| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/mdsio/mdsio_read_whalos.F,v 1.7 2011/06/23 22:11:07 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "MDSIO_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: mds_read_whalos |
| 8 |
C !INTERFACE: |
| 9 |
subroutine mds_read_whalos( |
| 10 |
I fName, |
| 11 |
I len, |
| 12 |
I filePrec, |
| 13 |
I fid, |
| 14 |
I n2d, |
| 15 |
O fldRL, |
| 16 |
I irec, |
| 17 |
I locSingleCPUIO, |
| 18 |
I locBufferIO, |
| 19 |
I mythid |
| 20 |
& ) |
| 21 |
|
| 22 |
C !DESCRIPTION: \bv |
| 23 |
c ================================================================== |
| 24 |
c SUBROUTINE mds_read_whalos |
| 25 |
c ================================================================== |
| 26 |
c o Read file that includes halos. The main purpose is for |
| 27 |
c adjoint related "tape I/O". The secondary purpose is debugging. |
| 28 |
c ================================================================== |
| 29 |
c SUBROUTINE mds_read_whalos |
| 30 |
c ================================================================== |
| 31 |
C \ev |
| 32 |
|
| 33 |
C !USES: |
| 34 |
implicit none |
| 35 |
|
| 36 |
c == global variables == |
| 37 |
#include "EEPARAMS.h" |
| 38 |
#include "SIZE.h" |
| 39 |
#include "PARAMS.h" |
| 40 |
#ifdef ALLOW_WHIO |
| 41 |
#include "MDSIO_BUFF_WH.h" |
| 42 |
#endif |
| 43 |
|
| 44 |
C !INPUT/OUTPUT PARAMETERS: |
| 45 |
c == routine arguments == |
| 46 |
c fName - extended tape fName. |
| 47 |
c len - number of characters in fName. |
| 48 |
c filePrec - number of bits per word in file (32 or 64). |
| 49 |
c fid - file unit (its use is not implemented yet). |
| 50 |
C n2d - size of the fldRL third dimension. |
| 51 |
c fldRL - array to read. |
| 52 |
c irec - record number to be written. |
| 53 |
c mythid - number of the thread or instance of the program. |
| 54 |
|
| 55 |
integer mythid |
| 56 |
character*(*) fName |
| 57 |
integer len |
| 58 |
integer fid |
| 59 |
integer filePrec |
| 60 |
integer n2d |
| 61 |
integer irec |
| 62 |
_RL fldRL(1-Olx:sNx+Olx,1-Oly:sNy+Oly,n2d,nSx,nSy) |
| 63 |
logical locSingleCPUIO, locBufferIO |
| 64 |
CEOP |
| 65 |
|
| 66 |
#ifdef ALLOW_WHIO |
| 67 |
C !LOCAL VARIABLES: |
| 68 |
c == local variables == |
| 69 |
|
| 70 |
C sNxWh :: x tile size with halo included |
| 71 |
C sNyWh :: y tile size with halo included |
| 72 |
C pocNyWh :: processor sum of sNyWh |
| 73 |
C gloNyWh :: global sum of sNyWh |
| 74 |
INTEGER sNxWh |
| 75 |
INTEGER sNyWh |
| 76 |
INTEGER procNyWh |
| 77 |
INTEGER gloNyWh |
| 78 |
PARAMETER ( sNxWh = sNx+2*Olx ) |
| 79 |
PARAMETER ( sNyWh = sNy+2*Oly ) |
| 80 |
PARAMETER ( procNyWh = sNyWh*nSy*nSx ) |
| 81 |
PARAMETER ( gloNyWh = procNyWh*nPy*nPx ) |
| 82 |
|
| 83 |
character*(MAX_LEN_FNAM) pfName |
| 84 |
character*(MAX_LEN_MBUF) msgBuf |
| 85 |
integer IL |
| 86 |
integer bx,by |
| 87 |
|
| 88 |
integer lengthBuff, length_of_rec |
| 89 |
integer i2d, i3d |
| 90 |
integer i,j,k,bi,bj,ii |
| 91 |
integer dUnit, irec2d |
| 92 |
LOGICAL iAmDoingIO |
| 93 |
cph( |
| 94 |
#ifdef INTEL_COMMITQQ |
| 95 |
cph Fix on Pleiades following model crashes on disk /nobackupnfs2/ |
| 96 |
cph reported by Yoshihiro.Nakayama@jpl.nasa.gov |
| 97 |
cph forrtl: Device or resource busy |
| 98 |
cph forrtl: severe (39): error during read, unit 1001, file |
| 99 |
cph Workaround by NAS engineer Sherry.Chang@nasa.gov |
| 100 |
logical results, commitqq |
| 101 |
#endif |
| 102 |
cph) |
| 103 |
|
| 104 |
|
| 105 |
_RL fld2d(1:sNxWh,1:sNyWh,nSx,nSy) |
| 106 |
|
| 107 |
c == functions == |
| 108 |
INTEGER ILNBLNK |
| 109 |
INTEGER MDS_RECLEN |
| 110 |
EXTERNAL ILNBLNK |
| 111 |
EXTERNAL MDS_RECLEN |
| 112 |
|
| 113 |
c == end of interface == |
| 114 |
|
| 115 |
#ifdef ALLOW_WHIO_3D |
| 116 |
writeWh=.FALSE. |
| 117 |
#endif |
| 118 |
|
| 119 |
IF ( .NOT.locSingleCpuIO ) then |
| 120 |
lengthBuff=sNxWh*procNyWh |
| 121 |
ELSE |
| 122 |
lengthBuff=sNxWh*gloNyWh |
| 123 |
ENDIF |
| 124 |
|
| 125 |
C Only do I/O if I am the master thread (and mpi process 0 IF locSingleCpuIO): |
| 126 |
iAmDoingIO = .FALSE. |
| 127 |
IF ( .NOT.locSingleCpuIO .OR. myProcId.EQ.0 ) THEN |
| 128 |
_BEGIN_MASTER( myThid ) |
| 129 |
iAmDoingIO = .TRUE. |
| 130 |
_END_MASTER( myThid ) |
| 131 |
ENDIF |
| 132 |
|
| 133 |
IF ( iAmDoingIO ) THEN |
| 134 |
c get the unit and open file |
| 135 |
IL = ILNBLNK( fName ) |
| 136 |
IF ( .NOT.locSingleCpuIO ) THEN |
| 137 |
WRITE(pfName,'(2A,I3.3,A)') fName(1:IL),'.',myProcId,'.data' |
| 138 |
length_of_rec = MDS_RECLEN( filePrec,sNxWh*procNyWh, myThid ) |
| 139 |
ELSE |
| 140 |
WRITE(pfName,'(2A)') fName(1:IL),'.data' |
| 141 |
length_of_rec = MDS_RECLEN( filePrec,sNxWh*gloNyWh,myThid) |
| 142 |
ENDIF |
| 143 |
IF (fid.EQ.0) THEN |
| 144 |
CALL MDSFINDUNIT( dUnit, myThid ) |
| 145 |
OPEN( dUnit, file=pfName, status='old', |
| 146 |
& access='direct', recl=length_of_rec ) |
| 147 |
ELSE |
| 148 |
dUnit=fid |
| 149 |
ENDIF |
| 150 |
ENDIF |
| 151 |
|
| 152 |
cph( |
| 153 |
cph NAS Pleiades fix here: |
| 154 |
#ifdef INTEL_COMMITQQ |
| 155 |
results = commitqq(dUnit) |
| 156 |
#endif |
| 157 |
cph) |
| 158 |
|
| 159 |
do i2d=1,n2d |
| 160 |
|
| 161 |
_BARRIER |
| 162 |
#ifdef ALLOW_WHIO_3D |
| 163 |
IF ( iAmDoingIO.AND.locBufferIO.AND.(fid.NE.0) ) THEN |
| 164 |
c reset counter if needed |
| 165 |
IF (jWh.EQ.nWh) jWh=0 |
| 166 |
c increment counter |
| 167 |
jWh=jWh+1 |
| 168 |
c determine current file record |
| 169 |
irec2d=i2d+n2d*(irec-1) |
| 170 |
iWh=(irec2d-1)/nWh+1 |
| 171 |
c read new chunk if needed |
| 172 |
IF (jWh.EQ.1) THEN |
| 173 |
IF ( .NOT.locSingleCpuIO ) then |
| 174 |
IF (filePrec .EQ. precFloat32) THEN |
| 175 |
READ(dUnit,rec=iWh) fld3d_procbuff_r4 |
| 176 |
ELSE |
| 177 |
READ(dUnit,rec=iWh) fld3d_procbuff_r8 |
| 178 |
ENDIF |
| 179 |
ELSE |
| 180 |
# ifdef INCLUDE_WHIO_GLOBUFF_3D |
| 181 |
IF (filePrec .EQ. precFloat32) THEN |
| 182 |
READ(dUnit,rec=iWh) fld3d_globuff_r4 |
| 183 |
ELSE |
| 184 |
READ(dUnit,rec=iWh) fld3d_globuff_r8 |
| 185 |
ENDIF |
| 186 |
# endif |
| 187 |
ENDIF |
| 188 |
ENDIF |
| 189 |
c copy |
| 190 |
DO i=1,lengthBuff |
| 191 |
j=(jWh-1)*lengthBuff+i |
| 192 |
IF ( .NOT.locSingleCpuIO ) then |
| 193 |
IF (filePrec .EQ. precFloat32) THEN |
| 194 |
fld2d_procbuff_r4(i)=fld3d_procbuff_r4(j) |
| 195 |
ELSE |
| 196 |
fld2d_procbuff_r8(i)=fld3d_procbuff_r8(j) |
| 197 |
ENDIF |
| 198 |
ELSE |
| 199 |
# ifdef INCLUDE_WHIO_GLOBUFF_3D |
| 200 |
IF (filePrec .EQ. precFloat32) THEN |
| 201 |
fld2d_globuff_r4(i)=fld3d_globuff_r4(j) |
| 202 |
ELSE |
| 203 |
fld2d_globuff_r8(i)=fld3d_globuff_r8(j) |
| 204 |
ENDIF |
| 205 |
# endif |
| 206 |
ENDIF |
| 207 |
ENDDO |
| 208 |
|
| 209 |
ELSEIF ( iAmDoingIO ) THEN |
| 210 |
#else |
| 211 |
IF ( iAmDoingIO ) THEN |
| 212 |
#endif |
| 213 |
irec2d=i2d+n2d*(irec-1) |
| 214 |
IF ( .NOT.locSingleCpuIO ) then |
| 215 |
IF (filePrec .EQ. precFloat32) THEN |
| 216 |
READ(dUnit,rec=irec2d) fld2d_procbuff_r4 |
| 217 |
ELSE |
| 218 |
READ(dUnit,rec=irec2d) fld2d_procbuff_r8 |
| 219 |
ENDIF |
| 220 |
ELSE |
| 221 |
# ifndef EXCLUDE_WHIO_GLOBUFF_2D |
| 222 |
IF (filePrec .EQ. precFloat32) THEN |
| 223 |
READ(dUnit,rec=irec2d) fld2d_globuff_r4 |
| 224 |
ELSE |
| 225 |
READ(dUnit,rec=irec2d) fld2d_globuff_r8 |
| 226 |
ENDIF |
| 227 |
# endif |
| 228 |
ENDIF |
| 229 |
ENDIF |
| 230 |
_BARRIER |
| 231 |
|
| 232 |
IF (filePrec .EQ. precFloat32) THEN |
| 233 |
IF ( locSingleCpuIO ) then |
| 234 |
# ifndef EXCLUDE_WHIO_GLOBUFF_2D |
| 235 |
CALL SCATTER_2D_WH_R4 ( fld2d_globuff_r4, |
| 236 |
& fld2d_procbuff_r4,myThid) |
| 237 |
# endif |
| 238 |
CALL BAR2( myThid ) |
| 239 |
ENDIF |
| 240 |
CALL MDS_PASS_R4toRL( fld2d_procbuff_r4, fldRL, |
| 241 |
& OLx, OLy, 1, i2d, n2d, 0, 0, .TRUE., myThid ) |
| 242 |
ELSE |
| 243 |
IF ( locSingleCpuIO ) then |
| 244 |
# ifndef EXCLUDE_WHIO_GLOBUFF_2D |
| 245 |
CALL SCATTER_2D_WH_R8 ( fld2d_globuff_r8, |
| 246 |
& fld2d_procbuff_r8,myThid) |
| 247 |
# endif |
| 248 |
CALL BAR2( myThid ) |
| 249 |
ENDIF |
| 250 |
CALL MDS_PASS_R8toRL( fld2d_procbuff_r8, fldRL, |
| 251 |
& OLx, OLy, 1, i2d, n2d, 0, 0, .TRUE., myThid ) |
| 252 |
ENDIF |
| 253 |
|
| 254 |
enddo |
| 255 |
|
| 256 |
IF ( iAmDoingIO.AND.(fid.EQ.0) ) THEN |
| 257 |
CLOSE( dUnit ) |
| 258 |
ENDIF |
| 259 |
|
| 260 |
#endif |
| 261 |
|
| 262 |
RETURN |
| 263 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph