src/smpi/smpi_coll.hpp

   1 /*High level handling of collective algorithms*/
   2 /* Copyright (c) 2009-2010, 2012-2014. The SimGrid Team.
   3  * All rights reserved.                                                     */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #ifndef SMPI_COLL_HPP
   9 #define SMPI_COLL_HPP
  10
  11 #include <xbt/base.h>
  12
  13 #include "private.h"
  14
  15 /** \brief MPI collective description */
  16
  17 struct mpi_coll_description {
  18   const char *name;
  19   const char *description;
  20   void *coll;
  21 };
  22 typedef struct mpi_coll_description  s_mpi_coll_description_t;
  23 typedef struct mpi_coll_description* mpi_coll_description_t;
  24
  25
  26 namespace simgrid{
  27 namespace smpi{
  28
  29
  30 class Colls{
  31   private:
  32   public:
  33     static void set_gather(const char* name);
  34     static void set_allgather(const char* name);
  35     static void set_allgatherv(const char* name);
  36     static void set_alltoall(const char* name);
  37     static void set_alltoallv(const char* name);
  38     static void set_allreduce(const char* name);
  39     static void set_reduce(const char* name);
  40     static void set_reduce_scatter(const char* name);
  41     static void set_scatter(const char* name);
  42     static void set_barrier(const char* name);
  43     static void set_bcast(const char* name);
  44
  45     static s_mpi_coll_description_t mpi_coll_gather_description[];
  46     static s_mpi_coll_description_t mpi_coll_allgather_description[];
  47     static s_mpi_coll_description_t mpi_coll_allgatherv_description[];
  48     static s_mpi_coll_description_t mpi_coll_allreduce_description[];
  49     static s_mpi_coll_description_t mpi_coll_alltoall_description[];
  50     static s_mpi_coll_description_t mpi_coll_alltoallv_description[];
  51     static s_mpi_coll_description_t mpi_coll_bcast_description[];
  52     static s_mpi_coll_description_t mpi_coll_reduce_description[];
  53     static s_mpi_coll_description_t mpi_coll_reduce_scatter_description[];
  54     static s_mpi_coll_description_t mpi_coll_scatter_description[];
  55     static s_mpi_coll_description_t mpi_coll_barrier_description[];
  56
  57
  58     static XBT_PUBLIC(void) coll_help(const char *category, s_mpi_coll_description_t * table);
  59     static XBT_PUBLIC(int) find_coll_description(s_mpi_coll_description_t * table, const char *name, const char *desc);
  60     static void set_collectives();
  61
  62     static int (*gather)(void *, int, MPI_Datatype, void*, int, MPI_Datatype, int root, MPI_Comm);
  63     static int (*allgather)(void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm);
  64     static int (*allgatherv)(void *, int, MPI_Datatype, void*, int*, int*, MPI_Datatype, MPI_Comm);
  65     static int (*allreduce)(void *sbuf, void *rbuf, int rcount, MPI_Datatype dtype, MPI_Op op, MPI_Comm comm);
  66     static int (*alltoall)(void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm);
  67     static int (*alltoallv)(void *, int*, int*, MPI_Datatype, void*, int*, int*, MPI_Datatype, MPI_Comm);
  68     static int (*bcast)(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm com);
  69     static int (*reduce)(void *buf, void *rbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm);
  70     static int (*reduce_scatter)(void *sbuf, void *rbuf, int *rcounts,MPI_Datatype dtype,MPI_Op  op,MPI_Comm  comm);
  71     static int (*scatter)(void *sendbuf, int sendcount, MPI_Datatype sendtype,void *recvbuf, int recvcount, MPI_Datatype recvtype,int root, MPI_Comm comm);
  72     static int (*barrier)(MPI_Comm comm);
  73
  74 //These fairly unused collectives only have one implementation in SMPI
  75
  76     static int gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype, int root, MPI_Comm comm);
  77     static int scatterv(void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm);
  78     static int scan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
  79     static int exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm);
  80
  81     static void (*smpi_coll_cleanup_callback)();
  82 };
  83
  84 class Coll {
  85   public:
  86     static int gather (void *, int, MPI_Datatype, void*, int, MPI_Datatype, int root, MPI_Comm);
  87     static int allgather (void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm);
  88     static int allgatherv (void *, int, MPI_Datatype, void*, int*, int*, MPI_Datatype, MPI_Comm);
  89     static int allreduce (void *sbuf, void *rbuf, int rcount, MPI_Datatype dtype, MPI_Op op, MPI_Comm comm);
  90     static int alltoall (void *, int, MPI_Datatype, void*, int, MPI_Datatype, MPI_Comm);
  91     static int alltoallv (void *, int*, int*, MPI_Datatype, void*, int*, int*, MPI_Datatype, MPI_Comm);
  92     static int bcast (void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm com);
  93     static int reduce (void *buf, void *rbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm);
  94     static int reduce_scatter (void *sbuf, void *rbuf, int *rcounts,MPI_Datatype dtype,MPI_Op  op,MPI_Comm  comm);
  95     static int scatter (void *sendbuf, int sendcount, MPI_Datatype sendtype,void *recvbuf, int recvcount, MPI_Datatype recvtype,int root, MPI_Comm comm);
  96     static int barrier (MPI_Comm);
  97 };
  98
  99
 100
 101 #define COLL_DESCRIPTION(cat, ret, args, name) \
 102   {# name,\
 103    # cat " " # name " collective",\
 104    (void*) Coll_ ## cat ## _ ## name::cat }
 105
 106 #define COLL_PROTO(cat, ret, args, name) \
 107 class Coll_ ## cat ## _ ## name : public Coll { \
 108 public: \
 109 static ret cat  (COLL_UNPAREN args); \
 110 };
 111
 112 #define COLL_UNPAREN(...)  __VA_ARGS__
 113
 114 #define COLL_APPLY(action, sig, name) action(sig, name)
 115 #define COLL_COMMA ,
 116 #define COLL_NOsep
 117 #define COLL_NOTHING(...)
 118
 119 /*************
 120  * GATHER *
 121  *************/
 122
 123 #define COLL_GATHER_SIG gather, int, \
 124                           (void *send_buff, int send_count, MPI_Datatype send_type, \
 125                            void *recv_buff, int recv_count, MPI_Datatype recv_type, \
 126                            int root, MPI_Comm comm)
 127
 128 #define COLL_GATHERS(action, COLL_sep) \
 129 COLL_APPLY(action, COLL_GATHER_SIG, default) COLL_sep \
 130 COLL_APPLY(action, COLL_GATHER_SIG, ompi) COLL_sep \
 131 COLL_APPLY(action, COLL_GATHER_SIG, ompi_basic_linear) COLL_sep \
 132 COLL_APPLY(action, COLL_GATHER_SIG, ompi_binomial) COLL_sep \
 133 COLL_APPLY(action, COLL_GATHER_SIG, ompi_linear_sync) COLL_sep \
 134 COLL_APPLY(action, COLL_GATHER_SIG, mpich) COLL_sep \
 135 COLL_APPLY(action, COLL_GATHER_SIG, mvapich2) COLL_sep \
 136 COLL_APPLY(action, COLL_GATHER_SIG, mvapich2_two_level) COLL_sep \
 137 COLL_APPLY(action, COLL_GATHER_SIG, impi) COLL_sep \
 138 COLL_APPLY(action, COLL_GATHER_SIG, automatic)
 139
 140 COLL_GATHERS(COLL_PROTO, COLL_NOsep)
 141
 142 /*************
 143  * ALLGATHER *
 144  *************/
 145 #define COLL_ALLGATHER_SIG allgather, int, \
 146                           (void *send_buff, int send_count, MPI_Datatype send_type, \
 147                            void *recv_buff, int recv_count, MPI_Datatype recv_type, \
 148                            MPI_Comm comm)
 149
 150 #define COLL_ALLGATHERS(action, COLL_sep) \
 151 COLL_APPLY(action, COLL_ALLGATHER_SIG, default) COLL_sep \
 152 COLL_APPLY(action, COLL_ALLGATHER_SIG, 2dmesh) COLL_sep \
 153 COLL_APPLY(action, COLL_ALLGATHER_SIG, 3dmesh) COLL_sep \
 154 COLL_APPLY(action, COLL_ALLGATHER_SIG, bruck) COLL_sep \
 155 COLL_APPLY(action, COLL_ALLGATHER_SIG, GB) COLL_sep \
 156 COLL_APPLY(action, COLL_ALLGATHER_SIG, loosely_lr) COLL_sep \
 157 COLL_APPLY(action, COLL_ALLGATHER_SIG, NTSLR) COLL_sep \
 158 COLL_APPLY(action, COLL_ALLGATHER_SIG, NTSLR_NB) COLL_sep \
 159 COLL_APPLY(action, COLL_ALLGATHER_SIG, pair) COLL_sep \
 160 COLL_APPLY(action, COLL_ALLGATHER_SIG, rdb) COLL_sep \
 161 COLL_APPLY(action, COLL_ALLGATHER_SIG, rhv) COLL_sep \
 162 COLL_APPLY(action, COLL_ALLGATHER_SIG, ring) COLL_sep \
 163 COLL_APPLY(action, COLL_ALLGATHER_SIG, SMP_NTS) COLL_sep \
 164 COLL_APPLY(action, COLL_ALLGATHER_SIG, smp_simple) COLL_sep \
 165 COLL_APPLY(action, COLL_ALLGATHER_SIG, spreading_simple) COLL_sep \
 166 COLL_APPLY(action, COLL_ALLGATHER_SIG, ompi) COLL_sep \
 167 COLL_APPLY(action, COLL_ALLGATHER_SIG, ompi_neighborexchange) COLL_sep \
 168 COLL_APPLY(action, COLL_ALLGATHER_SIG, mvapich2) COLL_sep \
 169 COLL_APPLY(action, COLL_ALLGATHER_SIG, mvapich2_smp) COLL_sep \
 170 COLL_APPLY(action, COLL_ALLGATHER_SIG, mpich) COLL_sep \
 171 COLL_APPLY(action, COLL_ALLGATHER_SIG, impi) COLL_sep \
 172 COLL_APPLY(action, COLL_ALLGATHER_SIG, automatic)
 173
 174 COLL_ALLGATHERS(COLL_PROTO, COLL_NOsep)
 175
 176 /**************
 177  * ALLGATHERV *
 178  **************/
 179 #define COLL_ALLGATHERV_SIG allgatherv, int, \
 180                           (void *send_buff, int send_count, MPI_Datatype send_type, \
 181                            void *recv_buff, int *recv_count, int *recv_disps, \
 182                            MPI_Datatype recv_type, MPI_Comm comm)
 183
 184 #define COLL_ALLGATHERVS(action, COLL_sep) \
 185 COLL_APPLY(action, COLL_ALLGATHERV_SIG, default) COLL_sep \
 186 COLL_APPLY(action, COLL_ALLGATHERV_SIG, GB) COLL_sep \
 187 COLL_APPLY(action, COLL_ALLGATHERV_SIG, pair) COLL_sep \
 188 COLL_APPLY(action, COLL_ALLGATHERV_SIG, ring) COLL_sep \
 189 COLL_APPLY(action, COLL_ALLGATHERV_SIG, ompi) COLL_sep \
 190 COLL_APPLY(action, COLL_ALLGATHERV_SIG, ompi_neighborexchange) COLL_sep \
 191 COLL_APPLY(action, COLL_ALLGATHERV_SIG, ompi_bruck) COLL_sep \
 192 COLL_APPLY(action, COLL_ALLGATHERV_SIG, mpich) COLL_sep \
 193 COLL_APPLY(action, COLL_ALLGATHERV_SIG, mpich_rdb) COLL_sep \
 194 COLL_APPLY(action, COLL_ALLGATHERV_SIG, mpich_ring) COLL_sep \
 195 COLL_APPLY(action, COLL_ALLGATHERV_SIG, mvapich2) COLL_sep \
 196 COLL_APPLY(action, COLL_ALLGATHERV_SIG, impi) COLL_sep \
 197 COLL_APPLY(action, COLL_ALLGATHERV_SIG, automatic)
 198
 199 COLL_ALLGATHERVS(COLL_PROTO, COLL_NOsep)
 200
 201 /*************
 202  * ALLREDUCE *
 203  *************/
 204 #define COLL_ALLREDUCE_SIG allreduce, int, \
 205                           (void *sbuf, void *rbuf, int rcount, \
 206                            MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
 207
 208 #define COLL_ALLREDUCES(action, COLL_sep) \
 209 COLL_APPLY(action, COLL_ALLREDUCE_SIG, default) COLL_sep \
 210 COLL_APPLY(action, COLL_ALLREDUCE_SIG, lr) COLL_sep \
 211 COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab1) COLL_sep \
 212 COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab2) COLL_sep \
 213 COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab_rdb) COLL_sep \
 214 COLL_APPLY(action, COLL_ALLREDUCE_SIG, rdb) COLL_sep \
 215 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_binomial) COLL_sep \
 216 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_binomial_pipeline) COLL_sep \
 217 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_rdb) COLL_sep \
 218 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_rsag) COLL_sep \
 219 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_rsag_lr) COLL_sep \
 220 COLL_APPLY(action, COLL_ALLREDUCE_SIG, smp_rsag_rab) COLL_sep \
 221 COLL_APPLY(action, COLL_ALLREDUCE_SIG, redbcast) COLL_sep \
 222 COLL_APPLY(action, COLL_ALLREDUCE_SIG, ompi) COLL_sep \
 223 COLL_APPLY(action, COLL_ALLREDUCE_SIG, ompi_ring_segmented) COLL_sep \
 224 COLL_APPLY(action, COLL_ALLREDUCE_SIG, mpich) COLL_sep \
 225 COLL_APPLY(action, COLL_ALLREDUCE_SIG, mvapich2) COLL_sep \
 226 COLL_APPLY(action, COLL_ALLREDUCE_SIG, mvapich2_rs) COLL_sep \
 227 COLL_APPLY(action, COLL_ALLREDUCE_SIG, mvapich2_two_level) COLL_sep \
 228 COLL_APPLY(action, COLL_ALLREDUCE_SIG, impi) COLL_sep \
 229 COLL_APPLY(action, COLL_ALLREDUCE_SIG, rab) COLL_sep \
 230 COLL_APPLY(action, COLL_ALLREDUCE_SIG, automatic)
 231
 232 COLL_ALLREDUCES(COLL_PROTO, COLL_NOsep)
 233
 234 /************
 235  * ALLTOALL *
 236  ************/
 237 #define COLL_ALLTOALL_SIG alltoall, int, \
 238                          (void *send_buff, int send_count, MPI_Datatype send_type, \
 239                           void *recv_buff, int recv_count, MPI_Datatype recv_type, \
 240                           MPI_Comm comm)
 241
 242 #define COLL_ALLTOALLS(action, COLL_sep) \
 243 COLL_APPLY(action, COLL_ALLTOALL_SIG, default) COLL_sep \
 244 COLL_APPLY(action, COLL_ALLTOALL_SIG, 2dmesh) COLL_sep \
 245 COLL_APPLY(action, COLL_ALLTOALL_SIG, 3dmesh) COLL_sep \
 246 COLL_APPLY(action, COLL_ALLTOALL_SIG, basic_linear) COLL_sep \
 247 COLL_APPLY(action, COLL_ALLTOALL_SIG, bruck) COLL_sep \
 248 COLL_APPLY(action, COLL_ALLTOALL_SIG, pair) COLL_sep \
 249 COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_rma) COLL_sep \
 250 COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_light_barrier) COLL_sep \
 251 COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_mpi_barrier) COLL_sep \
 252 COLL_APPLY(action, COLL_ALLTOALL_SIG, pair_one_barrier) COLL_sep \
 253 COLL_APPLY(action, COLL_ALLTOALL_SIG, rdb) COLL_sep \
 254 COLL_APPLY(action, COLL_ALLTOALL_SIG, ring) COLL_sep \
 255 COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_light_barrier) COLL_sep \
 256 COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_mpi_barrier) COLL_sep \
 257 COLL_APPLY(action, COLL_ALLTOALL_SIG, ring_one_barrier) COLL_sep \
 258 COLL_APPLY(action, COLL_ALLTOALL_SIG, mvapich2) COLL_sep \
 259 COLL_APPLY(action, COLL_ALLTOALL_SIG, mvapich2_scatter_dest) COLL_sep \
 260 COLL_APPLY(action, COLL_ALLTOALL_SIG, ompi) COLL_sep \
 261 COLL_APPLY(action, COLL_ALLTOALL_SIG, mpich) COLL_sep \
 262 COLL_APPLY(action, COLL_ALLTOALL_SIG, impi) COLL_sep \
 263 COLL_APPLY(action, COLL_ALLTOALL_SIG, automatic)
 264
 265 COLL_ALLTOALLS(COLL_PROTO, COLL_NOsep)
 266
 267 /*************
 268  * ALLTOALLV *
 269  *************/
 270 #define COLL_ALLTOALLV_SIG alltoallv, int, \
 271                          (void *send_buff, int *send_counts, int *send_disps, MPI_Datatype send_type, \
 272                           void *recv_buff, int *recv_counts, int *recv_disps, MPI_Datatype recv_type, \
 273                           MPI_Comm comm)
 274
 275 #define COLL_ALLTOALLVS(action, COLL_sep) \
 276 COLL_APPLY(action, COLL_ALLTOALLV_SIG, default) COLL_sep \
 277 COLL_APPLY(action, COLL_ALLTOALLV_SIG, bruck) COLL_sep \
 278 COLL_APPLY(action, COLL_ALLTOALLV_SIG, pair) COLL_sep \
 279 COLL_APPLY(action, COLL_ALLTOALLV_SIG, pair_light_barrier) COLL_sep \
 280 COLL_APPLY(action, COLL_ALLTOALLV_SIG, pair_mpi_barrier) COLL_sep \
 281 COLL_APPLY(action, COLL_ALLTOALLV_SIG, pair_one_barrier) COLL_sep \
 282 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring) COLL_sep \
 283 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_light_barrier) COLL_sep \
 284 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_mpi_barrier) COLL_sep \
 285 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ring_one_barrier) COLL_sep \
 286 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ompi) COLL_sep \
 287 COLL_APPLY(action, COLL_ALLTOALLV_SIG, mpich) COLL_sep \
 288 COLL_APPLY(action, COLL_ALLTOALLV_SIG, ompi_basic_linear) COLL_sep \
 289 COLL_APPLY(action, COLL_ALLTOALLV_SIG, mvapich2) COLL_sep \
 290 COLL_APPLY(action, COLL_ALLTOALLV_SIG, impi) COLL_sep \
 291 COLL_APPLY(action, COLL_ALLTOALLV_SIG, automatic)
 292
 293 COLL_ALLTOALLVS(COLL_PROTO, COLL_NOsep)
 294
 295 /*********
 296  * BCAST *
 297  *********/
 298 #define COLL_BCAST_SIG bcast, int, \
 299                       (void *buf, int count, MPI_Datatype datatype, \
 300                        int root, MPI_Comm comm)
 301
 302 #define COLL_BCASTS(action, COLL_sep) \
 303 COLL_APPLY(action, COLL_BCAST_SIG, default) COLL_sep \
 304 COLL_APPLY(action, COLL_BCAST_SIG, arrival_pattern_aware) COLL_sep \
 305 COLL_APPLY(action, COLL_BCAST_SIG, arrival_pattern_aware_wait) COLL_sep \
 306 COLL_APPLY(action, COLL_BCAST_SIG, arrival_scatter) COLL_sep \
 307 COLL_APPLY(action, COLL_BCAST_SIG, binomial_tree) COLL_sep \
 308 COLL_APPLY(action, COLL_BCAST_SIG, flattree) COLL_sep \
 309 COLL_APPLY(action, COLL_BCAST_SIG, flattree_pipeline) COLL_sep \
 310 COLL_APPLY(action, COLL_BCAST_SIG, NTSB) COLL_sep \
 311 COLL_APPLY(action, COLL_BCAST_SIG, NTSL) COLL_sep \
 312 COLL_APPLY(action, COLL_BCAST_SIG, NTSL_Isend) COLL_sep \
 313 COLL_APPLY(action, COLL_BCAST_SIG, scatter_LR_allgather) COLL_sep \
 314 COLL_APPLY(action, COLL_BCAST_SIG, scatter_rdb_allgather) COLL_sep \
 315 COLL_APPLY(action, COLL_BCAST_SIG, SMP_binary) COLL_sep \
 316 COLL_APPLY(action, COLL_BCAST_SIG, SMP_binomial) COLL_sep \
 317 COLL_APPLY(action, COLL_BCAST_SIG, SMP_linear) COLL_sep \
 318 COLL_APPLY(action, COLL_BCAST_SIG, ompi) COLL_sep \
 319 COLL_APPLY(action, COLL_BCAST_SIG, ompi_split_bintree) COLL_sep \
 320 COLL_APPLY(action, COLL_BCAST_SIG, ompi_pipeline) COLL_sep \
 321 COLL_APPLY(action, COLL_BCAST_SIG, mpich) COLL_sep \
 322 COLL_APPLY(action, COLL_BCAST_SIG, mvapich2)   COLL_sep \
 323 COLL_APPLY(action, COLL_BCAST_SIG, mvapich2_inter_node)   COLL_sep \
 324 COLL_APPLY(action, COLL_BCAST_SIG, mvapich2_intra_node)   COLL_sep \
 325 COLL_APPLY(action, COLL_BCAST_SIG, mvapich2_knomial_intra_node)   COLL_sep \
 326 COLL_APPLY(action, COLL_BCAST_SIG, impi)   COLL_sep \
 327 COLL_APPLY(action, COLL_BCAST_SIG, automatic)
 328
 329 COLL_BCASTS(COLL_PROTO, COLL_NOsep)
 330
 331
 332 /**********
 333  * REDUCE *
 334  **********/
 335 #define COLL_REDUCE_SIG reduce, int, \
 336                        (void *buf, void *rbuf, int count, MPI_Datatype datatype, \
 337                         MPI_Op op, int root, MPI_Comm comm)
 338
 339 #define COLL_REDUCES(action, COLL_sep) \
 340 COLL_APPLY(action, COLL_REDUCE_SIG, default) COLL_sep \
 341 COLL_APPLY(action, COLL_REDUCE_SIG, arrival_pattern_aware) COLL_sep \
 342 COLL_APPLY(action, COLL_REDUCE_SIG, binomial) COLL_sep \
 343 COLL_APPLY(action, COLL_REDUCE_SIG, flat_tree) COLL_sep \
 344 COLL_APPLY(action, COLL_REDUCE_SIG, NTSL) COLL_sep \
 345 COLL_APPLY(action, COLL_REDUCE_SIG, scatter_gather) COLL_sep \
 346 COLL_APPLY(action, COLL_REDUCE_SIG, ompi) COLL_sep \
 347 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_chain) COLL_sep \
 348 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_pipeline) COLL_sep \
 349 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_basic_linear) COLL_sep \
 350 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_in_order_binary) COLL_sep \
 351 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_binary) COLL_sep \
 352 COLL_APPLY(action, COLL_REDUCE_SIG, ompi_binomial) COLL_sep \
 353 COLL_APPLY(action, COLL_REDUCE_SIG, mpich) COLL_sep \
 354 COLL_APPLY(action, COLL_REDUCE_SIG, mvapich2) COLL_sep \
 355 COLL_APPLY(action, COLL_REDUCE_SIG, mvapich2_knomial) COLL_sep \
 356 COLL_APPLY(action, COLL_REDUCE_SIG, mvapich2_two_level) COLL_sep \
 357 COLL_APPLY(action, COLL_REDUCE_SIG, impi) COLL_sep \
 358 COLL_APPLY(action, COLL_REDUCE_SIG, rab) COLL_sep \
 359 COLL_APPLY(action, COLL_REDUCE_SIG, automatic)
 360
 361 COLL_REDUCES(COLL_PROTO, COLL_NOsep)
 362
 363 /*************
 364  * REDUCE_SCATTER *
 365  *************/
 366 #define COLL_REDUCE_SCATTER_SIG reduce_scatter, int, \
 367                           (void *sbuf, void *rbuf, int *rcounts,\
 368                     MPI_Datatype dtype,MPI_Op  op,MPI_Comm  comm)
 369
 370 #define COLL_REDUCE_SCATTERS(action, COLL_sep) \
 371 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, default) COLL_sep \
 372 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, ompi) COLL_sep \
 373 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, ompi_basic_recursivehalving) COLL_sep \
 374 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, ompi_ring)  COLL_sep \
 375 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, mpich) COLL_sep \
 376 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, mpich_pair) COLL_sep \
 377 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, mpich_rdb) COLL_sep \
 378 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, mpich_noncomm) COLL_sep \
 379 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, mvapich2) COLL_sep \
 380 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, impi) COLL_sep \
 381 COLL_APPLY(action, COLL_REDUCE_SCATTER_SIG, automatic)
 382
 383
 384
 385 COLL_REDUCE_SCATTERS(COLL_PROTO, COLL_NOsep)
 386
 387
 388 /*************
 389  * SCATTER *
 390  *************/
 391 #define COLL_SCATTER_SIG scatter, int, \
 392                 (void *sendbuf, int sendcount, MPI_Datatype sendtype,\
 393                 void *recvbuf, int recvcount, MPI_Datatype recvtype,\
 394                 int root, MPI_Comm comm)
 395
 396 #define COLL_SCATTERS(action, COLL_sep) \
 397 COLL_APPLY(action, COLL_SCATTER_SIG, default) COLL_sep \
 398 COLL_APPLY(action, COLL_SCATTER_SIG, ompi) COLL_sep \
 399 COLL_APPLY(action, COLL_SCATTER_SIG, ompi_basic_linear) COLL_sep \
 400 COLL_APPLY(action, COLL_SCATTER_SIG, ompi_binomial)  COLL_sep \
 401 COLL_APPLY(action, COLL_SCATTER_SIG, mpich)   COLL_sep \
 402 COLL_APPLY(action, COLL_SCATTER_SIG, mvapich2)   COLL_sep \
 403 COLL_APPLY(action, COLL_SCATTER_SIG, mvapich2_two_level_binomial)   COLL_sep \
 404 COLL_APPLY(action, COLL_SCATTER_SIG, mvapich2_two_level_direct)   COLL_sep \
 405 COLL_APPLY(action, COLL_SCATTER_SIG, impi)   COLL_sep \
 406 COLL_APPLY(action, COLL_SCATTER_SIG, automatic)
 407
 408 COLL_SCATTERS(COLL_PROTO, COLL_NOsep)
 409
 410 /*************
 411  * SCATTER *
 412  *************/
 413 #define COLL_BARRIER_SIG barrier, int, \
 414                 (MPI_Comm comm)
 415
 416 #define COLL_BARRIERS(action, COLL_sep) \
 417 COLL_APPLY(action, COLL_BARRIER_SIG, default) COLL_sep \
 418 COLL_APPLY(action, COLL_BARRIER_SIG, ompi) COLL_sep \
 419 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_basic_linear) COLL_sep \
 420 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_two_procs)  COLL_sep \
 421 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_tree)  COLL_sep \
 422 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_bruck)  COLL_sep \
 423 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_recursivedoubling) COLL_sep \
 424 COLL_APPLY(action, COLL_BARRIER_SIG, ompi_doublering) COLL_sep \
 425 COLL_APPLY(action, COLL_BARRIER_SIG, mpich)   COLL_sep \
 426 COLL_APPLY(action, COLL_BARRIER_SIG, mvapich2_pair)   COLL_sep \
 427 COLL_APPLY(action, COLL_BARRIER_SIG, mvapich2)   COLL_sep \
 428 COLL_APPLY(action, COLL_BARRIER_SIG, impi)   COLL_sep \
 429 COLL_APPLY(action, COLL_BARRIER_SIG, automatic)
 430
 431 COLL_BARRIERS(COLL_PROTO, COLL_NOsep)
 432
 433
 434 }
 435 }
 436
 437 #endif