3 /* smpi_mpi_dt.c -- MPI primitives to handle datatypes */
5 /* Note: a very incomplete implementation */
7 /* Copyright (c) 2009 Stephane Genaud. */
8 /* All rights reserved. */
10 /* This program is free software; you can redistribute it and/or modify it
11 * * under the terms of the license (GNU LGPL) which comes with this package. */
19 #include "smpi_mpi_dt_private.h"
21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi_dt, smpi,
22 "Logging specific to SMPI (datatype)");
24 typedef struct s_smpi_mpi_datatype {
29 } s_smpi_mpi_datatype_t;
31 #define CREATE_MPI_DATATYPE(name, type) \
32 static s_smpi_mpi_datatype_t mpi_##name = { \
33 sizeof(type), /* size */ \
35 sizeof(type), /* ub = lb + size */ \
36 DT_FLAG_BASIC /* flags */ \
38 MPI_Datatype name = &mpi_##name;
41 //The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC.
42 typedef struct { float value; int index;} float_int;
43 typedef struct { long value; int index;} long_int ;
44 typedef struct { double value; int index;} double_int;
45 typedef struct { short value; int index;} short_int;
46 typedef struct { int value; int index;} int_int;
47 typedef struct { long double value; int index;} long_double_int;
49 // Predefined data types
50 CREATE_MPI_DATATYPE(MPI_CHAR, char);
51 CREATE_MPI_DATATYPE(MPI_SHORT, short);
52 CREATE_MPI_DATATYPE(MPI_INT, int);
53 CREATE_MPI_DATATYPE(MPI_LONG, long);
54 CREATE_MPI_DATATYPE(MPI_LONG_LONG, long long);
55 CREATE_MPI_DATATYPE(MPI_SIGNED_CHAR, signed char);
56 CREATE_MPI_DATATYPE(MPI_UNSIGNED_CHAR, unsigned char);
57 CREATE_MPI_DATATYPE(MPI_UNSIGNED_SHORT, unsigned short);
58 CREATE_MPI_DATATYPE(MPI_UNSIGNED, unsigned int);
59 CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG, unsigned long);
60 CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG_LONG, unsigned long long);
61 CREATE_MPI_DATATYPE(MPI_FLOAT, float);
62 CREATE_MPI_DATATYPE(MPI_DOUBLE, double);
63 CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE, long double);
64 CREATE_MPI_DATATYPE(MPI_WCHAR, wchar_t);
65 CREATE_MPI_DATATYPE(MPI_C_BOOL, _Bool);
66 CREATE_MPI_DATATYPE(MPI_INT8_T, int8_t);
67 CREATE_MPI_DATATYPE(MPI_INT16_T, int16_t);
68 CREATE_MPI_DATATYPE(MPI_INT32_T, int32_t);
69 CREATE_MPI_DATATYPE(MPI_INT64_T, int64_t);
70 CREATE_MPI_DATATYPE(MPI_UINT8_T, uint8_t);
71 CREATE_MPI_DATATYPE(MPI_UINT16_T, uint16_t);
72 CREATE_MPI_DATATYPE(MPI_UINT32_T, uint32_t);
73 CREATE_MPI_DATATYPE(MPI_UINT64_T, uint64_t);
74 CREATE_MPI_DATATYPE(MPI_C_FLOAT_COMPLEX, float _Complex);
75 CREATE_MPI_DATATYPE(MPI_C_DOUBLE_COMPLEX, double _Complex);
76 CREATE_MPI_DATATYPE(MPI_C_LONG_DOUBLE_COMPLEX, long double _Complex);
77 CREATE_MPI_DATATYPE(MPI_AINT, MPI_Aint);
78 CREATE_MPI_DATATYPE(MPI_OFFSET, MPI_Offset);
80 CREATE_MPI_DATATYPE(MPI_FLOAT_INT, float_int);
83 size_t smpi_datatype_size(MPI_Datatype datatype) {
84 return datatype->size;
87 MPI_Aint smpi_datatype_lb(MPI_Datatype datatype) {
91 MPI_Aint smpi_datatype_ub(MPI_Datatype datatype) {
95 int smpi_datatype_extent(MPI_Datatype datatype, MPI_Aint* lb, MPI_Aint * extent) {
98 if((datatype->flags & DT_FLAG_COMMITED) != DT_FLAG_COMMITED) {
99 retval = MPI_ERR_TYPE;
102 *extent = datatype->ub - datatype->lb;
103 retval = MPI_SUCCESS;
108 int smpi_datatype_copy(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype) {
111 /* First check if we really have something to do */
113 retval = sendcount == 0 ? MPI_SUCCESS : MPI_ERR_TRUNCATE;
114 } else if(sendtype == recvtype) {
115 /* If same datatypes used, just copy. */
116 count = sendcount < recvcount ? sendcount : recvcount;
117 memcpy(recvbuf, sendbuf, smpi_datatype_size(sendtype) * count);
118 retval = sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS;
121 * - If receive packed.
123 * to be treated once we have the MPI_Pack things ...
125 retval = MPI_SUCCESS;
130 typedef struct s_smpi_mpi_op {
131 MPI_User_function* func;
134 #define MAX_OP(a, b) (b) = (a) < (b) ? (b) : (a)
135 #define MIN_OP(a, b) (b) = (a) < (b) ? (a) : (b)
136 #define SUM_OP(a, b) (b) += (a)
137 #define PROD_OP(a, b) (b) *= (a)
138 #define LAND_OP(a, b) (b) = (a) && (b)
139 #define LOR_OP(a, b) (b) = (a) || (b)
140 #define LXOR_OP(a, b) (b) = (!(a) && (b)) || ((a) && !(b))
141 #define BAND_OP(a, b) (b) &= (a)
142 #define BOR_OP(a, b) (b) |= (a)
143 #define BXOR_OP(a, b) (b) ^= (a)
144 #define MAXLOC_OP(a, b) (b) = (a.value) < (b.value) ? (b) : (a)
145 #define MINLOC_OP(a, b) (b) = (a.value) < (b.value) ? (a) : (b)
146 //TODO : MINLOC & MAXLOC
148 #define APPLY_FUNC(a, b, length, type, func) \
151 type* x = (type*)(a); \
152 type* y = (type*)(b); \
153 for(i = 0; i < *(length); i++) { \
158 static void max_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
159 if(*datatype == MPI_SHORT) {
160 APPLY_FUNC(a, b, length, short, MAX_OP);
161 } else if(*datatype == MPI_INT) {
162 APPLY_FUNC(a, b, length, int, MAX_OP);
163 } else if(*datatype == MPI_LONG) {
164 APPLY_FUNC(a, b, length, long, MAX_OP);
165 } else if(*datatype == MPI_UNSIGNED_SHORT) {
166 APPLY_FUNC(a, b, length, unsigned short, MAX_OP);
167 } else if(*datatype == MPI_UNSIGNED) {
168 APPLY_FUNC(a, b, length, unsigned int, MAX_OP);
169 } else if(*datatype == MPI_UNSIGNED_LONG) {
170 APPLY_FUNC(a, b, length, unsigned long, MAX_OP);
171 } else if(*datatype == MPI_FLOAT) {
172 APPLY_FUNC(a, b, length, float, MAX_OP);
173 } else if(*datatype == MPI_DOUBLE) {
174 APPLY_FUNC(a, b, length, double, MAX_OP);
175 } else if(*datatype == MPI_LONG_DOUBLE) {
176 APPLY_FUNC(a, b, length, long double, MAX_OP);
180 static void min_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
181 if(*datatype == MPI_SHORT) {
182 APPLY_FUNC(a, b, length, short, MIN_OP);
183 } else if(*datatype == MPI_INT) {
184 APPLY_FUNC(a, b, length, int, MIN_OP);
185 } else if(*datatype == MPI_LONG) {
186 APPLY_FUNC(a, b, length, long, MIN_OP);
187 } else if(*datatype == MPI_UNSIGNED_SHORT) {
188 APPLY_FUNC(a, b, length, unsigned short, MIN_OP);
189 } else if(*datatype == MPI_UNSIGNED) {
190 APPLY_FUNC(a, b, length, unsigned int, MIN_OP);
191 } else if(*datatype == MPI_UNSIGNED_LONG) {
192 APPLY_FUNC(a, b, length, unsigned long, MIN_OP);
193 } else if(*datatype == MPI_FLOAT) {
194 APPLY_FUNC(a, b, length, float, MIN_OP);
195 } else if(*datatype == MPI_DOUBLE) {
196 APPLY_FUNC(a, b, length, double, MIN_OP);
197 } else if(*datatype == MPI_LONG_DOUBLE) {
198 APPLY_FUNC(a, b, length, long double, MIN_OP);
202 static void sum_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
203 if(*datatype == MPI_SHORT) {
204 APPLY_FUNC(a, b, length, short, SUM_OP);
205 } else if(*datatype == MPI_INT) {
206 APPLY_FUNC(a, b, length, int, SUM_OP);
207 } else if(*datatype == MPI_LONG) {
208 APPLY_FUNC(a, b, length, long, SUM_OP);
209 } else if(*datatype == MPI_UNSIGNED_SHORT) {
210 APPLY_FUNC(a, b, length, unsigned short, SUM_OP);
211 } else if(*datatype == MPI_UNSIGNED) {
212 APPLY_FUNC(a, b, length, unsigned int, SUM_OP);
213 } else if(*datatype == MPI_UNSIGNED_LONG) {
214 APPLY_FUNC(a, b, length, unsigned long, SUM_OP);
215 } else if(*datatype == MPI_FLOAT) {
216 APPLY_FUNC(a, b, length, float, SUM_OP);
217 } else if(*datatype == MPI_DOUBLE) {
218 APPLY_FUNC(a, b, length, double, SUM_OP);
219 } else if(*datatype == MPI_LONG_DOUBLE) {
220 APPLY_FUNC(a, b, length, long double, SUM_OP);
221 } else if(*datatype == MPI_C_FLOAT_COMPLEX) {
222 APPLY_FUNC(a, b, length, float _Complex, SUM_OP);
223 } else if(*datatype == MPI_C_DOUBLE_COMPLEX) {
224 APPLY_FUNC(a, b, length, double _Complex, SUM_OP);
225 } else if(*datatype == MPI_C_LONG_DOUBLE_COMPLEX) {
226 APPLY_FUNC(a, b, length, long double _Complex, SUM_OP);
230 static void prod_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
231 if(*datatype == MPI_SHORT) {
232 APPLY_FUNC(a, b, length, short, PROD_OP);
233 } else if(*datatype == MPI_INT) {
234 APPLY_FUNC(a, b, length, int, PROD_OP);
235 } else if(*datatype == MPI_LONG) {
236 APPLY_FUNC(a, b, length, long, PROD_OP);
237 } else if(*datatype == MPI_UNSIGNED_SHORT) {
238 APPLY_FUNC(a, b, length, unsigned short, PROD_OP);
239 } else if(*datatype == MPI_UNSIGNED) {
240 APPLY_FUNC(a, b, length, unsigned int, PROD_OP);
241 } else if(*datatype == MPI_UNSIGNED_LONG) {
242 APPLY_FUNC(a, b, length, unsigned long, PROD_OP);
243 } else if(*datatype == MPI_FLOAT) {
244 APPLY_FUNC(a, b, length, float, PROD_OP);
245 } else if(*datatype == MPI_DOUBLE) {
246 APPLY_FUNC(a, b, length, double, PROD_OP);
247 } else if(*datatype == MPI_LONG_DOUBLE) {
248 APPLY_FUNC(a, b, length, long double, PROD_OP);
249 } else if(*datatype == MPI_C_FLOAT_COMPLEX) {
250 APPLY_FUNC(a, b, length, float _Complex, PROD_OP);
251 } else if(*datatype == MPI_C_DOUBLE_COMPLEX) {
252 APPLY_FUNC(a, b, length, double _Complex, PROD_OP);
253 } else if(*datatype == MPI_C_LONG_DOUBLE_COMPLEX) {
254 APPLY_FUNC(a, b, length, long double _Complex, PROD_OP);
258 static void land_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
259 if(*datatype == MPI_SHORT) {
260 APPLY_FUNC(a, b, length, short, LAND_OP);
261 } else if(*datatype == MPI_INT) {
262 APPLY_FUNC(a, b, length, int, LAND_OP);
263 } else if(*datatype == MPI_LONG) {
264 APPLY_FUNC(a, b, length, long, LAND_OP);
265 } else if(*datatype == MPI_UNSIGNED_SHORT) {
266 APPLY_FUNC(a, b, length, unsigned short, LAND_OP);
267 } else if(*datatype == MPI_UNSIGNED) {
268 APPLY_FUNC(a, b, length, unsigned int, LAND_OP);
269 } else if(*datatype == MPI_UNSIGNED_LONG) {
270 APPLY_FUNC(a, b, length, unsigned long, LAND_OP);
271 } else if(*datatype == MPI_C_BOOL) {
272 APPLY_FUNC(a, b, length, _Bool, LAND_OP);
276 static void lor_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
277 if(*datatype == MPI_SHORT) {
278 APPLY_FUNC(a, b, length, short, LOR_OP);
279 } else if(*datatype == MPI_INT) {
280 APPLY_FUNC(a, b, length, int, LOR_OP);
281 } else if(*datatype == MPI_LONG) {
282 APPLY_FUNC(a, b, length, long, LOR_OP);
283 } else if(*datatype == MPI_UNSIGNED_SHORT) {
284 APPLY_FUNC(a, b, length, unsigned short, LOR_OP);
285 } else if(*datatype == MPI_UNSIGNED) {
286 APPLY_FUNC(a, b, length, unsigned int, LOR_OP);
287 } else if(*datatype == MPI_UNSIGNED_LONG) {
288 APPLY_FUNC(a, b, length, unsigned long, LOR_OP);
289 } else if(*datatype == MPI_C_BOOL) {
290 APPLY_FUNC(a, b, length, _Bool, LOR_OP);
294 static void lxor_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
295 if(*datatype == MPI_SHORT) {
296 APPLY_FUNC(a, b, length, short, LXOR_OP);
297 } else if(*datatype == MPI_INT) {
298 APPLY_FUNC(a, b, length, int, LXOR_OP);
299 } else if(*datatype == MPI_LONG) {
300 APPLY_FUNC(a, b, length, long, LXOR_OP);
301 } else if(*datatype == MPI_UNSIGNED_SHORT) {
302 APPLY_FUNC(a, b, length, unsigned short, LXOR_OP);
303 } else if(*datatype == MPI_UNSIGNED) {
304 APPLY_FUNC(a, b, length, unsigned int, LXOR_OP);
305 } else if(*datatype == MPI_UNSIGNED_LONG) {
306 APPLY_FUNC(a, b, length, unsigned long, LXOR_OP);
307 } else if(*datatype == MPI_C_BOOL) {
308 APPLY_FUNC(a, b, length, _Bool, LXOR_OP);
312 static void band_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
313 if(*datatype == MPI_SHORT) {
314 APPLY_FUNC(a, b, length, short, BAND_OP);
315 } else if(*datatype == MPI_INT) {
316 APPLY_FUNC(a, b, length, int, BAND_OP);
317 } else if(*datatype == MPI_LONG) {
318 APPLY_FUNC(a, b, length, long, BAND_OP);
319 } else if(*datatype == MPI_UNSIGNED_SHORT) {
320 APPLY_FUNC(a, b, length, unsigned short, BAND_OP);
321 } else if(*datatype == MPI_UNSIGNED) {
322 APPLY_FUNC(a, b, length, unsigned int, BAND_OP);
323 } else if(*datatype == MPI_UNSIGNED_LONG) {
324 APPLY_FUNC(a, b, length, unsigned long, BAND_OP);
325 } else if(*datatype == MPI_BYTE) {
326 APPLY_FUNC(a, b, length, uint8_t, BAND_OP);
330 static void bor_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
331 if(*datatype == MPI_SHORT) {
332 APPLY_FUNC(a, b, length, short, BOR_OP);
333 } else if(*datatype == MPI_INT) {
334 APPLY_FUNC(a, b, length, int, BOR_OP);
335 } else if(*datatype == MPI_LONG) {
336 APPLY_FUNC(a, b, length, long, BOR_OP);
337 } else if(*datatype == MPI_UNSIGNED_SHORT) {
338 APPLY_FUNC(a, b, length, unsigned short, BOR_OP);
339 } else if(*datatype == MPI_UNSIGNED) {
340 APPLY_FUNC(a, b, length, unsigned int, BOR_OP);
341 } else if(*datatype == MPI_UNSIGNED_LONG) {
342 APPLY_FUNC(a, b, length, unsigned long, BOR_OP);
343 } else if(*datatype == MPI_BYTE) {
344 APPLY_FUNC(a, b, length, uint8_t, BOR_OP);
348 static void bxor_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
349 if(*datatype == MPI_SHORT) {
350 APPLY_FUNC(a, b, length, short, BXOR_OP);
351 } else if(*datatype == MPI_INT) {
352 APPLY_FUNC(a, b, length, int, BXOR_OP);
353 } else if(*datatype == MPI_LONG) {
354 APPLY_FUNC(a, b, length, long, BXOR_OP);
355 } else if(*datatype == MPI_UNSIGNED_SHORT) {
356 APPLY_FUNC(a, b, length, unsigned short, BXOR_OP);
357 } else if(*datatype == MPI_UNSIGNED) {
358 APPLY_FUNC(a, b, length, unsigned int, BXOR_OP);
359 } else if(*datatype == MPI_UNSIGNED_LONG) {
360 APPLY_FUNC(a, b, length, unsigned long, BXOR_OP);
361 } else if(*datatype == MPI_BYTE) {
362 APPLY_FUNC(a, b, length, uint8_t, BXOR_OP);
366 static void minloc_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
367 if(*datatype == MPI_FLOAT_INT) {
368 APPLY_FUNC(a, b, length, float_int, MINLOC_OP);
369 } else if(*datatype == MPI_LONG_INT) {
370 APPLY_FUNC(a, b, length, long_int, MINLOC_OP);
371 } else if(*datatype == MPI_DOUBLE_INT) {
372 APPLY_FUNC(a, b, length, double_int, MINLOC_OP);
373 } else if(*datatype == MPI_SHORT_INT) {
374 APPLY_FUNC(a, b, length, short_int, MINLOC_OP);
375 } else if(*datatype == MPI_2INT) {
376 APPLY_FUNC(a, b, length, int_int, MINLOC_OP);
377 } else if(*datatype == MPI_LONG_DOUBLE_INT) {
378 APPLY_FUNC(a, b, length, long_double_int, MINLOC_OP);
382 static void maxloc_func(void* a, void* b, int* length, MPI_Datatype* datatype) {
383 if(*datatype == MPI_FLOAT_INT) {
384 APPLY_FUNC(a, b, length, float_int, MAXLOC_OP);
385 } else if(*datatype == MPI_LONG_INT) {
386 APPLY_FUNC(a, b, length, long_int, MAXLOC_OP);
387 } else if(*datatype == MPI_DOUBLE_INT) {
388 APPLY_FUNC(a, b, length, double_int, MAXLOC_OP);
389 } else if(*datatype == MPI_SHORT_INT) {
390 APPLY_FUNC(a, b, length, short_int, MAXLOC_OP);
391 } else if(*datatype == MPI_2INT) {
392 APPLY_FUNC(a, b, length, int_int, MAXLOC_OP);
393 } else if(*datatype == MPI_LONG_DOUBLE_INT) {
394 APPLY_FUNC(a, b, length, long_double_int, MAXLOC_OP);
399 #define CREATE_MPI_OP(name, func) \
400 static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */ }; \
401 MPI_Op name = &mpi_##name;
403 CREATE_MPI_OP(MPI_MAX, max_func);
404 CREATE_MPI_OP(MPI_MIN, min_func);
405 CREATE_MPI_OP(MPI_SUM, sum_func);
406 CREATE_MPI_OP(MPI_PROD, prod_func);
407 CREATE_MPI_OP(MPI_LAND, land_func);
408 CREATE_MPI_OP(MPI_LOR, lor_func);
409 CREATE_MPI_OP(MPI_LXOR, lxor_func);
410 CREATE_MPI_OP(MPI_BAND, band_func);
411 CREATE_MPI_OP(MPI_BOR, bor_func);
412 CREATE_MPI_OP(MPI_BXOR, bxor_func);
413 CREATE_MPI_OP(MPI_MAXLOC, maxloc_func);
414 CREATE_MPI_OP(MPI_MINLOC, minloc_func);
416 MPI_Op smpi_op_new(MPI_User_function* function, int commute) {
419 //FIXME: add commute param
420 op = xbt_new(s_smpi_mpi_op_t, 1);
425 void smpi_op_destroy(MPI_Op op) {
429 void smpi_op_apply(MPI_Op op, void* invec, void* inoutvec, int* len, MPI_Datatype* datatype) {
430 op->func(invec, inoutvec, len, datatype);