teshsuite/smpi/mpich3-test/coll/allred.c

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
   2 /*
   3  *  (C) 2001 by Argonne National Laboratory.
   4  *      See COPYRIGHT in top-level directory.
   5  */
   6 /*      Warning - this test will fail for MPI_PROD & maybe MPI_SUM
   7  *        if more than 10 MPI processes are used.  Loss of precision
   8  *        will occur as the number of processors is increased.
   9  */
  10
  11 #include "mpi.h"
  12 #include "mpitest.h"
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #ifdef HAVE_STDINT_H
  17 #include <stdint.h>
  18 #endif
  19
  20 int count, size, rank;
  21 int cerrcnt;
  22
  23 struct int_test {
  24     int a;
  25     int b;
  26 };
  27 struct long_test {
  28     long a;
  29     int b;
  30 };
  31 struct short_test {
  32     short a;
  33     int b;
  34 };
  35 struct float_test {
  36     float a;
  37     int b;
  38 };
  39 struct double_test {
  40     double a;
  41     int b;
  42 };
  43
  44 #define mpi_op2str(op)                   \
  45     ((op == MPI_SUM) ? "MPI_SUM" :       \
  46      (op == MPI_PROD) ? "MPI_PROD" :     \
  47      (op == MPI_MAX) ? "MPI_MAX" :       \
  48      (op == MPI_MIN) ? "MPI_MIN" :       \
  49      (op == MPI_LOR) ? "MPI_LOR" :       \
  50      (op == MPI_LXOR) ? "MPI_LXOR" :     \
  51      (op == MPI_LAND) ? "MPI_LAND" :     \
  52      (op == MPI_BOR) ? "MPI_BOR" :       \
  53      (op == MPI_BAND) ? "MPI_BAND" :     \
  54      (op == MPI_BXOR) ? "MPI_BXOR" :     \
  55      (op == MPI_MAXLOC) ? "MPI_MAXLOC" : \
  56      (op == MPI_MINLOC) ? "MPI_MINLOC" : \
  57      "MPI_NO_OP")
  58
  59 /* calloc to avoid spurious valgrind warnings when "type" has padding bytes */
  60 #define DECL_MALLOC_IN_OUT_SOL(type)                 \
  61     type *in, *out, *sol;                            \
  62     in  = (type *) calloc(count, sizeof(type));      \
  63     out = (type *) calloc(count, sizeof(type));      \
  64     sol = (type *) calloc(count, sizeof(type));
  65
  66 #define SET_INDEX_CONST(arr, val)               \
  67     {                                           \
  68         int i;                                  \
  69         for (i = 0; i < count; i++)             \
  70             arr[i] = val;                       \
  71     }
  72
  73 #define SET_INDEX_SUM(arr, val)                 \
  74     {                                           \
  75         int i;                                  \
  76         for (i = 0; i < count; i++)             \
  77             arr[i] = i + val;                   \
  78     }
  79
  80 #define SET_INDEX_FACTOR(arr, val)              \
  81     {                                           \
  82         int i;                                  \
  83         for (i = 0; i < count; i++)             \
  84             arr[i] = i * (val);                 \
  85     }
  86
  87 #define SET_INDEX_POWER(arr, val)               \
  88     {                                           \
  89         int i, j;                               \
  90         for (i = 0; i < count; i++) {           \
  91             (arr)[i] = 1;                       \
  92             for (j = 0; j < (val); j++)         \
  93                 arr[i] *= i;                    \
  94         }                                       \
  95     }
  96
  97 #define ERROR_CHECK_AND_FREE(lerrcnt, mpi_type, mpi_op)                 \
  98     do {                                                                \
  99         char name[MPI_MAX_OBJECT_NAME] = {0};                           \
 100         int len = 0;                                                    \
 101         if (lerrcnt) {                                                  \
 102             MPI_Type_get_name(mpi_type, name, &len);                    \
 103             fprintf(stderr, "(%d) Error for type %s and op %s\n",       \
 104                     rank, name, mpi_op2str(mpi_op));                    \
 105         }                                                               \
 106         free(in); free(out); free(sol);                                 \
 107     } while (0)
 108
 109 /* The logic on the error check on MPI_Allreduce assumes that all
 110    MPI_Allreduce routines return a failure if any do - this is sufficient
 111    for MPI implementations that reject some of the valid op/datatype pairs
 112    (and motivated this addition, as some versions of the IBM MPI
 113    failed in just this way).
 114 */
 115 #define ALLREDUCE_AND_FREE(mpi_type, mpi_op, in, out, sol)              \
 116     {                                                                   \
 117         int i, rc, lerrcnt = 0;                                         \
 118         rc = MPI_Allreduce(in, out, count, mpi_type, mpi_op, MPI_COMM_WORLD); \
 119         if (rc) { lerrcnt++; cerrcnt++; MTestPrintError(rc); }        \
 120         else {                                                          \
 121           for (i = 0; i < count; i++) {                                   \
 122               if (out[i] != sol[i]) {                                     \
 123                   cerrcnt++;                                              \
 124                   lerrcnt++;                                              \
 125               }                                                           \
 126            }                                                              \
 127         }                                                               \
 128         ERROR_CHECK_AND_FREE(lerrcnt, mpi_type, mpi_op);                \
 129     }
 130
 131 #define STRUCT_ALLREDUCE_AND_FREE(mpi_type, mpi_op, in, out, sol)       \
 132     {                                                                   \
 133         int i, rc, lerrcnt = 0;                                         \
 134         rc = MPI_Allreduce(in, out, count, mpi_type, mpi_op, MPI_COMM_WORLD); \
 135         if (rc) { lerrcnt++; cerrcnt++; MTestPrintError(rc); }        \
 136         else {                                                            \
 137           for (i = 0; i < count; i++) {                                   \
 138               if ((out[i].a != sol[i].a) || (out[i].b != sol[i].b)) {     \
 139                   cerrcnt++;                                              \
 140                   lerrcnt++;                                              \
 141               }                                                           \
 142             }                                                             \
 143         }                                                               \
 144         ERROR_CHECK_AND_FREE(lerrcnt, mpi_type, mpi_op);                \
 145     }
 146
 147 #define SET_INDEX_STRUCT_CONST(arr, val, el)                    \
 148     {                                                           \
 149         int i;                                                  \
 150         for (i = 0; i < count; i++)                             \
 151             arr[i].el = val;                                    \
 152     }
 153
 154 #define SET_INDEX_STRUCT_SUM(arr, val, el)                      \
 155     {                                                           \
 156         int i;                                                  \
 157         for (i = 0; i < count; i++)                             \
 158             arr[i].el = i + (val);                              \
 159     }
 160
 161 #define sum_test1(type, mpi_type)                                       \
 162     {                                                                   \
 163         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 164         SET_INDEX_SUM(in, 0);                                           \
 165         SET_INDEX_FACTOR(sol, size);                                    \
 166         SET_INDEX_CONST(out, 0);                                        \
 167         ALLREDUCE_AND_FREE(mpi_type, MPI_SUM, in, out, sol);            \
 168     }
 169
 170 #define prod_test1(type, mpi_type)                                      \
 171     {                                                                   \
 172         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 173         SET_INDEX_SUM(in, 0);                                           \
 174         SET_INDEX_POWER(sol, size);                                     \
 175         SET_INDEX_CONST(out, 0);                                        \
 176         ALLREDUCE_AND_FREE(mpi_type, MPI_PROD, in, out, sol);           \
 177     }
 178
 179 #define max_test1(type, mpi_type)                                       \
 180     {                                                                   \
 181         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 182         SET_INDEX_SUM(in, rank);                                        \
 183         SET_INDEX_SUM(sol, size - 1);                                   \
 184         SET_INDEX_CONST(out, 0);                                        \
 185         ALLREDUCE_AND_FREE(mpi_type, MPI_MAX, in, out, sol);            \
 186     }
 187
 188 #define min_test1(type, mpi_type)                                       \
 189     {                                                                   \
 190         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 191         SET_INDEX_SUM(in, rank);                                        \
 192         SET_INDEX_SUM(sol, 0);                                          \
 193         SET_INDEX_CONST(out, 0);                                        \
 194         ALLREDUCE_AND_FREE(mpi_type, MPI_MIN, in, out, sol);            \
 195     }
 196
 197 #define const_test(type, mpi_type, mpi_op, val1, val2, val3)            \
 198     {                                                                   \
 199         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 200         SET_INDEX_CONST(in, (val1));                                    \
 201         SET_INDEX_CONST(sol, (val2));                                   \
 202         SET_INDEX_CONST(out, (val3));                                   \
 203         ALLREDUCE_AND_FREE(mpi_type, mpi_op, in, out, sol);             \
 204     }
 205
 206 #define lor_test1(type, mpi_type)                                       \
 207     const_test(type, mpi_type, MPI_LOR, (rank & 0x1), (size > 1), 0)
 208 #define lor_test2(type, mpi_type)                       \
 209     const_test(type, mpi_type, MPI_LOR, 0, 0, 0)
 210 #define lxor_test1(type, mpi_type)                                      \
 211     const_test(type, mpi_type, MPI_LXOR, (rank == 1), (size > 1), 0)
 212 #define lxor_test2(type, mpi_type)                      \
 213     const_test(type, mpi_type, MPI_LXOR, 0, 0, 0)
 214 #define lxor_test3(type, mpi_type)                      \
 215     const_test(type, mpi_type, MPI_LXOR, 1, (size & 0x1), 0)
 216 #define land_test1(type, mpi_type)                              \
 217     const_test(type, mpi_type, MPI_LAND, (rank & 0x1), 0, 0)
 218 #define land_test2(type, mpi_type)                      \
 219     const_test(type, mpi_type, MPI_LAND, 1, 1, 0)
 220 #define bor_test1(type, mpi_type)                                       \
 221     const_test(type, mpi_type, MPI_BOR, (rank & 0x3), ((size < 3) ? size - 1 : 0x3), 0)
 222 #define bxor_test1(type, mpi_type)                                      \
 223     const_test(type, mpi_type, MPI_BXOR, (rank == 1) * 0xf0, (size > 1) * 0xf0, 0)
 224 #define bxor_test2(type, mpi_type)                      \
 225     const_test(type, mpi_type, MPI_BXOR, 0, 0, 0)
 226 #define bxor_test3(type, mpi_type)                      \
 227     const_test(type, mpi_type, MPI_BXOR, ~0, (size &0x1) ? ~0 : 0, 0)
 228
 229 #define band_test1(type, mpi_type)                                      \
 230     {                                                                   \
 231         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 232         if (rank == size-1) {                                           \
 233             SET_INDEX_SUM(in, 0);                                       \
 234         }                                                               \
 235         else {                                                          \
 236             SET_INDEX_CONST(in, ~0);                                    \
 237         }                                                               \
 238         SET_INDEX_SUM(sol, 0);                                          \
 239         SET_INDEX_CONST(out, 0);                                        \
 240         ALLREDUCE_AND_FREE(mpi_type, MPI_BAND, in, out, sol);           \
 241     }
 242
 243 #define band_test2(type, mpi_type)                                      \
 244     {                                                                   \
 245         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 246         if (rank == size-1) {                                           \
 247             SET_INDEX_SUM(in, 0);                                       \
 248         }                                                               \
 249         else {                                                          \
 250             SET_INDEX_CONST(in, 0);                                     \
 251         }                                                               \
 252         SET_INDEX_CONST(sol, 0);                                        \
 253         SET_INDEX_CONST(out, 0);                                        \
 254         ALLREDUCE_AND_FREE(mpi_type, MPI_BAND, in, out, sol);           \
 255     }
 256
 257 #define maxloc_test(type, mpi_type)                                     \
 258     {                                                                   \
 259         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 260         SET_INDEX_STRUCT_SUM(in, rank, a);                              \
 261         SET_INDEX_STRUCT_CONST(in, rank, b);                            \
 262         SET_INDEX_STRUCT_SUM(sol, size - 1, a);                         \
 263         SET_INDEX_STRUCT_CONST(sol, size - 1, b);                       \
 264         SET_INDEX_STRUCT_CONST(out, 0, a);                              \
 265         SET_INDEX_STRUCT_CONST(out, -1, b);                             \
 266         STRUCT_ALLREDUCE_AND_FREE(mpi_type, MPI_MAXLOC, in, out, sol);   \
 267     }
 268
 269 #define minloc_test(type, mpi_type)                                     \
 270     {                                                                   \
 271         DECL_MALLOC_IN_OUT_SOL(type);                                   \
 272         SET_INDEX_STRUCT_SUM(in, rank, a);                              \
 273         SET_INDEX_STRUCT_CONST(in, rank, b);                            \
 274         SET_INDEX_STRUCT_SUM(sol, 0, a);                                \
 275         SET_INDEX_STRUCT_CONST(sol, 0, b);                              \
 276         SET_INDEX_STRUCT_CONST(out, 0, a);                              \
 277         SET_INDEX_STRUCT_CONST(out, -1, b);                             \
 278         STRUCT_ALLREDUCE_AND_FREE(mpi_type, MPI_MINLOC, in, out, sol);  \
 279     }
 280
 281 #if MTEST_HAVE_MIN_MPI_VERSION(3,2)
 282 #define test_types_set_mpi_2_2_integer(op,post) do {                \
 283         op##_test##post(int8_t, MPI_INT8_T);                        \
 284         op##_test##post(int16_t, MPI_INT16_T);                      \
 285         op##_test##post(int32_t, MPI_INT32_T);                      \
 286         op##_test##post(int64_t, MPI_INT64_T);                      \
 287         op##_test##post(uint8_t, MPI_UINT8_T);                      \
 288         op##_test##post(uint16_t, MPI_UINT16_T);                    \
 289         op##_test##post(uint32_t, MPI_UINT32_T);                    \
 290         op##_test##post(uint64_t, MPI_UINT64_T);                    \
 291         op##_test##post(MPI_Aint, MPI_AINT);                        \
 292         op##_test##post(MPI_Offset, MPI_OFFSET);                    \
 293     } while (0)
 294 #else
 295 #define test_types_set_mpi_2_2_integer(op,post) do { } while (0)
 296 #endif
 297
 298 #if MTEST_HAVE_MIN_MPI_VERSION(3,0)
 299 #define test_types_set_mpi_3_0_integer(op,post) do {                \
 300         op##_test##post(MPI_Count, MPI_COUNT);                      \
 301     } while (0)
 302 #else
 303 #define test_types_set_mpi_3_0_integer(op,post) do { } while (0)
 304 #endif
 305
 306 #define test_types_set1(op, post)                                   \
 307     {                                                               \
 308         op##_test##post(int, MPI_INT);                              \
 309         op##_test##post(long, MPI_LONG);                            \
 310         op##_test##post(short, MPI_SHORT);                          \
 311         op##_test##post(unsigned short, MPI_UNSIGNED_SHORT);        \
 312         op##_test##post(unsigned, MPI_UNSIGNED);                    \
 313         op##_test##post(unsigned long, MPI_UNSIGNED_LONG);          \
 314         op##_test##post(unsigned char, MPI_UNSIGNED_CHAR);          \
 315         test_types_set_mpi_2_2_integer(op,post);                    \
 316         test_types_set_mpi_3_0_integer(op,post);                    \
 317     }
 318
 319 #define test_types_set2(op, post)               \
 320     {                                           \
 321         test_types_set1(op, post);              \
 322         op##_test##post(float, MPI_FLOAT);      \
 323         op##_test##post(double, MPI_DOUBLE);    \
 324     }
 325
 326 #define test_types_set3(op, post)                                   \
 327     {                                                               \
 328         op##_test##post(unsigned char, MPI_BYTE);                   \
 329     }
 330
 331 /* Make sure that we test complex and double complex, even if long
 332    double complex is not available */
 333 #if defined(USE_LONG_DOUBLE_COMPLEX)
 334
 335 #if MTEST_HAVE_MIN_MPI_VERSION(2,2) && defined(HAVE_FLOAT__COMPLEX) \
 336     && defined(HAVE_DOUBLE__COMPLEX) \
 337     && defined(HAVE_LONG_DOUBLE__COMPLEX)
 338 #define test_types_set4(op, post)                                             \
 339     do {                                                                      \
 340         op##_test##post(float _Complex, MPI_C_FLOAT_COMPLEX);                 \
 341         op##_test##post(double _Complex, MPI_C_DOUBLE_COMPLEX);               \
 342         if (MPI_C_LONG_DOUBLE_COMPLEX != MPI_DATATYPE_NULL) {                 \
 343             op##_test##post(long double _Complex, MPI_C_LONG_DOUBLE_COMPLEX); \
 344         }                                                                     \
 345     } while (0)
 346
 347 #else
 348 #define test_types_set4(op, post) do { } while (0)
 349 #endif
 350 #else
 351
 352 #if MTEST_HAVE_MIN_MPI_VERSION(2,2) && defined(HAVE_FLOAT__COMPLEX) \
 353     && defined(HAVE_DOUBLE__COMPLEX)
 354 #define test_types_set4(op, post)                                         \
 355     do {                                                                  \
 356         op##_test##post(float _Complex, MPI_C_FLOAT_COMPLEX);             \
 357         op##_test##post(double _Complex, MPI_C_DOUBLE_COMPLEX);           \
 358     } while (0)
 359
 360 #else
 361 #define test_types_set4(op, post) do { } while (0)
 362 #endif
 363
 364 #endif /* defined(USE_LONG_DOUBLE_COMPLEX) */
 365
 366 #if MTEST_HAVE_MIN_MPI_VERSION(2,2) && defined(HAVE__BOOL)
 367 #define test_types_set5(op, post)           \
 368     do {                                    \
 369         op##_test##post(_Bool, MPI_C_BOOL); \
 370     } while (0)
 371
 372 #else
 373 #define test_types_set5(op, post) do { } while (0)
 374 #endif
 375
 376 int main(int argc, char **argv)
 377 {
 378     MTest_Init(&argc, &argv);
 379
 380     MPI_Comm_size(MPI_COMM_WORLD, &size);
 381     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 382
 383     if (size < 2) {
 384         fprintf(stderr, "At least 2 processes required\n");
 385         MPI_Abort(MPI_COMM_WORLD, 1);
 386     }
 387
 388     /* Set errors return so that we can provide better information
 389      * should a routine reject one of the operand/datatype pairs */
 390     MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
 391
 392     count = 10;
 393     /* Allow an argument to override the count.
 394      * Note that the product tests may fail if the count is very large.
 395      */
 396     if (argc >= 2) {
 397         count = atoi(argv[1]);
 398         if (count <= 0) {
 399             fprintf(stderr, "Invalid count argument %s\n", argv[1]);
 400             MPI_Abort(MPI_COMM_WORLD, 1);
 401         }
 402     }
 403
 404     test_types_set2(sum, 1);
 405     test_types_set2(prod, 1);
 406     test_types_set2(max, 1);
 407     test_types_set2(min, 1);
 408
 409     test_types_set1(lor, 1);
 410     test_types_set1(lor, 2);
 411
 412     test_types_set1(lxor, 1);
 413     test_types_set1(lxor, 2);
 414     test_types_set1(lxor, 3);
 415
 416     test_types_set1(land, 1);
 417     test_types_set1(land, 2);
 418
 419     test_types_set1(bor, 1);
 420     test_types_set1(band, 1);
 421     test_types_set1(band, 2);
 422
 423     test_types_set1(bxor, 1);
 424     test_types_set1(bxor, 2);
 425     test_types_set1(bxor, 3);
 426
 427     test_types_set3(bor, 1);
 428     test_types_set3(band, 1);
 429     test_types_set3(band, 2);
 430
 431     test_types_set3(bxor, 1);
 432     test_types_set3(bxor, 2);
 433     test_types_set3(bxor, 3);
 434
 435     test_types_set4(sum, 1);
 436     test_types_set4(prod, 1);
 437
 438     test_types_set5(lor, 1);
 439     test_types_set5(lor, 2);
 440     test_types_set5(lxor, 1);
 441     test_types_set5(lxor, 2);
 442     test_types_set5(lxor, 3);
 443     test_types_set5(land, 1);
 444     test_types_set5(land, 2);
 445
 446     maxloc_test(struct int_test, MPI_2INT);
 447     maxloc_test(struct long_test, MPI_LONG_INT);
 448     maxloc_test(struct short_test, MPI_SHORT_INT);
 449     maxloc_test(struct float_test, MPI_FLOAT_INT);
 450     maxloc_test(struct double_test, MPI_DOUBLE_INT);
 451
 452     minloc_test(struct int_test, MPI_2INT);
 453     minloc_test(struct long_test, MPI_LONG_INT);
 454     minloc_test(struct short_test, MPI_SHORT_INT);
 455     minloc_test(struct float_test, MPI_FLOAT_INT);
 456     minloc_test(struct double_test, MPI_DOUBLE_INT);
 457
 458     MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
 459     MTest_Finalize(cerrcnt);
 460     MPI_Finalize();
 461     return 0;
 462 }