1 /* Copyright (c) 2007-2023. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
9 #include "smpi_comm.hpp"
10 #include "smpi_info.hpp"
11 #include "smpi_errhandler.hpp"
12 #include "src/smpi/include/smpi_actor.hpp"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smpi_pmpi);
16 /* PMPI User level calls */
18 int PMPI_Comm_rank(MPI_Comm comm, int *rank)
21 CHECK_NULL(2, MPI_ERR_ARG, rank)
26 int PMPI_Comm_size(MPI_Comm comm, int *size)
29 CHECK_NULL(2, MPI_ERR_ARG, size)
34 int PMPI_Comm_get_name (MPI_Comm comm, char* name, int* len)
37 CHECK_NULL(2, MPI_ERR_ARG, name)
38 CHECK_NULL(3, MPI_ERR_ARG, len)
39 comm->get_name(name, len);
43 int PMPI_Comm_set_name (MPI_Comm comm, const char* name)
46 CHECK_NULL(2, MPI_ERR_ARG, name)
51 int PMPI_Comm_group(MPI_Comm comm, MPI_Group * group)
54 CHECK_NULL(2, MPI_ERR_ARG, group)
55 *group = comm->group();
56 if (*group != MPI_COMM_WORLD->group() && *group != MPI_GROUP_NULL && *group != MPI_GROUP_EMPTY)
61 int PMPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int *result)
65 CHECK_NULL(3, MPI_ERR_ARG, result)
66 if (comm1 == comm2) { /* Same communicators means same groups */
69 *result = comm1->group()->compare(comm2->group());
70 if (*result == MPI_IDENT) {
71 *result = MPI_CONGRUENT;
77 int PMPI_Comm_dup(MPI_Comm comm, MPI_Comm * newcomm)
80 CHECK_NULL(2, MPI_ERR_ARG, newcomm)
81 return comm->dup(newcomm);
84 int PMPI_Comm_dup_with_info(MPI_Comm comm, MPI_Info info, MPI_Comm * newcomm)
87 CHECK_NULL(2, MPI_ERR_ARG, newcomm)
88 comm->dup_with_info(info, newcomm);
92 int PMPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
96 CHECK_NULL(3, MPI_ERR_ARG, newcomm)
97 if (group->rank(simgrid::s4u::this_actor::get_pid()) == MPI_UNDEFINED) {
98 *newcomm= MPI_COMM_NULL;
102 *newcomm = new simgrid::smpi::Comm(group, nullptr);
107 int PMPI_Comm_free(MPI_Comm * comm)
109 CHECK_NULL(1, MPI_ERR_ARG, comm)
110 CHECK_COMM2(1, *comm)
111 CHECK_MPI_NULL(1, MPI_COMM_WORLD, MPI_ERR_COMM, *comm)
112 simgrid::smpi::Comm::destroy(*comm);
113 *comm = MPI_COMM_NULL;
117 int PMPI_Comm_disconnect(MPI_Comm * comm)
119 /* TODO: wait until all communication in comm are done */
120 CHECK_NULL(1, MPI_ERR_ARG, comm)
121 CHECK_COMM2(1, *comm)
122 simgrid::smpi::Comm::destroy(*comm);
123 *comm = MPI_COMM_NULL;
127 int PMPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
129 CHECK_NULL(4, MPI_ERR_ARG, comm_out)
131 CHECK_COLLECTIVE(comm, __func__)
132 if( color != MPI_UNDEFINED)//we use a negative value for MPI_UNDEFINED
133 CHECK_NEGATIVE(3, MPI_ERR_ARG, color)
134 const SmpiBenchGuard suspend_bench;
135 *comm_out = comm->split(color, key);
139 int PMPI_Comm_split_type(MPI_Comm comm, int split_type, int key, MPI_Info info, MPI_Comm *newcomm)
142 CHECK_NULL(5, MPI_ERR_ARG, newcomm)
143 CHECK_COLLECTIVE(comm, __func__)
144 const SmpiBenchGuard suspend_bench;
145 *newcomm = comm->split_type(split_type, key, info);
149 int PMPI_Comm_create_group(MPI_Comm comm, MPI_Group group, int, MPI_Comm* comm_out)
152 CHECK_GROUP(2, group)
153 CHECK_NULL(5, MPI_ERR_ARG, comm_out)
154 const SmpiBenchGuard suspend_bench;
155 int retval = MPI_Comm_create(comm, group, comm_out);
159 MPI_Comm PMPI_Comm_f2c(MPI_Fint comm){
161 return MPI_COMM_NULL;
162 return simgrid::smpi::Comm::f2c(comm);
165 MPI_Fint PMPI_Comm_c2f(MPI_Comm comm){
166 if(comm==MPI_COMM_NULL)
171 int PMPI_Comm_get_attr (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag)
173 return PMPI_Attr_get(comm, comm_keyval, attribute_val,flag);
176 int PMPI_Comm_set_attr (MPI_Comm comm, int comm_keyval, void *attribute_val)
178 return PMPI_Attr_put(comm, comm_keyval, attribute_val);
181 int PMPI_Comm_get_info(MPI_Comm comm, MPI_Info* info)
184 CHECK_NULL(2, MPI_ERR_ARG, info)
185 *info = new simgrid::smpi::Info(comm->info());
189 int PMPI_Comm_set_info(MPI_Comm comm, MPI_Info info)
192 comm->set_info(info);
196 int PMPI_Comm_delete_attr (MPI_Comm comm, int comm_keyval)
198 return PMPI_Attr_delete(comm, comm_keyval);
201 int PMPI_Comm_create_keyval(MPI_Comm_copy_attr_function* copy_fn, MPI_Comm_delete_attr_function* delete_fn, int* keyval,
204 return PMPI_Keyval_create(copy_fn, delete_fn, keyval, extra_state);
207 int PMPI_Comm_free_keyval(int* keyval) {
208 return PMPI_Keyval_free(keyval);
211 int PMPI_Comm_test_inter(MPI_Comm comm, int* flag){
220 int PMPI_Attr_delete(MPI_Comm comm, int keyval) {
222 CHECK_VAL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
223 if(keyval == MPI_TAG_UB||keyval == MPI_HOST||keyval == MPI_IO ||keyval == MPI_WTIME_IS_GLOBAL||keyval == MPI_APPNUM
224 ||keyval == MPI_UNIVERSE_SIZE||keyval == MPI_LASTUSEDCODE)
227 return comm->attr_delete<simgrid::smpi::Comm>(keyval);
230 int PMPI_Attr_get(MPI_Comm comm, int keyval, void* attr_value, int* flag) {
233 static int tag_ub = INT_MAX;
234 static int last_used_code = MPI_ERR_LASTCODE;
235 static int universe_size;
237 CHECK_NULL(4, MPI_ERR_ARG, flag)
240 CHECK_VAL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
247 *static_cast<int**>(attr_value) = &zero;
249 case MPI_UNIVERSE_SIZE:
251 universe_size = smpi_get_universe_size();
252 *static_cast<int**>(attr_value) = &universe_size;
254 case MPI_LASTUSEDCODE:
256 *static_cast<int**>(attr_value) = &last_used_code;
260 *static_cast<int**>(attr_value) = &tag_ub;
262 case MPI_WTIME_IS_GLOBAL:
264 *static_cast<int**>(attr_value) = &one;
267 return comm->attr_get<simgrid::smpi::Comm>(keyval, attr_value, flag);
271 int PMPI_Attr_put(MPI_Comm comm, int keyval, void* attr_value) {
273 CHECK_VAL(2, MPI_KEYVAL_INVALID, MPI_ERR_KEYVAL, keyval)
274 if(keyval == MPI_TAG_UB||keyval == MPI_HOST||keyval == MPI_IO ||keyval == MPI_WTIME_IS_GLOBAL||keyval == MPI_APPNUM
275 ||keyval == MPI_UNIVERSE_SIZE||keyval == MPI_LASTUSEDCODE)
278 return comm->attr_put<simgrid::smpi::Comm>(keyval, attr_value);
281 int PMPI_Errhandler_free(MPI_Errhandler* errhandler){
282 CHECK_NULL(1, MPI_ERR_ARG, errhandler)
283 CHECK_MPI_NULL(1, MPI_ERRHANDLER_NULL, MPI_ERR_ARG, *errhandler)
284 simgrid::smpi::Errhandler::unref(*errhandler);
285 *errhandler = MPI_ERRHANDLER_NULL;
289 int PMPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler){
290 CHECK_NULL(2, MPI_ERR_ARG, errhandler)
291 *errhandler=new simgrid::smpi::Errhandler(function);
292 (*errhandler)->add_f();
296 int PMPI_Errhandler_get(MPI_Comm comm, MPI_Errhandler* errhandler){
298 CHECK_NULL(1, MPI_ERR_ARG, errhandler)
299 *errhandler=comm->errhandler();
303 int PMPI_Errhandler_set(MPI_Comm comm, MPI_Errhandler errhandler){
305 CHECK_NULL(1, MPI_ERR_ARG, errhandler)
306 comm->set_errhandler(errhandler);
310 int PMPI_Comm_call_errhandler(MPI_Comm comm,int errorcode){
312 MPI_Errhandler err = comm->errhandler();
313 err->call(comm, errorcode);
314 simgrid::smpi::Errhandler::unref(err);
318 MPI_Errhandler PMPI_Errhandler_f2c(MPI_Fint errhan){
320 return MPI_ERRHANDLER_NULL;
321 return simgrid::smpi::Errhandler::f2c(errhan);
324 MPI_Fint PMPI_Errhandler_c2f(MPI_Errhandler errhan){
325 if(errhan==MPI_ERRHANDLER_NULL)
327 return errhan->c2f();
330 int PMPI_Comm_create_errhandler( MPI_Comm_errhandler_fn *function, MPI_Errhandler *errhandler){
331 return MPI_Errhandler_create(function, errhandler);
333 int PMPI_Comm_get_errhandler(MPI_Comm comm, MPI_Errhandler* errhandler){
334 return PMPI_Errhandler_get(comm, errhandler);
336 int PMPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler){
337 return PMPI_Errhandler_set(comm, errhandler);