/[MITgcm]/MITgcm/pkg/mdsio/mdsio_write_field.F
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revision 1.9 by jmc, Sat May 16 13:37:38 2009 UTC revision 1.11 by jmc, Mon Jun 8 03:32:33 2009 UTC
# Line 76  C Global variables / common blocks Line 76  C Global variables / common blocks
76  #include "W2_EXCH2_PARAMS.h"  #include "W2_EXCH2_PARAMS.h"
77  #endif /* ALLOW_EXCH2 */  #endif /* ALLOW_EXCH2 */
78  #include "EEBUFF_SCPU.h"  #include "EEBUFF_SCPU.h"
79    #include "MDSIO_BUFF_3D.h"
80    
81  C !INPUT PARAMETERS:  C !INPUT PARAMETERS:
82        CHARACTER*(*) fName        CHARACTER*(*) fName
# Line 102  C !FUNCTIONS Line 103  C !FUNCTIONS
103        EXTERNAL MASTER_CPU_IO        EXTERNAL MASTER_CPU_IO
104    
105  C !LOCAL VARIABLES:  C !LOCAL VARIABLES:
106    C     bBij  :: base shift in Buffer index for tile bi,bj
107        CHARACTER*(MAX_LEN_FNAM) dataFName,metaFName,pfName        CHARACTER*(MAX_LEN_FNAM) dataFName,metaFName,pfName
108        CHARACTER*(MAX_LEN_MBUF) msgBuf        CHARACTER*(MAX_LEN_MBUF) msgBuf
109        LOGICAL fileIsOpen        LOGICAL fileIsOpen
# Line 111  C !LOCAL VARIABLES: Line 113  C !LOCAL VARIABLES:
113        LOGICAL zeroBuff        LOGICAL zeroBuff
114        INTEGER xSize, ySize        INTEGER xSize, ySize
115        INTEGER irecord        INTEGER irecord
116        INTEGER iG,jG,bi,bj,i,j,k,nNz        INTEGER iG,jG,bi,bj
117          INTEGER i1,i2,i,j,k,nNz
118        INTEGER irec,dUnit,IL,pIL        INTEGER irec,dUnit,IL,pIL
119        INTEGER dimList(3,3), nDims, map2gl(2)        INTEGER dimList(3,3), nDims, map2gl(2)
120        INTEGER length_of_rec        INTEGER length_of_rec
121        Real*4 r4seg(sNx)        INTEGER bBij
       Real*8 r8seg(sNx)  
122        INTEGER tNx, tNy, global_nTx        INTEGER tNx, tNy, global_nTx
123        INTEGER tBx, tBy, iGjLoc, jGjLoc        INTEGER tBx, tBy, iGjLoc, jGjLoc
124  #ifdef ALLOW_EXCH2  #ifdef ALLOW_EXCH2
# Line 151  C Assume nothing Line 153  C Assume nothing
153  C Only do I/O if I am the master thread (and mpi process 0 IF useSingleCpuIO):  C Only do I/O if I am the master thread (and mpi process 0 IF useSingleCpuIO):
154        iAmDoingIO = MASTER_CPU_IO(myThid)        iAmDoingIO = MASTER_CPU_IO(myThid)
155    
 C Only do I/O if I am the master thread  
       IF ( iAmDoingIO ) THEN  
   
156  C Record number must be >= 1  C Record number must be >= 1
157          IF (irecord .LT. 1) THEN        IF (irecord .LT. 1) THEN
158           WRITE(msgBuf,'(A,I9.8)')          WRITE(msgBuf,'(A,I9.8)')
159       &     ' MDS_WRITE_FIELD: argument irecord = ',irecord       &    ' MDS_WRITE_FIELD: argument irecord = ',irecord
160           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,          CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
161       &                       SQUEEZE_RIGHT , myThid)       &                      SQUEEZE_RIGHT , myThid)
162           WRITE(msgBuf,'(A)')           WRITE(msgBuf,'(A)')
163       &     ' MDS_WRITE_FIELD: invalid value for irecord'       &    ' MDS_WRITE_FIELD: invalid value for irecord'
164           CALL PRINT_ERROR( msgBuf, myThid )          CALL PRINT_ERROR( msgBuf, myThid )
165           STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'          CALL ALL_PROC_DIE( myThid )
166          ENDIF          STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
167          ENDIF
168  C check for valid sub-set of levels:  C check for valid sub-set of levels:
169          IF ( kLo.LT.1 .OR. kHi.GT.kSize ) THEN        IF ( kLo.LT.1 .OR. kHi.GT.kSize ) THEN
170           WRITE(msgBuf,'(3(A,I6))')          WRITE(msgBuf,'(3(A,I6))')
171       &     ' MDS_WRITE_FIELD: arguments kSize=', kSize,       &    ' MDS_WRITE_FIELD: arguments kSize=', kSize,
172       &     ' , kLo=', kLo, ' , kHi=', kHi       &    ' , kLo=', kLo, ' , kHi=', kHi
173           CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,          CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
174       &                       SQUEEZE_RIGHT , myThid)       &                      SQUEEZE_RIGHT , myThid)
175           WRITE(msgBuf,'(A)')          WRITE(msgBuf,'(A)')
176       &     ' MDS_WRITE_FIELD: invalid sub-set of levels'       &    ' MDS_WRITE_FIELD: invalid sub-set of levels'
177           CALL PRINT_ERROR( msgBuf, myThid )          CALL PRINT_ERROR( msgBuf, myThid )
178           STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'          CALL ALL_PROC_DIE( myThid )
179          ENDIF          STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
180          ENDIF
181    C check for 3-D Buffer size:
182          IF ( .NOT.useSingleCpuIO .AND. nNz.GT.size3dBuf ) THEN
183            WRITE(msgBuf,'(3(A,I6))')
184         &    ' MDS_WRITE_FIELD: Nb Lev to write =', nNz,
185         &    ' >', size3dBuf, ' = buffer 3rd Dim'
186            CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
187         &                      SQUEEZE_RIGHT , myThid)
188            WRITE(msgBuf,'(A)')
189         &    ' MDS_WRITE_FIELD: buffer 3rd Dim. too small'
190            CALL PRINT_ERROR( msgBuf, myThid )
191            WRITE(msgBuf,'(A)')
192         &    ' increase "size3dBuf" in "MDSIO_BUFF_3D.h" and recompile'
193            CALL PRINT_MESSAGE( msgBuf, errorMessageUnit,
194         &                      SQUEEZE_RIGHT , myThid)
195            CALL ALL_PROC_DIE( myThid )
196            STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
197          ENDIF
198    
199    C Only do I/O if I am the master thread
200          IF ( iAmDoingIO ) THEN
201    
202  C Assign special directory  C Assign special directory
203          IF ( useCurrentDir .OR. pIL.EQ.0 ) THEN          IF ( useCurrentDir .OR. pIL.EQ.0 ) THEN
# Line 199  C globalFile is too slow, then try using Line 220  C globalFile is too slow, then try using
220  C Master thread of process 0, only, opens a global file  C Master thread of process 0, only, opens a global file
221         IF ( iAmDoingIO ) THEN         IF ( iAmDoingIO ) THEN
222           WRITE(dataFName,'(2a)') fName(1:IL),'.data'           WRITE(dataFName,'(2a)') fName(1:IL),'.data'
223           length_of_rec=MDS_RECLEN(filePrec,xSize*ySize,myThid)           length_of_rec = MDS_RECLEN( filePrec, xSize*ySize, myThid )
224           IF (irecord .EQ. 1) THEN           IF (irecord .EQ. 1) THEN
225            OPEN( dUnit, file=dataFName, status=_NEW_STATUS,            OPEN( dUnit, file=dataFName, status=_NEW_STATUS,
226       &        access='direct', recl=length_of_rec )       &        access='direct', recl=length_of_rec )
# Line 209  C Master thread of process 0, only, open Line 230  C Master thread of process 0, only, open
230           ENDIF           ENDIF
231         ENDIF         ENDIF
232    
233  C Gather array and WRITE it to file, one vertical level at a time  C Gather array and write it to file, one vertical level at a time
234         DO k=kLo,kHi         DO k=kLo,kHi
235          zeroBuff = k.EQ.kLo          zeroBuff = k.EQ.kLo
236  C-      copy from arr(level=k) to 2-D "local":  C-      copy from arr(level=k) to 2-D "local":
237          IF ( filePrec.EQ.precFloat32 ) THEN          IF ( filePrec.EQ.precFloat32 ) THEN
238            IF ( arrType.EQ.'RS' ) THEN            IF ( arrType.EQ.'RS' ) THEN
239              CALL MDS_PASS_R4toRS( sharedLocBuf_r4,              CALL MDS_PASS_R4toRS( sharedLocBuf_r4, arr,
240       &                            arr, k, kSize, .FALSE., myThid )       I                       1, k, kSize, 0, 0, .FALSE., myThid )
241            ELSEIF ( arrType.EQ.'RL' ) THEN            ELSEIF ( arrType.EQ.'RL' ) THEN
242              CALL MDS_PASS_R4toRL( sharedLocBuf_r4,              CALL MDS_PASS_R4toRL( sharedLocBuf_r4, arr,
243       &                            arr, k, kSize, .FALSE., myThid )       I                       1, k, kSize, 0, 0, .FALSE., myThid )
244            ELSE            ELSE
245              WRITE(msgBuf,'(A)')              WRITE(msgBuf,'(A)')
246       &         ' MDS_WRITE_FIELD: illegal value for arrType'       &         ' MDS_WRITE_FIELD: illegal value for arrType'
247              CALL PRINT_ERROR( msgBuf, myThid )              CALL PRINT_ERROR( msgBuf, myThid )
248                CALL ALL_PROC_DIE( myThid )
249              STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'              STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
250            ENDIF            ENDIF
251    C Wait for all threads to finish filling shared buffer
252              CALL BAR2( myThid )
253            CALL GATHER_2D_R4(            CALL GATHER_2D_R4(
254       O                       xy_buffer_r4,       O                       xy_buffer_r4,
255       I                       sharedLocBuf_r4,       I                       sharedLocBuf_r4,
# Line 233  C-      copy from arr(level=k) to 2-D "l Line 257  C-      copy from arr(level=k) to 2-D "l
257       I                       useExch2ioLayOut, zeroBuff, myThid )       I                       useExch2ioLayOut, zeroBuff, myThid )
258          ELSEIF ( filePrec.EQ.precFloat64 ) THEN          ELSEIF ( filePrec.EQ.precFloat64 ) THEN
259            IF ( arrType.EQ.'RS' ) THEN            IF ( arrType.EQ.'RS' ) THEN
260              CALL MDS_PASS_R8toRS( sharedLocBuf_r8,              CALL MDS_PASS_R8toRS( sharedLocBuf_r8, arr,
261       &                            arr, k, kSize, .FALSE., myThid )       I                       1, k, kSize, 0, 0, .FALSE., myThid )
262    
263            ELSEIF ( arrType.EQ.'RL' ) THEN            ELSEIF ( arrType.EQ.'RL' ) THEN
264              CALL MDS_PASS_R8toRL( sharedLocBuf_r8,              CALL MDS_PASS_R8toRL( sharedLocBuf_r8, arr,
265       &                            arr, k, kSize, .FALSE., myThid )       I                       1, k, kSize, 0, 0, .FALSE., myThid )
266            ELSE            ELSE
267              WRITE(msgBuf,'(A)')              WRITE(msgBuf,'(A)')
268       &         ' MDS_WRITE_FIELD: illegal value for arrType'       &         ' MDS_WRITE_FIELD: illegal value for arrType'
269              CALL PRINT_ERROR( msgBuf, myThid )              CALL PRINT_ERROR( msgBuf, myThid )
270                CALL ALL_PROC_DIE( myThid )
271              STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'              STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
272            ENDIF            ENDIF
273    C Wait for all threads to finish filling shared buffer
274              CALL BAR2( myThid )
275            CALL GATHER_2D_R8(            CALL GATHER_2D_R8(
276       O                       xy_buffer_r8,       O                       xy_buffer_r8,
277       I                       sharedLocBuf_r8,       I                       sharedLocBuf_r8,
# Line 253  C-      copy from arr(level=k) to 2-D "l Line 281  C-      copy from arr(level=k) to 2-D "l
281             WRITE(msgBuf,'(A)')             WRITE(msgBuf,'(A)')
282       &       ' MDS_WRITE_FIELD: illegal value for filePrec'       &       ' MDS_WRITE_FIELD: illegal value for filePrec'
283             CALL PRINT_ERROR( msgBuf, myThid )             CALL PRINT_ERROR( msgBuf, myThid )
284               CALL ALL_PROC_DIE( myThid )
285             STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'             STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
286          ENDIF          ENDIF
287    C Make other threads wait for "gather" completion so that after this,
288    C  shared buffer can again be modified by any thread
289            CALL BAR2( myThid )
290    
291          IF ( iAmDoingIO ) THEN          IF ( iAmDoingIO ) THEN
292            irec=k+1-kLo+nNz*(irecord-1)            irec = 1 + k-kLo + (irecord-1)*nNz
293            IF (filePrec .EQ. precFloat32) THEN            IF ( filePrec.EQ.precFloat32 ) THEN
294  #ifdef _BYTESWAPIO  #ifdef _BYTESWAPIO
295             CALL MDS_BYTESWAPR4( xSize*ySize, xy_buffer_r4 )             CALL MDS_BYTESWAPR4( xSize*ySize, xy_buffer_r4 )
296  #endif  #endif
297             WRITE(dUnit,rec=irec) ( xy_buffer_r4(i),i=1,xSize*ySize )             WRITE(dUnit,rec=irec) ( xy_buffer_r4(i),i=1,xSize*ySize )
298            ELSEIF (filePrec .EQ. precFloat64) THEN            ELSE
299  #ifdef _BYTESWAPIO  #ifdef _BYTESWAPIO
300             CALL MDS_BYTESWAPR8( xSize*ySize, xy_buffer_r8 )             CALL MDS_BYTESWAPR8( xSize*ySize, xy_buffer_r8 )
301  #endif  #endif
302             WRITE(dUnit,rec=irec) ( xy_buffer_r8(i),i=1,xSize*ySize )             WRITE(dUnit,rec=irec) ( xy_buffer_r8(i),i=1,xSize*ySize )
           ELSE  
            WRITE(msgBuf,'(A)')  
      &       ' MDS_WRITE_FIELD: illegal value for filePrec'  
            CALL PRINT_ERROR( msgBuf, myThid )  
            STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'  
303            ENDIF            ENDIF
304  C-      end if iAmDoingIO  C-      end if iAmDoingIO
305          ENDIF          ENDIF
# Line 288  C---+----1----+----2----+----3----+----4 Line 315  C---+----1----+----2----+----3----+----4
315  C---  else .NOT.useSingleCpuIO  C---  else .NOT.useSingleCpuIO
316        ELSE        ELSE
317    
318    C---    Copy from arr to 3-D buffer (multi-threads):
319            IF ( filePrec.EQ.precFloat32 ) THEN
320              IF ( arrType.EQ.'RS' ) THEN
321                CALL MDS_PASS_R4toRS( shared3dBuf_r4, arr,
322         I                    nNz, kLo, kSize, 0,0, .FALSE., myThid )
323              ELSEIF ( arrType.EQ.'RL' ) THEN
324                CALL MDS_PASS_R4toRL( shared3dBuf_r4, arr,
325         I                    nNz, kLo, kSize, 0,0, .FALSE., myThid )
326              ELSE
327                WRITE(msgBuf,'(A)')
328         &         ' MDS_WRITE_FIELD: illegal value for arrType'
329                CALL PRINT_ERROR( msgBuf, myThid )
330                CALL ALL_PROC_DIE( myThid )
331                STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
332              ENDIF
333            ELSEIF ( filePrec.EQ.precFloat64 ) THEN
334              IF ( arrType.EQ.'RS' ) THEN
335                CALL MDS_PASS_R8toRS( shared3dBuf_r8, arr,
336         I                    nNz, kLo, kSize, 0,0, .FALSE., myThid )
337              ELSEIF ( arrType.EQ.'RL' ) THEN
338                CALL MDS_PASS_R8toRL( shared3dBuf_r8, arr,
339         I                    nNz, kLo, kSize, 0,0, .FALSE., myThid )
340              ELSE
341                WRITE(msgBuf,'(A)')
342         &         ' MDS_WRITE_FIELD: illegal value for arrType'
343                CALL PRINT_ERROR( msgBuf, myThid )
344                CALL ALL_PROC_DIE( myThid )
345                STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
346              ENDIF
347            ELSE
348              WRITE(msgBuf,'(A)')
349         &         ' MDS_WRITE_FIELD: illegal value for filePrec'
350              CALL PRINT_ERROR( msgBuf, myThid )
351              CALL ALL_PROC_DIE( myThid )
352              STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'
353            ENDIF
354    
355    C Wait for all threads to finish filling shared buffer
356           CALL BAR2( myThid )
357    
358  C Only do I/O if I am the master thread  C Only do I/O if I am the master thread
359         IF ( iAmDoingIO ) THEN         IF ( iAmDoingIO ) THEN
360    
361    #ifdef _BYTESWAPIO
362            IF ( filePrec.EQ.precFloat32 ) THEN
363              CALL MDS_BYTESWAPR4( sNx*sNy*nNz*nSx*nSy, shared3dBuf_r4 )
364            ELSE
365              CALL MDS_BYTESWAPR8( sNx*sNy*nNz*nSx*nSy, shared3dBuf_r8 )
366            ENDIF
367    #endif
368    
369  C If we are writing to a global file then we open it here  C If we are writing to a global file then we open it here
370          IF (globalFile) THEN          IF (globalFile) THEN
371           WRITE(dataFName,'(2a)') fName(1:IL),'.data'            WRITE(dataFName,'(2a)') fName(1:IL),'.data'
372           IF (irecord .EQ. 1) THEN            length_of_rec = MDS_RECLEN( filePrec, sNx, myThid )
373            length_of_rec=MDS_RECLEN( filePrec, sNx, myThid )            IF (irecord .EQ. 1) THEN
374            OPEN( dUnit, file=dataFName, status=_NEW_STATUS,             OPEN( dUnit, file=dataFName, status=_NEW_STATUS,
375       &            access='direct', recl=length_of_rec )       &             access='direct', recl=length_of_rec )
376            fileIsOpen=.TRUE.            ELSE
377           ELSE             OPEN( dUnit, file=dataFName, status=_OLD_STATUS,
378            length_of_rec=MDS_RECLEN( filePrec, sNx, myThid )       &             access='direct', recl=length_of_rec )
379            OPEN( dUnit, file=dataFName, status=_OLD_STATUS,            ENDIF
      &            access='direct', recl=length_of_rec )  
380            fileIsOpen=.TRUE.            fileIsOpen=.TRUE.
          ENDIF  
381          ENDIF          ENDIF
382    
383  C Loop over all tiles  C Loop over all tiles
384          DO bj=1,nSy          DO bj=1,nSy
385           DO bi=1,nSx           DO bi=1,nSx
386              bBij = sNx*sNy*nNz*( bi-1 + (bj-1)*nSx )
387    
388              tNx = sNx
389              tNy = sNy
390              global_nTx = xSize/sNx
391              tBx = myXGlobalLo-1 + (bi-1)*sNx
392              tBy = myYGlobalLo-1 + (bj-1)*sNy
393    #ifdef ALLOW_EXCH2
394              IF ( useExch2ioLayOut ) THEN
395                tN = W2_myTileList(bi)
396    c           tNx = exch2_tNx(tN)
397    c           tNy = exch2_tNy(tN)
398    c           global_nTx = exch2_global_Nx/tNx
399                tBx = exch2_txGlobalo(tN) - 1
400                tBy = exch2_tyGlobalo(tN) - 1
401                IF   ( exch2_mydNx(tN) .GT. xSize ) THEN
402    C-          face x-size larger than glob-size : fold it
403                  iGjLoc = 0
404                  jGjLoc = exch2_mydNx(tN) / xSize
405                ELSEIF ( exch2_tNy(tN) .GT. ySize ) THEN
406    C-          tile y-size larger than glob-size : make a long line
407                  iGjLoc = exch2_mydNx(tN)
408                  jGjLoc = 0
409                ELSE
410    C-          default (face fit into global-IO-array)
411                  iGjLoc = 0
412                  jGjLoc = 1
413                ENDIF
414              ENDIF
415    #endif /* ALLOW_EXCH2 */
416    
417              IF (globalFile) THEN
418    C--- Case of 1 Global file:
419    
420               DO k=kLo,kHi
421                DO j=1,tNy
422                 irec = 1 + ( tBx + (j-1)*iGjLoc )/tNx
423         &                + ( tBy + (j-1)*jGjLoc )*global_nTx
424         &            +( k-kLo + (irecord-1)*nNz )*global_nTx*ySize
425                 i1 = bBij + 1 + (j-1)*sNx + (k-kLo)*sNx*sNy
426                 i2 = bBij +         j*sNx + (k-kLo)*sNx*sNy
427                 IF ( filePrec.EQ.precFloat32 ) THEN
428                  WRITE(dUnit,rec=irec) (shared3dBuf_r4(i),i=i1,i2)
429                 ELSE
430                  WRITE(dUnit,rec=irec) (shared3dBuf_r8(i),i=i1,i2)
431                 ENDIF
432    C End of j,k loops
433                ENDDO
434               ENDDO
435    
436              ELSE
437    C--- Case of 1 file per tile (globalFile=F):
438    
439  C If we are writing to a tiled MDS file then we open each one here  C If we are writing to a tiled MDS file then we open each one here
           IF (.NOT. globalFile) THEN  
440             iG=bi+(myXGlobalLo-1)/sNx             iG=bi+(myXGlobalLo-1)/sNx
441             jG=bj+(myYGlobalLo-1)/sNy             jG=bj+(myYGlobalLo-1)/sNy
442             WRITE(dataFName,'(2A,I3.3,A,I3.3,A)')             WRITE(dataFName,'(2A,I3.3,A,I3.3,A)')
443       &              pfName(1:pIL),'.',iG,'.',jG,'.data'       &            pfName(1:pIL),'.',iG,'.',jG,'.data'
444               length_of_rec = MDS_RECLEN( filePrec, sNx*sNy*nNz, myThid )
445             IF (irecord .EQ. 1) THEN             IF (irecord .EQ. 1) THEN
             length_of_rec=MDS_RECLEN( filePrec, sNx, myThid )  
446              OPEN( dUnit, file=dataFName, status=_NEW_STATUS,              OPEN( dUnit, file=dataFName, status=_NEW_STATUS,
447       &            access='direct', recl=length_of_rec )       &            access='direct', recl=length_of_rec )
             fileIsOpen=.TRUE.  
448             ELSE             ELSE
             length_of_rec=MDS_RECLEN( filePrec, sNx, myThid )  
449              OPEN( dUnit, file=dataFName, status=_OLD_STATUS,              OPEN( dUnit, file=dataFName, status=_OLD_STATUS,
450       &            access='direct', recl=length_of_rec )       &            access='direct', recl=length_of_rec )
             fileIsOpen=.TRUE.  
451             ENDIF             ENDIF
452            ENDIF             fileIsOpen=.TRUE.
453    
454            IF (fileIsOpen) THEN             irec = irecord
455             tNx = sNx             i1 = bBij + 1
456             tNy = sNy             i2 = bBij + sNx*sNy*nNz
457             global_nTx = xSize/sNx             IF ( filePrec.EQ.precFloat32 ) THEN
458             tBx = myXGlobalLo-1 + (bi-1)*sNx               WRITE(dUnit,rec=irec) (shared3dBuf_r4(i),i=i1,i2)
459             tBy = myYGlobalLo-1 + (bj-1)*sNy             ELSE
460  #ifdef ALLOW_EXCH2               WRITE(dUnit,rec=irec) (shared3dBuf_r8(i),i=i1,i2)
            IF ( useExch2ioLayOut ) THEN  
              tN = W2_myTileList(bi)  
 c            tNx = exch2_tNx(tN)  
 c            tNy = exch2_tNy(tN)  
 c            global_nTx = exch2_global_Nx/tNx  
              tBx = exch2_txGlobalo(tN) - 1  
              tBy = exch2_tyGlobalo(tN) - 1  
              IF   ( exch2_mydNx(tN) .GT. xSize ) THEN  
 C-           face x-size larger than glob-size : fold it  
                iGjLoc = 0  
                jGjLoc = exch2_mydNx(tN) / xSize  
              ELSEIF ( exch2_tNy(tN) .GT. ySize ) THEN  
 C-           tile y-size larger than glob-size : make a long line  
                iGjLoc = exch2_mydNx(tN)  
                jGjLoc = 0  
              ELSE  
 C-           default (face fit into global-IO-array)  
                iGjLoc = 0  
                jGjLoc = 1  
              ENDIF  
461             ENDIF             ENDIF
462  #endif /* ALLOW_EXCH2 */  
463             DO k=1,nNz  C here We close the tiled MDS file
464              DO j=1,tNy             IF ( fileIsOpen ) THEN
465               IF (globalFile) THEN               CLOSE( dUnit )
466                irec = 1 + ( tBx + (j-1)*iGjLoc )/tNx               fileIsOpen = .FALSE.
467       &                 + ( tBy + (j-1)*jGjLoc )*global_nTx             ENDIF
468       &             +( k-kLo + (irecord-1)*nNz )*global_nTx*ySize  
469               ELSE  C--- End Global File / tile-file cases
               irec = j + ( k-kLo + (irecord-1)*nNz )*sNy  
              ENDIF  
              IF (filePrec .EQ. precFloat32) THEN  
               IF (arrType .EQ. 'RS') THEN  
                CALL MDS_SEG4toRS( j,bi,bj,k,kSize, r4seg,.FALSE.,arr )  
               ELSEIF (arrType .EQ. 'RL') THEN  
                CALL MDS_SEG4toRL( j,bi,bj,k,kSize, r4seg,.FALSE.,arr )  
               ELSE  
                WRITE(msgBuf,'(A)')  
      &           ' MDS_WRITE_FIELD: illegal value for arrType'  
                CALL PRINT_ERROR( msgBuf, myThid )  
                STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'  
               ENDIF  
 #ifdef _BYTESWAPIO  
               CALL MDS_BYTESWAPR4( sNx, r4seg )  
 #endif  
               WRITE(dUnit,rec=irec) r4seg  
              ELSEIF (filePrec .EQ. precFloat64) THEN  
               IF (arrType .EQ. 'RS') THEN  
                CALL MDS_SEG8toRS( j,bi,bj,k,kSize, r8seg,.FALSE.,arr )  
               ELSEIF (arrType .EQ. 'RL') THEN  
                CALL MDS_SEG8toRL( j,bi,bj,k,kSize, r8seg,.FALSE.,arr )  
               ELSE  
                WRITE(msgBuf,'(A)')  
      &           ' MDS_WRITE_FIELD: illegal value for arrType'  
                CALL PRINT_ERROR( msgBuf, myThid )  
                STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'  
               ENDIF  
 #ifdef _BYTESWAPIO  
               CALL MDS_BYTESWAPR8( sNx, r8seg )  
 #endif  
               WRITE(dUnit,rec=irec) r8seg  
              ELSE  
               WRITE(msgBuf,'(A)')  
      &          ' MDS_WRITE_FIELD: illegal value for filePrec'  
               CALL PRINT_ERROR( msgBuf, myThid )  
               STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'  
              ENDIF  
 C End of j loop  
             ENDDO  
 C End of k loop  
            ENDDO  
           ELSE  
 C fileIsOpen=F  
            WRITE(msgBuf,'(A)')  
      &       ' MDS_WRITE_FIELD: I should never get to this point'  
            CALL PRINT_ERROR( msgBuf, myThid )  
            STOP 'ABNORMAL END: S/R MDS_WRITE_FIELD'  
           ENDIF  
 C If we were writing to a tiled MDS file then we close it here  
           IF (fileIsOpen .AND. (.NOT. globalFile)) THEN  
            CLOSE( dUnit )  
            fileIsOpen = .FALSE.  
470            ENDIF            ENDIF
471    
472  C Create meta-file for each tile if we are tiling  C Create meta-file for each tile if we are tiling
473            IF ( .NOT.globalFile .AND. writeMetaF ) THEN            IF ( .NOT.globalFile .AND. writeMetaF ) THEN
474             iG=bi+(myXGlobalLo-1)/sNx             iG=bi+(myXGlobalLo-1)/sNx
# Line 434  C Create meta-file for each tile if we a Line 484  C Create meta-file for each tile if we a
484             dimList(1,3) = nNz             dimList(1,3) = nNz
485             dimList(2,3) = 1             dimList(2,3) = 1
486             dimList(3,3) = nNz             dimList(3,3) = nNz
487    c          dimList(1,3) = kSize
488    c          dimList(2,3) = kLo
489    c          dimList(3,3) = kHi
490             nDims = 3             nDims = 3
491             IF ( nNz.EQ.1 ) nDims = 2             IF ( nNz.EQ.1 ) nDims = 2
492             map2gl(1) = iGjLoc             map2gl(1) = iGjLoc
# Line 443  C Create meta-file for each tile if we a Line 496  C Create meta-file for each tile if we a
496       I              filePrec, nDims,dimList,map2gl, 0,  ' ',       I              filePrec, nDims,dimList,map2gl, 0,  ' ',
497       I              0, UNSET_RL, irecord, myIter, myThid )       I              0, UNSET_RL, irecord, myIter, myThid )
498            ENDIF            ENDIF
499    
500  C End of bi,bj loops  C End of bi,bj loops
501           ENDDO           ENDDO
502          ENDDO          ENDDO
503    
504  C If global file was opened then close it  C If global file was opened then close it
505          IF (fileIsOpen .AND. globalFile) THEN          IF (fileIsOpen .AND. globalFile) THEN
506           CLOSE( dUnit )            CLOSE( dUnit )
507           fileIsOpen = .FALSE.            fileIsOpen = .FALSE.
508          ENDIF          ENDIF
509    
510  C- endif iAmDoingIO  C- endif iAmDoingIO
511         ENDIF         ENDIF
512    
513    C Make other threads wait for I/O completion so that after this,
514    C  3-D buffer can again be modified by any thread
515           CALL BAR2( myThid )
516    
517  C     if useSingleCpuIO / else / end  C     if useSingleCpuIO / else / end
518        ENDIF        ENDIF
519    
# Line 472  C Create meta-file for the global-file ( Line 530  C Create meta-file for the global-file (
530           dimList(1,3) = nNz           dimList(1,3) = nNz
531           dimList(2,3) = 1           dimList(2,3) = 1
532           dimList(3,3) = nNz           dimList(3,3) = nNz
533    c        dimList(1,3) = kSize
534    c        dimList(2,3) = kLo
535    c        dimList(3,3) = kHi
536           nDims = 3           nDims = 3
537           IF ( nNz.EQ.1 ) nDims = 2           IF ( nNz.EQ.1 ) nDims = 2
538           map2gl(1) = 0           map2gl(1) = 0
# Line 485  c    I              filePrec, nDims, dim Line 546  c    I              filePrec, nDims, dim
546  c    I              nTimRec, timList, irecord, myIter, myThid )  c    I              nTimRec, timList, irecord, myIter, myThid )
547        ENDIF        ENDIF
548    
 C To be safe, make other processes wait for I/O completion  
       _BARRIER  
   
549  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|  C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
550        RETURN        RETURN
551        END        END
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