| 1 |
jmc |
1.2 |
C $Header: /u/gcmpack/MITgcm/pkg/exch2/exch2_ad_get_rx1.template,v 1.1 2009/05/30 21:18:59 jmc Exp $ |
| 2 |
jmc |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "CPP_EEOPTIONS.h" |
| 5 |
|
|
#include "W2_OPTIONS.h" |
| 6 |
|
|
|
| 7 |
|
|
CBOP 0 |
| 8 |
|
|
C !ROUTINE: EXCH2_AD_GET_RX1 |
| 9 |
|
|
|
| 10 |
|
|
C !INTERFACE: |
| 11 |
|
|
SUBROUTINE EXCH2_AD_GET_RX1( |
| 12 |
|
|
I tIlo, tIhi, tiStride, |
| 13 |
|
|
I tJlo, tJhi, tjStride, |
| 14 |
|
|
I tKlo, tKhi, tkStride, |
| 15 |
|
|
I thisTile, nN, bi, bj, |
| 16 |
|
|
I e2BufrRecSize, sizeNb, sizeBi, sizeBj, |
| 17 |
|
|
O iBufr, |
| 18 |
|
|
O e2Bufr1_RX, |
| 19 |
|
|
U array, |
| 20 |
|
|
I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
| 21 |
|
|
U e2_msgHandles, |
| 22 |
|
|
I commSetting, myThid ) |
| 23 |
|
|
|
| 24 |
|
|
C !DESCRIPTION: |
| 25 |
|
|
C--------------- |
| 26 |
|
|
C AD: IMPORTANT: All comments (exept AD:) are taken from the Forward S/R |
| 27 |
|
|
C AD: and need to be interpreted in the reverse sense: put <-> get, |
| 28 |
|
|
C AD: send <-> recv, source <-> target ... |
| 29 |
|
|
C--------------- |
| 30 |
|
|
C Scalar field (1 component) Exchange: |
| 31 |
|
|
C Get from buffer exchanged data to fill in this tile-egde overlap region. |
| 32 |
|
|
|
| 33 |
|
|
C !USES: |
| 34 |
|
|
IMPLICIT NONE |
| 35 |
|
|
|
| 36 |
|
|
#include "SIZE.h" |
| 37 |
|
|
#include "EEPARAMS.h" |
| 38 |
|
|
#include "W2_EXCH2_SIZE.h" |
| 39 |
|
|
#include "W2_EXCH2_TOPOLOGY.h" |
| 40 |
|
|
|
| 41 |
|
|
C !INPUT/OUTPUT PARAMETERS: |
| 42 |
|
|
C === Routine arguments === |
| 43 |
|
|
C tIlo,tIhi :: index range in I that will be filled in target "array" |
| 44 |
|
|
C tIstride :: index step in I that will be filled in target "array" |
| 45 |
|
|
C tJlo,tJhi :: index range in J that will be filled in target "array" |
| 46 |
|
|
C tJstride :: index step in J that will be filled in target "array" |
| 47 |
|
|
C tKlo,tKhi :: index range in K that will be filled in target "array" |
| 48 |
|
|
C tKstride :: index step in K that will be filled in target "array" |
| 49 |
|
|
C thisTile :: receiveing tile Id. number |
| 50 |
|
|
C nN :: Neighbour entry that we are processing |
| 51 |
|
|
C bi,bj :: Indices of the receiving tile within this process |
| 52 |
|
|
C :: (used to select buffer slots that are allowed). |
| 53 |
|
|
C e2BufrRecSize :: Number of elements in each entry of e2Bufr1_RX |
| 54 |
|
|
C sizeNb :: Second dimension of e2Bufr1_RX |
| 55 |
|
|
C sizeBi :: Third dimension of e2Bufr1_RX |
| 56 |
|
|
C sizeBj :: Fourth dimension of e2Bufr1_RX |
| 57 |
|
|
C iBufr :: number of buffer elements to transfert |
| 58 |
|
|
C e2Bufr1_RX :: Data transport buffer array. This array is used in one of |
| 59 |
|
|
C :: two ways. For PUT communication the entry in the buffer |
| 60 |
|
|
C :: associated with the source for this receive (determined |
| 61 |
|
|
C :: from the opposing_send index) is read. |
| 62 |
|
|
C :: For MSG communication the entry in the buffer associated |
| 63 |
|
|
C :: with this neighbor of this tile is used as a receive |
| 64 |
|
|
C :: location for loading a linear stream of bytes. |
| 65 |
|
|
C array :: Target array that this receive writes to. |
| 66 |
|
|
C i1Lo, i1Hi :: I coordinate bounds of target array |
| 67 |
|
|
C j1Lo, j1Hi :: J coordinate bounds of target array |
| 68 |
|
|
C k1Lo, k1Hi :: K coordinate bounds of target array |
| 69 |
|
|
C e2_msgHandles :: Synchronization and coordination data structure used to |
| 70 |
|
|
C :: coordinate access to e2Bufr1_RX or to regulate message |
| 71 |
|
|
C :: buffering. In PUT communication sender will increment |
| 72 |
|
|
C :: handle entry once data is ready in buffer. Receiver will |
| 73 |
|
|
C :: decrement handle once data is consumed from buffer. |
| 74 |
|
|
C :: For MPI MSG communication MPI_Wait uses hanlde to check |
| 75 |
|
|
C :: Isend has cleared. This is done in routine after receives. |
| 76 |
|
|
C commSetting :: Mode of communication used to exchange with this neighbor |
| 77 |
|
|
C myThid :: my Thread Id. number |
| 78 |
|
|
|
| 79 |
|
|
INTEGER tILo, tIHi, tiStride |
| 80 |
|
|
INTEGER tJLo, tJHi, tjStride |
| 81 |
|
|
INTEGER tKLo, tKHi, tkStride |
| 82 |
|
|
INTEGER i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi |
| 83 |
|
|
INTEGER thisTile, nN, bi, bj |
| 84 |
|
|
INTEGER e2BufrRecSize, sizeNb, sizeBi, sizeBj |
| 85 |
|
|
INTEGER iBufr |
| 86 |
|
|
_RX e2Bufr1_RX( e2BufrRecSize, sizeNb, sizeBi, sizeBj, 2 ) |
| 87 |
|
|
_RX array(i1Lo:i1Hi,j1Lo:j1Hi,k1Lo:k1Hi) |
| 88 |
|
|
INTEGER e2_msgHandles( 2, sizeNb, sizeBi, sizeBj ) |
| 89 |
|
|
CHARACTER commSetting |
| 90 |
|
|
INTEGER myThid |
| 91 |
|
|
CEOP |
| 92 |
|
|
|
| 93 |
|
|
C !LOCAL VARIABLES: |
| 94 |
|
|
C == Local variables == |
| 95 |
|
|
C itl,jtl,ktl :: Loop counters (this tile) |
| 96 |
|
|
C soT :: Source tile Id number |
| 97 |
|
|
C oNb :: Opposing send record number |
| 98 |
|
|
C sNb :: buffer (source) Neibour index to get data from |
| 99 |
|
|
C sBi :: buffer (source) Tile index (for this Proc) to get data from |
| 100 |
|
|
C sBj :: buffer (source) Tile index (for this Proc) to get data from |
| 101 |
|
|
C sLv :: buffer (source) level index to get data from |
| 102 |
|
|
C i,j :: Loop counters |
| 103 |
|
|
INTEGER itl, jtl, ktl |
| 104 |
|
|
INTEGER soT |
| 105 |
|
|
INTEGER oNb |
| 106 |
|
|
INTEGER sNb, sBi, sBj, sLv |
| 107 |
|
|
INTEGER i,j |
| 108 |
|
|
c CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 109 |
|
|
|
| 110 |
|
|
soT = exch2_neighbourId( nN, thisTile ) |
| 111 |
|
|
oNb = exch2_opposingSend(nN, thisTile ) |
| 112 |
|
|
|
| 113 |
|
|
C Handle receive end data transport according to communication mechanism |
| 114 |
|
|
C between source and target tile |
| 115 |
|
|
IF ( commSetting .EQ. 'P' ) THEN |
| 116 |
|
|
C AD: Need to check that buffer synchronisation token is decremented |
| 117 |
|
|
C AD: before filling buffer. |
| 118 |
|
|
|
| 119 |
|
|
C find the tile indices (local to this Proc) corresponding to |
| 120 |
|
|
C this source tile Id "soT" |
| 121 |
|
|
sLv = 1 |
| 122 |
|
|
sNb = oNb |
| 123 |
|
|
DO j=1,sizeBj |
| 124 |
|
|
DO i=1,sizeBi |
| 125 |
jmc |
1.2 |
IF ( W2_myTileList(i,j).EQ.soT ) THEN |
| 126 |
jmc |
1.1 |
sBi = i |
| 127 |
|
|
sBj = j |
| 128 |
|
|
ENDIF |
| 129 |
|
|
ENDDO |
| 130 |
|
|
ENDDO |
| 131 |
|
|
#ifdef ALLOW_USE_MPI |
| 132 |
|
|
ELSEIF ( commSetting .EQ. 'M' ) THEN |
| 133 |
|
|
sLv = 2 |
| 134 |
|
|
sBi = bi |
| 135 |
|
|
sBj = bj |
| 136 |
|
|
sNb = nN |
| 137 |
|
|
#endif /* ALLOW_USE_MPI */ |
| 138 |
|
|
ELSE |
| 139 |
|
|
STOP 'EXCH2_AD_GET_RX1:: commSetting VALUE IS INVALID' |
| 140 |
|
|
ENDIF |
| 141 |
|
|
|
| 142 |
|
|
iBufr = 0 |
| 143 |
|
|
DO ktl=tKlo,tKhi,tKStride |
| 144 |
|
|
DO jtl=tJLo, tJHi, tjStride |
| 145 |
|
|
DO itl=tILo, tIHi, tiStride |
| 146 |
|
|
C Read from e2Bufr1_RX(iBufr,sNb,sBi,sBj,sLv) |
| 147 |
|
|
iBufr = iBufr+1 |
| 148 |
|
|
e2Bufr1_RX(iBufr,sNb,sBi,sBj,sLv) = array(itl,jtl,ktl) |
| 149 |
|
|
array(itl,jtl,ktl) = 0. |
| 150 |
|
|
ENDDO |
| 151 |
|
|
ENDDO |
| 152 |
|
|
ENDDO |
| 153 |
|
|
|
| 154 |
|
|
RETURN |
| 155 |
|
|
END |
| 156 |
|
|
|
| 157 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 158 |
|
|
|
| 159 |
|
|
CEH3 ;;; Local Variables: *** |
| 160 |
|
|
CEH3 ;;; mode:fortran *** |
| 161 |
|
|
CEH3 ;;; End: *** |
Parent Directory
| 
Revision Log
| 
Revision Graph