1 /* Copyright (c) 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
16 static xbt_dynar_t comm_lookup = NULL;
17 static xbt_dict_t request_lookup = NULL;
18 static xbt_dynar_t datatype_lookup = NULL;
19 static xbt_dynar_t op_lookup = NULL;
21 #define KEY_SIZE (sizeof(int) * 2 + 1)
23 static int new_comm(MPI_Comm comm) {
24 xbt_dynar_push(comm_lookup, &comm);
25 return (int)xbt_dynar_length(comm_lookup) - 1;
28 static MPI_Comm get_comm(int comm) {
31 } else if(comm_lookup && comm >= 0 && comm < (int)xbt_dynar_length(comm_lookup)) {
32 return *(MPI_Comm*)xbt_dynar_get_ptr(comm_lookup, comm);
37 static char* get_key(char* key, int id) {
38 snprintf(key, KEY_SIZE, "%x", id);
42 static int new_request(MPI_Request req) {
43 static int request_id = INT_MIN;
46 xbt_dict_set(request_lookup, get_key(key, request_id), req, NULL);
50 static MPI_Request find_request(int req) {
53 return (MPI_Request)xbt_dict_get(request_lookup, get_key(key, req));
56 static int new_datatype(MPI_Datatype datatype) {
57 xbt_dynar_push(datatype_lookup, &datatype);
58 return (int)xbt_dynar_length(datatype_lookup) - 1;
61 static MPI_Datatype get_datatype(int datatype) {
63 ? *(MPI_Datatype*)xbt_dynar_get_ptr(datatype_lookup, datatype)
67 static int new_op(MPI_Op op) {
68 xbt_dynar_push(op_lookup, &op);
69 return (int)xbt_dynar_length(op_lookup) - 1;
72 static MPI_Op get_op(int op) {
74 ? *(MPI_Op*)xbt_dynar_get_ptr(op_lookup, op)
78 void mpi_init__(int* ierr) {
79 comm_lookup = xbt_dynar_new(sizeof(MPI_Comm), NULL);
80 new_comm(MPI_COMM_WORLD);
82 request_lookup = xbt_dict_new();
84 datatype_lookup = xbt_dynar_new(sizeof(MPI_Datatype), NULL);
85 new_datatype(MPI_BYTE);
86 new_datatype(MPI_CHAR);
87 new_datatype(MPI_INT);
88 new_datatype(MPI_INT);
89 new_datatype(MPI_INT8_T);
90 new_datatype(MPI_INT16_T);
91 new_datatype(MPI_INT32_T);
92 new_datatype(MPI_INT64_T);
93 new_datatype(MPI_FLOAT);
94 new_datatype(MPI_FLOAT);
95 new_datatype(MPI_DOUBLE);
96 new_datatype(MPI_DOUBLE);
97 new_datatype(MPI_C_FLOAT_COMPLEX);
98 new_datatype(MPI_C_DOUBLE_COMPLEX);
99 new_datatype(MPI_2INT);
100 new_datatype(MPI_UINT8_T);
101 new_datatype(MPI_UINT16_T);
102 new_datatype(MPI_UINT32_T);
103 new_datatype(MPI_UINT64_T);
105 op_lookup = xbt_dynar_new(sizeof(MPI_Op), NULL);
119 /* smpif2c is responsible for generating a call with the final arguments */
120 *ierr = MPI_Init(NULL, NULL);
123 void mpi_finalize__(int* ierr) {
124 *ierr = MPI_Finalize();
125 xbt_dynar_free(&op_lookup);
127 xbt_dynar_free(&datatype_lookup);
128 datatype_lookup = NULL;
129 xbt_dict_free(&request_lookup);
130 request_lookup = NULL;
131 xbt_dynar_free(&comm_lookup);
135 void mpi_abort__(int* comm, int* errorcode, int* ierr) {
136 *ierr = MPI_Abort(get_comm(*comm), *errorcode);
139 void mpi_comm_rank__(int* comm, int* rank, int* ierr) {
140 *ierr = MPI_Comm_rank(get_comm(*comm), rank);
143 void mpi_comm_size__(int* comm, int* size, int* ierr) {
144 *ierr = MPI_Comm_size(get_comm(*comm), size);
147 double mpi_wtime__(void) {
151 void mpi_comm_dup__(int* comm, int* newcomm, int* ierr) {
154 *ierr = MPI_Comm_dup(get_comm(*comm), &tmp);
155 if(*ierr == MPI_SUCCESS) {
156 *newcomm = new_comm(tmp);
160 void mpi_comm_split__(int* comm, int* color, int* key, int* comm_out, int* ierr) {
163 *ierr = MPI_Comm_split(get_comm(*comm), *color, *key, &tmp);
164 if(*ierr == MPI_SUCCESS) {
165 *comm_out = new_comm(tmp);
169 void mpi_send_init__(void *buf, int* count, int* datatype, int* dst, int* tag,
170 int* comm, int* request, int* ierr) {
173 *ierr = MPI_Send_init(buf, *count, get_datatype(*datatype), *dst, *tag,
174 get_comm(*comm), &req);
175 if(*ierr == MPI_SUCCESS) {
176 *request = new_request(req);
180 void mpi_isend__(void *buf, int* count, int* datatype, int* dst,
181 int* tag, int* comm, int* request, int* ierr) {
184 *ierr = MPI_Isend(buf, *count, get_datatype(*datatype), *dst, *tag,
185 get_comm(*comm), &req);
186 if(*ierr == MPI_SUCCESS) {
187 *request = new_request(req);
191 void mpi_send__(void* buf, int* count, int* datatype, int* dst,
192 int* tag, int* comm, int* ierr) {
193 *ierr = MPI_Send(buf, *count, get_datatype(*datatype), *dst, *tag,
197 void mpi_recv_init__(void *buf, int* count, int* datatype, int* src, int* tag,
198 int* comm, int* request, int* ierr) {
201 *ierr = MPI_Recv_init(buf, *count, get_datatype(*datatype), *src, *tag,
202 get_comm(*comm), &req);
203 if(*ierr == MPI_SUCCESS) {
204 *request = new_request(req);
208 void mpi_irecv__(void *buf, int* count, int* datatype, int* src, int* tag,
209 int* comm, int* request, int* ierr) {
212 *ierr = MPI_Irecv(buf, *count, get_datatype(*datatype), *src, *tag,
213 get_comm(*comm), &req);
214 if(*ierr == MPI_SUCCESS) {
215 *request = new_request(req);
219 void mpi_recv__(void* buf, int* count, int* datatype, int* src,
220 int* tag, int* comm, MPI_Status* status, int* ierr) {
221 *ierr = MPI_Recv(buf, *count, get_datatype(*datatype), *src, *tag,
222 get_comm(*comm), status);
225 void mpi_start__(int* request, int* ierr) {
226 MPI_Request req = find_request(*request);
228 *ierr = MPI_Start(&req);
231 void mpi_startall__(int* count, int* requests, int* ierr) {
235 reqs = xbt_new(MPI_Request, *count);
236 for(i = 0; i < *count; i++) {
237 reqs[i] = find_request(requests[i]);
239 *ierr = MPI_Startall(*count, reqs);
243 void mpi_wait__(int* request, MPI_Status* status, int* ierr) {
244 MPI_Request req = find_request(*request);
246 *ierr = MPI_Wait(&req, status);
249 void mpi_waitany__(int* count, int* requests, int* index, MPI_Status* status, int* ierr) {
253 reqs = xbt_new(MPI_Request, *count);
254 for(i = 0; i < *count; i++) {
255 reqs[i] = find_request(requests[i]);
257 *ierr = MPI_Waitany(*count, reqs, index, status);
261 void mpi_waitall__(int* count, int* requests, MPI_Status* status, int* ierr) {
265 reqs = xbt_new(MPI_Request, *count);
266 for(i = 0; i < *count; i++) {
267 reqs[i] = find_request(requests[i]);
269 *ierr = MPI_Waitall(*count, reqs, status);
273 void mpi_barrier__(int* comm, int* ierr) {
274 *ierr = MPI_Barrier(get_comm(*comm));
277 void mpi_bcast__(void *buf, int* count, int* datatype, int* root, int* comm, int* ierr) {
278 *ierr = MPI_Bcast(buf, *count, get_datatype(*datatype), *root, get_comm(*comm));
281 void mpi_reduce__(void* sendbuf, void* recvbuf, int* count,
282 int* datatype, int* op, int* root, int* comm, int* ierr) {
283 *ierr = MPI_Reduce(sendbuf, recvbuf, *count,
284 get_datatype(*datatype), get_op(*op), *root, get_comm(*comm));
287 void mpi_allreduce__(void* sendbuf, void* recvbuf, int* count, int* datatype,
288 int* op, int* comm, int* ierr) {
289 *ierr = MPI_Allreduce(sendbuf, recvbuf, *count, get_datatype(*datatype),
290 get_op(*op), get_comm(*comm));
293 void mpi_scatter__(void* sendbuf, int* sendcount, int* sendtype,
294 void* recvbuf, int* recvcount, int* recvtype,
295 int* root, int* comm, int* ierr) {
296 *ierr = MPI_Scatter(sendbuf, *sendcount, get_datatype(*sendtype),
297 recvbuf, *recvcount, get_datatype(*recvtype), *root, get_comm(*comm));
300 void mpi_gather__(void* sendbuf, int* sendcount, int* sendtype,
301 void* recvbuf, int* recvcount, int* recvtype,
302 int* root, int* comm, int* ierr) {
303 *ierr = MPI_Gather(sendbuf, *sendcount, get_datatype(*sendtype),
304 recvbuf, *recvcount, get_datatype(*recvtype), *root, get_comm(*comm));
307 void mpi_allgather__(void* sendbuf, int* sendcount, int* sendtype,
308 void* recvbuf, int* recvcount, int* recvtype,
309 int* comm, int* ierr) {
310 *ierr = MPI_Allgather(sendbuf, *sendcount, get_datatype(*sendtype),
311 recvbuf, *recvcount, get_datatype(*recvtype), get_comm(*comm));
314 void mpi_scan__(void* sendbuf, void* recvbuf, int* count, int* datatype,
315 int* op, int* comm, int* ierr) {
316 *ierr = MPI_Scan(sendbuf, recvbuf, *count, get_datatype(*datatype),
317 get_op(*op), get_comm(*comm));
320 void mpi_alltoall__(void* sendbuf, int* sendcount, int* sendtype,
321 void* recvbuf, int* recvcount, int* recvtype, int* comm, int* ierr) {
322 *ierr = MPI_Alltoall(sendbuf, *sendcount, get_datatype(*sendtype),
323 recvbuf, *recvcount, get_datatype(*recvtype), get_comm(*comm));