1 |
jmc |
1.10 |
C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_read_field.F,v 1.9 2009/06/01 14:20:31 jmc Exp $ |
2 |
jmc |
1.1 |
C $Name: $ |
3 |
|
|
|
4 |
|
|
#include "MDSIO_OPTIONS.h" |
5 |
|
|
|
6 |
|
|
CBOP |
7 |
|
|
C !ROUTINE: MDS_READ_FIELD |
8 |
|
|
C !INTERFACE: |
9 |
|
|
SUBROUTINE MDS_READ_FIELD( |
10 |
|
|
I fName, |
11 |
|
|
I filePrec, |
12 |
|
|
I useCurrentDir, |
13 |
|
|
I arrType, |
14 |
jmc |
1.3 |
I kSize,kLo,kHi, |
15 |
jmc |
1.1 |
O arr, |
16 |
|
|
I irecord, |
17 |
|
|
I myThid ) |
18 |
|
|
|
19 |
|
|
C !DESCRIPTION: |
20 |
|
|
C Arguments: |
21 |
|
|
C |
22 |
|
|
C fName (string) :: base name for file to read |
23 |
|
|
C filePrec (integer) :: number of bits per word in file (32 or 64) |
24 |
|
|
C useCurrentDir(logic):: always read from the current directory (even if |
25 |
|
|
C "mdsioLocalDir" is set) |
26 |
|
|
C arrType (char(2)) :: declaration of "arr": either "RS" or "RL" |
27 |
jmc |
1.3 |
C kSize (integer) :: size of third dimension: normally either 1 or Nr |
28 |
|
|
C kLo (integer) :: 1rst vertical level (of array "arr") to read-in |
29 |
|
|
C kHi (integer) :: last vertical level (of array "arr") to read-in |
30 |
|
|
C arr ( RS/RL ) :: array to read into, arr(:,:,kSize,:,:) |
31 |
jmc |
1.1 |
C irecord (integer) :: record number to read |
32 |
|
|
C myIter (integer) :: time step number |
33 |
|
|
C myThid (integer) :: thread identifier |
34 |
|
|
C |
35 |
|
|
C MDS_READ_FIELD first checks to see IF the file "fName" exists, then |
36 |
jmc |
1.3 |
C IF the file "fName.data" exists and finally the tiled files of the |
37 |
|
|
C form "fName.xxx.yyy.data" exist. Currently, the meta-files are not |
38 |
|
|
C read because it is difficult to parse files in fortran. |
39 |
jmc |
1.1 |
C The precision of the file is decsribed by filePrec, set either |
40 |
jmc |
1.3 |
C to floatPrec32 or floatPrec64. The precision or declaration of |
41 |
|
|
C the array argument must be consistently described by the char*(2) |
42 |
|
|
C string arrType, either "RS" or "RL". |
43 |
|
|
C (kSize,kLo,kHi) allows for both 2-D and 3-D arrays to be handled, with |
44 |
|
|
C the option to only read and fill-in a sub-set of consecutive vertical |
45 |
|
|
C levels (from kLo to kHi) ; (kSize,kLo,kHi)=(1,1,1) implies a 2-D model |
46 |
|
|
C field and (kSize,kLo,kHi)=(Nr,1,Nr) implies a 3-D model field. |
47 |
|
|
C irecord is the record number to be read and must be >= 1. |
48 |
|
|
C The file data is stored in arr *but* the overlaps are *not* updated, |
49 |
|
|
C i.e., an exchange must be called. This is because the routine is |
50 |
|
|
C sometimes called from within a MASTER_THID region. |
51 |
jmc |
1.1 |
C |
52 |
|
|
C Created: 03/16/99 adcroft@mit.edu |
53 |
|
|
CEOP |
54 |
|
|
|
55 |
|
|
C !USES: |
56 |
|
|
IMPLICIT NONE |
57 |
|
|
C Global variables / common blocks |
58 |
|
|
#include "SIZE.h" |
59 |
|
|
#include "EEPARAMS.h" |
60 |
|
|
#include "PARAMS.h" |
61 |
|
|
#ifdef ALLOW_EXCH2 |
62 |
jmc |
1.7 |
#include "W2_EXCH2_SIZE.h" |
63 |
jmc |
1.1 |
#include "W2_EXCH2_TOPOLOGY.h" |
64 |
jmc |
1.8 |
#include "W2_EXCH2_PARAMS.h" |
65 |
jmc |
1.1 |
#endif /* ALLOW_EXCH2 */ |
66 |
jmc |
1.8 |
#include "EEBUFF_SCPU.h" |
67 |
jmc |
1.10 |
#include "MDSIO_BUFF_3D.h" |
68 |
jmc |
1.1 |
|
69 |
|
|
C !INPUT PARAMETERS: |
70 |
|
|
CHARACTER*(*) fName |
71 |
|
|
INTEGER filePrec |
72 |
|
|
LOGICAL useCurrentDir |
73 |
|
|
CHARACTER*(2) arrType |
74 |
jmc |
1.3 |
INTEGER kSize, kLo, kHi |
75 |
jmc |
1.1 |
INTEGER irecord |
76 |
|
|
INTEGER myThid |
77 |
|
|
C !OUTPUT PARAMETERS: |
78 |
|
|
Real arr(*) |
79 |
|
|
|
80 |
|
|
C !FUNCTIONS |
81 |
|
|
INTEGER ILNBLNK |
82 |
|
|
INTEGER MDS_RECLEN |
83 |
|
|
LOGICAL MASTER_CPU_IO |
84 |
|
|
EXTERNAL ILNBLNK |
85 |
|
|
EXTERNAL MDS_RECLEN |
86 |
|
|
EXTERNAL MASTER_CPU_IO |
87 |
|
|
|
88 |
|
|
C !LOCAL VARIABLES: |
89 |
jmc |
1.10 |
C bBij :: base shift in Buffer index for tile bi,bj |
90 |
jmc |
1.1 |
CHARACTER*(MAX_LEN_FNAM) dataFName,pfName |
91 |
|
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
92 |
|
|
LOGICAL exst |
93 |
|
|
LOGICAL globalFile, fileIsOpen |
94 |
|
|
LOGICAL iAmDoingIO |
95 |
jmc |
1.8 |
LOGICAL useExch2ioLayOut |
96 |
jmc |
1.5 |
INTEGER xSize, ySize |
97 |
jmc |
1.10 |
INTEGER iG,jG,bi,bj |
98 |
|
|
INTEGER i1,i2,i,j,k,nNz |
99 |
jmc |
1.3 |
INTEGER irec,dUnit,IL,pIL |
100 |
jahn |
1.4 |
INTEGER length_of_rec |
101 |
jmc |
1.10 |
INTEGER bBij |
102 |
jmc |
1.8 |
INTEGER tNx, tNy, global_nTx |
103 |
|
|
INTEGER tBx, tBy, iGjLoc, jGjLoc |
104 |
jmc |
1.1 |
#ifdef ALLOW_EXCH2 |
105 |
jmc |
1.8 |
INTEGER tN |
106 |
jmc |
1.1 |
#endif /* ALLOW_EXCH2 */ |
107 |
|
|
|
108 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
109 |
jmc |
1.5 |
C Set dimensions: |
110 |
|
|
xSize = Nx |
111 |
|
|
ySize = Ny |
112 |
jmc |
1.8 |
useExch2ioLayOut = .FALSE. |
113 |
|
|
#ifdef ALLOW_EXCH2 |
114 |
|
|
IF ( W2_useE2ioLayOut ) THEN |
115 |
|
|
xSize = exch2_global_Nx |
116 |
|
|
ySize = exch2_global_Ny |
117 |
|
|
useExch2ioLayOut = .TRUE. |
118 |
|
|
ENDIF |
119 |
|
|
#endif /* ALLOW_EXCH2 */ |
120 |
jmc |
1.1 |
|
121 |
|
|
C Assume nothing |
122 |
|
|
globalFile = .FALSE. |
123 |
|
|
fileIsOpen = .FALSE. |
124 |
|
|
IL = ILNBLNK( fName ) |
125 |
|
|
pIL = ILNBLNK( mdsioLocalDir ) |
126 |
jmc |
1.3 |
nNz = 1 + kHi - kLo |
127 |
jmc |
1.1 |
|
128 |
|
|
C Only do I/O if I am the master thread (and mpi process 0 IF useSingleCpuIO): |
129 |
|
|
iAmDoingIO = MASTER_CPU_IO(myThid) |
130 |
|
|
|
131 |
jmc |
1.10 |
C Record number must be >= 1 |
132 |
|
|
IF (irecord .LT. 1) THEN |
133 |
|
|
WRITE(msgBuf,'(A,I9.8)') |
134 |
|
|
& ' MDS_READ_FIELD: argument irecord = ',irecord |
135 |
|
|
CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
136 |
|
|
& SQUEEZE_RIGHT , myThid) |
137 |
|
|
WRITE(msgBuf,'(A)') |
138 |
|
|
& ' MDS_READ_FIELD: Invalid value for irecord' |
139 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
140 |
|
|
CALL ALL_PROC_DIE( myThid ) |
141 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
142 |
|
|
ENDIF |
143 |
|
|
C check for valid sub-set of levels: |
144 |
|
|
IF ( kLo.LT.1 .OR. kHi.GT.kSize ) THEN |
145 |
|
|
WRITE(msgBuf,'(3(A,I6))') |
146 |
|
|
& ' MDS_READ_FIELD: arguments kSize=', kSize, |
147 |
|
|
& ' , kLo=', kLo, ' , kHi=', kHi |
148 |
|
|
CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
149 |
|
|
& SQUEEZE_RIGHT , myThid) |
150 |
|
|
WRITE(msgBuf,'(A)') |
151 |
|
|
& ' MDS_READ_FIELD: invalid sub-set of levels' |
152 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
153 |
|
|
CALL ALL_PROC_DIE( myThid ) |
154 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
155 |
|
|
ENDIF |
156 |
|
|
C check for 3-D Buffer size: |
157 |
|
|
IF ( .NOT.useSingleCpuIO .AND. nNz.GT.size3dBuf ) THEN |
158 |
|
|
WRITE(msgBuf,'(3(A,I6))') |
159 |
|
|
& ' MDS_READ_FIELD: Nb Lev to read =', nNz, |
160 |
|
|
& ' >', size3dBuf, ' = buffer 3rd Dim' |
161 |
|
|
CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
162 |
|
|
& SQUEEZE_RIGHT , myThid) |
163 |
|
|
WRITE(msgBuf,'(A)') |
164 |
|
|
& ' MDS_READ_FIELD: buffer 3rd Dim. too small' |
165 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
166 |
|
|
WRITE(msgBuf,'(A)') |
167 |
|
|
& ' increase "size3dBuf" in "MDSIO_BUFF_3D.h" and recompile' |
168 |
|
|
CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
169 |
|
|
& SQUEEZE_RIGHT , myThid) |
170 |
|
|
CALL ALL_PROC_DIE( myThid ) |
171 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
172 |
|
|
ENDIF |
173 |
|
|
|
174 |
jmc |
1.1 |
C Only do I/O if I am the master thread |
175 |
|
|
IF ( iAmDoingIO ) THEN |
176 |
|
|
|
177 |
|
|
C Assign special directory |
178 |
|
|
IF ( useCurrentDir .OR. pIL.EQ.0 ) THEN |
179 |
|
|
pfName= fName |
180 |
|
|
ELSE |
181 |
|
|
WRITE(pfName,'(2a)') mdsioLocalDir(1:pIL), fName(1:IL) |
182 |
|
|
ENDIF |
183 |
|
|
pIL=ILNBLNK( pfName ) |
184 |
|
|
|
185 |
|
|
C Assign a free unit number as the I/O channel for this routine |
186 |
|
|
CALL MDSFINDUNIT( dUnit, myThid ) |
187 |
|
|
|
188 |
|
|
C Check first for global file with simple name (ie. fName) |
189 |
|
|
dataFName = fName |
190 |
|
|
INQUIRE( file=dataFName, exist=exst ) |
191 |
|
|
IF (exst) THEN |
192 |
|
|
IF ( debugLevel .GE. debLevA ) THEN |
193 |
|
|
WRITE(msgBuf,'(A,A)') |
194 |
|
|
& ' MDS_READ_FIELD: opening global file: ',dataFName(1:IL) |
195 |
|
|
#ifndef ALLOW_ECCO |
196 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
197 |
|
|
& SQUEEZE_RIGHT , myThid) |
198 |
|
|
#endif |
199 |
|
|
ENDIF |
200 |
|
|
globalFile = .TRUE. |
201 |
|
|
ENDIF |
202 |
|
|
|
203 |
|
|
C If negative check for global file with MDS name (ie. fName.data) |
204 |
|
|
IF (.NOT. globalFile) THEN |
205 |
|
|
WRITE(dataFName,'(2a)') fName(1:IL),'.data' |
206 |
|
|
INQUIRE( file=dataFName, exist=exst ) |
207 |
|
|
IF (exst) THEN |
208 |
|
|
IF ( debugLevel .GE. debLevA ) THEN |
209 |
|
|
WRITE(msgBuf,'(A,A)') |
210 |
|
|
& ' MDS_READ_FIELD: opening global file: ',dataFName(1:IL+5) |
211 |
|
|
#ifndef ALLOW_ECCO |
212 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
213 |
|
|
& SQUEEZE_RIGHT , myThid) |
214 |
|
|
#endif |
215 |
|
|
ENDIF |
216 |
|
|
globalFile = .TRUE. |
217 |
|
|
ENDIF |
218 |
|
|
ENDIF |
219 |
|
|
|
220 |
|
|
C- endif iAmDoingIO |
221 |
|
|
ENDIF |
222 |
|
|
|
223 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
224 |
|
|
|
225 |
|
|
IF ( useSingleCPUIO ) THEN |
226 |
|
|
|
227 |
|
|
C master thread of process 0, only, opens a global file |
228 |
|
|
IF ( iAmDoingIO ) THEN |
229 |
|
|
C If global file is visible to process 0, then open it here. |
230 |
|
|
C Otherwise stop program. |
231 |
|
|
IF ( globalFile) THEN |
232 |
jmc |
1.9 |
length_of_rec = MDS_RECLEN( filePrec, xSize*ySize, myThid ) |
233 |
jmc |
1.1 |
OPEN( dUnit, file=dataFName, status='old', |
234 |
|
|
& access='direct', recl=length_of_rec ) |
235 |
|
|
ELSE |
236 |
|
|
WRITE(msgBuf,'(2A)') |
237 |
|
|
& ' MDS_READ_FIELD: filename: ', dataFName(1:IL+5) |
238 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
239 |
|
|
& SQUEEZE_RIGHT , myThid) |
240 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
241 |
|
|
WRITE(msgBuf,'(A)') |
242 |
|
|
& ' MDS_READ_FIELD: File does not exist' |
243 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
244 |
|
|
& SQUEEZE_RIGHT , myThid) |
245 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
246 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
247 |
|
|
ENDIF |
248 |
|
|
C- endif iAmDoingIO |
249 |
|
|
ENDIF |
250 |
|
|
|
251 |
jmc |
1.3 |
DO k=kLo,kHi |
252 |
jmc |
1.1 |
|
253 |
|
|
C master thread of process 0, only, read from file |
254 |
|
|
IF ( iAmDoingIO ) THEN |
255 |
jmc |
1.9 |
irec = 1 + k-kLo + (irecord-1)*nNz |
256 |
jmc |
1.1 |
IF (filePrec .EQ. precFloat32) THEN |
257 |
jmc |
1.5 |
READ(dUnit,rec=irec) ( xy_buffer_r4(i),i=1,xSize*ySize ) |
258 |
jmc |
1.1 |
#ifdef _BYTESWAPIO |
259 |
jmc |
1.5 |
CALL MDS_BYTESWAPR4( xSize*ySize, xy_buffer_r4 ) |
260 |
jmc |
1.1 |
#endif |
261 |
jmc |
1.10 |
ELSE |
262 |
jmc |
1.5 |
READ(dUnit,rec=irec) ( xy_buffer_r8(i),i=1,xSize*ySize ) |
263 |
jmc |
1.2 |
#ifdef _BYTESWAPIO |
264 |
jmc |
1.5 |
CALL MDS_BYTESWAPR8( xSize*ySize, xy_buffer_r8 ) |
265 |
jmc |
1.2 |
#endif |
266 |
|
|
ENDIF |
267 |
jmc |
1.1 |
C- endif iAmDoingIO |
268 |
|
|
ENDIF |
269 |
jmc |
1.6 |
|
270 |
jmc |
1.10 |
C Wait for all thread to finish. This prevents other threads to continue |
271 |
|
|
C to acces shared buffer while master thread is loading data into |
272 |
|
|
CALL BAR2( myThid ) |
273 |
|
|
|
274 |
jmc |
1.6 |
IF ( filePrec.EQ.precFloat32 ) THEN |
275 |
|
|
CALL SCATTER_2D_R4( |
276 |
|
|
U xy_buffer_r4, |
277 |
|
|
O sharedLocBuf_r4, |
278 |
|
|
I xSize, ySize, |
279 |
jmc |
1.8 |
I useExch2ioLayOut, .FALSE., myThid ) |
280 |
jmc |
1.10 |
C All threads wait for Master to finish loading into shared buffer |
281 |
|
|
CALL BAR2( myThid ) |
282 |
jmc |
1.6 |
IF ( arrType.EQ.'RS' ) THEN |
283 |
jmc |
1.9 |
CALL MDS_PASS_R4toRS( sharedLocBuf_r4, arr, |
284 |
jmc |
1.10 |
I 1, k, kSize, 0, 0, .TRUE., myThid ) |
285 |
jmc |
1.6 |
ELSEIF ( arrType.EQ.'RL' ) THEN |
286 |
jmc |
1.9 |
CALL MDS_PASS_R4toRL( sharedLocBuf_r4, arr, |
287 |
jmc |
1.10 |
I 1, k, kSize, 0, 0, .TRUE., myThid ) |
288 |
jmc |
1.6 |
ELSE |
289 |
|
|
WRITE(msgBuf,'(A)') |
290 |
|
|
& ' MDS_READ_FIELD: illegal value for arrType' |
291 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
292 |
jmc |
1.10 |
CALL ALL_PROC_DIE( myThid ) |
293 |
jmc |
1.6 |
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
294 |
|
|
ENDIF |
295 |
jmc |
1.10 |
ELSEIF ( filePrec.EQ.precFloat64 ) THEN |
296 |
jmc |
1.6 |
CALL SCATTER_2D_R8( |
297 |
|
|
U xy_buffer_r8, |
298 |
|
|
O sharedLocBuf_r8, |
299 |
|
|
I xSize, ySize, |
300 |
jmc |
1.8 |
I useExch2ioLayOut, .FALSE., myThid ) |
301 |
jmc |
1.10 |
C All threads wait for Master to finish loading into shared buffer |
302 |
|
|
CALL BAR2( myThid ) |
303 |
jmc |
1.6 |
IF ( arrType.EQ.'RS' ) THEN |
304 |
jmc |
1.9 |
CALL MDS_PASS_R8toRS( sharedLocBuf_r8, arr, |
305 |
jmc |
1.10 |
I 1, k, kSize, 0, 0, .TRUE., myThid ) |
306 |
jmc |
1.6 |
ELSEIF ( arrType.EQ.'RL' ) THEN |
307 |
jmc |
1.9 |
CALL MDS_PASS_R8toRL( sharedLocBuf_r8, arr, |
308 |
jmc |
1.10 |
I 1, k, kSize, 0, 0, .TRUE., myThid ) |
309 |
jmc |
1.6 |
ELSE |
310 |
|
|
WRITE(msgBuf,'(A)') |
311 |
jmc |
1.1 |
& ' MDS_READ_FIELD: illegal value for arrType' |
312 |
jmc |
1.6 |
CALL PRINT_ERROR( msgBuf, myThid ) |
313 |
jmc |
1.10 |
CALL ALL_PROC_DIE( myThid ) |
314 |
jmc |
1.6 |
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
315 |
|
|
ENDIF |
316 |
jmc |
1.10 |
ELSE |
317 |
|
|
WRITE(msgBuf,'(A)') |
318 |
|
|
& ' MDS_READ_FIELD: illegal value for filePrec' |
319 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
320 |
|
|
CALL ALL_PROC_DIE( myThid ) |
321 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
322 |
jmc |
1.1 |
ENDIF |
323 |
|
|
|
324 |
|
|
ENDDO |
325 |
jmc |
1.3 |
c ENDDO k=kLo,kHi |
326 |
jmc |
1.1 |
|
327 |
|
|
IF ( iAmDoingIO ) THEN |
328 |
|
|
CLOSE( dUnit ) |
329 |
|
|
ENDIF |
330 |
|
|
|
331 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
332 |
|
|
C--- else .NOT.useSingleCpuIO |
333 |
|
|
ELSE |
334 |
|
|
|
335 |
jmc |
1.10 |
C Wait for all thread to finish. This prevents other threads to continue |
336 |
|
|
C to acces 3-D buffer while master thread is reading |
337 |
|
|
CALL BAR2( myThid ) |
338 |
|
|
|
339 |
jmc |
1.1 |
C Only do I/O if I am the master thread |
340 |
|
|
IF ( iAmDoingIO ) THEN |
341 |
|
|
|
342 |
|
|
C If we are reading from a global file then we open it here |
343 |
|
|
IF (globalFile) THEN |
344 |
jmc |
1.9 |
length_of_rec = MDS_RECLEN( filePrec, sNx, myThid ) |
345 |
jmc |
1.1 |
OPEN( dUnit, file=dataFName, status='old', |
346 |
|
|
& access='direct', recl=length_of_rec ) |
347 |
|
|
fileIsOpen=.TRUE. |
348 |
|
|
ENDIF |
349 |
|
|
|
350 |
|
|
C Loop over all tiles |
351 |
|
|
DO bj=1,nSy |
352 |
|
|
DO bi=1,nSx |
353 |
jmc |
1.10 |
bBij = sNx*sNy*nNz*( bi-1 + (bj-1)*nSx ) |
354 |
jmc |
1.1 |
|
355 |
jmc |
1.9 |
IF (globalFile) THEN |
356 |
|
|
C--- Case of 1 Global file: |
357 |
|
|
|
358 |
|
|
c IF (fileIsOpen) THEN |
359 |
jmc |
1.8 |
tNx = sNx |
360 |
jmc |
1.1 |
tNy = sNy |
361 |
jmc |
1.8 |
global_nTx = xSize/sNx |
362 |
|
|
tBx = myXGlobalLo-1 + (bi-1)*sNx |
363 |
|
|
tBy = myYGlobalLo-1 + (bj-1)*sNy |
364 |
|
|
iGjLoc = 0 |
365 |
|
|
jGjLoc = 1 |
366 |
jmc |
1.1 |
#ifdef ALLOW_EXCH2 |
367 |
jmc |
1.8 |
IF ( useExch2ioLayOut ) THEN |
368 |
|
|
tN = W2_myTileList(bi) |
369 |
|
|
c tNx = exch2_tNx(tN) |
370 |
|
|
c tNy = exch2_tNy(tN) |
371 |
|
|
c global_nTx = exch2_global_Nx/tNx |
372 |
|
|
tBx = exch2_txGlobalo(tN) - 1 |
373 |
|
|
tBy = exch2_tyGlobalo(tN) - 1 |
374 |
|
|
IF ( exch2_mydNx(tN) .GT. xSize ) THEN |
375 |
|
|
C- face x-size larger than glob-size : fold it |
376 |
|
|
iGjLoc = 0 |
377 |
|
|
jGjLoc = exch2_mydNx(tN) / xSize |
378 |
|
|
ELSEIF ( exch2_tNy(tN) .GT. ySize ) THEN |
379 |
|
|
C- tile y-size larger than glob-size : make a long line |
380 |
|
|
iGjLoc = exch2_mydNx(tN) |
381 |
|
|
jGjLoc = 0 |
382 |
|
|
ELSE |
383 |
|
|
C- default (face fit into global-IO-array) |
384 |
|
|
iGjLoc = 0 |
385 |
|
|
jGjLoc = 1 |
386 |
|
|
ENDIF |
387 |
jmc |
1.2 |
ENDIF |
388 |
jmc |
1.1 |
#endif /* ALLOW_EXCH2 */ |
389 |
jmc |
1.10 |
|
390 |
jmc |
1.3 |
DO k=kLo,kHi |
391 |
jmc |
1.1 |
DO j=1,tNy |
392 |
jmc |
1.9 |
irec = 1 + ( tBx + (j-1)*iGjLoc )/sNx |
393 |
|
|
& + ( tBy + (j-1)*jGjLoc )*global_nTx |
394 |
|
|
& +( k-kLo + (irecord-1)*nNz )*global_nTx*ySize |
395 |
jmc |
1.10 |
i1 = bBij + 1 + (j-1)*sNx + (k-kLo)*sNx*sNy |
396 |
|
|
i2 = bBij + j*sNx + (k-kLo)*sNx*sNy |
397 |
|
|
IF ( filePrec.EQ.precFloat32 ) THEN |
398 |
|
|
READ(dUnit,rec=irec) (shared3dBuf_r4(i),i=i1,i2) |
399 |
jmc |
1.1 |
ELSE |
400 |
jmc |
1.10 |
READ(dUnit,rec=irec) (shared3dBuf_r8(i),i=i1,i2) |
401 |
jmc |
1.1 |
ENDIF |
402 |
jmc |
1.10 |
C End of j,k loops |
403 |
jmc |
1.1 |
ENDDO |
404 |
|
|
ENDDO |
405 |
jmc |
1.9 |
|
406 |
jmc |
1.1 |
C end if fileIsOpen |
407 |
jmc |
1.9 |
c ENDIF |
408 |
|
|
|
409 |
|
|
ELSE |
410 |
|
|
C--- Case of 1 file per tile (globalFile=F): |
411 |
|
|
|
412 |
|
|
C If we are reading from a tiled MDS file then we open each one here |
413 |
|
|
iG=bi+(myXGlobalLo-1)/sNx |
414 |
|
|
jG=bj+(myYGlobalLo-1)/sNy |
415 |
|
|
WRITE(dataFName,'(2A,I3.3,A,I3.3,A)') |
416 |
|
|
& pfName(1:pIL),'.',iG,'.',jG,'.data' |
417 |
|
|
INQUIRE( file=dataFName, exist=exst ) |
418 |
|
|
C Of course, we only open the file if the tile is "active" |
419 |
|
|
C (This is a place-holder for the active/passive mechanism |
420 |
|
|
IF (exst) THEN |
421 |
|
|
IF ( debugLevel .GE. debLevA ) THEN |
422 |
|
|
WRITE(msgBuf,'(A,A)') |
423 |
|
|
& ' MDS_READ_FIELD: opening file: ',dataFName(1:pIL+13) |
424 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
425 |
|
|
& SQUEEZE_RIGHT , myThid) |
426 |
|
|
ENDIF |
427 |
jmc |
1.10 |
length_of_rec = MDS_RECLEN( filePrec, sNx*sNy*nNz, myThid ) |
428 |
jmc |
1.9 |
OPEN( dUnit, file=dataFName, status='old', |
429 |
|
|
& access='direct', recl=length_of_rec ) |
430 |
|
|
fileIsOpen=.TRUE. |
431 |
|
|
ELSE |
432 |
|
|
fileIsOpen=.FALSE. |
433 |
|
|
WRITE(msgBuf,'(4A)') ' MDS_READ_FIELD: filename: ', |
434 |
|
|
& fName(1:IL),' , ', dataFName(1:pIL+13) |
435 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
436 |
|
|
& SQUEEZE_RIGHT , myThid) |
437 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
438 |
|
|
WRITE(msgBuf,'(A)') |
439 |
|
|
& ' MDS_READ_FIELD: Files DO not exist' |
440 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
441 |
|
|
& SQUEEZE_RIGHT , myThid) |
442 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
443 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
444 |
|
|
ENDIF |
445 |
|
|
|
446 |
jmc |
1.10 |
irec = irecord |
447 |
|
|
i1 = bBij + 1 |
448 |
|
|
i2 = bBij + sNx*sNy*nNz |
449 |
|
|
IF ( filePrec.EQ.precFloat32 ) THEN |
450 |
|
|
READ(dUnit,rec=irec) (shared3dBuf_r4(i),i=i1,i2) |
451 |
|
|
ELSE |
452 |
|
|
READ(dUnit,rec=irec) (shared3dBuf_r8(i),i=i1,i2) |
453 |
|
|
ENDIF |
454 |
jmc |
1.9 |
|
455 |
|
|
C here We close the tiled MDS file |
456 |
|
|
IF ( fileIsOpen ) THEN |
457 |
jmc |
1.10 |
CLOSE( dUnit ) |
458 |
|
|
fileIsOpen = .FALSE. |
459 |
jmc |
1.9 |
ENDIF |
460 |
|
|
|
461 |
|
|
C--- End Global File / tile-file cases |
462 |
jmc |
1.1 |
ENDIF |
463 |
jmc |
1.9 |
|
464 |
jmc |
1.1 |
C End of bi,bj loops |
465 |
|
|
ENDDO |
466 |
|
|
ENDDO |
467 |
|
|
|
468 |
|
|
C If global file was opened then close it |
469 |
|
|
IF (fileIsOpen .AND. globalFile) THEN |
470 |
jmc |
1.10 |
CLOSE( dUnit ) |
471 |
|
|
fileIsOpen = .FALSE. |
472 |
|
|
ENDIF |
473 |
|
|
|
474 |
|
|
#ifdef _BYTESWAPIO |
475 |
|
|
IF ( filePrec.EQ.precFloat32 ) THEN |
476 |
|
|
CALL MDS_BYTESWAPR4( sNx*sNy*nNz*nSx*nSy, shared3dBuf_r4 ) |
477 |
|
|
ELSE |
478 |
|
|
CALL MDS_BYTESWAPR8( sNx*sNy*nNz*nSx*nSy, shared3dBuf_r8 ) |
479 |
jmc |
1.1 |
ENDIF |
480 |
jmc |
1.10 |
#endif |
481 |
jmc |
1.1 |
|
482 |
|
|
C- endif iAmDoingIO |
483 |
|
|
ENDIF |
484 |
|
|
|
485 |
jmc |
1.10 |
C All threads wait for Master to finish reading into shared buffer |
486 |
|
|
CALL BAR2( myThid ) |
487 |
|
|
|
488 |
|
|
C--- Copy from 3-D buffer to arr (multi-threads): |
489 |
|
|
IF ( filePrec.EQ.precFloat32 ) THEN |
490 |
|
|
IF ( arrType.EQ.'RS' ) THEN |
491 |
|
|
CALL MDS_PASS_R4toRS( shared3dBuf_r4, arr, |
492 |
|
|
I nNz, kLo, kSize, 0, 0, .TRUE., myThid ) |
493 |
|
|
ELSEIF ( arrType.EQ.'RL' ) THEN |
494 |
|
|
CALL MDS_PASS_R4toRL( shared3dBuf_r4, arr, |
495 |
|
|
I nNz, kLo, kSize, 0, 0, .TRUE., myThid ) |
496 |
|
|
ELSE |
497 |
|
|
WRITE(msgBuf,'(A)') |
498 |
|
|
& ' MDS_READ_FIELD: illegal value for arrType' |
499 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
500 |
|
|
CALL ALL_PROC_DIE( myThid ) |
501 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
502 |
|
|
ENDIF |
503 |
|
|
ELSEIF ( filePrec.EQ.precFloat64 ) THEN |
504 |
|
|
IF ( arrType.EQ.'RS' ) THEN |
505 |
|
|
CALL MDS_PASS_R8toRS( shared3dBuf_r8, arr, |
506 |
|
|
I nNz, kLo, kSize, 0, 0, .TRUE., myThid ) |
507 |
|
|
ELSEIF ( arrType.EQ.'RL' ) THEN |
508 |
|
|
CALL MDS_PASS_R8toRL( shared3dBuf_r8, arr, |
509 |
|
|
I nNz, kLo, kSize, 0, 0, .TRUE., myThid ) |
510 |
|
|
ELSE |
511 |
|
|
WRITE(msgBuf,'(A)') |
512 |
|
|
& ' MDS_READ_FIELD: illegal value for arrType' |
513 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
514 |
|
|
CALL ALL_PROC_DIE( myThid ) |
515 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
516 |
|
|
ENDIF |
517 |
|
|
ELSE |
518 |
|
|
WRITE(msgBuf,'(A)') |
519 |
|
|
& ' MDS_READ_FIELD: illegal value for filePrec' |
520 |
|
|
CALL PRINT_ERROR( msgBuf, myThid ) |
521 |
|
|
CALL ALL_PROC_DIE( myThid ) |
522 |
|
|
STOP 'ABNORMAL END: S/R MDS_READ_FIELD' |
523 |
|
|
ENDIF |
524 |
|
|
|
525 |
jmc |
1.1 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
526 |
|
|
C if useSingleCpuIO / else / end |
527 |
|
|
ENDIF |
528 |
|
|
|
529 |
|
|
RETURN |
530 |
|
|
END |