| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/exch2/w2_e2setup.F,v 1.3 2008/07/29 20:25:23 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_EEOPTIONS.h" |
| 5 |
#include "W2_OPTIONS.h" |
| 6 |
|
| 7 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 8 |
CBOP 0 |
| 9 |
C !ROUTINE: W2_SET_CS6_FACETS( myThid ) |
| 10 |
|
| 11 |
C !INTERFACE: |
| 12 |
SUBROUTINE W2_SET_CS6_FACETS( myThid ) |
| 13 |
|
| 14 |
C !DESCRIPTION: |
| 15 |
C Set-up multi facets(=sub-domains) topology : 6 facets Cube case |
| 16 |
C Facet Dimension taken from the 1rst 3 facet_dims (nRed, nGreen, nBlue) |
| 17 |
C if provided in "data.exch2"; if not, assume regular Cube (equal size) |
| 18 |
C and derive single dimension from "SIZE.h". |
| 19 |
|
| 20 |
C !USES: |
| 21 |
IMPLICIT NONE |
| 22 |
|
| 23 |
C Tile toplogy settings data structures |
| 24 |
#include "SIZE.h" |
| 25 |
#include "EEPARAMS.h" |
| 26 |
#include "W2_EXCH2_SIZE.h" |
| 27 |
#include "W2_EXCH2_PARAMS.h" |
| 28 |
#include "W2_EXCH2_TOPOLOGY.h" |
| 29 |
|
| 30 |
C !INPUT PARAMETERS: |
| 31 |
C myThid :: my Thread Id number |
| 32 |
C (Note: not relevant since threading has not yet started) |
| 33 |
INTEGER myThid |
| 34 |
|
| 35 |
C !LOCAL VARIABLES: |
| 36 |
C === Local variables === |
| 37 |
C msgBuf :: Informational/error meesage buffer |
| 38 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 39 |
CHARACTER*1 edge(4) |
| 40 |
INTEGER i, j, ii, jj, lo, ll |
| 41 |
INTEGER nRd, nGr, nBl |
| 42 |
INTEGER setDims, addDims |
| 43 |
LOGICAL prtFlag |
| 44 |
Real*4 tmpVar |
| 45 |
CEOP |
| 46 |
DATA edge / 'N' , 'S' , 'E' , 'W' / |
| 47 |
|
| 48 |
WRITE(msgBuf,'(2A,I3,A)') 'W2_SET_CS6_FACETS:', |
| 49 |
& ' preDefTopol=', preDefTopol, ' selected' |
| 50 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 51 |
prtFlag = ABS(W2_printMsg).GE.2 |
| 52 |
& .OR. ( W2_printMsg .NE.0 .AND. myProcId.EQ.0 ) |
| 53 |
|
| 54 |
C-- Number of facets: |
| 55 |
nFacets = 6 |
| 56 |
IF ( nfacets.GT.W2_maxNbFacets ) |
| 57 |
& STOP 'ABNORMAL END: S/R W2_SET_CS6_FACETS (nFacets>maxNbFacets)' |
| 58 |
|
| 59 |
C-- Facet Edge connections ( edges order: N,S,E,W <==> 1,2,3,4 ) |
| 60 |
DO j=1,nFacets |
| 61 |
IF ( MOD(j,2).EQ.1 ) THEN |
| 62 |
jj = j+2 |
| 63 |
facet_link(1,j) = 0.4 + FLOAT( 1+MOD(jj+5,6) ) |
| 64 |
jj = j-1 |
| 65 |
facet_link(2,j) = 0.1 + FLOAT( 1+MOD(jj+5,6) ) |
| 66 |
jj = j+1 |
| 67 |
facet_link(3,j) = 0.4 + FLOAT( 1+MOD(jj+5,6) ) |
| 68 |
jj = j-2 |
| 69 |
facet_link(4,j) = 0.1 + FLOAT( 1+MOD(jj+5,6) ) |
| 70 |
ELSE |
| 71 |
jj = j+1 |
| 72 |
facet_link(1,j) = 0.2 + FLOAT( 1+MOD(jj+5,6) ) |
| 73 |
jj = j-2 |
| 74 |
facet_link(2,j) = 0.3 + FLOAT( 1+MOD(jj+5,6) ) |
| 75 |
jj = j+2 |
| 76 |
facet_link(3,j) = 0.2 + FLOAT( 1+MOD(jj+5,6) ) |
| 77 |
jj = j-1 |
| 78 |
facet_link(4,j) = 0.3 + FLOAT( 1+MOD(jj+5,6) ) |
| 79 |
ENDIF |
| 80 |
ENDDO |
| 81 |
|
| 82 |
C-- facet dimension: take the 1rst 3 numbers from facet_dims |
| 83 |
nRd = facet_dims(1) |
| 84 |
nGr = facet_dims(2) |
| 85 |
nBl = facet_dims(3) |
| 86 |
DO j=4,W2_maxNbFacets*2 |
| 87 |
IF ( facet_dims(j).NE.0 ) THEN |
| 88 |
WRITE(msgBuf,'(2A,I5)') 'W2_SET_CS6_FACETS:', |
| 89 |
& ' no more than 3 dims (nRd,nGr,nBl) expected for CS-6 Topol' |
| 90 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 91 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 92 |
STOP 'ABNORMAL END: S/R W2_SET_CS6_FACETS: allows 3 dims only' |
| 93 |
ENDIF |
| 94 |
ENDDO |
| 95 |
IF ( nRd.GT.0 .AND. nGr+nBl.EQ.0 ) THEN |
| 96 |
C- Only 1rst dim is set: assuming a regular Cube |
| 97 |
nGr = nRd |
| 98 |
nBl = nRd |
| 99 |
ELSEIF ( nRd+nGr+nBl.EQ.0 ) THEN |
| 100 |
C- try to get cube size from number of tiles, assuming a regular Cube |
| 101 |
nGr = nTiles*sNx*sNy |
| 102 |
tmpVar = FLOAT(nGr)/6. |
| 103 |
tmpVar = SQRT(tmpVar) |
| 104 |
nRd = NINT(tmpVar) |
| 105 |
IF ( nRd*nRd*6 .EQ. nGr ) THEN |
| 106 |
nGr = nRd |
| 107 |
nBl = nRd |
| 108 |
WRITE(msgBuf,'(2A,I5)') 'W2_SET_CS6_FACETS:', |
| 109 |
& ' facet-dims Unset; assume nRd=nGr=nBl=', nRd |
| 110 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 111 |
ELSE |
| 112 |
WRITE(msgBuf,'(3(A,I4),A,I10,A,I6,A)') |
| 113 |
& ' nTiles*sNx*sNy=', nTiles, ' x',sNx,' x',sNy,' =',nGr |
| 114 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 115 |
WRITE(msgBuf,'(A,I6,A,I10)') |
| 116 |
& ' not equal to: 6 x',nRd,'^2 =', nRd*nRd*6 |
| 117 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 118 |
WRITE(msgBuf,'(2A,I5)') 'W2_SET_CS6_FACETS:', |
| 119 |
& ' facet-dims Unset; attempt to fit single dim FAIL' |
| 120 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 121 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 122 |
ENDIF |
| 123 |
ENDIF |
| 124 |
IF ( nRd*nGr*nBl.EQ.0 ) |
| 125 |
& STOP 'ABNORMAL END: S/R W2_SET_CS6_FACETS (Dims are missing)' |
| 126 |
|
| 127 |
|
| 128 |
C-- Set facet dimension : 1rst 3 are known: |
| 129 |
facet_dims(1) = nRd |
| 130 |
facet_dims(2) = nGr |
| 131 |
facet_dims(3) = nBl |
| 132 |
C- Derive the other using from connection graph (topology): |
| 133 |
setDims = 3 |
| 134 |
addDims = 1 |
| 135 |
DO WHILE ( addDims.GT.0 ) |
| 136 |
addDims = 0 |
| 137 |
DO j=2,nFacets |
| 138 |
DO i=1,4 |
| 139 |
C- connected to: |
| 140 |
jj = INT(facet_link(i,j)) |
| 141 |
ii = MOD( NINT(facet_link(i,j)*10.), 10 ) |
| 142 |
IF ( jj.GE.1 .AND. jj.LE.nFacets |
| 143 |
& .AND. ii.GE.1 .AND. ii.LE.4 ) THEN |
| 144 |
C- Length of N or S Edge = x-size, E or W Edge = y-size |
| 145 |
lo = 2*(j-1) + (i+1)/2 |
| 146 |
C- Corresponding Edge length |
| 147 |
ll = 2*(jj-1)+(ii+1)/2 |
| 148 |
IF ( facet_dims(lo).EQ.0 .AND. facet_dims(ll).GT.0 ) THEN |
| 149 |
addDims = addDims + 1 |
| 150 |
facet_dims(lo) = facet_dims(ll) |
| 151 |
IF ( prtFlag ) THEN |
| 152 |
WRITE(msgBuf,'(A,I3,3A,2(I4,A),I3,3A,I8)') |
| 153 |
& ' facet',j,'.',edge(i), ' set dim', lo, ' = dim', ll, |
| 154 |
& ' from',jj,'.',edge(ii),' :',facet_dims(ll) |
| 155 |
CALL PRINT_MESSAGE(msgBuf,W2_oUnit,SQUEEZE_RIGHT,myThid) |
| 156 |
ENDIF |
| 157 |
ENDIF |
| 158 |
ENDIF |
| 159 |
ENDDO |
| 160 |
ENDDO |
| 161 |
setDims = setDims + addDims |
| 162 |
ENDDO |
| 163 |
|
| 164 |
IF ( setDims.NE.nFacets*2 ) THEN |
| 165 |
WRITE(msgBuf,'(A,I3,A)') ' W2_SET_CS6_FACETS:', |
| 166 |
& nFacets*2-setDims, ' facet-dims left Unset' |
| 167 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit, SQUEEZE_RIGHT, myThid ) |
| 168 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 169 |
DO j=1,nFacets |
| 170 |
IF ( facet_dims(2*j-1)*facet_dims(2*j).EQ.0 ) THEN |
| 171 |
WRITE(W2_oUnit,'(A,I3,2(A,I8))') |
| 172 |
& ' facets #', j, ' , x-size=', facet_dims(2*j-1), |
| 173 |
& ' , y-size=', facet_dims(2*j) |
| 174 |
CALL PRINT_MESSAGE( msgBuf, W2_oUnit,SQUEEZE_RIGHT,myThid ) |
| 175 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 176 |
ENDIF |
| 177 |
ENDDO |
| 178 |
STOP 'ABNORMAL END: S/R W2_SET_CS6_FACETS (unset facet dims)' |
| 179 |
ENDIF |
| 180 |
|
| 181 |
RETURN |
| 182 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph