/* smpi_coll.c -- various optimized routing for collectives */
-/* Copyright (c) 2009-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2019. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "smpi_request.hpp"
#include "xbt/config.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_coll, smpi, "Logging specific to SMPI (coll)");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_coll, smpi, "Logging specific to SMPI collectives.");
-#define COLL_SETTER(cat, ret, args, args2) \
- int(*Colls::cat) args; \
- void Colls::set_##cat(std::string name) \
- { \
- int id = find_coll_description(mpi_coll_##cat##_description, name, #cat); \
- cat = reinterpret_cast<ret(*) args>(mpi_coll_##cat##_description[id].coll); \
- if (cat == nullptr) \
- xbt_die("Collective " #cat " set to nullptr!"); \
- }
-
-namespace simgrid{
-namespace smpi{
-
-void (*Colls::smpi_coll_cleanup_callback)();
+namespace simgrid {
+namespace smpi {
/* these arrays must be nullptr terminated */
-s_mpi_coll_description_t Colls::mpi_coll_gather_description[] = {
- COLL_GATHERS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_allgather_description[] = {
- COLL_ALLGATHERS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_allgatherv_description[] = {
- COLL_ALLGATHERVS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_allreduce_description[] ={
- COLL_ALLREDUCES(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_reduce_scatter_description[] = {
- COLL_REDUCE_SCATTERS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_scatter_description[] ={
- COLL_SCATTERS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_barrier_description[] ={
- COLL_BARRIERS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_alltoall_description[] = {
- COLL_ALLTOALLS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_alltoallv_description[] = {
- COLL_ALLTOALLVS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_bcast_description[] = {
- COLL_BCASTS(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
-s_mpi_coll_description_t Colls::mpi_coll_reduce_description[] = {
- COLL_REDUCES(COLL_DESCRIPTION, COLL_COMMA), {"", "", nullptr} };
+s_mpi_coll_description_t mpi_coll_gather_description[] = {
+ {"default","gather default collective", (void*)gather__default},
+ {"ompi","gather ompi collective", (void*)gather__ompi},
+ {"ompi_basic_linear","gather ompi_basic_linear collective", (void*)gather__ompi_basic_linear},
+ {"ompi_binomial", "gather ompi_binomial collective", (void*)gather__ompi_binomial},
+ {"ompi_linear_sync", "gather ompi_linear_sync collective", (void*)gather__ompi_linear_sync},
+ {"mpich", "gather mpich collective", (void*)gather__mpich},
+ {"mvapich2","gather mvapich2 collective", (void*)gather__mvapich2},
+ {"mvapich2_two_level", "gather mvapich2_two_level collective", (void*)gather__mvapich2_two_level},
+ {"impi","gather impi collective", (void*)gather__impi},
+ {"automatic","gather automatic collective",(void*)gather__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_allgather_description[] = {
+ {"default", "allgather default collective", (void*)allgather__default},
+ {"2dmesh", "allgather 2dmesh collective", (void*)allgather__2dmesh},
+ {"3dmesh", "allgather 3dmesh collective", (void*)allgather__3dmesh},
+ {"bruck", "allgather bruck collective", (void*)allgather__bruck},
+ {"GB", "allgather GB collective", (void*)allgather__GB},
+ {"loosely_lr", "allgather loosely_lr collective", (void*)allgather__loosely_lr},
+ {"NTSLR", "allgather NTSLR collective", (void*)allgather__NTSLR},
+ {"NTSLR_NB", "allgather NTSLR_NB collective", (void*)allgather__NTSLR_NB},
+ {"pair", "allgather pair collective", (void*)allgather__pair},
+ {"rdb", "allgather rdb collective", (void*)allgather__rdb},
+ {"rhv", "allgather rhv collective", (void*)allgather__rhv},
+ {"ring", "allgather ring collective", (void*)allgather__ring },
+ {"SMP_NTS", "allgather SMP_NTS collective", (void*)allgather__SMP_NTS},
+ {"smp_simple", "allgather smp_simple collective", (void*)allgather__smp_simple},
+ {"spreading_simple", "allgather spreading_simple collective", (void*)allgather__spreading_simple},
+ {"ompi", "allgather ompi collective", (void*)allgather__ompi},
+ {"ompi_neighborexchange", "allgather ompi_neighborexchange collective", (void*)allgather__ompi_neighborexchange},
+ {"mvapich2", "allgather mvapich2 collective", (void*)allgather__mvapich2},
+ {"mvapich2_smp", "allgather mvapich2_smp collective", (void*)allgather__mvapich2_smp},
+ {"mpich", "allgather mpich collective", (void*)allgather__mpich},
+ {"impi", "allgather impi collective", (void*)allgather__impi},
+ {"automatic", "allgather automatic collective", (void*)allgather__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_allgatherv_description[] = {
+ {"default", "allgatherv default collective", (void*)allgatherv__default},
+ {"GB", "allgatherv GB collective", (void*)allgatherv__GB},
+ {"pair", "allgatherv pair collective", (void*)allgatherv__pair},
+ {"ring", "allgatherv ring collective", (void*)allgatherv__ring},
+ {"ompi", "allgatherv ompi collective", (void*)allgatherv__ompi},
+ {"ompi_neighborexchange", "allgatherv ompi_neighborexchange collective", (void*)allgatherv__ompi_neighborexchange},
+ {"ompi_bruck", "allgatherv ompi_bruck collective", (void*)allgatherv__ompi_bruck},
+ {"mpich", "allgatherv mpich collective", (void*)allgatherv__mpich},
+ {"mpich_rdb", "allgatherv mpich_rdb collective", (void*)allgatherv__mpich_rdb},
+ {"mpich_ring", "allgatherv mpich_ring collective", (void*)allgatherv__mpich_ring},
+ {"mvapich2", "allgatherv mvapich2 collective", (void*)allgatherv__mvapich2},
+ {"impi", "allgatherv impi collective", (void*)allgatherv__impi},
+ {"automatic", "allgatherv automatic collective", (void*)allgatherv__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_allreduce_description[] = {
+ {"default", "allreduce default collective", (void*)allreduce__default},
+ {"lr", "allreduce lr collective", (void*)allreduce__lr},
+ {"rab1", "allreduce rab1 collective", (void*)allreduce__rab1},
+ {"rab2", "allreduce rab2 collective", (void*)allreduce__rab2},
+ {"rab_rdb", "allreduce rab_rdb collective", (void*)allreduce__rab_rdb},
+ {"rdb", "allreduce rdb collective", (void*)allreduce__rdb},
+ {"smp_binomial", "allreduce smp_binomial collective", (void*)allreduce__smp_binomial},
+ {"smp_binomial_pipeline", "allreduce smp_binomial_pipeline collective", (void*)allreduce__smp_binomial_pipeline},
+ {"smp_rdb", "allreduce smp_rdb collective", (void*)allreduce__smp_rdb},
+ {"smp_rsag", "allreduce smp_rsag collective", (void*)allreduce__smp_rsag},
+ {"smp_rsag_lr", "allreduce smp_rsag_lr collective", (void*)allreduce__smp_rsag_lr},
+ {"smp_rsag_rab", "allreduce smp_rsag_rab collective", (void*)allreduce__smp_rsag_rab},
+ {"redbcast", "allreduce redbcast collective", (void*)allreduce__redbcast},
+ {"ompi", "allreduce ompi collective", (void*)allreduce__ompi},
+ {"ompi_ring_segmented", "allreduce ompi_ring_segmented collective", (void*)allreduce__ompi_ring_segmented},
+ {"mpich", "allreduce mpich collective", (void*)allreduce__mpich},
+ {"mvapich2", "allreduce mvapich2 collective", (void*)allreduce__mvapich2},
+ {"mvapich2_rs", "allreduce mvapich2_rs collective", (void*)allreduce__mvapich2_rs},
+ {"mvapich2_two_level", "allreduce mvapich2_two_level collective", (void*)allreduce__mvapich2_two_level},
+ {"impi", "allreduce impi collective", (void*)allreduce__impi},
+ {"rab", "allreduce rab collective", (void*)allreduce__rab},
+ {"automatic", "allreduce automatic collective", (void*)allreduce__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_reduce_scatter_description[] = {
+ {"default", "reduce_scatter default collective", (void*)reduce_scatter__default},
+ {"ompi", "reduce_scatter ompi collective", (void*)reduce_scatter__ompi},
+ {"ompi_basic_recursivehalving", "reduce_scatter ompi_basic_recursivehalving collective", (void*)reduce_scatter__ompi_basic_recursivehalving},
+ {"ompi_ring", "reduce_scatter ompi_ring collective", (void*)reduce_scatter__ompi_ring},
+ {"mpich", "reduce_scatter mpich collective", (void*)reduce_scatter__mpich},
+ {"mpich_pair", "reduce_scatter mpich_pair collective", (void*)reduce_scatter__mpich_pair},
+ {"mpich_rdb", "reduce_scatter mpich_rdb collective", (void*)reduce_scatter__mpich_rdb},
+ {"mpich_noncomm", "reduce_scatter mpich_noncomm collective", (void*)reduce_scatter__mpich_noncomm},
+ {"mvapich2", "reduce_scatter mvapich2 collective", (void*)reduce_scatter__mvapich2},
+ {"impi", "reduce_scatter impi collective", (void*)reduce_scatter__impi},
+ {"automatic", "reduce_scatter automatic collective", (void*)reduce_scatter__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_scatter_description[] = {
+ {"default", "scatter default collective", (void*)scatter__default},
+ {"ompi", "scatter ompi collective", (void*)scatter__ompi},
+ {"ompi_basic_linear", "scatter ompi_basic_linear collective", (void*)scatter__ompi_basic_linear},
+ {"ompi_binomial", "scatter ompi_binomial collective", (void*)scatter__ompi_binomial},
+ {"mpich", "scatter mpich collective", (void*)scatter__mpich},
+ {"mvapich2", "scatter mvapich2 collective", (void*)scatter__mvapich2},
+ {"mvapich2_two_level_binomial", "scatter mvapich2_two_level_binomial collective", (void*)scatter__mvapich2_two_level_binomial},
+ {"mvapich2_two_level_direct", "scatter mvapich2_two_level_direct collective", (void*)scatter__mvapich2_two_level_direct},
+ {"impi", "scatter impi collective", (void*)scatter__impi},
+ {"automatic", "scatter automatic collective", (void*)scatter__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_barrier_description[] = {
+ {"default", "barrier default collective", (void*)barrier__default},
+ {"ompi", "barrier ompi collective", (void*)barrier__ompi},
+ {"ompi_basic_linear", "barrier ompi_basic_linear collective", (void*)barrier__ompi_basic_linear},
+ {"ompi_two_procs", "barrier ompi_two_procs collective", (void*)barrier__ompi_two_procs},
+ {"ompi_tree", "barrier ompi_tree collective", (void*)barrier__ompi_tree},
+ {"ompi_bruck", "barrier ompi_bruck collective", (void*)barrier__ompi_bruck},
+ {"ompi_recursivedoubling", "barrier ompi_recursivedoubling collective", (void*)barrier__ompi_recursivedoubling},
+ {"ompi_doublering", "barrier ompi_doublering collective", (void*)barrier__ompi_doublering},
+ {"mpich_smp", "barrier mpich_smp collective", (void*)barrier__mpich_smp},
+ {"mpich", "barrier mpich collective", (void*)barrier__mpich},
+ {"mvapich2_pair", "barrier mvapich2_pair collective", (void*)barrier__mvapich2_pair},
+ {"mvapich2", "barrier mvapich2 collective", (void*)barrier__mvapich2},
+ {"impi", "barrier impi collective", (void*)barrier__impi},
+ {"automatic", "barrier automatic collective", (void*)barrier__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_alltoall_description[] = {
+ {"default", "alltoall default collective", (void*)alltoall__default},
+ {"2dmesh", "alltoall 2dmesh collective", (void*)alltoall__2dmesh},
+ {"3dmesh", "alltoall 3dmesh collective", (void*)alltoall__3dmesh},
+ {"basic_linear", "alltoall basic_linear collective", (void*)alltoall__basic_linear},
+ {"bruck", "alltoall bruck collective", (void*)alltoall__bruck},
+ {"pair", "alltoall pair collective", (void*)alltoall__pair},
+ {"pair_rma", "alltoall pair_rma collective", (void*)alltoall__pair_rma},
+ {"pair_light_barrier", "alltoall pair_light_barrier collective", (void*)alltoall__pair_light_barrier},
+ {"pair_mpi_barrier", "alltoall pair_mpi_barrier collective", (void*)alltoall__pair_mpi_barrier},
+ {"pair_one_barrier", "alltoall pair_one_barrier collective", (void*)alltoall__pair_one_barrier},
+ {"rdb", "alltoall rdb collective", (void*)alltoall__rdb},
+ {"ring", "alltoall ring collective", (void*)alltoall__ring},
+ {"ring_light_barrier", "alltoall ring_light_barrier collective", (void*)alltoall__ring_light_barrier},
+ {"ring_mpi_barrier", "alltoall ring_mpi_barrier collective", (void*)alltoall__ring_mpi_barrier},
+ {"ring_one_barrier", "alltoall ring_one_barrier collective", (void*)alltoall__ring_one_barrier},
+ {"mvapich2", "alltoall mvapich2 collective", (void*)alltoall__mvapich2},
+ {"mvapich2_scatter_dest", "alltoall mvapich2_scatter_dest collective", (void*)alltoall__mvapich2_scatter_dest},
+ {"ompi", "alltoall ompi collective", (void*)alltoall__ompi},
+ {"mpich", "alltoall mpich collective", (void*)alltoall__mpich},
+ {"impi", "alltoall impi collective", (void*)alltoall__impi},
+ {"automatic", "alltoall automatic collective", (void*)alltoall__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_alltoallv_description[] = {
+ {"default", "alltoallv default collective", (void*)alltoallv__default},
+ {"bruck", "alltoallv bruck collective", (void*)alltoallv__bruck},
+ {"pair", "alltoallv pair collective", (void*)alltoallv__pair},
+ {"pair_light_barrier", "alltoallv pair_light_barrier collective", (void*)alltoallv__pair_light_barrier},
+ {"pair_mpi_barrier", "alltoallv pair_mpi_barrier collective", (void*)alltoallv__pair_mpi_barrier},
+ {"pair_one_barrier", "alltoallv pair_one_barrier collective", (void*)alltoallv__pair_one_barrier},
+ {"ring", "alltoallv ring collective", (void*)alltoallv__ring},
+ {"ring_light_barrier", "alltoallv ring_light_barrier collective", (void*)alltoallv__ring_light_barrier},
+ {"ring_mpi_barrier", "alltoallv ring_mpi_barrier collective", (void*)alltoallv__ring_mpi_barrier},
+ {"ring_one_barrier", "alltoallv ring_one_barrier collective", (void*)alltoallv__ring_one_barrier},
+ {"ompi", "alltoallv ompi collective", (void*)alltoallv__ompi},
+ {"mpich", "alltoallv mpich collective", (void*)alltoallv__mpich},
+ {"ompi_basic_linear", "alltoallv ompi_basic_linear collective", (void*)alltoallv__ompi_basic_linear},
+ {"mvapich2", "alltoallv mvapich2 collective", (void*)alltoallv__mvapich2},
+ {"impi", "alltoallv impi collective", (void*)alltoallv__impi},
+ {"automatic", "alltoallv automatic collective", (void*)alltoallv__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_bcast_description[] = {
+ {"default", "bcast default collective", (void*)bcast__default},
+ {"arrival_pattern_aware", "bcast arrival_pattern_aware collective", (void*)bcast__arrival_pattern_aware},
+ {"arrival_pattern_aware_wait", "bcast arrival_pattern_aware_wait collective", (void*)bcast__arrival_pattern_aware_wait},
+ {"arrival_scatter", "bcast arrival_scatter collective", (void*)bcast__arrival_scatter},
+ {"binomial_tree", "bcast binomial_tree collective", (void*)bcast__binomial_tree},
+ {"flattree", "bcast flattree collective", (void*)bcast__flattree},
+ {"flattree_pipeline", "bcast flattree_pipeline collective", (void*)bcast__flattree_pipeline},
+ {"NTSB", "bcast NTSB collective", (void*)bcast__NTSB},
+ {"NTSL", "bcast NTSL collective", (void*)bcast__NTSL},
+ {"NTSL_Isend", "bcast NTSL_Isend collective", (void*)bcast__NTSL_Isend},
+ {"scatter_LR_allgather", "bcast scatter_LR_allgather collective", (void*)bcast__scatter_LR_allgather},
+ {"scatter_rdb_allgather", "bcast scatter_rdb_allgather collective", (void*)bcast__scatter_rdb_allgather},
+ {"SMP_binary", "bcast SMP_binary collective", (void*)bcast__SMP_binary},
+ {"SMP_binomial", "bcast SMP_binomial collective", (void*)bcast__SMP_binomial},
+ {"SMP_linear", "bcast SMP_linear collective", (void*)bcast__SMP_linear},
+ {"ompi", "bcast ompi collective", (void*)bcast__ompi},
+ {"ompi_split_bintree", "bcast ompi_split_bintree collective", (void*)bcast__ompi_split_bintree},
+ {"ompi_pipeline", "bcast ompi_pipeline collective", (void*)bcast__ompi_pipeline},
+ {"mpich", "bcast mpich collective", (void*)bcast__mpich},
+ {"mvapich2", "bcast mvapich2 collective", (void*)bcast__mvapich2},
+ {"mvapich2_inter_node", "bcast mvapich2_inter_node collective", (void*)bcast__mvapich2_inter_node},
+ {"mvapich2_intra_node", "bcast mvapich2_intra_node collective", (void*)bcast__mvapich2_intra_node},
+ {"mvapich2_knomial_intra_node", "bcast mvapich2_knomial_intra_node collective", (void*)bcast__mvapich2_knomial_intra_node},
+ {"impi", "bcast impi collective", (void*)bcast__impi},
+ {"automatic", "bcast automatic collective", (void*)bcast__automatic},
+ {"", "", nullptr}};
+s_mpi_coll_description_t mpi_coll_reduce_description[] = {
+ {"default", "reduce default collective", (void*)reduce__default},
+ {"arrival_pattern_aware", "reduce arrival_pattern_aware collective", (void*)reduce__arrival_pattern_aware},
+ {"binomial", "reduce binomial collective", (void*)reduce__binomial},
+ {"flat_tree", "reduce flat_tree collective", (void*)reduce__flat_tree},
+ {"NTSL", "reduce NTSL collective", (void*)reduce__NTSL},
+ {"scatter_gather", "reduce scatter_gather collective", (void*)reduce__scatter_gather},
+ {"ompi", "reduce ompi collective", (void*)reduce__ompi},
+ {"ompi_chain", "reduce ompi_chain collective", (void*)reduce__ompi_chain},
+ {"ompi_pipeline", "reduce ompi_pipeline collective", (void*)reduce__ompi_pipeline},
+ {"ompi_basic_linear", "reduce ompi_basic_linear collective", (void*)reduce__ompi_basic_linear},
+ {"ompi_in_order_binary", "reduce ompi_in_order_binary collective", (void*)reduce__ompi_in_order_binary},
+ {"ompi_binary", "reduce ompi_binary collective", (void*)reduce__ompi_binary},
+ {"ompi_binomial", "reduce ompi_binomial collective", (void*)reduce__ompi_binomial},
+ {"mpich", "reduce mpich collective", (void*)reduce__mpich},
+ {"mvapich2", "reduce mvapich2 collective", (void*)reduce__mvapich2},
+ {"mvapich2_knomial", "reduce mvapich2_knomial collective", (void*)reduce__mvapich2_knomial},
+ {"mvapich2_two_level", "reduce mvapich2_two_level collective", (void*)reduce__mvapich2_two_level},
+ {"impi", "reduce impi collective", (void*)reduce__impi},
+ {"rab", "reduce rab collective", (void*)reduce__rab},
+ {"automatic", "reduce automatic collective", (void*)reduce__automatic},
+ {"", "", nullptr}};
+
+// Needed by the automatic selector weird implementation
+s_mpi_coll_description_t* colls::get_smpi_coll_description(const char* name, int rank)
+{
+ if (strcmp(name, "gather") == 0)
+ return &mpi_coll_gather_description[rank];
+ if (strcmp(name, "allgather") == 0)
+ return &mpi_coll_allgather_description[rank];
+ if (strcmp(name, "allgatherv") == 0)
+ return &mpi_coll_allgatherv_description[rank];
+ if (strcmp(name, "allreduce") == 0)
+ return &mpi_coll_allreduce_description[rank];
+ if (strcmp(name, "reduce_scatter") == 0)
+ return &mpi_coll_reduce_scatter_description[rank];
+ if (strcmp(name, "scatter") == 0)
+ return &mpi_coll_scatter_description[rank];
+ if (strcmp(name, "barrier") == 0)
+ return &mpi_coll_barrier_description[rank];
+ if (strcmp(name, "alltoall") == 0)
+ return &mpi_coll_alltoall_description[rank];
+ if (strcmp(name, "alltoallv") == 0)
+ return &mpi_coll_alltoallv_description[rank];
+ if (strcmp(name, "bcast") == 0)
+ return &mpi_coll_bcast_description[rank];
+ if (strcmp(name, "reduce") == 0)
+ return &mpi_coll_reduce_description[rank];
+ XBT_INFO("You requested an unknown collective: %s", name);
+ return nullptr;
+}
/** Displays the long description of all registered models, and quit */
-void Colls::coll_help(const char *category, s_mpi_coll_description_t * table)
+void colls::coll_help(const char* category, s_mpi_coll_description_t* table)
{
XBT_WARN("Long description of the %s models accepted by this simulator:\n", category);
for (int i = 0; not table[i].name.empty(); i++)
XBT_WARN(" %s: %s\n", table[i].name.c_str(), table[i].description.c_str());
}
-int Colls::find_coll_description(s_mpi_coll_description_t* table, std::string name, const char* desc)
+int colls::find_coll_description(s_mpi_coll_description_t* table, const std::string& name, const char* desc)
{
for (int i = 0; not table[i].name.empty(); i++)
if (name == table[i].name) {
return -1;
}
-COLL_APPLY(COLL_SETTER,COLL_GATHER_SIG,"");
+int (*colls::gather)(const void* send_buff, int send_count, MPI_Datatype send_type, void* recv_buff, int recv_count,
+ MPI_Datatype recv_type, int root, MPI_Comm comm);
+int (*colls::allgather)(const void* send_buff, int send_count, MPI_Datatype send_type, void* recv_buff, int recv_count,
+ MPI_Datatype recv_type, MPI_Comm comm);
+int (*colls::allgatherv)(const void* send_buff, int send_count, MPI_Datatype send_type, void* recv_buff,
+ const int* recv_count, const int* recv_disps, MPI_Datatype recv_type, MPI_Comm comm);
+int (*colls::alltoall)(const void* send_buff, int send_count, MPI_Datatype send_type, void* recv_buff, int recv_count,
+ MPI_Datatype recv_type, MPI_Comm comm);
+int (*colls::alltoallv)(const void* send_buff, const int* send_counts, const int* send_disps, MPI_Datatype send_type,
+ void* recv_buff, const int* recv_counts, const int* recv_disps, MPI_Datatype recv_type,
+ MPI_Comm comm);
+int (*colls::bcast)(void* buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm);
+int (*colls::reduce)(const void* buf, void* rbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm);
+int (*colls::allreduce)(const void* sbuf, void* rbuf, int rcount, MPI_Datatype dtype, MPI_Op op, MPI_Comm comm);
+int (*colls::reduce_scatter)(const void* sbuf, void* rbuf, const int* rcounts, MPI_Datatype dtype, MPI_Op op,
+ MPI_Comm comm);
+int (*colls::scatter)(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
+ MPI_Datatype recvtype, int root, MPI_Comm comm);
+int (*colls::barrier)(MPI_Comm comm);
+
+void (*colls::smpi_coll_cleanup_callback)();
+
+#define COLL_SETTER(cat, ret, args, args2) \
+ void colls::_XBT_CONCAT(set_, cat)(const std::string& name) \
+ { \
+ int id = find_coll_description(_XBT_CONCAT3(mpi_coll_, cat, _description), name, _XBT_STRINGIFY(cat)); \
+ cat = reinterpret_cast<ret(*) args>(_XBT_CONCAT3(mpi_coll_, cat, _description)[id].coll); \
+ if (cat == nullptr) \
+ xbt_die("Collective " _XBT_STRINGIFY(cat) " set to nullptr!"); \
+ }
+COLL_APPLY(COLL_SETTER, COLL_GATHER_SIG, "");
COLL_APPLY(COLL_SETTER,COLL_ALLGATHER_SIG,"");
COLL_APPLY(COLL_SETTER,COLL_ALLGATHERV_SIG,"");
COLL_APPLY(COLL_SETTER,COLL_REDUCE_SIG,"");
COLL_APPLY(COLL_SETTER,COLL_ALLTOALL_SIG,"");
COLL_APPLY(COLL_SETTER,COLL_ALLTOALLV_SIG,"");
-void Colls::set_collectives(){
+void colls::set_collectives()
+{
std::string selector_name = simgrid::config::get_value<std::string>("smpi/coll-selector");
if (selector_name.empty())
selector_name = "default";
std::pair<std::string, std::function<void(std::string)>> setter_callbacks[] = {
- {"gather", &Colls::set_gather}, {"allgather", &Colls::set_allgather},
- {"allgatherv", &Colls::set_allgatherv}, {"allreduce", &Colls::set_allreduce},
- {"alltoall", &Colls::set_alltoall}, {"alltoallv", &Colls::set_alltoallv},
- {"reduce", &Colls::set_reduce}, {"reduce_scatter", &Colls::set_reduce_scatter},
- {"scatter", &Colls::set_scatter}, {"bcast", &Colls::set_bcast},
- {"barrier", &Colls::set_barrier}};
+ {"gather", &colls::set_gather}, {"allgather", &colls::set_allgather},
+ {"allgatherv", &colls::set_allgatherv}, {"allreduce", &colls::set_allreduce},
+ {"alltoall", &colls::set_alltoall}, {"alltoallv", &colls::set_alltoallv},
+ {"reduce", &colls::set_reduce}, {"reduce_scatter", &colls::set_reduce_scatter},
+ {"scatter", &colls::set_scatter}, {"bcast", &colls::set_bcast},
+ {"barrier", &colls::set_barrier}};
for (auto& elem : setter_callbacks) {
std::string name = simgrid::config::get_value<std::string>(("smpi/" + elem.first).c_str());
}
}
+//Implementations of the single algorithm collectives
-//Implementations of the single algorith collectives
-
-int Colls::gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype, void *recvbuf, int *recvcounts, int *displs,
- MPI_Datatype recvtype, int root, MPI_Comm comm)
+int colls::gatherv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, const int* recvcounts,
+ const int* displs, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
- int system_tag = COLL_TAG_GATHERV;
- MPI_Aint lb = 0;
- MPI_Aint recvext = 0;
-
- int rank = comm->rank();
- int size = comm->size();
- if (rank != root) {
- // Send buffer to root
- Request::send(sendbuf, sendcount, sendtype, root, system_tag, comm);
- } else {
- recvtype->extent(&lb, &recvext);
- // Local copy from root
- Datatype::copy(sendbuf, sendcount, sendtype, static_cast<char*>(recvbuf) + displs[root] * recvext,
- recvcounts[root], recvtype);
- // Receive buffers from senders
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- int index = 0;
- for (int src = 0; src < size; src++) {
- if(src != root) {
- requests[index] = Request::irecv_init(static_cast<char*>(recvbuf) + displs[src] * recvext,
- recvcounts[src], recvtype, src, system_tag, comm);
- index++;
- }
- }
- // Wait for completion of irecv's.
- Request::startall(size - 1, requests);
- Request::waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for (int src = 0; src < size-1; src++) {
- Request::unref(&requests[src]);
- }
- xbt_free(requests);
- }
- return MPI_SUCCESS;
+ MPI_Request request;
+ colls::igatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, root, comm, &request, 0);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
}
-
-int Colls::scatterv(void *sendbuf, int *sendcounts, int *displs, MPI_Datatype sendtype, void *recvbuf, int recvcount,
- MPI_Datatype recvtype, int root, MPI_Comm comm)
+int colls::scatterv(const void* sendbuf, const int* sendcounts, const int* displs, MPI_Datatype sendtype, void* recvbuf,
+ int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm)
{
- int system_tag = COLL_TAG_SCATTERV;
- MPI_Aint lb = 0;
- MPI_Aint sendext = 0;
-
- int rank = comm->rank();
- int size = comm->size();
- if(rank != root) {
- // Recv buffer from root
- Request::recv(recvbuf, recvcount, recvtype, root, system_tag, comm, MPI_STATUS_IGNORE);
- } else {
- sendtype->extent(&lb, &sendext);
- // Local copy from root
- if(recvbuf!=MPI_IN_PLACE){
- Datatype::copy(static_cast<char *>(sendbuf) + displs[root] * sendext, sendcounts[root],
- sendtype, recvbuf, recvcount, recvtype);
- }
- // Send buffers to receivers
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- int index = 0;
- for (int dst = 0; dst < size; dst++) {
- if (dst != root) {
- requests[index] = Request::isend_init(static_cast<char *>(sendbuf) + displs[dst] * sendext, sendcounts[dst],
- sendtype, dst, system_tag, comm);
- index++;
- }
- }
- // Wait for completion of isend's.
- Request::startall(size - 1, requests);
- Request::waitall(size - 1, requests, MPI_STATUS_IGNORE);
- for (int dst = 0; dst < size-1; dst++) {
- Request::unref(&requests[dst]);
- }
- xbt_free(requests);
- }
- return MPI_SUCCESS;
+ MPI_Request request;
+ colls::iscatterv(sendbuf, sendcounts, displs, sendtype, recvbuf, recvcount, recvtype, root, comm, &request, 0);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
}
-
-int Colls::scan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+int colls::scan(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
MPI_Aint lb = 0;
Datatype::copy(sendbuf, count, datatype, recvbuf, count, datatype);
// Send/Recv buffers to/from others
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- void **tmpbufs = xbt_new(void *, rank);
+ MPI_Request* requests = new MPI_Request[size - 1];
+ unsigned char** tmpbufs = new unsigned char*[rank];
int index = 0;
for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
for(index = 0; index < size-1; index++) {
Request::unref(&requests[index]);
}
- xbt_free(tmpbufs);
- xbt_free(requests);
+ delete[] tmpbufs;
+ delete[] requests;
return MPI_SUCCESS;
}
-int Colls::exscan(void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+int colls::exscan(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
{
int system_tag = -888;
MPI_Aint lb = 0;
datatype->extent(&lb, &dataext);
// Send/Recv buffers to/from others
- MPI_Request *requests = xbt_new(MPI_Request, size - 1);
- void **tmpbufs = xbt_new(void *, rank);
+ MPI_Request* requests = new MPI_Request[size - 1];
+ unsigned char** tmpbufs = new unsigned char*[rank];
int index = 0;
for (int other = 0; other < rank; other++) {
tmpbufs[index] = smpi_get_tmp_sendbuffer(count * dataext);
for(index = 0; index < size-1; index++) {
Request::unref(&requests[index]);
}
- xbt_free(tmpbufs);
- xbt_free(requests);
+ delete[] tmpbufs;
+ delete[] requests;
return MPI_SUCCESS;
}
+int colls::alltoallw(const void* sendbuf, const int* sendcounts, const int* senddisps, const MPI_Datatype* sendtypes,
+ void* recvbuf, const int* recvcounts, const int* recvdisps, const MPI_Datatype* recvtypes,
+ MPI_Comm comm)
+{
+ MPI_Request request;
+ colls::ialltoallw(sendbuf, sendcounts, senddisps, sendtypes, recvbuf, recvcounts, recvdisps, recvtypes, comm,
+ &request, 0);
+ return Request::wait(&request, MPI_STATUS_IGNORE);
+}
+
}
}
