nyr(ihalo) = nyr(ihalo)+nadd |
---|
| 459 | #if defined ARPDEBUG |
---|
| 460 | IF ( nadd.GT.0 ) THEN |
---|
| 461 | WRITE (*,"(I3,': Adding starting corner to receive for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 462 | ENDIF |
---|
| 463 | #endif |
---|
| 464 | ENDDO |
---|
| 465 | |
---|
| 466 | ! Add a send and a receive to the lists for this section |
---|
| 467 | ! of border. |
---|
| 468 | |
---|
| 469 | CALL addsend (nsend,Iplus,procid(iproc), & |
---|
| 470 | isrcs,jsrcs,idess,jdess, & |
---|
[3837] | 471 | nxs,nys,depth,ibotlvl,ierr) |
---|
[3432] | 472 | IF ( ierr.NE.0 ) RETURN |
---|
| 473 | |
---|
| 474 | ! This is a receive for data _from_ the neighbouring domain |
---|
| 475 | ! - it is NOT the corresponding receive for the above send. |
---|
| 476 | CALL addrecv (nrecv,Iminus,procid(iproc), & |
---|
| 477 | isrcr,jsrcr,idesr,jdesr, & |
---|
[3837] | 478 | nxr,nyr,depth,ibotlvl,ierr) |
---|
[3432] | 479 | IF ( ierr.NE.0 ) RETURN |
---|
| 480 | #if defined ARPDEBUG |
---|
| 481 | IF ( lwp ) THEN |
---|
| 482 | WRITE (*,'(a,7i6)') 'Adding receive ',procid(iproc) & |
---|
| 483 | ,isrcr(1),jsrcr(1),idesr(1),jdesr(1),nxr(1),nyr(1) |
---|
| 484 | ! WRITE (numout,'(21x,6i6)') & |
---|
| 485 | ! isrcr(2),jsrcr(2),idesr(2),jdesr(2),nxr(2),nyr(2) |
---|
| 486 | ENDIF |
---|
| 487 | #endif |
---|
| 488 | |
---|
| 489 | ! Move the start point to one beyond this strip. |
---|
| 490 | |
---|
| 491 | j1 = j2+1 |
---|
| 492 | |
---|
| 493 | ELSE |
---|
| 494 | |
---|
| 495 | ! No process found, continue searching up the boundary. |
---|
| 496 | |
---|
| 497 | j1 = j1+1 |
---|
| 498 | ENDIF |
---|
| 499 | ENDDO |
---|
| 500 | |
---|
| 501 | ! ================================================================= |
---|
| 502 | ! Looking at the border where we will |
---|
| 503 | ! send data in the plus I direction (Iminus) and |
---|
| 504 | ! receive data that has been sent in the minus I direction (Iplus). |
---|
| 505 | ! ================================================================= |
---|
| 506 | |
---|
| 507 | ! Start from the lower bound of the sub-domain, and carry on looking |
---|
| 508 | ! for communications with neighbours until we have reached |
---|
| 509 | ! the upper bound. |
---|
| 510 | |
---|
| 511 | j1 = jelb |
---|
| 512 | DO WHILE (j1.LE.jeub) |
---|
| 513 | |
---|
| 514 | ! Look for the process which owns the neighbouring point in the |
---|
| 515 | ! plus I direction. |
---|
| 516 | |
---|
| 517 | iproc = iprocmap(ieub+1,j1) |
---|
| 518 | IF ( iproc.GT.0 ) THEN |
---|
| 519 | |
---|
| 520 | ! Find where in the j direction the common border between these |
---|
| 521 | ! sub-domains ends. |
---|
| 522 | |
---|
| 523 | j2 = MIN(jeub,pjeub(iproc)) |
---|
| 524 | |
---|
| 525 | #if defined ARPDEBUG |
---|
| 526 | WRITE (*,FMT="(I3,': ARPDBG strip for plus I is ',I3,',',I3)") & |
---|
| 527 | narea-1,j1,j2 |
---|
| 528 | #endif |
---|
| 529 | |
---|
| 530 | ! ( {i,I}nternal cells, {h,H}alo cells ) |
---|
| 531 | ! |
---|
| 532 | ! PE=myself PE=iproc |
---|
| 533 | ! |
---|
| 534 | ! nlei data nldit(iproc) |
---|
| 535 | ! s |
---|
| 536 | ! | --------> | |
---|
| 537 | ! r |
---|
| 538 | ! <-------- |
---|
| 539 | ! ----------------------- --------------------- |
---|
| 540 | ! | In-1 | In | H1 | H2 | | h2 | h1 | i1 | i2 | |
---|
| 541 | ! ----------------------- --------------------- |
---|
| 542 | ! In -> h1 |
---|
| 543 | ! In-1 -> h2 |
---|
| 544 | ! H1 <- i1 |
---|
| 545 | ! H2 <- i2 |
---|
| 546 | |
---|
| 547 | ! Construct the rest of the data describing the zone, |
---|
| 548 | ! convert to local indexes and extend to multiple halo widths. |
---|
| 549 | |
---|
| 550 | isrcr(:) = 1 + jpreci ! nldit(iproc) ARPDBG because NEMO sets nldi |
---|
| 551 | ! to unity if nbondi == -1 (W boundary of |
---|
| 552 | ! global domain) |
---|
| 553 | DO ihalo=1,jpreci |
---|
| 554 | ! NEMO sets nlei = nlci if nbondi == 1 (E boundary of |
---|
| 555 | ! global domain). Normally, nlci = jpi = jpreci + iesub + jpreci |
---|
| 556 | isrcs(ihalo) = jpi - jpreci - ihalo + 1 ! Outermost halo -> innermost col. |
---|
| 557 | idess(ihalo) = ihalo ! Halo runs from 1..jpreci |
---|
| 558 | nxr(ihalo) = ihalo |
---|
| 559 | nxs(ihalo) = ihalo |
---|
| 560 | ENDDO |
---|
| 561 | idesr(:) = MIN(nlei + 1, nlci) ! Allow for case when on boundary |
---|
| 562 | ! of global domain and thus have |
---|
| 563 | ! no (explicit) halo |
---|
| 564 | ! Source for a send is within local internal domain |
---|
| 565 | jsrcs(:) = j1-jelb+nldj |
---|
| 566 | ! Destination for a send is within halo on remote domain |
---|
| 567 | jdess(:) = j1-pjelb(iproc)+nldjt(iproc) |
---|
| 568 | |
---|
| 569 | jdesr(:) = jsrcs(:) |
---|
| 570 | jsrcr(:) = jdess(:) |
---|
| 571 | nyr(:) = j2-j1+1 |
---|
| 572 | nys(:) = nyr(:) |
---|
| 573 | ! Examine whether corner points should be added to the START. |
---|
| 574 | |
---|
| 575 | naddmaxr = 0 |
---|
| 576 | naddmaxs = 0 |
---|
| 577 | DO ihalo=1,jpreci,1 |
---|
| 578 | |
---|
| 579 | ! Send corner data while we have data to send |
---|
| 580 | ! and while there is a point that depends on it. |
---|
| 581 | |
---|
| 582 | IF ( j1-ihalo.GE.jelb .AND. & |
---|
| 583 | iprocmap(ieub+ihalo,j1).GT.0 ) THEN |
---|
| 584 | naddmaxs = ihalo |
---|
| 585 | ENDIF |
---|
| 586 | |
---|
| 587 | ! Receive corner data only when we are at the corner |
---|
| 588 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 589 | |
---|
| 590 | IF ( j1.EQ.jelb .AND. & |
---|
| 591 | iprocmap(ieub+ihalo,j1-ihalo).EQ.iproc ) THEN |
---|
| 592 | naddmaxr = ihalo |
---|
| 593 | ENDIF |
---|
| 594 | ENDDO |
---|
| 595 | |
---|
| 596 | ! Add the extra points. |
---|
| 597 | DO ihalo=1,jpreci,1 |
---|
| 598 | nadd = MIN(ihalo,naddmaxs) |
---|
| 599 | jdess(ihalo) = jdess(ihalo) - nadd |
---|
| 600 | jsrcs(ihalo) = jsrcs(ihalo) - nadd |
---|
| 601 | nys(ihalo) = nys(ihalo)+nadd |
---|
| 602 | nadd = MIN(ihalo,naddmaxr) |
---|
| 603 | jdesr(ihalo) = jdesr(ihalo) - nadd |
---|
| 604 | jsrcr(ihalo) = jsrcr(ihalo) - nadd |
---|
| 605 | nyr(ihalo) = nyr(ihalo)+nadd |
---|
| 606 | ENDDO |
---|
| 607 | |
---|
| 608 | ! Examine whether corner points should be added to the end. |
---|
| 609 | |
---|
| 610 | naddmaxr = 0 |
---|
| 611 | naddmaxs = 0 |
---|
| 612 | DO ihalo=1,jpreci,1 |
---|
| 613 | |
---|
| 614 | ! Send corner data while we have data to send |
---|
| 615 | ! and while there is a point that depends on it. |
---|
| 616 | |
---|
| 617 | IF ( j2+ihalo.LE.jeub .AND. & |
---|
| 618 | iprocmap(ieub+ihalo,j2).GT.0 ) THEN |
---|
| 619 | naddmaxs = ihalo |
---|
| 620 | ENDIF |
---|
| 621 | |
---|
| 622 | ! Receive corner data only when we are at the corner |
---|
| 623 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 624 | |
---|
| 625 | IF ( j2.EQ.jeub .AND. & |
---|
| 626 | iprocmap(ieub+ihalo,j2+ihalo).EQ.iproc ) THEN |
---|
| 627 | naddmaxr = ihalo |
---|
| 628 | ENDIF |
---|
| 629 | ENDDO |
---|
| 630 | |
---|
| 631 | ! Add the extra points. |
---|
| 632 | |
---|
| 633 | DO ihalo=1,jpreci,1 |
---|
| 634 | nadd = MIN(ihalo,naddmaxs) |
---|
| 635 | nys(ihalo) = nys(ihalo)+nadd |
---|
| 636 | #if defined ARPDEBUG |
---|
| 637 | IF ( nadd.GT.0 .AND. lwp ) THEN |
---|
| 638 | WRITE (*,*) 'Adding starting corner to send' & |
---|
| 639 | ,' for halo ',ihalo,' with ',nadd,' points' |
---|
| 640 | ENDIF |
---|
| 641 | #endif |
---|
| 642 | nadd = MIN(ihalo,naddmaxr) |
---|
| 643 | nyr(ihalo) = nyr(ihalo)+nadd |
---|
| 644 | #if defined ARPDEBUG |
---|
| 645 | IF ( nadd.GT.0 .AND. lwp ) THEN |
---|
| 646 | WRITE (*,*) 'Adding starting corner to receive' & |
---|
| 647 | ,' for halo ',ihalo,' with ',nadd,' points' |
---|
| 648 | ENDIF |
---|
| 649 | #endif |
---|
| 650 | ENDDO |
---|
| 651 | |
---|
| 652 | ! Add a send and a receive to the lists for this section |
---|
| 653 | ! of border. |
---|
| 654 | |
---|
[3837] | 655 | CALL addsend (nsend,Iminus,procid(iproc), & |
---|
| 656 | isrcs,jsrcs,idess,jdess,nxs,nys,& |
---|
| 657 | depth,ibotlvl,ierr) |
---|
[3432] | 658 | IF ( ierr.NE.0 ) RETURN |
---|
| 659 | #if defined ARPDEBUG |
---|
| 660 | IF ( lwp ) THEN |
---|
| 661 | WRITE (*,'(a,7i6)') 'Adding send -1111 ',procid(iproc) & |
---|
| 662 | ,isrcs(1),jsrcs(1),idess(1),jdess(1),nxs(1),nys(1) |
---|
| 663 | ENDIF |
---|
| 664 | #endif |
---|
| 665 | |
---|
[3837] | 666 | CALL addrecv (nrecv,Iplus,procid(iproc), & |
---|
| 667 | isrcr,jsrcr,idesr,jdesr,nxr,nyr, & |
---|
| 668 | depth,ibotlvl,ierr) |
---|
[3432] | 669 | IF ( ierr.NE.0 ) RETURN |
---|
| 670 | |
---|
| 671 | ! Move the start point to one beyond this strip. |
---|
| 672 | |
---|
| 673 | j1 = j2+1 |
---|
| 674 | |
---|
| 675 | ELSE |
---|
| 676 | |
---|
| 677 | ! No process found, continue searching up the boundary. |
---|
| 678 | |
---|
| 679 | j1 = j1+1 |
---|
| 680 | ENDIF |
---|
| 681 | ENDDO |
---|
| 682 | |
---|
| 683 | ! ================================================================= |
---|
| 684 | ! Looking at the border where we will |
---|
| 685 | ! send data in the minus J direction (Jplus) and |
---|
| 686 | ! receive data that has been sent in the plus J direction (Jminus). |
---|
| 687 | ! ================================================================= |
---|
| 688 | |
---|
| 689 | ! Ensure we don't include any values from the model domain W and E |
---|
| 690 | ! halos if we have cyclic b.c.'s |
---|
| 691 | ielb_no_halo = ielb |
---|
| 692 | ieub_no_halo = ieub |
---|
| 693 | IF(cyclic_bc)THEN |
---|
| 694 | ! West |
---|
| 695 | IF((.NOT. trimmed(widx,narea)) .AND. & |
---|
| 696 | pilbext(narea)) ielb_no_halo = ielb_no_halo + jpreci |
---|
| 697 | ! East |
---|
| 698 | IF((.NOT. trimmed(eidx,narea)) .AND. & |
---|
| 699 | piubext(narea)) ieub_no_halo = ieub_no_halo - jpreci |
---|
| 700 | END IF |
---|
| 701 | |
---|
| 702 | ! Start from the lower bound of the sub-domain (in global coords), |
---|
| 703 | ! and carry on looking |
---|
| 704 | ! for communications with neighbours until we have reached |
---|
| 705 | ! the upper bound. |
---|
| 706 | |
---|
| 707 | imin = ielb_no_halo |
---|
| 708 | imax = ieub_no_halo |
---|
| 709 | |
---|
| 710 | i1 = imin |
---|
| 711 | DO WHILE (i1.LE.imax) |
---|
| 712 | |
---|
| 713 | ! Look for the process which owns the neighbouring point in the |
---|
| 714 | ! minus J direction. |
---|
| 715 | |
---|
| 716 | iproc = iprocmap(i1,jelb-1) |
---|
| 717 | IF ( iproc.GT.0 ) THEN |
---|
| 718 | |
---|
| 719 | ! Ensure we don't include halos from the global domain borders if |
---|
| 720 | ! we have cyclic bc's. |
---|
| 721 | ! ielb_iproc = pielb(iproc) |
---|
| 722 | ieub_iproc = pieub(iproc) |
---|
| 723 | IF(cyclic_bc)THEN |
---|
| 724 | ! IF(pilbext(iproc))ielb_iproc = pielb(iproc)+jpreci |
---|
| 725 | IF( (.NOT. trimmed(eidx,iproc)) .AND. & |
---|
| 726 | piubext(iproc)) ieub_iproc = pieub(iproc)-jpreci |
---|
| 727 | END IF |
---|
| 728 | |
---|
| 729 | ! Find where in the i direction the common border between these |
---|
| 730 | ! sub-domains ends. |
---|
| 731 | |
---|
| 732 | i2 = MIN(imax,ieub_iproc) |
---|
| 733 | |
---|
| 734 | #if defined ARPDEBUG |
---|
| 735 | WRITE (*,FMT="(I3,': ARPDBG strip for minus J is ',I3,',',I3)") & |
---|
| 736 | narea-1,i1,i2 |
---|
| 737 | #endif |
---|
| 738 | |
---|
| 739 | ! | | | | || |
---|
| 740 | ! | | | | || |
---|
| 741 | ! | | | | || |
---|
| 742 | ! ------------------------------------------------ |
---|
| 743 | ! || | | | |
---|
| 744 | ! || | | | |
---|
| 745 | ! || | | | |
---|
| 746 | |
---|
| 747 | |
---|
| 748 | ! Construct the rest of the data describing the zone, |
---|
| 749 | ! convert to local indexes and extend to multiple halo widths. |
---|
| 750 | ! Convert to local coords: |
---|
| 751 | ! Dist into zone = ipos - start + 1 |
---|
| 752 | ! Pos in zone in local = (start of internal region) + (dist into zone) - 1 |
---|
| 753 | ! Convert from global i1 to local i in current domain |
---|
| 754 | ! if i1 == nimpp then we must start at i=1 (because nimpp is absolute position |
---|
| 755 | ! of starting edge of domain including overlap regions) |
---|
| 756 | isrcs(:) = i1 - nimpp + 1 |
---|
| 757 | ! Convert from global i1 to local i in the destination domain |
---|
| 758 | idess(:) = i1- nimppt(iproc) + 1 |
---|
| 759 | idesr(:) = isrcs(:) |
---|
| 760 | isrcr(:) = idess(:) |
---|
| 761 | nxr(:) = i2-i1+1 |
---|
| 762 | nxs(:) = nxr(:) |
---|
| 763 | |
---|
| 764 | jsrcs(:) = nldj ! First row of 'internal' region of domain |
---|
| 765 | DO ihalo=1,jprecj,1 |
---|
| 766 | ! Source for a receive must be within internal region |
---|
| 767 | jsrcr(ihalo) = nlejt(iproc)-ihalo+1 |
---|
| 768 | jdesr(ihalo) = ihalo ! Halo runs from 1..jprecj |
---|
| 769 | nyr(ihalo) = ihalo |
---|
| 770 | nys(ihalo) = ihalo |
---|
| 771 | ENDDO |
---|
| 772 | ! Destination for a send must be a halo region |
---|
| 773 | ! nlcjt(iproc) is always in a halo region. Not sure what |
---|
| 774 | ! happens when halo wider than 1. |
---|
| 775 | jdess(:) = nlcjt(iproc) |
---|
| 776 | |
---|
| 777 | ! Examine whether corner points should be added to the START. |
---|
| 778 | |
---|
| 779 | naddmaxr = 0 |
---|
| 780 | naddmaxs = 0 |
---|
| 781 | DO ihalo=1,jprecj,1 |
---|
| 782 | |
---|
| 783 | ! Send corner data while we have data to send |
---|
| 784 | ! and while there is a point that depends on it. |
---|
| 785 | |
---|
| 786 | IF ( i1-ihalo.GE.imin .AND. & |
---|
| 787 | iprocmap(i1-ihalo,jelb-ihalo).GT.0 ) THEN |
---|
| 788 | naddmaxs = ihalo |
---|
| 789 | ENDIF |
---|
| 790 | |
---|
| 791 | ! Receive corner data only when we are at the corner |
---|
| 792 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 793 | |
---|
| 794 | IF ( i1.EQ.imin .AND. & |
---|
| 795 | iprocmap(i1-ihalo,jelb-ihalo).EQ.iproc ) THEN |
---|
| 796 | naddmaxr = ihalo |
---|
| 797 | ENDIF |
---|
| 798 | ENDDO |
---|
| 799 | |
---|
| 800 | ! Add the extra points. |
---|
| 801 | |
---|
| 802 | DO ihalo=1,jprecj,1 |
---|
| 803 | nadd = MIN(ihalo,naddmaxs) |
---|
| 804 | idess(ihalo) = idess(ihalo)-nadd |
---|
| 805 | isrcs(ihalo) = isrcs(ihalo)-nadd |
---|
| 806 | nxs(ihalo) = nxs(ihalo)+nadd |
---|
| 807 | #if defined ARPDEBUG |
---|
| 808 | IF ( nadd.GT.0 ) THEN |
---|
| 809 | WRITE (*,"(I3,': Adding starting corner to send for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 810 | ENDIF |
---|
| 811 | #endif |
---|
| 812 | nadd = MIN(ihalo,naddmaxr) |
---|
| 813 | idesr(ihalo) = idesr(ihalo)-nadd |
---|
| 814 | isrcr(ihalo) = isrcr(ihalo)-nadd |
---|
| 815 | nxr(ihalo) = nxr(ihalo)+nadd |
---|
| 816 | |
---|
| 817 | #if defined ARPDEBUG |
---|
| 818 | IF ( nadd.GT.0 ) THEN |
---|
| 819 | WRITE (*,"(I3,': Adding starting corner to receive for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 820 | ENDIF |
---|
| 821 | #endif |
---|
| 822 | ENDDO |
---|
| 823 | |
---|
| 824 | ! Examine whether corner points should be added to the END. |
---|
| 825 | |
---|
| 826 | naddmaxr = 0 |
---|
| 827 | naddmaxs = 0 |
---|
| 828 | DO ihalo=1,jprecj,1 |
---|
| 829 | |
---|
| 830 | ! Send corner data while we have data to send |
---|
| 831 | ! and while there is a point that depends on it. |
---|
| 832 | |
---|
| 833 | IF ( i2+ihalo.LE.imax .AND. & |
---|
| 834 | iprocmap(i2,jelb-ihalo).GT.0 ) THEN |
---|
| 835 | naddmaxs = ihalo |
---|
| 836 | ENDIF |
---|
| 837 | |
---|
| 838 | ! Receive corner data only when we are at the corner |
---|
| 839 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 840 | |
---|
| 841 | IF ( i2.EQ.imax .AND. & |
---|
| 842 | iprocmap(i2+ihalo,jelb-ihalo).EQ.iproc ) THEN |
---|
| 843 | naddmaxr = ihalo |
---|
| 844 | ENDIF |
---|
| 845 | ENDDO |
---|
| 846 | |
---|
| 847 | ! Add the extra points. |
---|
| 848 | |
---|
| 849 | DO ihalo=1,jprecj,1 |
---|
| 850 | nadd = MIN(ihalo,naddmaxs) |
---|
| 851 | nxs(ihalo) = nxs(ihalo)+nadd |
---|
| 852 | #if defined ARPDEBUG |
---|
| 853 | IF ( nadd.GT.0 ) THEN |
---|
| 854 | WRITE (*,"(I3,': Adding starting corner to send for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 855 | ENDIF |
---|
| 856 | #endif |
---|
| 857 | nadd = MIN(ihalo,naddmaxr) |
---|
| 858 | nxr(ihalo) = nxr(ihalo)+nadd |
---|
| 859 | #if defined ARPDEBUG |
---|
| 860 | IF ( nadd.GT.0 ) THEN |
---|
| 861 | WRITE (*,"(I3,': Adding starting corner to receive for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 862 | ENDIF |
---|
| 863 | #endif |
---|
| 864 | ENDDO |
---|
| 865 | |
---|
| 866 | ! Add a send and a receive to the lists for this section |
---|
| 867 | ! of border. |
---|
| 868 | |
---|
[3837] | 869 | CALL addsend (nsend,Jplus,procid(iproc), & |
---|
| 870 | isrcs,jsrcs,idess,jdess,nxs,nys, & |
---|
| 871 | depth,ibotlvl,ierr) |
---|
[3432] | 872 | IF ( ierr.NE.0 ) RETURN |
---|
| 873 | |
---|
[3837] | 874 | CALL addrecv (nrecv,Jminus,procid(iproc), & |
---|
| 875 | isrcr,jsrcr,idesr,jdesr,nxr,nyr, & |
---|
| 876 | depth,ibotlvl,ierr) |
---|
[3432] | 877 | IF ( ierr.NE.0 ) RETURN |
---|
| 878 | |
---|
| 879 | ! Move the start point to one beyond this strip. |
---|
| 880 | |
---|
| 881 | i1 = i2+1 |
---|
| 882 | |
---|
| 883 | ELSE |
---|
| 884 | |
---|
| 885 | ! No process found, continue searching up the boundary. |
---|
| 886 | |
---|
| 887 | i1 = i1+1 |
---|
| 888 | ENDIF |
---|
| 889 | ENDDO |
---|
| 890 | |
---|
| 891 | ! ================================================================= |
---|
| 892 | ! Looking at the border where we will |
---|
| 893 | ! send data in the plus J direction (Jminus) and |
---|
| 894 | ! receive data that has been sent in the minus J direction (Jplus). |
---|
| 895 | ! ================================================================= |
---|
| 896 | |
---|
| 897 | ! Start from the lower bound of the sub-domain, and carry on looking |
---|
| 898 | ! for communications with neighbours until we have reached |
---|
| 899 | ! the upper bound. |
---|
| 900 | |
---|
| 901 | imin = ielb_no_halo |
---|
| 902 | imax = ieub_no_halo |
---|
| 903 | i1 = imin |
---|
| 904 | |
---|
| 905 | DO WHILE (i1.LE.imax) |
---|
| 906 | |
---|
| 907 | ! Look for the process which owns the neighbouring point in the |
---|
| 908 | ! plus J direction. |
---|
| 909 | |
---|
| 910 | iproc = iprocmap(i1,jeub+1) |
---|
| 911 | IF ( iproc.GT.0 ) THEN |
---|
| 912 | ! Ensure we don't include halos from the global borders if we |
---|
| 913 | ! have cyclic b.c.'s |
---|
| 914 | ! ielb_iproc = pielb(iproc) |
---|
| 915 | ieub_iproc = pieub(iproc) |
---|
| 916 | IF(cyclic_bc)THEN |
---|
| 917 | ! IF(pilbext(iproc))ielb_iproc = pielb(iproc)+jpreci |
---|
| 918 | IF((.NOT. trimmed(eidx,iproc)) .AND. & |
---|
| 919 | piubext(iproc))ieub_iproc = pieub(iproc)-jpreci |
---|
| 920 | END IF |
---|
| 921 | |
---|
| 922 | ! Find where in the i direction the common border between these |
---|
| 923 | ! sub-domains ends. |
---|
| 924 | |
---|
| 925 | i2 = MIN(imax, ieub_iproc) |
---|
| 926 | |
---|
| 927 | #if defined ARPDEBUG |
---|
| 928 | WRITE (*,FMT="(I3,': ARPDBG strip for plus J is ',I3,',',I3)") & |
---|
| 929 | narea-1,i1,i2 |
---|
| 930 | #endif |
---|
| 931 | |
---|
| 932 | ! Construct the rest of the data describing the zone, |
---|
| 933 | ! convert to local indexes and extend to multiple halo widths. |
---|
| 934 | |
---|
| 935 | isrcs(:) = i1 - nimpp + 1 |
---|
| 936 | idess(:) = i1 - nimppt(iproc) + 1 |
---|
| 937 | idesr(:) = isrcs(:) |
---|
| 938 | isrcr(:) = idess(:) |
---|
| 939 | nxr(:) = i2-i1+1 |
---|
| 940 | nxs(:) = nxr(:) |
---|
| 941 | |
---|
| 942 | ! Source for a receive must be within an internal region |
---|
| 943 | ! nldj incorporates whether or not lower halo exists |
---|
| 944 | jsrcr(:) = nldjt(iproc) |
---|
| 945 | |
---|
| 946 | DO ihalo=1,jprecj,1 |
---|
| 947 | jsrcs(ihalo) = nlej-ihalo+1 ! innermost row -> outermost halo |
---|
| 948 | jdess(ihalo) = ihalo ! Halo runs from 1..jprecj |
---|
| 949 | nyr(ihalo) = ihalo |
---|
| 950 | nys(ihalo) = ihalo |
---|
| 951 | ENDDO |
---|
| 952 | jdesr(:) = nlcj |
---|
| 953 | |
---|
| 954 | ! Examine whether corner points should be added to the START. |
---|
| 955 | |
---|
| 956 | naddmaxr = 0 |
---|
| 957 | naddmaxs = 0 |
---|
| 958 | DO ihalo=1,jprecj,1 |
---|
| 959 | |
---|
| 960 | ! Send corner data while we have data to send |
---|
| 961 | ! and while there is a point that depends on it. |
---|
| 962 | |
---|
| 963 | IF ( i1-ihalo.GE.imin .AND. iprocmap(i1,jeub+ihalo).GT.0 ) THEN |
---|
| 964 | naddmaxs = ihalo |
---|
| 965 | ENDIF |
---|
| 966 | |
---|
| 967 | ! Receive corner data only when we are at the corner |
---|
| 968 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 969 | |
---|
| 970 | IF ( i1.EQ.imin .AND. & |
---|
| 971 | iprocmap(i1-ihalo,jeub+ihalo).EQ.iproc ) THEN |
---|
| 972 | naddmaxr = ihalo |
---|
| 973 | ENDIF |
---|
| 974 | ENDDO |
---|
| 975 | |
---|
| 976 | ! Add the extra points. |
---|
| 977 | |
---|
| 978 | DO ihalo=1,jprecj,1 |
---|
| 979 | nadd = MIN(ihalo,naddmaxs) |
---|
| 980 | idess(ihalo) = idess(ihalo) -nadd |
---|
| 981 | isrcs(ihalo) = isrcs(ihalo) -nadd |
---|
| 982 | nxs(ihalo) = nxs(ihalo)+nadd |
---|
| 983 | #if defined ARPDEBUG |
---|
| 984 | IF ( nadd.GT.0 ) THEN |
---|
| 985 | WRITE (*,"(I3,': Adding starting corner to send for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 986 | ENDIF |
---|
| 987 | #endif |
---|
| 988 | nadd = MIN(ihalo,naddmaxr) |
---|
| 989 | idesr(ihalo) = idesr(ihalo) - nadd |
---|
| 990 | isrcr(ihalo) = isrcr(ihalo) - nadd |
---|
| 991 | nxr(ihalo) = nxr(ihalo)+nadd |
---|
| 992 | |
---|
| 993 | #if defined ARPDEBUG |
---|
| 994 | IF ( nadd.GT.0 ) THEN |
---|
| 995 | WRITE (*,"(I3,': Adding starting corner to receive for halo ',I2,' with ',I3,' points')") narea-1,ihalo, nadd |
---|
| 996 | ENDIF |
---|
| 997 | #endif |
---|
| 998 | ENDDO |
---|
| 999 | |
---|
| 1000 | ! Examine whether corner points should be added to the END. |
---|
| 1001 | |
---|
| 1002 | naddmaxr = 0 |
---|
| 1003 | naddmaxs = 0 |
---|
| 1004 | DO ihalo=1,jprecj,1 |
---|
| 1005 | |
---|
| 1006 | ! Send corner data while we have data to send |
---|
| 1007 | ! and while there is a point that depends on it. |
---|
| 1008 | |
---|
| 1009 | IF ( i2+ihalo.LE.imax .AND. & |
---|
| 1010 | iprocmap(i2,jeub+ihalo).GT.0 ) THEN |
---|
| 1011 | naddmaxs = ihalo |
---|
| 1012 | ENDIF |
---|
| 1013 | |
---|
| 1014 | ! Receive corner data only when we are at the corner |
---|
| 1015 | ! and while the sending sub-domain is the same as for the edge. |
---|
| 1016 | |
---|
| 1017 | IF ( i2.EQ.imax .AND. & ! Are we at the corner? |
---|
| 1018 | iprocmap(i2+ihalo,jeub+ihalo).EQ.iproc ) THEN |
---|
| 1019 | naddmaxr = ihalo |
---|
| 1020 | ENDIF |
---|
| 1021 | ENDDO |
---|
| 1022 | |
---|
| 1023 | ! Add the extra points. |
---|
| 1024 | |
---|
| 1025 | DO ihalo=1,jprecj,1 |
---|
| 1026 | nadd = MIN(ihalo,naddmaxs) |
---|
| 1027 | nxs(ihalo) = nxs(ihalo)+nadd |
---|
| 1028 | #if defined ARPDEBUG |
---|
| 1029 | IF ( nadd.GT.0 .AND. lwp ) THEN |
---|
| 1030 | WRITE (*,*) narea-1,': Adding starting corner to send' & |
---|
| 1031 | ,' for halo ',ihalo,' with ',nadd,' points' |
---|
| 1032 | ENDIF |
---|
| 1033 | #endif |
---|
| 1034 | nadd = MIN(ihalo,naddmaxr) |
---|
| 1035 | nxr(ihalo) = nxr(ihalo)+nadd |
---|
| 1036 | #if defined ARPDEBUG |
---|
| 1037 | IF ( nadd.GT.0 .AND. lwp ) THEN |
---|
| 1038 | WRITE (*,*) narea-1,': Adding starting corner to receive' & |
---|
| 1039 | ,' for halo ',ihalo,' with ',nadd,' points' |
---|
| 1040 | ENDIF |
---|
| 1041 | #endif |
---|
| 1042 | ENDDO |
---|
| 1043 | |
---|
| 1044 | ! Add a send and a receive to the lists for this section |
---|
| 1045 | ! of border. |
---|
| 1046 | |
---|
[3837] | 1047 | CALL addsend (nsend,Jminus,procid(iproc), & |
---|
| 1048 | isrcs,jsrcs,idess,jdess,nxs,nys, & |
---|
| 1049 | depth,ibotlvl,ierr) |
---|
[3432] | 1050 | IF ( ierr.NE.0 ) RETURN |
---|
| 1051 | |
---|
[3837] | 1052 | CALL addrecv (nrecv,Jplus,procid(iproc), & |
---|
| 1053 | isrcr,jsrcr,idesr,jdesr,nxr,nyr, & |
---|
| 1054 | depth,ibotlvl,ierr) |
---|
[3432] | 1055 | IF ( ierr.NE.0 ) RETURN |
---|
| 1056 | |
---|
| 1057 | ! Move the start point to one beyond this strip. |
---|
| 1058 | |
---|
| 1059 | i1 = i2+1 |
---|
| 1060 | |
---|
| 1061 | ELSE ! iproc < 0 |
---|
| 1062 | |
---|
| 1063 | ! No process found, continue searching up the boundary. |
---|
| 1064 | |
---|
| 1065 | i1 = i1+1 |
---|
| 1066 | ENDIF |
---|
| 1067 | ENDDO |
---|
| 1068 | |
---|
| 1069 | ! ================================================================= |
---|
| 1070 | ! Corner points are sent with the edge data where possible. |
---|
| 1071 | ! Check for cases where corner data resides on a processor which |
---|
| 1072 | ! is not participating in edge communications and set up extra |
---|
| 1073 | ! diagonal communications for these cases. |
---|
| 1074 | ! ================================================================= |
---|
| 1075 | |
---|
| 1076 | ! Loop over the four corner directions |
---|
[3837] | 1077 | ! i = 1 2 3 4 5 6 7 8 |
---|
| 1078 | ! W E S N SW NE NW SE |
---|
[3432] | 1079 | |
---|
[3837] | 1080 | |
---|
[3432] | 1081 | DO i=5,8 |
---|
| 1082 | |
---|
| 1083 | ! At first assume there is to be no corner communication |
---|
| 1084 | |
---|
| 1085 | addcorner = .FALSE. |
---|
| 1086 | |
---|
| 1087 | ! i1 is to be x-coord just OUTSIDE our domain |
---|
| 1088 | ! i2 is to be x-coord just WITHIN our domain |
---|
| 1089 | ! All the following complexity is to allow for fact that the first |
---|
| 1090 | ! and last columns of the global domain are actually halos when |
---|
| 1091 | ! we have cyclic E/W boundary conditions. |
---|
| 1092 | IF( (iubext .OR. ilbext) .AND. cyclic_bc) THEN |
---|
| 1093 | i1 = ielb |
---|
| 1094 | i2 = ielb |
---|
[3837] | 1095 | IF(ilbext .AND. (.NOT. trimmed(widx,narea)) )THEN |
---|
[3432] | 1096 | i2 = i2+west(i) ! If on W boundary with cyclic bc's, ielb _is_ the halo column |
---|
| 1097 | ! so add 1 to move inside domain |
---|
| 1098 | ELSE |
---|
| 1099 | i1 = i1-west(i) |
---|
| 1100 | END IF |
---|
[3837] | 1101 | IF(iubext .AND. (.NOT. trimmed(eidx,narea)) )THEN |
---|
[3432] | 1102 | ! If upper bound is on domain boundary then iesub already |
---|
| 1103 | ! includes the halo column |
---|
| 1104 | i1 = i1+east(i)*(iesub-1) |
---|
| 1105 | i2 = i2+east(i)*(iesub-2) |
---|
| 1106 | ELSE |
---|
| 1107 | i1 = i1+east(i)*iesub |
---|
| 1108 | i2 = i2+east(i)*(iesub-1) |
---|
| 1109 | END IF |
---|
| 1110 | |
---|
| 1111 | ELSE |
---|
| 1112 | i1 = ielb-west(i)+east(i)*iesub |
---|
| 1113 | i2 = ielb+east(i)*(iesub-1) |
---|
| 1114 | END IF |
---|
| 1115 | |
---|
[3837] | 1116 | ! For a NW corner: |
---|
| 1117 | ! | |
---|
| 1118 | ! iproc | iprocy |
---|
| 1119 | ! ________|______ |
---|
| 1120 | ! | |
---|
| 1121 | ! iprocx | Me |
---|
| 1122 | ! | |
---|
[3432] | 1123 | |
---|
| 1124 | ! x coord just OUTSIDE our domain but y INSIDE |
---|
| 1125 | iprocx = iprocmap(i1, jelb+north(i)*(jesub-1)) |
---|
| 1126 | ! x coord just INSIDE our domain but y OUTSIDE |
---|
| 1127 | iprocy = iprocmap(i2, jelb-south(i)+north(i)*jesub) |
---|
| 1128 | |
---|
| 1129 | iprocc = 0 |
---|
| 1130 | |
---|
| 1131 | #if defined ARPDEBUG |
---|
| 1132 | WRITE(*,FMT="(I3,': ARPDBG: i, i1 (outside), i2 (inside), iprocx, iprocy = ',5I4)") & |
---|
| 1133 | narea-1, i,i1,i2,iprocx,iprocy |
---|
| 1134 | #endif |
---|
| 1135 | |
---|
| 1136 | ! Loop over all required halo widths |
---|
| 1137 | |
---|
| 1138 | DO ihalo=jpreci,1,-1 |
---|
| 1139 | |
---|
| 1140 | ! Look at the processor in the corner at width ihalo from the |
---|
| 1141 | ! corner of the sub-domain. We want both x and y to be just |
---|
| 1142 | ! outside our domain. i1 is already just outside our domain |
---|
| 1143 | ! so we subtract one from ihalo below: |
---|
| 1144 | iproc = iprocmap( i1 - west(i)*(ihalo-1)+ east(i)*(ihalo-1) & |
---|
| 1145 | ,south(i)*(jelb-ihalo)+north(i)*(jeub+ihalo)) |
---|
| 1146 | ! iproc = iprocmap( west(i)*(ielb-ihalo)+ east(i)*(ieub+ihalo) & |
---|
| 1147 | ! ,south(i)*(jelb-ihalo)+north(i)*(jeub+ihalo)) |
---|
| 1148 | |
---|
| 1149 | ! If the corner processor is different from those to X and Y |
---|
| 1150 | ! we will need a corner communication. |
---|
| 1151 | |
---|
| 1152 | IF ( iproc.GT.0 .AND. iprocx.GT.0 .AND. iprocy.GT.0 .AND. & |
---|
| 1153 | iproc.NE.iprocx .AND. iproc.NE.iprocy ) THEN |
---|
| 1154 | |
---|
| 1155 | ! Ensure we don't include halos from the global borders if we |
---|
[3837] | 1156 | ! have cyclic E/W boundaries. |
---|
[3432] | 1157 | ielb_iproc = pielb(iproc) |
---|
| 1158 | ieub_iproc = pieub(iproc) |
---|
| 1159 | IF( cyclic_bc )THEN |
---|
| 1160 | IF(pilbext(iproc))ielb_iproc = pielb(iproc)+ihalo |
---|
| 1161 | IF(piubext(iproc))ieub_iproc = pieub(iproc)-ihalo |
---|
| 1162 | END IF |
---|
| 1163 | |
---|
| 1164 | #if defined ARPDEBUG |
---|
| 1165 | WRITE (*,FMT="(I3,': adding corner as ',I3,' differs from ',2I3)")& |
---|
| 1166 | narea-1, iproc,iprocx,iprocy |
---|
| 1167 | #endif |
---|
| 1168 | ! If the furthest corner point needs a communication, |
---|
| 1169 | ! we will need them all. |
---|
| 1170 | |
---|
| 1171 | IF ( ihalo.EQ.jpreci ) THEN |
---|
| 1172 | iprocc = iproc |
---|
| 1173 | |
---|
| 1174 | ! Ensure we don't include halos from the global borders if we |
---|
| 1175 | ! have cyclic E/W boundaries. |
---|
| 1176 | ielb_iproc = pielb(iprocc) |
---|
| 1177 | ieub_iproc = pieub(iprocc) |
---|
| 1178 | IF( cyclic_bc )THEN |
---|
| 1179 | IF(pilbext(iprocc))ielb_iproc = pielb(iprocc)+jpreci |
---|
| 1180 | IF(piubext(iprocc))ieub_iproc = pieub(iprocc)-jpreci |
---|
| 1181 | END IF |
---|
| 1182 | ! Set the flag to add everything to the communications list. |
---|
| 1183 | |
---|
| 1184 | addcorner = .TRUE. |
---|
| 1185 | |
---|
| 1186 | ENDIF |
---|
| 1187 | |
---|
| 1188 | ! Set the parameters for the communication. |
---|
| 1189 | ldiff0 = ielb_iproc - ieub_no_halo |
---|
| 1190 | ldiff1 = ielb_no_halo - ieub_iproc |
---|
| 1191 | ! Allow for wrap-around if necessary |
---|
| 1192 | IF(cyclic_bc)THEN |
---|
[3837] | 1193 | IF(ldiff0 < 1)THEN |
---|
| 1194 | !ARPDBG -2 for consistency with procmap |
---|
| 1195 | ldiff0 = ldiff0 + (jpiglo - 2) |
---|
| 1196 | END IF |
---|
| 1197 | IF(ldiff1 < 1)THEN |
---|
| 1198 | !ARPDBG -2 for consistency with procmap |
---|
| 1199 | ldiff1 = ldiff1 + (jpiglo - 2) |
---|
| 1200 | END IF |
---|
[3432] | 1201 | END IF |
---|
| 1202 | nxs (ihalo) = ihalo - east(i)*(ldiff0-1) & |
---|
| 1203 | - west(i)*(ldiff1-1) |
---|
[3837] | 1204 | ! Have no cyclic b.c.'s in N/S direction so probably don't need |
---|
| 1205 | ! the following checks on ldiff{0,1} |
---|
[3432] | 1206 | ldiff0 = pjelb(iprocc) - jeub |
---|
| 1207 | IF(ldiff0 < 1) ldiff0 = ldiff0 + jpjglo |
---|
| 1208 | ldiff1 = jelb - pjeub(iprocc) |
---|
| 1209 | IF(ldiff1 < 1) ldiff1 = ldiff1 + jpjglo |
---|
| 1210 | nys (ihalo) = ihalo - north(i)*(ldiff0-1) & |
---|
| 1211 | - south(i)*(ldiff1-1) |
---|
| 1212 | |
---|
| 1213 | ! Source for a send must be within the internal region of |
---|
| 1214 | ! the LOCAL domain |
---|
| 1215 | isrcs(ihalo) = east(i) *(iesub-nxs(ihalo)) + nldi |
---|
| 1216 | jsrcs(ihalo) = north(i)*(jesub-nys(ihalo)) + nldj |
---|
[3837] | 1217 | IF( cyclic_bc )THEN |
---|
[3432] | 1218 | IF( ilbext )THEN |
---|
| 1219 | ! nldi is still within halo for domains on W edge of |
---|
| 1220 | ! global domain |
---|
| 1221 | isrcs(ihalo) = isrcs(ihalo) + west(i) |
---|
| 1222 | ELSE IF( iubext )THEN |
---|
| 1223 | ! Final column is actually halo for domains on E edge of |
---|
| 1224 | ! global domain |
---|
| 1225 | isrcs(ihalo) = isrcs(ihalo) - east(i) |
---|
| 1226 | END IF |
---|
| 1227 | END IF |
---|
| 1228 | |
---|
| 1229 | ! Destination for a send must be within a halo region on the |
---|
| 1230 | ! REMOTE domain |
---|
| 1231 | ! MAX and MIN below to allow for edge domains that do not have |
---|
| 1232 | ! explicit halo |
---|
| 1233 | idess(ihalo) = west(i)*(MIN(nleit(iprocc)+ihalo, nlcit(iprocc)) & |
---|
| 1234 | - nxs(ihalo)+1) & |
---|
| 1235 | + east(i)*MAX(nldit(iprocc)-ihalo, 1) |
---|
| 1236 | |
---|
| 1237 | ! MAX and MIN below to allow for edge domains that do not have |
---|
| 1238 | ! explicit halo |
---|
| 1239 | jdess(ihalo) = south(i)*(MIN(nlejt(iprocc)+ihalo,nlcjt(iprocc))-nys(ihalo)+1) & |
---|
| 1240 | + north(i)*MAX(nldjt(iprocc) - ihalo,1) |
---|
| 1241 | |
---|
| 1242 | ! Source for a receive must be in an internal region of the REMOTE domain |
---|
| 1243 | isrcr(ihalo) = west(i)*(piesub(iprocc)-nxs(ihalo)) + nldit(iprocc) |
---|
[3837] | 1244 | IF( cyclic_bc )THEN |
---|
| 1245 | |
---|
| 1246 | ! This _could_ be a corner exchange wrapped around by the cyclic |
---|
| 1247 | ! boundary conditions: |
---|
| 1248 | ! |
---|
| 1249 | ! ||------| || |
---|
| 1250 | ! || | | || |
---|
| 1251 | ! ||a_____|__ _ _ | || |
---|
| 1252 | ! || -----------|| |
---|
| 1253 | ! || | a|| |
---|
| 1254 | ! || |________|| |
---|
| 1255 | |
---|
[3432] | 1256 | IF(pilbext(iprocc))THEN |
---|
| 1257 | ! nldi is still within halo for domains on E edge of |
---|
| 1258 | ! global domain |
---|
[3837] | 1259 | isrcr(ihalo) = isrcr(ihalo) + east(i) |
---|
[3432] | 1260 | ELSE IF(piubext(iprocc))THEN |
---|
| 1261 | ! Final column is actually halo for domains on W edge of |
---|
| 1262 | ! global domain |
---|
[3837] | 1263 | isrcr(ihalo) = isrcr(ihalo) - west(i) |
---|
[3432] | 1264 | END IF |
---|
| 1265 | END IF |
---|
| 1266 | jsrcr(ihalo) = south(i)*(pjesub(iprocc)-nys(ihalo)) + nldjt(iprocc) |
---|
| 1267 | |
---|
| 1268 | ! Destination for a receive must be in a halo region (on LOCAL |
---|
| 1269 | ! domain) and therefore: |
---|
| 1270 | ! 1 <= {i,j}desr <= jprec{i,j} or >= nle{i,j} + 1 |
---|
| 1271 | idesr(ihalo) = east(i)*(MIN(nlci,nlei+ihalo)-nxs(ihalo)+1) & !ARPDBG s/iesub/nlei/ |
---|
| 1272 | + west(i)*MAX(1,nldi-ihalo) !ARPDBG incl. nldi- |
---|
| 1273 | |
---|
| 1274 | jdesr(ihalo) = north(i)*(MIN(nlcj,nlej+ihalo)-nys(ihalo) + 1) & |
---|
| 1275 | + south(i)*MAX(1,nldj - ihalo) |
---|
| 1276 | |
---|
| 1277 | ELSE |
---|
| 1278 | |
---|
| 1279 | #if defined ARPDEBUG |
---|
| 1280 | IF ( iprocc.GT.0 ) THEN |
---|
| 1281 | WRITE (*,FMT="(I3,': skipping corner for halo ',I3,' PE ',I3)")& |
---|
| 1282 | narea-1,ihalo,iprocc-1 |
---|
| 1283 | ENDIF |
---|
| 1284 | #endif |
---|
| 1285 | |
---|
| 1286 | ! No communication for this halo width. |
---|
| 1287 | ! Clear all the parameters |
---|
| 1288 | ! in case there are comms for other halo widths. |
---|
| 1289 | |
---|
| 1290 | isrcs(ihalo) = 0 |
---|
| 1291 | jsrcs(ihalo) = 0 |
---|
| 1292 | idess(ihalo) = 0 |
---|
| 1293 | jdess(ihalo) = 0 |
---|
| 1294 | isrcr(ihalo) = 0 |
---|
| 1295 | jsrcr(ihalo) = 0 |
---|
| 1296 | idesr(ihalo) = 0 |
---|
| 1297 | jdesr(ihalo) = 0 |
---|
| 1298 | nxs (ihalo) = 0 |
---|
| 1299 | nys (ihalo) = 0 |
---|
| 1300 | |
---|
| 1301 | ENDIF |
---|
| 1302 | |
---|
| 1303 | ENDDO |
---|
| 1304 | |
---|
| 1305 | ! The size of the received data is always the same as |
---|
| 1306 | ! that of the sent data. |
---|
| 1307 | |
---|
| 1308 | nxr(:) = nxs(:) |
---|
| 1309 | nyr(:) = nys(:) |
---|
| 1310 | |
---|
| 1311 | ! Add the data to the communications lists. |
---|
| 1312 | |
---|
| 1313 | IF ( addcorner ) THEN |
---|
| 1314 | #if defined ARPDEBUG |
---|
[3849] | 1315 | WRITE (*,FMT="(I3,': ARPDBG adding corner send to ',I4,', dir = ',I1)") & |
---|
[3837] | 1316 | narea-1, procid(iprocc),i |
---|
[3432] | 1317 | #endif |
---|
[3837] | 1318 | CALL addsend (nsend,i,procid(iprocc), & |
---|
| 1319 | isrcs,jsrcs,idess,jdess,nxs,nys, & |
---|
| 1320 | depth,ibotlvl,ierr) |
---|
[3432] | 1321 | IF ( ierr.NE.0 ) RETURN |
---|
| 1322 | |
---|
| 1323 | ! Manually reverse the direction indicator for the receive. |
---|
| 1324 | j = opp_dirn(i) |
---|
| 1325 | |
---|
| 1326 | #if defined ARPDEBUG |
---|
[3849] | 1327 | WRITE (*,FMT="(I3,': ARPDBG adding corner recv. from ',I4,', old dir = ',I1,' new dir = ',I1)") & |
---|
[3837] | 1328 | narea-1, procid(iprocc),i, j |
---|
[3432] | 1329 | #endif |
---|
[3837] | 1330 | CALL addrecv (nrecv,j,procid(iprocc), & |
---|
| 1331 | isrcr,jsrcr,idesr,jdesr,nxr,nyr, & |
---|
| 1332 | depth,ibotlvl,ierr) |
---|
[3432] | 1333 | IF ( ierr.NE.0 ) RETURN |
---|
| 1334 | |
---|
| 1335 | ENDIF |
---|
| 1336 | |
---|
| 1337 | ENDDO |
---|
| 1338 | |
---|
| 1339 | DEALLOCATE(procid) |
---|
| 1340 | |
---|
| 1341 | END SUBROUTINE mapcomms |
---|
| 1342 | |
---|
| 1343 | |
---|
| 1344 | FUNCTION iprocmap ( ia, ja ) |
---|
| 1345 | !!------------------------------------------------------------------ |
---|
| 1346 | ! Returns the process number (1...N) of the process whose sub-domain |
---|
| 1347 | ! contains the point with global coordinates (i,j). |
---|
| 1348 | ! If no process owns the point, returns zero. |
---|
| 1349 | |
---|
| 1350 | ! i int input global x-coordinate |
---|
| 1351 | ! j int input global y-coordinate |
---|
| 1352 | |
---|
| 1353 | ! Mike Ashworth, CLRC Daresbury Laboratory, July 1999 |
---|
| 1354 | ! Andrew Porter, STFC Daresbury Laboratory, May 2008 |
---|
| 1355 | !!------------------------------------------------------------------ |
---|
| 1356 | IMPLICIT NONE |
---|
| 1357 | |
---|
| 1358 | ! Function arguments. |
---|
| 1359 | INTEGER :: iprocmap |
---|
| 1360 | INTEGER, INTENT(in) :: ia, ja |
---|
| 1361 | ! Local variables. |
---|
| 1362 | INTEGER :: iproc, i, j, iwidth |
---|
| 1363 | |
---|
| 1364 | iprocmap = 0 |
---|
| 1365 | |
---|
| 1366 | ! Make sure we don't change variable values in calling |
---|
| 1367 | ! routine... |
---|
| 1368 | i = ia |
---|
| 1369 | j = ja |
---|
| 1370 | IF(cyclic_bc)THEN |
---|
| 1371 | ! Allow for fact that first and last columns in global domain |
---|
| 1372 | ! are actually halos |
---|
| 1373 | iwidth = jpiglo - 2*jpreci |
---|
| 1374 | IF(i >= jpiglo) i = ia - iwidth |
---|
| 1375 | IF(i <= 1 ) i = ia + iwidth |
---|
| 1376 | ! No cyclic BCs in North/South direction |
---|
| 1377 | !IF(j > jpjglo) j = ja - jpjglo |
---|
| 1378 | !IF(j < 1 ) j = ja + jpjglo |
---|
| 1379 | END IF |
---|
| 1380 | |
---|
| 1381 | ! Search the processes for the one owning point (i,j). |
---|
| 1382 | |
---|
| 1383 | DO iproc=1,nprocp |
---|
| 1384 | IF ( pielb(iproc).LE.i .AND. i.LE.pieub(iproc) .AND. & |
---|
| 1385 | pjelb(iproc).LE.j .AND. j.LE.pjeub(iproc) ) THEN |
---|
| 1386 | iprocmap = iproc |
---|
| 1387 | EXIT |
---|
| 1388 | ENDIF |
---|
| 1389 | ENDDO |
---|
| 1390 | |
---|
| 1391 | ! ARP - for debugging only |
---|
| 1392 | !!$ IF(iprocmap == 0)THEN |
---|
[3849] | 1393 | !!$ WRITE(*,"('iprocmap: failed to find owner PE for (',I3,1x,I3,')')") ia, ja |
---|
[3432] | 1394 | !!$ WRITE(*,*) 'PE domains are [xmin:xmax][ymin:ymax]:' |
---|
| 1395 | !!$ DO iproc=1,nprocp,1 |
---|
| 1396 | !!$ WRITE(*,"(I3,': [',I3,':',I3,'][',I3,':',I3,']')") & |
---|
| 1397 | !!$ iproc, pielb(iproc), pieub(iproc), pjelb(iproc), pjeub(iproc) |
---|
| 1398 | !!$ END DO |
---|
| 1399 | !!$ END IF |
---|
| 1400 | |
---|
| 1401 | END FUNCTION iprocmap |
---|
| 1402 | |
---|
| 1403 | SUBROUTINE addsend ( icomm, dir, proc, isrc, jsrc, & |
---|
[3837] | 1404 | ides, jdes, nx, ny, depth, ibotlvl, ierr ) |
---|
[3432] | 1405 | !!------------------------------------------------------------------ |
---|
| 1406 | ! Adds a send communication specified by the parameters dir through |
---|
| 1407 | ! to ny to the send communication list at the next position. |
---|
| 1408 | ! icomm points to the last entry and is incremented and returned |
---|
| 1409 | ! if successful. |
---|
[3837] | 1410 | ! |
---|
[3432] | 1411 | ! icomm int in/out Location in comms list. |
---|
| 1412 | ! dir int input Direction. |
---|
| 1413 | ! proc int input Process id. |
---|
| 1414 | ! isrc int input X coordinate of source data. |
---|
| 1415 | ! jsrc int input Y coordinate of source data. |
---|
| 1416 | ! ides int input X coordinate of destination data. |
---|
| 1417 | ! jdes int input Y coordinate of destination data. |
---|
| 1418 | ! nx int input Size in X of data to be sent. |
---|
| 1419 | ! ny int input Size in Y of data to be sent. |
---|
| 1420 | ! depth input Global mask, 0 for land, 1 for wet |
---|
| 1421 | ! ierr int output Error flag. |
---|
[3837] | 1422 | ! |
---|
[3432] | 1423 | ! Mike Ashworth, CLRC Daresbury Laboratory, March 1999 |
---|
| 1424 | ! Stephen Pickles, STFC Daresbury Laboratory |
---|
| 1425 | ! - Aug 2009: added depth argument and message clipping |
---|
| 1426 | ! - Sep 2009: added run-length encoding |
---|
| 1427 | !!------------------------------------------------------------------ |
---|
| 1428 | IMPLICIT NONE |
---|
| 1429 | |
---|
| 1430 | ! Subroutine arguments. |
---|
| 1431 | INTEGER, INTENT(inout) :: icomm |
---|
| 1432 | INTEGER, INTENT( in ) :: dir, proc |
---|
| 1433 | ! Global mask: 0 for land, 1 for ocean |
---|
| 1434 | INTEGER, DIMENSION(:,:), INTENT( in ) :: depth |
---|
[3837] | 1435 | INTEGER, DIMENSION(:,:), INTENT( in ) :: ibotlvl |
---|
[3432] | 1436 | INTEGER, INTENT( out ) :: ierr |
---|
| 1437 | INTEGER, DIMENSION(jpreci), INTENT( in ) :: isrc, jsrc, & |
---|
| 1438 | ides, jdes, nx, ny |
---|
| 1439 | ! Values of corresponding input arguments after clipping |
---|
[3837] | 1440 | INTEGER, DIMENSION(jpreci) :: cisrc,cjsrc,cides,cjdes,cnx,cny,cnz |
---|
[3432] | 1441 | ! Run-length encoded versions corresponding to above |
---|
[3837] | 1442 | INTEGER, DIMENSION(MaxPatch,jpreci) :: risrc,rjsrc,rides,rjdes,rnx,rny,rnz |
---|
[3432] | 1443 | ! Number of patches in run-length encoded message |
---|
| 1444 | INTEGER, DIMENSION(jpreci) :: npatches |
---|
| 1445 | INTEGER :: ihalo, ipatch |
---|
[3837] | 1446 | INTEGER :: nsendp_untrimmedz ! How many pts we'd be sending without |
---|
| 1447 | ! trimming in z direction |
---|
[3432] | 1448 | ! Whether there is still a message after clipping |
---|
| 1449 | LOGICAL :: something_left |
---|
| 1450 | |
---|
| 1451 | ! Clear the error flag. |
---|
| 1452 | ierr = 0 |
---|
| 1453 | |
---|
| 1454 | ! Return if the process id is not set. |
---|
| 1455 | |
---|
| 1456 | IF ( proc.LT.0 ) THEN |
---|
| 1457 | RETURN |
---|
| 1458 | ENDIF |
---|
| 1459 | |
---|
| 1460 | ! Can the message be clipped ? |
---|
| 1461 | |
---|
[3837] | 1462 | CALL clip_msg(depth, ibotlvl, & |
---|
| 1463 | isrc, jsrc, ides, jdes, nx, ny, & |
---|
| 1464 | cisrc,cjsrc,cides,cjdes,cnx,cny,cnz, & |
---|
| 1465 | risrc,rjsrc,rides,rjdes,rnx,rny,rnz, & |
---|
[3432] | 1466 | npatches, something_left) |
---|
| 1467 | |
---|
| 1468 | IF (something_left) THEN |
---|
| 1469 | |
---|
| 1470 | icomm = icomm+1 |
---|
| 1471 | |
---|
| 1472 | ! Check that the comms list has space for another entry. |
---|
| 1473 | |
---|
| 1474 | IF ( icomm.GT.MaxComm ) THEN |
---|
| 1475 | IF ( lwp ) THEN |
---|
| 1476 | WRITE (numout,*) 'ERROR: Number of separate ', & |
---|
| 1477 | 'communications exceeds maximum of ',MaxComm |
---|
| 1478 | ENDIF |
---|
| 1479 | ierr = -12 |
---|
| 1480 | RETURN |
---|
| 1481 | ENDIF |
---|
| 1482 | |
---|
| 1483 | ! Add the data into the comms list at the new location. |
---|
| 1484 | |
---|
| 1485 | dirsend(icomm) = dir |
---|
| 1486 | destination(icomm) = proc |
---|
| 1487 | isrcsend(icomm) = cisrc(1) |
---|
| 1488 | jsrcsend(icomm) = cjsrc(1) |
---|
| 1489 | idessend(icomm) = cides(1) |
---|
| 1490 | jdessend(icomm) = cjdes(1) |
---|
| 1491 | nxsend(icomm) = cnx(1) |
---|
| 1492 | nysend(icomm) = cny(1) |
---|
[3837] | 1493 | IF(msgtrim_z)THEN |
---|
| 1494 | nzsend(icomm) = cnz(1) |
---|
| 1495 | ELSE |
---|
| 1496 | nzsend(icomm) = jpk |
---|
| 1497 | END IF |
---|
[3432] | 1498 | |
---|
[3837] | 1499 | ! Zero count of untrimmed pts to send |
---|
| 1500 | nsendp_untrimmedz = 0 |
---|
| 1501 | |
---|
[3432] | 1502 | ! Also set up the comms lists encoded as the start points and |
---|
| 1503 | ! lengths of the contiguous runs of wet points. |
---|
| 1504 | DO ihalo=1,jpreci |
---|
[3837] | 1505 | |
---|
| 1506 | nsendp2d(icomm,ihalo) = 0 |
---|
| 1507 | nsendp(icomm,ihalo) = 0 |
---|
[3432] | 1508 | npatchsend(icomm,ihalo) = npatches(ihalo) |
---|
[3837] | 1509 | |
---|
[3432] | 1510 | DO ipatch=1,npatches(ihalo) |
---|
[3837] | 1511 | |
---|
[3432] | 1512 | isrcsendp(ipatch,icomm,ihalo) = risrc(ipatch,ihalo) |
---|
| 1513 | jsrcsendp(ipatch,icomm,ihalo) = rjsrc(ipatch,ihalo) |
---|
[3837] | 1514 | |
---|
[3432] | 1515 | nxsendp(ipatch,icomm,ihalo) = rnx(ipatch,ihalo) |
---|
| 1516 | nysendp(ipatch,icomm,ihalo) = rny(ipatch,ihalo) |
---|
[3837] | 1517 | IF(msgtrim_z)THEN |
---|
| 1518 | nzsendp(ipatch,icomm,ihalo)= rnz(ipatch,ihalo) |
---|
| 1519 | ELSE |
---|
| 1520 | nzsendp(ipatch,icomm,ihalo) = jpk |
---|
| 1521 | END IF |
---|
| 1522 | |
---|
[3432] | 1523 | ! Sum the no. of points to be sent over all |
---|
[3837] | 1524 | ! patches for both 2D-array halos and 3D-array halos |
---|
| 1525 | nsendp2d(icomm,ihalo) = nsendp2d(icomm,ihalo) + & |
---|
| 1526 | nxsendp(ipatch,icomm,ihalo)* & |
---|
| 1527 | nysendp(ipatch,icomm,ihalo) |
---|
| 1528 | nsendp(icomm,ihalo) = nsendp(icomm,ihalo) + & |
---|
| 1529 | nxsendp(ipatch,icomm,ihalo)* & |
---|
| 1530 | nysendp(ipatch,icomm,ihalo)* & |
---|
| 1531 | nzsendp(ipatch,icomm,ihalo) |
---|
| 1532 | IF(msgtrim_z)THEN |
---|
| 1533 | nsendp_untrimmedz = nsendp_untrimmedz + & |
---|
| 1534 | nxsendp(ipatch,icomm,ihalo)* & |
---|
| 1535 | nysendp(ipatch,icomm,ihalo)* & |
---|
| 1536 | jpk |
---|
| 1537 | END IF |
---|
[3432] | 1538 | END DO |
---|
| 1539 | END DO |
---|
| 1540 | |
---|
| 1541 | #if defined ARPDEBUG |
---|
[3837] | 1542 | WRITE (*,FMT="(I4,': ARPDBG adding SEND:')") narea-1 |
---|
| 1543 | WRITE (*,FMT="(I4,': ARPDBG: icomm = ',I2)") narea-1,icomm |
---|
| 1544 | WRITE (*,FMT="(I4,': ARPDBG: dir = ',I2)") narea-1,dirsend(icomm) |
---|
| 1545 | WRITE (*,FMT="(I4,': ARPDBG: proc = ',I4)") narea-1,destination(icomm) |
---|
| 1546 | WRITE (*,FMT="(I4,': ARPDBG: isrc = ',I4)") narea-1,isrcsend(icomm) |
---|
| 1547 | WRITE (*,FMT="(I4,': ARPDBG: jsrc = ',I4)") narea-1,jsrcsend(icomm) |
---|
| 1548 | WRITE (*,FMT="(I4,': ARPDBG: ides = ',I4)") narea-1,idessend(icomm) |
---|
| 1549 | WRITE (*,FMT="(I4,': ARPDBG: jdes = ',I4)") narea-1,jdessend(icomm) |
---|
| 1550 | WRITE (*,FMT="(I4,': ARPDBG: nx = ',I4)") narea-1,nxsend(icomm) |
---|
| 1551 | WRITE (*,FMT="(I4,': ARPDBG: ny = ',I4)") narea-1,nysend(icomm) |
---|
| 1552 | WRITE (*,FMT="(I4,': ARPDBG: nz = ',I4)") narea-1,nzsend(icomm) |
---|
| 1553 | WRITE (*,FMT="(I4,': ARPDBG:npatch = ',I3)") narea-1,npatches(1) |
---|
[3432] | 1554 | |
---|
| 1555 | DO ipatch=1,npatches(1) |
---|
[3837] | 1556 | WRITE (*,FMT="(I4,': ARPDBG: patch ',I2,': isrc = ',I4)") & |
---|
[3432] | 1557 | narea-1,ipatch,isrcsendp(ipatch,icomm,1) |
---|
[3837] | 1558 | WRITE (*,FMT="(I4,': ARPDBG: patch ',I2,': jsrc = ',I4)") & |
---|
[3432] | 1559 | narea-1,ipatch,jsrcsendp(ipatch,icomm,1) |
---|
[3837] | 1560 | WRITE (*,FMT="(I4,': ARPDBG: patch ',I2,': nx = ',I4)") & |
---|
[3432] | 1561 | narea-1,ipatch,nxsendp(ipatch,icomm,1) |
---|
[3837] | 1562 | WRITE (*,FMT="(I4,': ARPDBG: patch ',I2,': ny = ',I4)") & |
---|
[3432] | 1563 | narea-1,ipatch,nysendp(ipatch,icomm,1) |
---|
[3837] | 1564 | WRITE (*,FMT="(I4,': ARPDBG: patch ',I2,': nz = ',I4)") & |
---|
| 1565 | narea-1,ipatch,nzsendp(ipatch,icomm,1) |
---|
[3432] | 1566 | END DO |
---|
| 1567 | |
---|
[3837] | 1568 | WRITE (*,FMT="(I4,': ARPDBG:nsendp = ',I4)") narea-1,nsendp(icomm,1) |
---|
| 1569 | IF(msgtrim_z)THEN |
---|
| 1570 | WRITE (*,FMT="(I4,': ARPDBG:nsendp WITHOUT z trim = ',I4)") & |
---|
| 1571 | narea-1,nsendp_untrimmedz |
---|
| 1572 | END IF |
---|
| 1573 | WRITE (*,FMT="(I4,': ARPDBG SEND ends')") narea-1 |
---|
[3432] | 1574 | #endif |
---|
| 1575 | |
---|
| 1576 | END IF ! something left after message trimming |
---|
| 1577 | |
---|
| 1578 | END SUBROUTINE addsend |
---|
| 1579 | |
---|
| 1580 | SUBROUTINE addrecv ( icomm, dir, proc, isrc, jsrc, & |
---|
[3837] | 1581 | ides, jdes, nx, ny, depth, ibotlvl, ierr ) |
---|
| 1582 | !!------------------------------------------------------------------ |
---|
| 1583 | ! Adds a recv communication specified by the parameters dir through |
---|
| 1584 | ! to ny to the recv communication list at the next position. |
---|
| 1585 | ! icomm points to the last entry and is incremented and returned |
---|
| 1586 | ! if successful. |
---|
| 1587 | ! |
---|
| 1588 | ! icomm int in/out Location in comms list. |
---|
| 1589 | ! dir int input Direction. |
---|
| 1590 | ! proc int input Process id. |
---|
| 1591 | ! isrc int input X coordinate of source data. |
---|
| 1592 | ! jsrc int input Y coordinate of source data. |
---|
| 1593 | ! ides int input X coordinate of dest. data. |
---|
| 1594 | ! jdes int input Y coordinate of dest. data. |
---|
| 1595 | ! nx int input Size in X of data to be sent. |
---|
| 1596 | ! ny int input Size in Y of data to be sent. |
---|
| 1597 | ! ierr int output Error flag. |
---|
| 1598 | ! |
---|
| 1599 | ! Mike Ashworth, CLRC Daresbury Laboratory, March 1999 |
---|
| 1600 | !!------------------------------------------------------------------ |
---|
[3432] | 1601 | IMPLICIT NONE |
---|
| 1602 | |
---|
| 1603 | ! Subroutine arguments. |
---|
| 1604 | INTEGER, INTENT(inout) :: icomm |
---|
| 1605 | INTEGER, INTENT( in ) :: dir, proc |
---|
| 1606 | INTEGER, INTENT(out) :: ierr |
---|
| 1607 | INTEGER, DIMENSION(:,:), INTENT( in ) :: depth |
---|
[3837] | 1608 | INTEGER, DIMENSION(:,:), INTENT( in ) :: ibotlvl |
---|
[3432] | 1609 | INTEGER, DIMENSION(jpreci) :: isrc, jsrc, ides, jdes, nx, ny |
---|
| 1610 | |
---|
| 1611 | ! Local variables. |
---|
| 1612 | |
---|
| 1613 | ! Values of corresponding input arguments after clipping |
---|
[3837] | 1614 | INTEGER, DIMENSION(jpreci) :: cisrc,cjsrc,cides,cjdes,cnx,cny,cnz |
---|
[3432] | 1615 | ! Run-length encoded versions corresponding to above |
---|
[3837] | 1616 | INTEGER, dimension(MaxPatch,jpreci) :: risrc,rjsrc,rides,rjdes,rnx,rny,rnz |
---|
[3432] | 1617 | ! Number of patches in run-length encoded message |
---|
| 1618 | INTEGER, DIMENSION(jpreci) :: npatches |
---|
| 1619 | INTEGER :: ihalo, ipatch |
---|
| 1620 | ! Whether there is still a message after clipping |
---|
| 1621 | LOGICAL :: something_left |
---|
| 1622 | |
---|
| 1623 | ! Clear the error flag. |
---|
| 1624 | |
---|
| 1625 | ierr = 0 |
---|
| 1626 | |
---|
| 1627 | ! Return if the process id is not set. |
---|
| 1628 | |
---|
| 1629 | IF ( proc.LT.0 ) THEN |
---|
| 1630 | RETURN |
---|
| 1631 | ENDIF |
---|
| 1632 | |
---|
| 1633 | ! Can the message be clipped ? |
---|
| 1634 | |
---|
[3837] | 1635 | CALL clip_msg(depth, ibotlvl, & |
---|
| 1636 | ides, jdes, isrc, jsrc, nx, ny, & |
---|
| 1637 | cides,cjdes,cisrc,cjsrc,cnx,cny,cnz, & |
---|
| 1638 | rides,rjdes,risrc,rjsrc,rnx,rny,rnz, & |
---|
[3432] | 1639 | npatches, something_left) |
---|
| 1640 | |
---|
| 1641 | IF (something_left) THEN |
---|
| 1642 | |
---|
| 1643 | icomm = icomm+1 |
---|
| 1644 | |
---|
| 1645 | ! Check that the comms list has space for another entry. |
---|
| 1646 | |
---|
| 1647 | IF ( icomm.GT.MaxComm ) THEN |
---|
| 1648 | IF ( lwp ) THEN |
---|
| 1649 | WRITE (numout,*) 'ERROR: Number of separate ', & |
---|
| 1650 | 'communications exceeds maximum of ',MaxComm |
---|
| 1651 | ENDIF |
---|
| 1652 | ierr = -12 |
---|
| 1653 | RETURN |
---|
| 1654 | ENDIF |
---|
| 1655 | |
---|
| 1656 | ! Add the data into the comms list at the new location. |
---|
| 1657 | |
---|
| 1658 | dirrecv(icomm) = dir |
---|
| 1659 | source(icomm) = proc |
---|
| 1660 | isrcrecv(icomm) = cisrc(1) |
---|
| 1661 | jsrcrecv(icomm) = cjsrc(1) |
---|
| 1662 | idesrecv(icomm) = cides(1) |
---|
| 1663 | jdesrecv(icomm) = cjdes(1) |
---|
[3837] | 1664 | |
---|
[3432] | 1665 | nxrecv(icomm) = cnx(1) |
---|
| 1666 | nyrecv(icomm) = cny(1) |
---|
[3837] | 1667 | IF(msgtrim_z)THEN |
---|
| 1668 | nzrecv(icomm) = cnz(1) |
---|
| 1669 | ELSE |
---|
| 1670 | nzrecv(icomm) = jpk |
---|
| 1671 | END IF |
---|
[3432] | 1672 | |
---|
| 1673 | DO ihalo=1,jpreci |
---|
[3837] | 1674 | |
---|
| 1675 | nrecvp2d(icomm,ihalo) = 0 |
---|
| 1676 | nrecvp(icomm,ihalo) = 0 |
---|
[3432] | 1677 | npatchrecv(icomm,ihalo) = npatches(ihalo) |
---|
[3837] | 1678 | |
---|
[3432] | 1679 | DO ipatch=1,npatches(ihalo) |
---|
| 1680 | isrcrecvp(ipatch,icomm,ihalo) = risrc(ipatch,ihalo) |
---|
| 1681 | jsrcrecvp(ipatch,icomm,ihalo) = rjsrc(ipatch,ihalo) |
---|
| 1682 | idesrecvp(ipatch,icomm,ihalo) = rides(ipatch,ihalo) |
---|
| 1683 | jdesrecvp(ipatch,icomm,ihalo) = rjdes(ipatch,ihalo) |
---|
| 1684 | nxrecvp(ipatch,icomm,ihalo) = rnx(ipatch,ihalo) |
---|
| 1685 | nyrecvp(ipatch,icomm,ihalo) = rny(ipatch,ihalo) |
---|
[3837] | 1686 | IF(msgtrim_z)THEN |
---|
| 1687 | nzrecvp(ipatch,icomm,ihalo) = rnz(ipatch,ihalo) |
---|
| 1688 | ELSE |
---|
| 1689 | nzrecvp(ipatch,icomm,ihalo) = jpk |
---|
| 1690 | END IF |
---|
| 1691 | |
---|
[3432] | 1692 | ! Sum the no. of points to be received over all |
---|
| 1693 | ! patches |
---|
[3837] | 1694 | nrecvp2d(icomm,ihalo) = nrecvp2d(icomm,ihalo) + & |
---|
| 1695 | nxrecvp(ipatch,icomm,ihalo)* & |
---|
| 1696 | nyrecvp(ipatch,icomm,ihalo) |
---|
| 1697 | |
---|
| 1698 | nrecvp(icomm,ihalo) = nrecvp(icomm,ihalo) + & |
---|
| 1699 | nxrecvp(ipatch,icomm,ihalo)* & |
---|
| 1700 | nyrecvp(ipatch,icomm,ihalo)* & |
---|
| 1701 | nzrecvp(ipatch,icomm,ihalo) |
---|
[3432] | 1702 | END DO |
---|
| 1703 | END DO |
---|
| 1704 | |
---|
| 1705 | #if defined ARPDEBUG |
---|
| 1706 | WRITE (*,FMT="(I3,': ARPDBG adding RECV:')") narea-1 |
---|
| 1707 | WRITE (*,FMT="(I3,': ARPDBG: icomm = ',I2)") narea-1,icomm |
---|
| 1708 | WRITE (*,FMT="(I3,': ARPDBG: dir = ',I2)") narea-1,dir |
---|
[3837] | 1709 | WRITE (*,FMT="(I3,': ARPDBG: proc = ',I4)") narea-1,proc |
---|
| 1710 | WRITE (*,FMT="(I3,': ARPDBG: isrc = ',I4)") narea-1,isrcrecv(icomm) |
---|
| 1711 | WRITE (*,FMT="(I3,': ARPDBG: jsrc = ',I4)") narea-1,jsrcrecv(icomm) |
---|
| 1712 | WRITE (*,FMT="(I3,': ARPDBG: ides = ',I4)") narea-1,idesrecv(icomm) |
---|
| 1713 | WRITE (*,FMT="(I3,': ARPDBG: jdes = ',I4)") narea-1,jdesrecv(icomm) |
---|
| 1714 | WRITE (*,FMT="(I3,': ARPDBG: nx = ',I4)") narea-1,nxrecv(icomm) |
---|
| 1715 | WRITE (*,FMT="(I3,': ARPDBG: ny = ',I4)") narea-1,nyrecv(icomm) |
---|
| 1716 | WRITE (*,FMT="(I3,': ARPDBG: nz = ',I4)") narea-1,nzrecv(icomm) |
---|
[3432] | 1717 | WRITE (*,FMT="(I3,': ARPDBG:npatch = ',I3)") narea-1,npatches(1) |
---|
| 1718 | DO ipatch=1,npatches(1) |
---|
[3837] | 1719 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': isrc = ',I4)") & |
---|
[3432] | 1720 | narea-1,ipatch,isrcrecvp(ipatch,icomm,1) |
---|
[3837] | 1721 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': jsrc = ',I4)") & |
---|
[3432] | 1722 | narea-1,ipatch,jsrcrecvp(ipatch,icomm,1) |
---|
[3837] | 1723 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': ides = ',I4)") & |
---|
[3432] | 1724 | narea-1,ipatch,idesrecvp(ipatch,icomm,1) |
---|
[3837] | 1725 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': jdes = ',I4)") & |
---|
[3432] | 1726 | narea-1,ipatch,jdesrecvp(ipatch,icomm,1) |
---|
[3837] | 1727 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': nx = ',I4)") & |
---|
[3432] | 1728 | narea-1,ipatch,nxrecvp(ipatch,icomm,1) |
---|
[3837] | 1729 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': ny = ',I4)") & |
---|
[3432] | 1730 | narea-1,ipatch,nyrecvp(ipatch,icomm,1) |
---|
[3837] | 1731 | WRITE (*,FMT="(I3,': ARPDBG: patch ',I2,': nz = ',I4)") & |
---|
| 1732 | narea-1,ipatch,nzrecvp(ipatch,icomm,1) |
---|
[3432] | 1733 | END DO |
---|
| 1734 | WRITE (*,FMT="(I3,': ARPDBG:nrecvp = ',I4)") narea-1,nrecvp(icomm,1) |
---|
| 1735 | WRITE (*,FMT="(I3,': ARPDBG RECV ends')") narea-1 |
---|
| 1736 | #endif |
---|
| 1737 | |
---|
| 1738 | END IF ! something left |
---|
| 1739 | |
---|
| 1740 | END SUBROUTINE addrecv |
---|
| 1741 | |
---|
| 1742 | |
---|
[3837] | 1743 | SUBROUTINE clip_msg(depth, ibotlvl, & |
---|
| 1744 | iloc, jloc, irem, jrem, nx, ny, & |
---|
| 1745 | ciloc,cjloc,cirem,cjrem,cnx,cny,cnz, & |
---|
| 1746 | riloc,rjloc,rirem,rjrem,rnx,rny,rnz, & |
---|
[3432] | 1747 | npatches, something_left) |
---|
[3837] | 1748 | !!------------------------------------------------------------------ |
---|
| 1749 | ! |
---|
| 1750 | ! Clip any exterior rows or columns that are permanently dry |
---|
| 1751 | ! from the message. Also remove any vertical levels that are |
---|
| 1752 | ! beneath the ocean floor. |
---|
| 1753 | ! |
---|
| 1754 | ! depth int input Land/sea mask - global coords |
---|
| 1755 | ! ibotlvl int input Index of the last vertical level |
---|
| 1756 | ! above sea floor |
---|
| 1757 | ! iloc int input local X coordinate of data start |
---|
| 1758 | ! jloc int input local Y coordinate of data start |
---|
| 1759 | ! irem int input remote X coordinate of data |
---|
| 1760 | ! jrem int input remote Y coordinate of data |
---|
| 1761 | ! nx int input Size in X of data to be sent |
---|
| 1762 | ! ny int input Size in Y of data to be sent |
---|
| 1763 | ! ciloc int output As iloc, after clipping |
---|
| 1764 | ! cjloc int output As jloc, after clipping |
---|
| 1765 | ! cirem int output As irem, after clipping |
---|
| 1766 | ! cjrem int output As jrem, after clipping |
---|
| 1767 | ! cnx int output As nx, after clipping |
---|
| 1768 | ! cny int output As ny, after clipping |
---|
| 1769 | ! |
---|
| 1770 | ! The run-length encoded versions split a message into one |
---|
| 1771 | ! or more patches, leaving out permanently dry rows/columns |
---|
| 1772 | ! |
---|
| 1773 | ! riloc int output As iloc, run-length encoded |
---|
| 1774 | ! rjloc int output As jloc, run-length encoded |
---|
| 1775 | ! rirem int output As irem, run-length encoded |
---|
| 1776 | ! rjrem int output As jrem, run-length encoded |
---|
| 1777 | ! rnx int output As nx, run-length encoded |
---|
| 1778 | ! rny int output As ny, run-length encoded |
---|
| 1779 | ! rnz int output Max depth (level) of this patch |
---|
| 1780 | ! npatches int output Number of patches |
---|
| 1781 | ! |
---|
| 1782 | ! something_left logical output |
---|
| 1783 | ! |
---|
| 1784 | ! Stephen Pickles, STFC Daresbury Laboratory, August 2009 |
---|
| 1785 | ! - Written |
---|
| 1786 | ! Stephen Pickles, STFC Daresbury Laboratory, September 2009 |
---|
| 1787 | ! - Added run-length encoding |
---|
| 1788 | ! Andrew Porter, STFC Daresbury Laboratory, January 2013 |
---|
| 1789 | ! - Added trimming of levels below sea floor |
---|
| 1790 | !!------------------------------------------------------------------ |
---|
[3432] | 1791 | USE dom_oce, ONLY: nimpp, njmpp |
---|
| 1792 | IMPLICIT none |
---|
| 1793 | ! Subroutine arguments. |
---|
| 1794 | INTEGER, DIMENSION(:,:), INTENT(in) :: depth ! Global mask (0 dry, 1 wet) |
---|
[3837] | 1795 | INTEGER, DIMENSION(:,:), INTENT(in) :: ibotlvl ! Bottom level of ocean |
---|
[3432] | 1796 | INTEGER, DIMENSION(jpreci) :: iloc, jloc, irem, jrem, nx, ny |
---|
[3837] | 1797 | INTEGER, DIMENSION(jpreci) :: ciloc,cjloc,cirem,cjrem,cnx,cny,cnz |
---|
| 1798 | INTEGER, DIMENSION(MaxPatch,jpreci) :: riloc,rjloc,rirem,rjrem,rnx,rny,rnz |
---|
[3432] | 1799 | INTEGER, DIMENSION(jpreci), INTENT(out) :: npatches |
---|
[3837] | 1800 | LOGICAL, INTENT(out) :: something_left |
---|
[3432] | 1801 | ! Local variables. |
---|
| 1802 | INTEGER :: h, i, j, patch |
---|
| 1803 | LOGICAL :: all_dry |
---|
| 1804 | |
---|
[3837] | 1805 | ! i, j, k limits of the halo patch, in local co-ordinates |
---|
[3432] | 1806 | ! These are set from input arguments, then updated as we trim |
---|
| 1807 | INTEGER :: ilo, ihi, jlo, jhi |
---|
| 1808 | |
---|
| 1809 | ciloc(:) = iloc(:) |
---|
| 1810 | cjloc(:) = jloc(:) |
---|
| 1811 | cirem(:) = irem(:) |
---|
| 1812 | cjrem(:) = jrem(:) |
---|
| 1813 | cnx(:) = nx(:) |
---|
| 1814 | cny(:) = ny(:) |
---|
[3837] | 1815 | cnz(:) = jpk |
---|
[3432] | 1816 | riloc(1,:) = iloc(:) |
---|
| 1817 | rjloc(1,:) = jloc(:) |
---|
| 1818 | rirem(1,:) = irem(:) |
---|
| 1819 | rjrem(1,:) = jrem(:) |
---|
| 1820 | rnx(1,:) = nx(:) |
---|
| 1821 | rny(1,:) = ny(:) |
---|
[3837] | 1822 | rnz(:,:) = jpk |
---|
[3432] | 1823 | npatches(:) = 1 |
---|
| 1824 | something_left = .TRUE. |
---|
| 1825 | |
---|
| 1826 | IF (.NOT. msgtrim) RETURN |
---|
| 1827 | |
---|
| 1828 | something_left = .FALSE. |
---|
| 1829 | |
---|
| 1830 | ! Loop over halo widths |
---|
| 1831 | haloes: DO h=1, jpreci |
---|
| 1832 | |
---|
| 1833 | ilo = iloc(h) |
---|
| 1834 | ihi = iloc(h) + cnx(h) - 1 |
---|
| 1835 | jlo = jloc(h) |
---|
| 1836 | jhi = jloc(h) + cny(h) - 1 |
---|
| 1837 | |
---|
| 1838 | ! Can any points along the left (low i) edge be trimmed? |
---|
[3849] | 1839 | left_edge: DO i=ilo, ihi |
---|
[3432] | 1840 | DO j=jlo, jhi |
---|
| 1841 | ! depth is global mask, i and j are local coords |
---|
[3837] | 1842 | ! ARPDBG - not sure that nextra needed below? |
---|
| 1843 | !IF (depth(i+nimpp-1+nextra,j+njmpp-1) .NE. LAND) EXIT left_edge |
---|
| 1844 | IF (depth(i+nimpp-1,j+njmpp-1) .NE. LAND) EXIT left_edge |
---|
[3432] | 1845 | END DO |
---|
| 1846 | ciloc(h) = ciloc(h) + 1 |
---|
| 1847 | cirem(h) = cirem(h) + 1 |
---|
| 1848 | cnx(h) = cnx(h) - 1 |
---|
| 1849 | END DO left_edge |
---|
| 1850 | |
---|
| 1851 | IF (cnx(h) .LE. 0) THEN |
---|
| 1852 | cnx(h) = 0 |
---|
| 1853 | cny(h) = 0 |
---|
[3837] | 1854 | cnz(h) = 0 |
---|
[3432] | 1855 | ciloc(h) = iloc(h) |
---|
| 1856 | npatches(h) = 0 |
---|
| 1857 | rnx(1,h) = 0 |
---|
| 1858 | rny(1,h) = 0 |
---|
| 1859 | riloc(1,h) = iloc(h) |
---|
| 1860 | CYCLE haloes |
---|
| 1861 | END IF |
---|
| 1862 | ilo = ciloc(h) |
---|
| 1863 | |
---|
| 1864 | ! We now know that the trimmed patch must contain at least |
---|
| 1865 | ! one seapoint for this halo width. |
---|
| 1866 | something_left = .TRUE. |
---|
| 1867 | |
---|
| 1868 | ! Can any points along the right (high i) edge be trimmed? |
---|
[3849] | 1869 | right_edge: DO i=ihi, ilo, -1 |
---|
[3432] | 1870 | DO j=jlo, jhi |
---|
[3837] | 1871 | ! IF (depth(i+nimpp-1-nextra,j+njmpp-1) .ne. land) exit right_edge |
---|
[3432] | 1872 | IF (depth(i+nimpp-1,j+njmpp-1) .ne. land) exit right_edge |
---|
| 1873 | END DO |
---|
| 1874 | cnx(h) = cnx(h) - 1 |
---|
| 1875 | END DO right_edge |
---|
| 1876 | ihi = ilo + cnx(h) - 1 |
---|
| 1877 | |
---|
| 1878 | ! Can any points along the bottom (low j) edge be trimmed? |
---|
| 1879 | bottom_edge: DO j=jlo, jhi |
---|
| 1880 | DO i=ilo, ihi |
---|
| 1881 | IF (depth(i+nimpp-1,j+njmpp-1) .ne. land) exit bottom_edge |
---|
| 1882 | END do |
---|
| 1883 | cjloc(h) = cjloc(h) + 1 |
---|
| 1884 | cjrem(h) = cjrem(h) + 1 |
---|
| 1885 | cny(h) = cny(h) - 1 |
---|
| 1886 | END DO bottom_edge |
---|
| 1887 | jlo = cjloc(h) |
---|
| 1888 | |
---|
| 1889 | ! Can any points along the top (high j) edge be trimmed? |
---|
| 1890 | top_edge: DO j=jhi, jlo, -1 |
---|
| 1891 | DO i=ilo, ihi |
---|
| 1892 | IF (depth(i+nimpp-1,j+njmpp-1) .ne. land) exit top_edge |
---|
| 1893 | END do |
---|
| 1894 | cny(h) = cny(h) - 1 |
---|
| 1895 | END DO top_edge |
---|
| 1896 | jhi = jlo + cny(h) - 1 |
---|
| 1897 | |
---|
| 1898 | ! Exterior dry rows and columns have now been clipped from |
---|
| 1899 | ! the message. We can do something about interior |
---|
| 1900 | ! dry rows/columns by splitting a message into patches |
---|
| 1901 | ! of wet points. |
---|
| 1902 | |
---|
| 1903 | ! Start first patch |
---|
| 1904 | patch = 1 |
---|
| 1905 | npatches(h) = patch |
---|
| 1906 | riloc(1,h) = ilo |
---|
| 1907 | rjloc(1,h) = jlo |
---|
| 1908 | rirem(1,h) = cirem(h) |
---|
| 1909 | rjrem(1,h) = cjrem(h) |
---|
| 1910 | rnx(1,h) = 0 |
---|
| 1911 | rny(1,h) = 0 |
---|
| 1912 | |
---|
| 1913 | IF (cnx(h) .GE. cny(h)) THEN |
---|
| 1914 | |
---|
| 1915 | ! Longer in x dimension! |
---|
| 1916 | i = ilo |
---|
| 1917 | rny(1,h) = cny(h) |
---|
| 1918 | |
---|
| 1919 | make_patches_x: DO WHILE (patch .lt. MaxPatch) |
---|
| 1920 | |
---|
[3837] | 1921 | IF(i == ihi)THEN |
---|
[3432] | 1922 | |
---|
[3837] | 1923 | rnx(patch,h) = 1 |
---|
| 1924 | ELSE |
---|
| 1925 | |
---|
| 1926 | add_sea_cols: DO WHILE (i .lt. ihi) |
---|
| 1927 | ! Check this strip in y to see whether all points are dry |
---|
| 1928 | ! !all_dry = .TRUE. |
---|
| 1929 | !IF( ANY( depth(ilo+nimpp-1:ihi+nimpp-2,j+njmpp-1) .NE. LAND ) )all_dry = .FALSE. |
---|
| 1930 | !IF( ALL( depth(i+nimpp-1,jlo+njmpp-1:jhi+njmpp-1) == LAND ) )EXIT add_sea_cols |
---|
| 1931 | |
---|
| 1932 | all_dry = .TRUE. |
---|
| 1933 | DO j=jlo, jhi |
---|
| 1934 | IF (depth(i+nimpp-1,j+njmpp-1) .NE. land) THEN |
---|
| 1935 | all_dry = .FALSE. |
---|
| 1936 | END IF |
---|
| 1937 | END DO |
---|
| 1938 | IF (all_dry) EXIT add_sea_cols |
---|
| 1939 | |
---|
| 1940 | rnx(patch,h) = rnx(patch,h) + 1 |
---|
| 1941 | i = i+1 |
---|
| 1942 | END DO add_sea_cols |
---|
| 1943 | END IF |
---|
| 1944 | |
---|
[3432] | 1945 | ! This patch is now finished. |
---|
[3837] | 1946 | |
---|
| 1947 | ! Store max depth of ocean bottom in this patch. riloc holds the starting |
---|
| 1948 | ! point of current patch in local coords. |
---|
| 1949 | ! riloc(patch,h) + nimpp - 1 is same point in global coords |
---|
| 1950 | ! End of patch is then at <start> + <length> - 1 |
---|
| 1951 | rnz(patch,h) = MAXVAL(ibotlvl(riloc(patch,h)+nimpp-1: & |
---|
| 1952 | riloc(patch,h)+rnx(patch,h)+nimpp-2, & |
---|
| 1953 | jlo+njmpp-1:jhi+njmpp-1) ) |
---|
| 1954 | |
---|
[3432] | 1955 | ! Skip land cols before starting the next patch. |
---|
| 1956 | |
---|
| 1957 | skip_land_cols: DO WHILE (i .lt. ihi) |
---|
| 1958 | DO j=jlo, jhi |
---|
| 1959 | IF (depth(i+nimpp-1,j+njmpp-1) .NE. land) THEN |
---|
| 1960 | EXIT skip_land_cols |
---|
| 1961 | END IF |
---|
| 1962 | END DO |
---|
| 1963 | i = i+1 |
---|
| 1964 | END DO skip_land_cols |
---|
| 1965 | |
---|
| 1966 | ! No more wet points? |
---|
| 1967 | IF (i .GE. ihi) EXIT make_patches_x |
---|
| 1968 | |
---|
| 1969 | ! Start next patch |
---|
| 1970 | patch = patch + 1 |
---|
| 1971 | npatches(h) = patch |
---|
| 1972 | riloc(patch,h) = i |
---|
| 1973 | rjloc(patch,h) = jlo |
---|
| 1974 | rirem(patch,h) = cirem(h)+i-ilo |
---|
| 1975 | rjrem(patch,h) = cjrem(h) |
---|
| 1976 | rnx(patch,h) = 0 |
---|
| 1977 | rny(patch,h) = cny(h) |
---|
| 1978 | |
---|
| 1979 | END DO make_patches_x |
---|
| 1980 | |
---|
| 1981 | ! Finish the last patch |
---|
| 1982 | rnx(npatches(h),h) = ihi - riloc(npatches(h),h) + 1 |
---|
[3837] | 1983 | rnz(npatches(h),h) = MAXVAL(ibotlvl(riloc(npatches(h),h)+nimpp-1: & |
---|
| 1984 | riloc(npatches(h),h)+rnx(npatches(h),h)+nimpp-2, & |
---|
| 1985 | jlo+njmpp-1:jhi+njmpp-1) ) |
---|
[3432] | 1986 | |
---|
| 1987 | ELSE |
---|
| 1988 | |
---|
| 1989 | ! Longer in y dimension! |
---|
| 1990 | j = jlo |
---|
| 1991 | rnx(1,h) = cnx(h) |
---|
| 1992 | |
---|
[3837] | 1993 | make_patches_y: DO WHILE (patch .lt. MaxPatch) |
---|
[3432] | 1994 | |
---|
[3837] | 1995 | add_sea_rows: DO WHILE (j .lt. jhi) |
---|
[3432] | 1996 | |
---|
[3837] | 1997 | ! IF( ALL( depth(ilo+nimpp-1:ihi+nimpp-1, & |
---|
| 1998 | ! j+njmpp-1) == LAND ) )EXIT add_sea_rows |
---|
[3432] | 1999 | |
---|
[3837] | 2000 | all_dry = .TRUE. |
---|
| 2001 | DO i=ilo, ihi |
---|
| 2002 | if (depth(i+nimpp-1,j+njmpp-1) .ne. land) then |
---|
| 2003 | all_dry = .FALSE. |
---|
| 2004 | end if |
---|
| 2005 | END DO |
---|
| 2006 | IF (all_dry) EXIT add_sea_rows |
---|
| 2007 | |
---|
| 2008 | rny(patch,h) = rny(patch,h) + 1 |
---|
| 2009 | j = j+1 |
---|
| 2010 | END DO add_sea_rows |
---|
| 2011 | |
---|
| 2012 | ! This patch is now finished. |
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| 2013 | |
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| 2014 | ! Store max depth of ocean bottom in this patch |
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| 2015 | rnz(patch,h) = MAXVAL(ibotlvl(ilo+nimpp-1:ihi+nimpp-1, & |
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| 2016 | rjloc(patch,h)+njmpp-1: & |
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| 2017 | rjloc(patch,h)+rny(patch,h)+njmpp-2) ) |
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| 2018 | |
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| 2019 | ! Skip land rows before starting the next patch. |
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| 2020 | |
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| 2021 | skip_land_rows: DO WHILE (j .lt. jhi) |
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| 2022 | DO i=ilo, ihi |
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| 2023 | IF (depth(i+nimpp-1,j+njmpp-1) .NE. LAND) THEN |
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| 2024 | EXIT skip_land_rows |
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| 2025 | END IF |
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| 2026 | END DO |
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| 2027 | j = j+1 |
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| 2028 | END DO skip_land_rows |
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[3432] | 2029 | |
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[3837] | 2030 | ! No more wet points? |
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| 2031 | IF (j .ge. jhi) EXIT make_patches_y |
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[3432] | 2032 | |
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[3837] | 2033 | ! Start next patch |
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| 2034 | patch = patch + 1 |
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| 2035 | npatches(h) = patch |
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| 2036 | riloc(patch,h) = ilo |
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| 2037 | rjloc(patch,h) = j |
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| 2038 | rirem(patch,h) = cirem(h) |
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| 2039 | rjrem(patch,h) = cjrem(h)+j-jlo |
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| 2040 | rnx(patch,h) = cnx(h) |
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| 2041 | rny(patch,h) = 0 |
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[3432] | 2042 | |
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[3837] | 2043 | END DO make_patches_y |
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[3432] | 2044 | |
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[3837] | 2045 | ! Finish the last patch |
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| 2046 | rny(npatches(h),h) = jhi - rjloc(npatches(h),h) + 1 |
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| 2047 | rnz(npatches(h),h) = MAXVAL(ibotlvl(ilo+nimpp-1:ihi+nimpp-1, & |
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| 2048 | rjloc(npatches(h),h)+njmpp-1: & |
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| 2049 | rjloc(npatches(h),h)+rny(npatches(h),h)+njmpp-2) ) |
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[3432] | 2050 | |
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[3837] | 2051 | END IF |
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[3432] | 2052 | |
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[3837] | 2053 | ! Max depth for whole message is the maximum of the maximum depth of each |
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| 2054 | ! patch. |
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| 2055 | cnz(h) = MAXVAL(rnz(:,h)) |
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| 2056 | |
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[3432] | 2057 | END DO haloes |
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| 2058 | |
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| 2059 | END SUBROUTINE clip_msg |
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| 2060 | |
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| 2061 | END MODULE mapcomm_mod |
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