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C $Header: /u/u0/gcmpack/MITgcm_contrib/high_res_cube/code-mods/exch2_xyz_rl.F,v 1.2 2003/11/22 01:16:18 dimitri Exp $ |
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C $Name: $ |
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#include "CPP_EEOPTIONS.h" |
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CBOP |
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C !ROUTINE: EXCH_XYZ_RX |
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C !INTERFACE: |
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SUBROUTINE EXCH2_XYZ_RX( |
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U phi, |
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I myThid ) |
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IMPLICIT NONE |
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE EXCH_XYZ_RX |
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C | o Handle exchanges for _RX, three-dim scalar arrays. |
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C *==========================================================* |
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C | Invoke appropriate exchange routine depending on type |
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C | of grid (cube or globally indexed) to be operated on. |
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C *==========================================================* |
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C !USES: |
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C === Global data === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "EESUPPORT.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C phi :: Array with overlap regions are to be exchanged |
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C myThid :: My thread id. |
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_RX phi(1-OLx:sNx+OLx,1-OLy:sNy+OLy,1:Nr,nSx,nSy) |
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INTEGER myThid |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C OL[wens] :: Overlap extents in west, east, north, south. |
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C exchWidth[XY] :: Extent of regions that will be exchanged. |
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INTEGER OLw, OLe, OLn, OLs, exchWidthX, exchWidthY, myNz |
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INTEGER bi, bj, myTile, i, j, k |
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CEOP |
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OLw = OLx |
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OLe = OLx |
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OLn = OLy |
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OLs = OLy |
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exchWidthX = OLx |
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exchWidthY = OLy |
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myNz = Nr |
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C ** NOTE ** The exchange routine we use here does not |
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C require the preceeding and following barriers. |
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C However, the slow, simple exchange interface |
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C that is calling it here is meant to ensure |
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C that threads are synchronised before exchanges |
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C begine. |
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IF (useCubedSphereExchange) THEN |
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CALL EXCH2_RX1_CUBE( phi, 'T ', |
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I OLw, OLe, OLs, OLn, myNz, |
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I exchWidthX, exchWidthY, |
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I FORWARD_SIMULATION, EXCH_UPDATE_CORNERS, myThid ) |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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myTile = W2_myTileList(bi) |
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C South-east corner |
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IF ( exch2_isEedge(myTile) .EQ. 1 .AND. |
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& exch2_isSedge(myTile) .EQ. 1 ) THEN |
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DO j=1-OLy,0 |
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DO i=sNx+1,sNx+OLx |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C North-east corner |
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IF ( exch2_isEedge(myTile) .EQ. 1 .AND. |
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& exch2_isNedge(myTile) .EQ. 1 ) THEN |
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DO j=sNy+1,sNy+OLy |
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DO i=sNx+1,sNx+OLx |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C South-west corner |
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IF ( exch2_isWedge(myTile) .EQ. 1 .AND. |
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& exch2_isSedge(myTile) .EQ. 1 ) THEN |
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DO j=1-OLy,0 |
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DO i=1-OLx,0 |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C North-west corner |
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IF ( exch2_isWedge(myTile) .EQ. 1 .AND. |
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& exch2_isNedge(myTile) .EQ. 1 ) THEN |
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DO j=sNy+1,sNy+OLy |
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DO i=1-OLx,0 |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDDO |
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CALL EXCH2_RX1_CUBE( phi, 'T ', |
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I OLw, OLe, OLs, OLn, myNz, |
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I exchWidthX, exchWidthY, |
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I FORWARD_SIMULATION, EXCH_UPDATE_CORNERS, myThid ) |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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myTile = W2_myTileList(bi) |
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C South-east corner |
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IF ( exch2_isEedge(myTile) .EQ. 1 .AND. |
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& exch2_isSedge(myTile) .EQ. 1 ) THEN |
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DO j=1-OLy,0 |
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DO i=sNx+1,sNx+OLx |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C North-east corner |
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IF ( exch2_isEedge(myTile) .EQ. 1 .AND. |
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& exch2_isNedge(myTile) .EQ. 1 ) THEN |
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DO j=sNy+1,sNy+OLy |
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DO i=sNx+1,sNx+OLx |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C South-west corner |
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IF ( exch2_isWedge(myTile) .EQ. 1 .AND. |
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& exch2_isSedge(myTile) .EQ. 1 ) THEN |
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DO j=1-OLy,0 |
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DO i=1-OLx,0 |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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C North-west corner |
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IF ( exch2_isWedge(myTile) .EQ. 1 .AND. |
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& exch2_isNedge(myTile) .EQ. 1 ) THEN |
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DO j=sNy+1,sNy+OLy |
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DO i=1-OLx,0 |
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DO k=1,Nr |
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phi(i,j,k,bi,bj)=0. |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDDO |
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ELSE |
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CALL EXCH_RX( phi, |
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I OLw, OLe, OLs, OLn, myNz, |
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I exchWidthX, exchWidthY, |
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I FORWARD_SIMULATION, EXCH_UPDATE_CORNERS, myThid ) |
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ENDIF |
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RETURN |
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END |
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