1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
|
/*@@
@file SetupGroup.c
@date Mon Feb 8 19:31:45 1999
@author Tom Goodale
@desc
Subroutines for setting up a group on a pGH.
@enddesc
@version $Id$
@@*/
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "pugh.h"
#include "pughi.h"
#include "cctk_Parameters.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION (CactusPUGH_PUGH_SetupGroup_c)
/********************************************************************
******************** Internal Routines ************************
********************************************************************/
static int PUGH_SetupGAGroup (pGH *newGH,
int *nsize,
int *ghostsize,
int gtype,
int vtype,
int dim,
int n_variables,
int vectorlength,
int staggercode,
int n_timelevels,
int vectorgroup);
/*@@
@routine PUGH_SetupGAGroup
@date January 19 2000
@author Gabrielle Allen
@desc
Set up a group of grid array variables on a pGH.
@enddesc
@calls CCTK_VarTypeSize
PUGH_SetupConnectivity
PUGH_SetupPGExtras
PUGH_SetupGArrayGroupComm
PUGH_SetupGArray
@var newGH
@vdesc Pointer to PUGH grid hierarchy
@vtype pGH *
@vio in
@endvar
@var nsize
@vdesc size dimensions for variables in this group
@vtype int *
@vio in
@endvar
@var ghostsize
@vdesc ghostsize dimensions for variables in this group
@vtype int *
@vio in
@endvar
@var gtype
@vdesc group type
@vtype int
@vio in
@endvar
@var vtype
@vdesc CCTK data type for variables in this group
@vtype int
@vio in
@endvar
@var dim
@vdesc number of dimensions for variables in this group
@vtype int
@vio in
@endvar
@var n_variables
@vdesc number of variables in this group
@vtype int
@vio in
@endvar
@var staggercode
@vdesc stagger code for variables in this group
@vtype int
@vio in
@endvar
@var n_timelevels
@vdesc number of timelevels in this group
@vtype int
@vio in
@endvar
@var vectorgroup
@vdesc is this a vector group ?
@vtype int
@vio in
@endvar
@returntype int
@returndesc
PUGH_SUCCESS (0) if successful, or
PUGH_ERRORMEMORY (negative) if memory allocation failed
@endreturndesc
@@*/
static int PUGH_SetupGAGroup (pGH *newGH,
int *nsize,
int *ghostsize,
int gtype,
int vtype,
int dim,
int n_variables,
int vectorlength,
int staggercode,
int n_timelevels,
int vectorgroup)
{
int i;
int variable;
int var_size;
int retval;
int level;
void ***temp;
pConnectivity *connectivity;
pGExtras *extras;
pComm *groupcomm;
int *perme;
int *nprocs;
retval = PUGH_SUCCESS;
var_size = CCTK_VarTypeSize (vtype);
if (gtype == CCTK_ARRAY || gtype == CCTK_SCALAR)
{
/* Arrays can't (yet) have periodicity and manual setup,
so initialize them to zero */
perme = calloc (dim, sizeof (int));
nprocs = calloc (dim, sizeof (int));
if (! (perme && nprocs))
{
CCTK_WARN (0, "Memory allocation error in PUGH_SetupGAGroup");
}
/* Check that there are enough grid points in this dimension
* to make parallelising it worthwhile
*/
for (i = 0 ; i < dim; i++)
{
if (abs (nsize[i]) <= 2*ghostsize[i])
{
nprocs[i] = 1;
}
}
connectivity = PUGH_SetupConnectivity (dim, newGH->nprocs, nprocs, perme);
extras = PUGH_SetupPGExtras (0, dim, perme, staggercode, nsize, ghostsize,
newGH->nprocs, connectivity->nprocs, newGH->myproc);
free (nprocs);
free (perme);
}
else
{
/* this is for CCTK_GF variables */
assert (dim > 0);
connectivity = newGH->Connectivity[dim-1];
extras = newGH->GFExtras[dim-1];
}
/* Set up the communication buffer used for all variables within this group.
Note: only with allocated buffers we can have group communication. */
groupcomm = NULL;
if(newGH->commmodel == PUGH_ALLOCATEDBUFFERS)
{
groupcomm = PUGH_SetupGArrayGroupComm (newGH,
dim,
newGH->nvariables,
n_variables,
0,
vtype,
extras);
}
temp = realloc (newGH->variables, (newGH->nvariables+n_variables) *
sizeof (void **));
if(temp)
{
newGH->variables = temp;
for (variable = 0; variable < n_variables; variable++)
{
newGH->variables[newGH->nvariables] = malloc (n_timelevels *
sizeof (void *));
if (newGH->variables[newGH->nvariables])
{
for (level = 0; level < n_timelevels; level++)
{
newGH->variables[newGH->nvariables][level] =
PUGH_SetupGArray (newGH,
extras,
connectivity,
groupcomm,
CCTK_VarName (newGH->nvariables),
newGH->nvariables,
newGH->narrays,
var_size,
vtype,
staggercode,
vectorlength,
variable%vectorlength,
variable%vectorlength > 0 ? newGH->variables[newGH->nvariables-variable%vectorlength][level] : NULL);
newGH->narrays++;
}
newGH->nvariables++;
}
else
{
retval = PUGH_ERRORMEMORY;
break;
}
}
}
else
{
retval = PUGH_ERRORMEMORY;
}
if (retval)
{
CCTK_WARN (1, "Memory allocation error in PUGH_SetupGAGroup");
}
return (retval);
}
/*@@
@routine PUGH_SetupGroup
@date Mon Feb 8 19:37:55 1999
@author Tom Goodale
@desc
Sets up a group on a pGH
@enddesc
@calls PUGH_SetupGAGroup
@var newGH
@vdesc Pointer to PUGH grid hierarchy
@vtype pGH *
@vio in
@endvar
@var nsize
@vdesc size dimensions for variables in this group
@vtype int *
@vio in
@endvar
@var ghostsize
@vdesc ghostsize dimensions for variables in this group
@vtype int *
@vio in
@endvar
@var gtype
@vdesc group type
@vtype int
@vio in
@endvar
@var vtype
@vdesc CCTK data type for variables in this group
@vtype int
@vio in
@endvar
@var dim
@vdesc number of dimensions for variables in this group
@vtype int
@vio in
@endvar
@var n_variables
@vdesc number of variables in this group
@vtype int
@vio in
@endvar
@var staggercode
@vdesc stagger code for variables in this group
@vtype int
@vio in
@endvar
@var n_timelevels
@vdesc number of timelevels in this group
@vtype int
@vio in
@endvar
@var vectorgroup
@vdesc is this a vector group ?
@vtype int
@vio in
@endvar
@returntype int
@returndesc
return code of @seeroutine PUGH_SetupGAGroup, or
PUGH_ERROR if invalid group type was passed in
@endreturndesc
@@*/
int PUGH_SetupGroup (pGH *newGH,
int *nsize,
int *nghostsize,
int gtype,
int vtype,
int dim,
int n_variables,
int vectorlength,
int staggercode,
int n_timelevels,
int vectorgroup)
{
int retval;
retval = PUGH_SetupGAGroup (newGH, nsize, nghostsize, gtype, vtype, dim,
n_variables, vectorlength, staggercode,
n_timelevels, vectorgroup);
return (retval);
}
|