1 | /*! |
---|
2 | \file ep_message.cpp |
---|
3 | \since 2 may 2016 |
---|
4 | |
---|
5 | \brief Definitions of MPI endpoint function: Message_Check |
---|
6 | */ |
---|
7 | |
---|
8 | #include "ep_lib.hpp" |
---|
9 | #include <mpi.h> |
---|
10 | #include "ep_declaration.hpp" |
---|
11 | #include "ep_mpi.hpp" |
---|
12 | |
---|
13 | using namespace std; |
---|
14 | |
---|
15 | extern std::list< ep_lib::MPI_Request* > * EP_PendingRequests; |
---|
16 | #pragma omp threadprivate(EP_PendingRequests) |
---|
17 | |
---|
18 | namespace ep_lib |
---|
19 | { |
---|
20 | int Request_Check() |
---|
21 | { |
---|
22 | if(EP_PendingRequests == 0 ) EP_PendingRequests = new std::list< MPI_Request* >; |
---|
23 | |
---|
24 | if(EP_PendingRequests->size() == 0) return 0; |
---|
25 | |
---|
26 | MPI_Status status; |
---|
27 | MPI_Message *message; |
---|
28 | int probed = false; |
---|
29 | int recv_count = 0; |
---|
30 | std::list<MPI_Request* >::iterator it; |
---|
31 | |
---|
32 | |
---|
33 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); it++) |
---|
34 | { |
---|
35 | Message_Check(((*(*it))->comm)); |
---|
36 | } |
---|
37 | |
---|
38 | |
---|
39 | for(it = EP_PendingRequests->begin(); it!=EP_PendingRequests->end(); ) |
---|
40 | { |
---|
41 | if((*(*it))->state == 0) |
---|
42 | { |
---|
43 | #pragma omp critical (_query0) |
---|
44 | { |
---|
45 | MPI_Iprobe((*(*it))->ep_src, (*(*it))->ep_tag, ((*(*it))->comm), &probed, &status); |
---|
46 | if(probed) |
---|
47 | { |
---|
48 | message = new MPI_Message; |
---|
49 | *message = new ep_message; |
---|
50 | |
---|
51 | memcheck("new "<< message <<" : in ep_lib::Request_Check, message = new MPI_Message"); |
---|
52 | memcheck("new "<< *message <<" : in ep_lib::Request_Check, *message = new ep_message"); |
---|
53 | |
---|
54 | |
---|
55 | MPI_Improbe((*(*it))->ep_src, (*(*it))->ep_tag, (*(*it))->comm, &probed, message, &status); |
---|
56 | |
---|
57 | } |
---|
58 | } |
---|
59 | |
---|
60 | |
---|
61 | if(probed) |
---|
62 | { |
---|
63 | ::MPI_Get_count(to_mpi_status_ptr(status), to_mpi_type((*(*it))->ep_datatype), &recv_count); |
---|
64 | |
---|
65 | MPI_Imrecv((*(*it))->buf, recv_count, (*(*it))->ep_datatype, message, *it); |
---|
66 | (*(*it))->type = 3; |
---|
67 | (*(*it))->state = 1; |
---|
68 | |
---|
69 | memcheck("delete "<< status.mpi_status <<" : in ep_lib::Request_Check, delete status.mpi_status"); |
---|
70 | delete status.mpi_status; |
---|
71 | |
---|
72 | memcheck("delete "<< *message <<" : in ep_lib::Request_Check, delete *message"); |
---|
73 | memcheck("delete "<< message <<" : in ep_lib::Request_Check, delete message"); |
---|
74 | |
---|
75 | delete *message; |
---|
76 | delete message; |
---|
77 | |
---|
78 | it++; |
---|
79 | continue; |
---|
80 | } |
---|
81 | } |
---|
82 | |
---|
83 | if((*(*it))->state == 2) |
---|
84 | { |
---|
85 | int ep_rank = ((*(*it))->comm)->ep_comm_ptr->size_rank_info[0].first; |
---|
86 | memcheck("delete "<< (*(*it)) <<" : in ep_lib::Request_Check, delete (*(*it))"); |
---|
87 | delete (*(*it)); |
---|
88 | |
---|
89 | EP_PendingRequests->erase(it); |
---|
90 | memcheck("EP_PendingRequests["<<ep_rank<<"]->size() = " << EP_PendingRequests->size()); |
---|
91 | it = EP_PendingRequests->begin(); |
---|
92 | continue; |
---|
93 | } |
---|
94 | else it++; |
---|
95 | } |
---|
96 | } |
---|
97 | |
---|
98 | |
---|
99 | |
---|
100 | int Message_Check(MPI_Comm comm) |
---|
101 | { |
---|
102 | if(!comm->is_ep) return MPI_SUCCESS; |
---|
103 | |
---|
104 | if(comm->is_intercomm) |
---|
105 | { |
---|
106 | return Message_Check_intercomm(comm); |
---|
107 | } |
---|
108 | |
---|
109 | return Message_Check_intracomm(comm); |
---|
110 | |
---|
111 | } |
---|
112 | |
---|
113 | |
---|
114 | int Message_Check_intracomm(MPI_Comm comm) |
---|
115 | { |
---|
116 | |
---|
117 | int flag = true; |
---|
118 | ::MPI_Status status; |
---|
119 | ::MPI_Message message; |
---|
120 | |
---|
121 | while(flag) // loop until the end of global queue |
---|
122 | { |
---|
123 | Debug("Message probing for intracomm\n"); |
---|
124 | |
---|
125 | #pragma omp critical (_mpi_call) |
---|
126 | { |
---|
127 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->mpi_comm), &flag, &status); |
---|
128 | if(flag) |
---|
129 | { |
---|
130 | Debug("find message in mpi comm \n"); |
---|
131 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->mpi_comm), &message, &status); |
---|
132 | } |
---|
133 | } |
---|
134 | |
---|
135 | |
---|
136 | if(flag) |
---|
137 | { |
---|
138 | MPI_Message msg = new ep_message; |
---|
139 | msg->mpi_message = new ::MPI_Message(message); |
---|
140 | |
---|
141 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
---|
142 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
---|
143 | |
---|
144 | |
---|
145 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
---|
146 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
---|
147 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
---|
148 | int src_mpi = status.MPI_SOURCE; |
---|
149 | |
---|
150 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
---|
151 | msg->mpi_status = new ::MPI_Status(status); |
---|
152 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
---|
153 | |
---|
154 | #pragma omp critical (_query) |
---|
155 | { |
---|
156 | #pragma omp flush |
---|
157 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
---|
158 | int dest_mpi = comm->ep_comm_ptr->size_rank_info[2].first; |
---|
159 | memcheck("message_queue["<<dest_mpi<<","<<dest_loc<<"]->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
---|
160 | #pragma omp flush |
---|
161 | } |
---|
162 | } |
---|
163 | } |
---|
164 | |
---|
165 | return MPI_SUCCESS; |
---|
166 | } |
---|
167 | |
---|
168 | |
---|
169 | |
---|
170 | |
---|
171 | |
---|
172 | |
---|
173 | |
---|
174 | int Message_Check_intercomm(MPI_Comm comm) |
---|
175 | { |
---|
176 | if(!comm->ep_comm_ptr->intercomm->mpi_inter_comm) return 0; |
---|
177 | |
---|
178 | Debug("Message probing for intercomm\n"); |
---|
179 | |
---|
180 | int flag = true; |
---|
181 | ::MPI_Message message; |
---|
182 | ::MPI_Status status; |
---|
183 | int current_ep_rank; |
---|
184 | MPI_Comm_rank(comm, ¤t_ep_rank); |
---|
185 | |
---|
186 | while(flag) // loop until the end of global queue "comm->ep_comm_ptr->intercomm->mpi_inter_comm" |
---|
187 | { |
---|
188 | Debug("Message probing for intracomm\n"); |
---|
189 | |
---|
190 | #pragma omp critical (_mpi_call) |
---|
191 | { |
---|
192 | ::MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &flag, &status); |
---|
193 | if(flag) |
---|
194 | { |
---|
195 | Debug("find message in mpi comm \n"); |
---|
196 | ::MPI_Mprobe(status.MPI_SOURCE, status.MPI_TAG, to_mpi_comm(comm->ep_comm_ptr->intercomm->mpi_inter_comm), &message, &status); |
---|
197 | } |
---|
198 | } |
---|
199 | |
---|
200 | |
---|
201 | if(flag) |
---|
202 | { |
---|
203 | |
---|
204 | MPI_Message msg = new ep_message; |
---|
205 | msg->mpi_message = new ::MPI_Message(message); |
---|
206 | |
---|
207 | memcheck("new "<< msg <<" : in ep_lib::Message_Check, msg = new ep_message"); |
---|
208 | memcheck("new "<< msg->mpi_message <<" : in ep_lib::Message_Check, msg->mpi_message = new ::MPI_Message"); |
---|
209 | |
---|
210 | |
---|
211 | msg->ep_tag = bitset<15>(status.MPI_TAG >> 16).to_ulong(); |
---|
212 | int src_loc = bitset<8> (status.MPI_TAG >> 8) .to_ulong(); |
---|
213 | int dest_loc = bitset<8> (status.MPI_TAG) .to_ulong(); |
---|
214 | int src_mpi = status.MPI_SOURCE; |
---|
215 | int current_inter = comm->ep_comm_ptr->intercomm->local_rank_map->at(current_ep_rank).first; |
---|
216 | |
---|
217 | msg->ep_src = get_ep_rank(comm, src_loc, src_mpi); |
---|
218 | msg->mpi_status = new ::MPI_Status(status); |
---|
219 | memcheck("new "<< msg->mpi_status <<" : in ep_lib::Message_Check, msg->mpi_status = new ::MPI_Status"); |
---|
220 | |
---|
221 | #pragma omp critical (_query) |
---|
222 | { |
---|
223 | #pragma omp flush |
---|
224 | comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->push_back(msg); |
---|
225 | memcheck("comm->ep_comm_ptr->comm_list["<<dest_loc<<"]->ep_comm_ptr->message_queue->size = "<<comm->ep_comm_ptr->comm_list[dest_loc]->ep_comm_ptr->message_queue->size()); |
---|
226 | #pragma omp flush |
---|
227 | } |
---|
228 | } |
---|
229 | } |
---|
230 | |
---|
231 | Message_Check_intracomm(comm); |
---|
232 | |
---|
233 | return MPI_SUCCESS; |
---|
234 | } |
---|
235 | |
---|
236 | |
---|
237 | |
---|
238 | } |
---|