| 1 |
afe |
1.1 |
C $Header: /u/u0/gcmpack/MITgcm_contrib/high_res_cube/code-mods/w2_eeboot.F,v 1.2 2003/11/22 01:16:18 dimitri Exp $ |
| 2 |
|
|
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "CPP_EEOPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
CBOP |
| 7 |
|
|
C !ROUTINE: W2_EEBOOT |
| 8 |
|
|
|
| 9 |
|
|
C !INTERFACE: |
| 10 |
|
|
SUBROUTINE W2_EEBOOT |
| 11 |
|
|
IMPLICIT NONE |
| 12 |
|
|
|
| 13 |
|
|
C !DESCRIPTION: |
| 14 |
|
|
C *==========================================================* |
| 15 |
|
|
C | SUBROUTINE W2_EEBOOT |
| 16 |
|
|
C | o Setup execution "environment" for WRAPPER2 |
| 17 |
|
|
C *==========================================================* |
| 18 |
|
|
C | WRAPPER2 provides complex topology support. In this routine |
| 19 |
|
|
C | we setup the base topology for the default halo operations. |
| 20 |
|
|
C *==========================================================* |
| 21 |
|
|
#include "SIZE.h" |
| 22 |
|
|
#include "EEPARAMS.h" |
| 23 |
|
|
#include "EESUPPORT.h" |
| 24 |
|
|
#include "W2_EXCH2_TOPOLOGY.h" |
| 25 |
|
|
#include "W2_EXCH2_PARAMS.h" |
| 26 |
|
|
|
| 27 |
|
|
C == Local variables == |
| 28 |
|
|
INTEGER nt_check, nt_perproc |
| 29 |
|
|
INTEGER thisPtileLo, thisPtileHi |
| 30 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuffer |
| 31 |
|
|
CHARACTER commFlag |
| 32 |
|
|
INTEGER myTileId |
| 33 |
|
|
INTEGER myThid, I, J, II |
| 34 |
|
|
INTEGER iErr, tNx, tNy |
| 35 |
|
|
INTEGER pRank |
| 36 |
|
|
|
| 37 |
|
|
C Set dummy myThid value (we aren't multi-threaded here) |
| 38 |
|
|
myThid = 1 |
| 39 |
|
|
|
| 40 |
|
|
C Define toplogy for every tile |
| 41 |
|
|
CALL W2_E2SETUP |
| 42 |
|
|
|
| 43 |
|
|
C Decide which tiles this process handles - do this inline for now, but |
| 44 |
|
|
C should go in subroutine. |
| 45 |
|
|
C Total number of tiles should be divisible by nPx and nSx |
| 46 |
|
|
C ( there is no two dimensional decomposition for W2 ) and |
| 47 |
|
|
C number of tiles per process should be nSx |
| 48 |
|
|
nt_check = NTILES/(nPx*nSx) |
| 49 |
|
|
nt_check = nt_check*nPx*nSx |
| 50 |
|
|
IF ( nt_check .NE. NTILES ) THEN |
| 51 |
|
|
STOP |
| 52 |
|
|
&'ERROR: W2_EEBOOT number of tiles is not divisible by nPx*nSx' |
| 53 |
|
|
ENDIF |
| 54 |
|
|
nt_perproc = NTILES/nPx |
| 55 |
|
|
IF ( nt_perproc .NE. nSx ) THEN |
| 56 |
|
|
STOP |
| 57 |
|
|
&'ERROR: W2_EEBOOT tiles per process is not equal to nSx' |
| 58 |
|
|
ENDIF |
| 59 |
|
|
C Number of tiles I handle is nSx, range of tile numbers I handle |
| 60 |
|
|
C depends on my rank. |
| 61 |
|
|
#ifdef ALLOW_USE_MPI |
| 62 |
|
|
thisPtileLo = myPid*nt_perproc+1 |
| 63 |
|
|
thisPtileHi = (myPid+1)*nt_perproc |
| 64 |
|
|
#else |
| 65 |
|
|
thisPtileLo = 1 |
| 66 |
|
|
thisPtileHi = nt_perproc |
| 67 |
|
|
#endif |
| 68 |
|
|
DO I=thisPtileLo, thisPtileHi |
| 69 |
|
|
W2_myTileList(I-thisPtileLo+1)=I |
| 70 |
|
|
ENDDO |
| 71 |
|
|
iErr = 0 |
| 72 |
|
|
|
| 73 |
|
|
DO I=1,nSx |
| 74 |
|
|
C Check tile sizes |
| 75 |
|
|
myTileId = W2_myTileList(I) |
| 76 |
|
|
tnx = exch2_tnx(myTileId) |
| 77 |
|
|
tny = exch2_tny(myTileId) |
| 78 |
|
|
IF ( tnx .NE. sNx ) THEN |
| 79 |
|
|
WRITE(msgBuffer,'(A,I4,A,I4)') |
| 80 |
|
|
& 'ERROR: S/R W2_EEBOOT Topology tnx=', |
| 81 |
|
|
& tnx, |
| 82 |
|
|
& ' is not equal to subgrid size sNx=', |
| 83 |
|
|
& sNx |
| 84 |
|
|
CALL PRINT_MESSAGE(msgBuffer, |
| 85 |
|
|
& errorMessageUnit, SQUEEZE_RIGHT, 1 ) |
| 86 |
|
|
iErr = iErr+1 |
| 87 |
|
|
ENDIF |
| 88 |
|
|
IF ( tny .NE. sNy ) THEN |
| 89 |
|
|
WRITE(msgBuffer,'(A,I4,A,I4,A,I4)') |
| 90 |
|
|
& 'ERROR: S/R W2_EEBOOT Topology for tile ',myTileId, |
| 91 |
|
|
& 'tny=', |
| 92 |
|
|
& tny, |
| 93 |
|
|
& ' is not equal to subgrid size sNy=', |
| 94 |
|
|
& sNy |
| 95 |
|
|
CALL PRINT_MESSAGE(msgBuffer, |
| 96 |
|
|
& errorMessageUnit, SQUEEZE_RIGHT, 1 ) |
| 97 |
|
|
iErr = iErr+1 |
| 98 |
|
|
ENDIF |
| 99 |
|
|
ENDDO |
| 100 |
|
|
IF ( iErr .NE. 0 ) THEN |
| 101 |
|
|
STOP 'ABNORMAL END: W2_EEBOOT' |
| 102 |
|
|
ENDIF |
| 103 |
|
|
|
| 104 |
|
|
C Set which rank processes "own" which tiles. This should probably |
| 105 |
|
|
C be queried as part of some hand-shaking but for now we use the |
| 106 |
|
|
C functiional relationship that was used above. |
| 107 |
|
|
DO I=1,nTiles |
| 108 |
|
|
pRank = (I-1)/nt_perproc |
| 109 |
|
|
exch2_tProc(I) = pRank+1 |
| 110 |
|
|
ENDDO |
| 111 |
|
|
|
| 112 |
|
|
WRITE(msgBuffer,'(A)') '===== W2 TILE TOPLOGY =====' |
| 113 |
|
|
CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
| 114 |
|
|
& SQUEEZE_BOTH,myThid) |
| 115 |
|
|
DO I=1,nSx |
| 116 |
|
|
myTileId = W2_myTileList(I) |
| 117 |
|
|
WRITE(msgBuffer,'(A,I4)') ' TILE: ', myTileId |
| 118 |
|
|
CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
| 119 |
|
|
& SQUEEZE_RIGHT,myThid) |
| 120 |
|
|
DO J=1,exch2_nNeighbours(myTileId) |
| 121 |
|
|
commFlag = 'M' |
| 122 |
|
|
DO II=1,nSx |
| 123 |
|
|
IF ( W2_myTileList(II) .EQ. exch2_neighbourId(J,myTileId) ) |
| 124 |
|
|
& commFlag = 'P' |
| 125 |
|
|
ENDDO |
| 126 |
|
|
IF ( commFlag .EQ. 'M' ) THEN |
| 127 |
|
|
WRITE(msgBuffer,'(A,I4,A,I4,A,A,I4,A)') |
| 128 |
|
|
& ' NEIGHBOUR ',J,' = TILE ', |
| 129 |
|
|
& exch2_neighbourId(J,myTileId), ' Comm = MSG', |
| 130 |
|
|
& ' ( PROC = ',exch2_tProc(exch2_neighbourId(J,myTileId)),')' |
| 131 |
|
|
CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
| 132 |
|
|
& SQUEEZE_RIGHT,myThid) |
| 133 |
|
|
ENDIF |
| 134 |
|
|
IF ( commFlag .EQ. 'P' ) THEN |
| 135 |
|
|
WRITE(msgBuffer,'(A,I4,A,I4,A,A,I4,A)') |
| 136 |
|
|
& ' NEIGHBOUR ',J,' = TILE ', |
| 137 |
|
|
& exch2_neighbourId(J,myTileId), ' Comm = PUT', |
| 138 |
|
|
& ' ( PROC = ',exch2_tProc(exch2_neighbourId(J,myTileId)),')' |
| 139 |
|
|
CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
| 140 |
|
|
& SQUEEZE_RIGHT,myThid) |
| 141 |
|
|
ENDIF |
| 142 |
|
|
W2_myCommFlag(J,I) = commFlag |
| 143 |
|
|
ENDDO |
| 144 |
|
|
ENDDO |
| 145 |
|
|
C |
| 146 |
|
|
C Print out the topology communication schedule |
| 147 |
|
|
CALL W2_PRINT_COMM_SEQUENCE |
| 148 |
|
|
C |
| 149 |
|
|
RETURN |
| 150 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph