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
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
|
#ifndef DIST_HH
#define DIST_HH
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <mpi.h>
#ifdef _OPENMP
# include <omp.h>
#endif
#include "cctk.h"
#include "defs.hh"
using namespace std;
namespace dist {
extern MPI_Comm comm_;
extern MPI_Datatype mpi_complex8;
extern MPI_Datatype mpi_complex16;
extern MPI_Datatype mpi_complex32;
extern int total_num_threads_;
void init (int& argc, char**& argv);
void pseudoinit (MPI_Comm const c);
void finalize ();
// Create MPI datatypes from C structures
struct mpi_struct_descr_t {
int blocklength;
MPI_Aint displacement;
MPI_Datatype type;
char const * field_name;
char const * type_name;
};
ostream& operator<< (ostream& os, mpi_struct_descr_t const& descr);
MPI_Datatype create_mpi_datatype (size_t const count,
mpi_struct_descr_t const descr[],
char const * name, size_t size);
#if 0
class generic_mpi_datatype_t {
string const type_name;
virtual size_t type_size() const = 0;
struct field_t {
size_t offset;
size_t count;
MPI_Datatype mpi_datatype;
string field_name;
string type_name;
field_t (size_t const offset_,
size_t const count_,
MPI_Datatype const mpi_datatype_,
string const field_name_,
string const type_name_)
: offset(offset_),
count(count_),
mpi_datatype(mpi_datatype_),
field_name(field_name_),
type_name(type_name_)
{
}
ostream& output (ostream& os) const;
};
friend ostream& operator<< (ostream& os,
generic_mpi_datatype_t::field_t const& field);
list<field_t> entries;
bool type_is_committed;
MPI_Datatype mpi_datatype;
public:
generic_mpi_datatype_t (string const type_name_);
template <typename U>
void add_field (size_t offset, size_t count, string field_name);
void commit ();
MPI_Datatype get () const
{
assert (type_is_committed);
return mpi_datatype;
}
ostream& output (ostream& os) const;
};
template <typename T>
class mpi_datatype_t: public generic_mpi_datatype_t {
virtual size_t type_size() const
{
return sizeof(T);
}
};
inline ostream& operator<< (ostream& os,
generic_mpi_datatype_t::field_t const& field)
{
return field.output(os);
}
inline ostream& operator<< (ostream& os, generic_mpi_datatype_t const& type)
{
return type.output(os);
}
#endif
// Debugging output
#define CHECKPOINT dist::checkpoint(__FILE__, __LINE__)
void checkpoint (const char* file, int line);
// Information about the communicator
// Return the communicator
inline MPI_Comm comm () CCTK_ATTRIBUTE_CONST;
inline MPI_Comm comm ()
{
return comm_;
}
// Always return a good communicator
inline MPI_Comm goodcomm () CCTK_ATTRIBUTE_CONST;
inline MPI_Comm goodcomm ()
{
return comm_ != MPI_COMM_NULL ? comm_ : MPI_COMM_WORLD;
}
// Rank in the communicator (this processor's number, 0 .. size-1)
inline int rank () CCTK_ATTRIBUTE_CONST;
inline int rank ()
{
static int rank_ = -1;
if (rank_ == -1) MPI_Comm_rank (comm(), &rank_);
return rank_;
}
// Size of the communicator
inline int size () CCTK_ATTRIBUTE_CONST;
inline int size ()
{
static int size_ = -1;
if (size_ == -1) MPI_Comm_size (comm(), &size_);
return size_;
}
// Set number of threads
void set_num_threads (int num_threads);
// Local number of threads
inline int num_threads () CCTK_ATTRIBUTE_CONST;
inline int num_threads ()
{
static int num_threads_ = -1;
if (num_threads_ == -1) {
#ifdef _OPENMP
num_threads_ = omp_get_max_threads();
#else
num_threads_ = 1;
#endif
assert (num_threads_ >= 1);
}
return num_threads_;
}
// Global number of threads
void collect_total_num_threads ();
inline int total_num_threads () CCTK_ATTRIBUTE_CONST;
inline int total_num_threads ()
{
return total_num_threads_;
}
/////////////////////////////////////////////////////////////////////////
// C Datatype helpers
// Map a C datatype to a 0-based index running up to c_ndatatypes().
/////////////////////////////////////////////////////////////////////////
inline unsigned int c_datatype (const char&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const char&)
{ return 0; }
inline unsigned int c_datatype (const signed char&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const signed char&)
{ return 1; }
inline unsigned int c_datatype (const unsigned char&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const unsigned char&)
{ return 2; }
inline unsigned int c_datatype (const short&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const short&)
{ return 3; }
inline unsigned int c_datatype (const unsigned short&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const unsigned short&)
{ return 4; }
inline unsigned int c_datatype (const int&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const int&)
{ return 5; }
inline unsigned int c_datatype (const unsigned int&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const unsigned int&)
{ return 6; }
inline unsigned int c_datatype (const long&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const long&)
{ return 7; }
inline unsigned int c_datatype (const unsigned long&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const unsigned long&)
{ return 8; }
inline unsigned int c_datatype (const long long&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const long long&)
{ return 9; }
inline unsigned int c_datatype (const unsigned long long&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const unsigned long long&)
{ return 10; }
inline unsigned int c_datatype (const float&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const float&)
{ return 11; }
inline unsigned int c_datatype (const double&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const double&)
{ return 12; }
inline unsigned int c_datatype (const long double&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const long double&)
{ return 13; }
#ifdef HAVE_CCTK_COMPLEX8
inline unsigned int c_datatype (const CCTK_COMPLEX8&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const CCTK_COMPLEX8&)
{ return 14; }
#endif
#ifdef HAVE_CCTK_COMPLEX16
inline unsigned int c_datatype (const CCTK_COMPLEX16&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const CCTK_COMPLEX16&)
{ return 15; }
#endif
#ifdef HAVE_CCTK_COMPLEX32
inline unsigned int c_datatype (const CCTK_COMPLEX32&) CCTK_ATTRIBUTE_CONST;
inline unsigned int c_datatype (const CCTK_COMPLEX32&)
{ return 16; }
#endif
// keep this function's return code consistent with functions above
inline unsigned int c_ndatatypes () CCTK_ATTRIBUTE_CONST;
inline unsigned int c_ndatatypes ()
{ return 17; }
template <typename T> unsigned int c_datatype () { abort(); }
template<> inline unsigned int c_datatype <char> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <char> () { return 0; }
template<> inline unsigned int c_datatype <signed char> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <signed char> () { return 1; }
template<> inline unsigned int c_datatype <unsigned char> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <unsigned char> () { return 2; }
template<> inline unsigned int c_datatype <short> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <short> () { return 3; }
template<> inline unsigned int c_datatype <unsigned short> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <unsigned short> () { return 4; }
template<> inline unsigned int c_datatype <int> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <int> () { return 5; }
template<> inline unsigned int c_datatype <unsigned int> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <unsigned int> () { return 6; }
template<> inline unsigned int c_datatype <long> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <long> () { return 7; }
template<> inline unsigned int c_datatype <unsigned long> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <unsigned long> () { return 8; }
template<> inline unsigned int c_datatype <long long> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <long long> () { return 9; }
template<> inline unsigned int c_datatype <unsigned long long> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <unsigned long long> () { return 10; }
template<> inline unsigned int c_datatype <float> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <float> () { return 11; }
template<> inline unsigned int c_datatype <double> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <double> () { return 12; }
template<> inline unsigned int c_datatype <long double> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <long double> () { return 13; }
#ifdef HAVE_CCTK_COMPLEX8
template<> inline unsigned int c_datatype <CCTK_COMPLEX8> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <CCTK_COMPLEX8> () { return 14; }
#endif
#ifdef HAVE_CCTK_COMPLEX16
template<> inline unsigned int c_datatype <CCTK_COMPLEX16> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <CCTK_COMPLEX16> () { return 15; }
#endif
#ifdef HAVE_CCTK_COMPLEX32
template<> inline unsigned int c_datatype <CCTK_COMPLEX32> () CCTK_ATTRIBUTE_CONST;
template<> inline unsigned int c_datatype <CCTK_COMPLEX32> () { return 16; }
#endif
// Map a C datatype index to a string
char const * c_datatype_name (unsigned type) CCTK_ATTRIBUTE_CONST;
/////////////////////////////////////////////////////////////////
// MPI Datatype helpers
// Map a C datatype to its corresponding MPI datatype.
/////////////////////////////////////////////////////////////////
inline MPI_Datatype mpi_datatype (const char&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const char&)
{ return MPI_CHAR; }
inline MPI_Datatype mpi_datatype (const signed char&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const signed char&)
{ return MPI_CHAR; }
inline MPI_Datatype mpi_datatype (const unsigned char&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const unsigned char&)
{ return MPI_UNSIGNED_CHAR; }
inline MPI_Datatype mpi_datatype (const short&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const short&)
{ return MPI_SHORT; }
inline MPI_Datatype mpi_datatype (const unsigned short&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const unsigned short&)
{ return MPI_UNSIGNED_SHORT; }
inline MPI_Datatype mpi_datatype (const int&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const int&)
{ return MPI_INT; }
inline MPI_Datatype mpi_datatype (const unsigned int&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const unsigned int&)
{ return MPI_UNSIGNED; }
inline MPI_Datatype mpi_datatype (const long&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const long&)
{ return MPI_LONG; }
inline MPI_Datatype mpi_datatype (const unsigned long&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const unsigned long&)
{ return MPI_UNSIGNED_LONG; }
inline MPI_Datatype mpi_datatype (const long long&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const long long&)
{ return MPI_LONG_LONG_INT; }
inline MPI_Datatype mpi_datatype (const unsigned long long&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const unsigned long long&)
{ return MPI_LONG_LONG_INT; } // should be unsigned, but this doesn't exist
inline MPI_Datatype mpi_datatype (const float&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const float&)
{ return MPI_FLOAT; }
inline MPI_Datatype mpi_datatype (const double&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const double&)
{ return MPI_DOUBLE; }
inline MPI_Datatype mpi_datatype (const long double&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const long double&)
{ return MPI_LONG_DOUBLE; }
#ifdef HAVE_CCTK_COMPLEX8
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX8&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX8&)
{ return mpi_complex8; }
#endif
#ifdef HAVE_CCTK_COMPLEX16
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX16&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX16&)
{ return mpi_complex16; }
#endif
#ifdef HAVE_CCTK_COMPLEX32
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX32&) CCTK_ATTRIBUTE_CONST;
inline MPI_Datatype mpi_datatype (const CCTK_COMPLEX32&)
{ return mpi_complex32; }
#endif
template <typename T> MPI_Datatype mpi_datatype () { abort(); }
template<> inline MPI_Datatype mpi_datatype <char> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <char> () { return MPI_CHAR; }
template<> inline MPI_Datatype mpi_datatype <signed char> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <signed char> () { return MPI_CHAR; }
template<> inline MPI_Datatype mpi_datatype <unsigned char> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <unsigned char> () { return MPI_UNSIGNED_CHAR; }
template<> inline MPI_Datatype mpi_datatype <short> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <short> () { return MPI_SHORT; }
template<> inline MPI_Datatype mpi_datatype <unsigned short> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <unsigned short> () { return MPI_UNSIGNED_SHORT; }
template<> inline MPI_Datatype mpi_datatype <int> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <int> () { return MPI_INT; }
template<> inline MPI_Datatype mpi_datatype <unsigned int> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <unsigned int> () { return MPI_UNSIGNED; }
template<> inline MPI_Datatype mpi_datatype <long> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <long> () { return MPI_LONG; }
template<> inline MPI_Datatype mpi_datatype <unsigned long> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <unsigned long> () { return MPI_UNSIGNED_LONG; }
template<> inline MPI_Datatype mpi_datatype <long long> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <long long> () { return MPI_LONG_LONG_INT; }
template<> inline MPI_Datatype mpi_datatype <unsigned long long> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <unsigned long long> () { return MPI_LONG_LONG_INT; } // should be unsigned, but this doesn't exist
template<> inline MPI_Datatype mpi_datatype <float> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <float> () { return MPI_FLOAT; }
template<> inline MPI_Datatype mpi_datatype <double> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <double> () { return MPI_DOUBLE; }
template<> inline MPI_Datatype mpi_datatype <long double> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <long double> () { return MPI_LONG_DOUBLE; }
#ifdef HAVE_CCTK_COMPLEX8
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX8> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX8> () { return mpi_complex8; }
#endif
#ifdef HAVE_CCTK_COMPLEX16
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX16> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX16> () { return mpi_complex16; }
#endif
#ifdef HAVE_CCTK_COMPLEX32
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX32> () CCTK_ATTRIBUTE_CONST;
template<> inline MPI_Datatype mpi_datatype <CCTK_COMPLEX32> () { return mpi_complex32; }
#endif
} // namespace dist
#endif // DIST_HH
|
