/[MITgcm]/MITgcm/pkg/mdsio/mdsio_writevec_loc.F
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Revision 1.6 - (hide annotations) (download)
Thu Dec 23 02:46:18 2010 UTC (13 years, 5 months ago) by jmc
Branch: MAIN
Changes since 1.5: +11 -9 lines
use buffers from MDSIO_BUFF_3D.h (instead of local ones)

1 jmc 1.6 C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_writevec_loc.F,v 1.5 2009/09/01 19:08:27 jmc Exp $
2 jmc 1.1 C $Name: $
3    
4     #include "MDSIO_OPTIONS.h"
5    
6 jmc 1.3 CBOP
7     C !ROUTINE: MDS_WRITEVEC_LOC
8     C !INTERFACE:
9 jmc 1.2 SUBROUTINE MDS_WRITEVEC_LOC(
10 jmc 1.1 I fName,
11     I filePrec,
12 jmc 1.3 U ioUnit,
13 jmc 1.2 I arrType,
14 jmc 1.5 I nSize,
15     I fldRL, fldRS,
16 jmc 1.1 I bi, bj,
17     I irecord,
18     I myIter,
19     I myThid )
20 jmc 1.2
21 jmc 1.3 C !DESCRIPTION:
22 jmc 1.1 C Arguments:
23     C
24 jmc 1.3 C fName string :: base name for file to written
25 jmc 1.2 C filePrec integer :: number of bits per word in file (32 or 64)
26 jmc 1.3 C ioUnit integer :: fortran file IO unit
27 jmc 1.5 C nSize integer :: number of elements from input array "fldRL/RS" to be written
28     C arrType char(2) :: which array (fldRL/RS) to write, either "RL" or "RS"
29     C fldRL ( RL ) :: array to write if arrType="RL", fldRL(nSize)
30     C fldRS ( RS ) :: array to write if arrType="RS", fldRS(nSize)
31 jmc 1.2 C bi,bj integer :: tile indices (if tiled array) or 0,0 if not a tiled array
32 jmc 1.3 C irecord integer :: record number to WRITE =|irecord|
33 jmc 1.2 C myIter integer :: time step number
34     C myThid integer :: my Thread Id number
35 jmc 1.1 C
36 jmc 1.3 C MDS_WRITEVEC_LOC according to ioUnit:
37     C ioUnit = 0 : open file, write and close the file (return ioUnit=0).
38     C ioUnit =-1 : open file, write and leave it open (return IO unit in ioUnit)
39     C ioUnit > 0 : assume file "ioUnit" is open, and write to it.
40     C MDS_WRITEVEC_LOC writes either to a file of the form "fName.data" and
41 jmc 1.5 C "fName.meta" if bi=bj=0. Otherwise it writes to MDS tiled files of the
42 jmc 1.1 C form "fName.xxx.yyy.data" and "fName.xxx.yyy.meta".
43 jmc 1.3 C If irecord>0, a meta-file is created (skipped if irecord<0).
44 jmc 1.5 C The precision of the file is described by filePrec, set either
45 jmc 1.1 C to floatPrec32 or floatPrec64.
46 jmc 1.3 C |irecord|=iRec is the record number to be written and must be >=1.
47 jmc 1.1
48 jmc 1.3 C !USES:
49 jmc 1.1 IMPLICIT NONE
50 jmc 1.3
51 jmc 1.1 C Global variables / common blocks
52     #include "SIZE.h"
53     #include "EEPARAMS.h"
54     #include "PARAMS.h"
55 jmc 1.6 #include "MDSIO_BUFF_3D.h"
56 jmc 1.1
57 jmc 1.3 C !INPUT/OUTPUT PARAMETERS:
58 jmc 1.1 CHARACTER*(*) fName
59 jmc 1.3 INTEGER ioUnit
60 jmc 1.1 INTEGER filePrec
61 jmc 1.2 CHARACTER*(2) arrType
62 jmc 1.5 INTEGER nSize
63     _RL fldRL(*)
64     _RS fldRS(*)
65 jmc 1.1 INTEGER bi,bj
66     INTEGER irecord
67     INTEGER myIter
68     INTEGER myThid
69 jmc 1.3
70     C !FUNCTIONS:
71 jmc 1.1 INTEGER ILNBLNK
72     INTEGER MDS_RECLEN
73 jmc 1.2 EXTERNAL ILNBLNK
74     EXTERNAL MDS_RECLEN
75 jmc 1.3
76     C !LOCAL VARIABLES:
77 jmc 1.1 CHARACTER*(MAX_LEN_FNAM) dataFName, metaFName, pfName
78     CHARACTER*(MAX_LEN_MBUF) msgBuf
79     LOGICAL fileIsOpen
80 jmc 1.5 INTEGER iG,jG,iRec,dUnit,IL,pIL
81 jmc 1.2 INTEGER dimList(3,3), nDims, map2gl(2)
82 jmc 1.1 INTEGER length_of_rec
83 jmc 1.6 INTEGER buffSize
84 jmc 1.4 _RL dummyRL(1)
85     CHARACTER*8 blank8c
86 jmc 1.3 CEOP
87 jmc 1.1
88 jmc 1.4 DATA dummyRL(1) / 0. _d 0 /
89     DATA blank8c / ' ' /
90     DATA map2gl / 0, 1 /
91 jmc 1.2
92 jmc 1.3 C We write a non-tiled array (bi=bj=0) only 1 time (if ProcId=0):
93     IF ( myProcId.EQ.0 .OR. bi.NE.0 .OR. bj.NE.0 ) THEN
94    
95 jmc 1.1 C Only DO I/O IF I am the master thread
96 jmc 1.3 _BEGIN_MASTER( myThid )
97    
98     C Assume nothing
99     fileIsOpen = .FALSE.
100     IL = ILNBLNK( fName )
101     iRec = ABS(irecord)
102 jmc 1.1
103     C Record number must be >= 1
104 jmc 1.3 IF ( iRec.LT.1 ) THEN
105 jmc 1.2 WRITE(msgBuf,'(A,I9)')
106     & ' MDS_WRITEVEC_LOC: argument irecord = ',irecord
107 jmc 1.1 CALL PRINT_ERROR( msgBuf, myThid )
108     WRITE(msgBuf,'(A)')
109 jmc 1.2 & ' MDS_WRITEVEC_LOC: invalid value for irecord'
110 jmc 1.1 CALL PRINT_ERROR( msgBuf, myThid )
111 jmc 1.2 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
112 jmc 1.1 ENDIF
113    
114 jmc 1.2 C Check buffer size
115 jmc 1.6 buffSize = sNx*sNy*size3dBuf*nSx*nSy
116     IF ( nSize.GT.buffSize ) THEN
117 jmc 1.2 WRITE(msgBuf,'(3A)')
118     & ' MDS_WRITEVEC_LOC: writing to file "', fName(1:IL), '":'
119     CALL PRINT_ERROR( msgBuf, myThid )
120     WRITE(msgBuf,'(A,I9)')
121 jmc 1.5 & ' MDS_WRITEVEC_LOC: dim of array to write=', nSize
122 jmc 1.2 CALL PRINT_ERROR( msgBuf, myThid )
123     WRITE(msgBuf,'(A,I9)')
124 jmc 1.6 & ' MDS_WRITEVEC_LOC: exceeds buffer size=', buffSize
125     CALL PRINT_ERROR( msgBuf, myThid )
126     WRITE(msgBuf,'(A)')
127     & ' increase "size3dBuf" in "MDSIO_BUFF_3D.h" and recompile'
128 jmc 1.2 CALL PRINT_ERROR( msgBuf, myThid )
129     STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
130     ENDIF
131 jmc 1.1
132     C Assign special directory
133     IF ( mdsioLocalDir .NE. ' ' ) THEN
134     pIL = ILNBLNK( mdsioLocalDir )
135     WRITE(pFname,'(2A)') mdsioLocalDir(1:pIL), fName(1:IL)
136     pIL = IL + pIL
137     ELSE
138     WRITE(pFname,'(A)') fName(1:IL)
139     pIL = IL
140     ENDIF
141    
142 jmc 1.3 IF ( ioUnit.GT.0 ) THEN
143     C- Assume file Unit is already open with correct Rec-Length & Precision
144     fileIsOpen = .TRUE.
145     dUnit = ioUnit
146     ELSE
147     C- Need to open file IO unit with File-name, Rec-Length & Precision
148    
149     C Assign a free unit number as the I/O channel for this routine
150     CALL MDSFINDUNIT( dUnit, myThid )
151 jmc 1.1
152 jmc 1.3 C-- Set the file Name:
153     IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN
154     C- we are writing a non-tiled array (bi=bj=0):
155     WRITE(dataFname,'(2A)') fName(1:IL),'.data'
156     ELSE
157     C- we are writing a tiled array (bi>0,bj>0):
158     iG=bi+(myXGlobalLo-1)/sNx
159     jG=bj+(myYGlobalLo-1)/sNy
160     WRITE(dataFname,'(2A,I3.3,A,I3.3,A)')
161 jmc 1.1 & pfName(1:pIL),'.',iG,'.',jG,'.data'
162 jmc 1.3 ENDIF
163 jmc 1.1
164 jmc 1.3 C-- Open the file:
165 jmc 1.5 length_of_rec=MDS_RECLEN( filePrec, nSize, myThid )
166 jmc 1.3 IF (iRec .EQ. 1) THEN
167     OPEN( dUnit, file=dataFName, status=_NEW_STATUS,
168     & access='direct', recl=length_of_rec )
169     fileIsOpen=.TRUE.
170     ELSE
171     OPEN( dUnit, file=dataFName, status=_OLD_STATUS,
172     & access='direct', recl=length_of_rec )
173     fileIsOpen=.TRUE.
174     ENDIF
175     IF ( debugLevel.GE.debLevB ) THEN
176     WRITE(msgBuf,'(2A)')
177 jmc 1.2 & ' MDS_WRITEVEC_LOC: open file: ',dataFname(1:pIL+13)
178 jmc 1.3 CALL PRINT_MESSAGE( msgBuf, standardMessageUnit,
179     & SQUEEZE_RIGHT , 1)
180     ENDIF
181     C- End if block: File Unit is already open / Need to open it
182 jmc 1.1 ENDIF
183    
184     IF (fileIsOpen) THEN
185 jmc 1.2 IF ( arrType.EQ.'RS' ) THEN
186 jmc 1.6 CALL MDS_WR_REC_RS( fldRS, shared3dBuf_r4, shared3dBuf_r8,
187 jmc 1.5 I filePrec, dUnit, iRec, nSize, myThid )
188 jmc 1.2 ELSEIF ( arrType.EQ.'RL' ) THEN
189 jmc 1.6 CALL MDS_WR_REC_RL( fldRL, shared3dBuf_r4, shared3dBuf_r8,
190 jmc 1.5 I filePrec, dUnit, iRec, nSize, myThid )
191 jmc 1.1 ELSE
192     WRITE(msgBuf,'(A)')
193 jmc 1.2 & ' MDS_WRITEVEC_LOC: illegal value for arrType'
194 jmc 1.1 CALL PRINT_ERROR( msgBuf, myThid )
195 jmc 1.2 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
196 jmc 1.1 ENDIF
197     ELSE
198     WRITE(msgBuf,'(A)')
199 jmc 1.2 & ' MDS_WRITEVEC_LOC: should never reach this point'
200 jmc 1.1 CALL PRINT_ERROR( msgBuf, myThid )
201 jmc 1.2 STOP 'ABNORMAL END: S/R MDS_WRITEVEC_LOC'
202 jmc 1.1 ENDIF
203    
204     C If we were writing to a tiled MDS file then we close it here
205 jmc 1.3 IF ( fileIsOpen .AND. ioUnit.EQ.0 ) THEN
206 jmc 1.1 CLOSE( dUnit )
207     fileIsOpen = .FALSE.
208     ENDIF
209 jmc 1.3 IF ( ioUnit.EQ.-1 ) ioUnit = dUnit
210 jmc 1.1
211 jmc 1.3 IF ( irecord.GT.0 ) THEN
212 jmc 1.1 C Create meta-file for each tile IF we are tiling
213 jmc 1.3 IF ( bi.EQ.0 .AND. bj.EQ.0 ) THEN
214     C-- we are writing a non-tiled array (bi=bj=0):
215     WRITE(metaFname,'(2A)') fName(1:IL),'.meta'
216     dimList(1,1)=1
217     dimList(2,1)=1
218     dimList(3,1)=1
219     dimList(1,2)=1
220     dimList(2,2)=1
221     dimList(3,2)=1
222     ELSE
223     C-- we are writing a tiled array (bi>0,bj>0):
224     iG=bi+(myXGlobalLo-1)/sNx
225     jG=bj+(myYGlobalLo-1)/sNy
226     WRITE(metaFname,'(2A,I3.3,A,I3.3,A)')
227 jmc 1.1 & pfName(1:pIL),'.',iG,'.',jG,'.meta'
228 jmc 1.3 dimList(1,1)=nSx*nPx
229     dimList(2,1)=iG
230     dimList(3,1)=iG
231     dimList(1,2)=nSy*nPy
232     dimList(2,2)=jG
233     dimList(3,2)=jG
234     ENDIF
235 jmc 1.5 dimList(1,3)=nSize
236 jmc 1.3 dimList(2,3)=1
237 jmc 1.5 dimList(3,3)=nSize
238 jmc 1.3 nDims=3
239 jmc 1.5 IF ( nSize.EQ.1 ) nDims=2
240 jmc 1.3 CALL MDS_WRITE_META(
241 jmc 1.2 I metaFName, dataFName, the_run_name, ' ',
242 jmc 1.4 I filePrec, nDims, dimList, map2gl, 0, blank8c,
243     I 0, dummyRL, iRec, myIter, myThid )
244 jmc 1.3 ENDIF
245 jmc 1.1
246 jmc 1.3 _END_MASTER( myThid )
247 jmc 1.1 ENDIF
248    
249     RETURN
250     END

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