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Sanitize the memory handling of config elems description
[simgrid.git] / src / smpi / smpi_global.c
1 #include <stdio.h>
2
3 #include "private.h"
4
5 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
6
7 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
8                                 "Logging specific to SMPI (kernel)");
9
10 smpi_global_t smpi_global = NULL;
11
12 void *smpi_request_new(void);
13
14 void *smpi_request_new()
15 {
16   smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
17
18   request->buf = NULL;
19   request->completed = 0;
20   request->mutex = SIMIX_mutex_init();
21   request->cond = SIMIX_cond_init();
22   request->data = NULL;
23   request->forward = 0;
24
25   return request;
26 }
27
28 void smpi_request_free(void *pointer);
29
30 void smpi_request_free(void *pointer)
31 {
32
33   smpi_mpi_request_t request = pointer;
34
35   SIMIX_cond_destroy(request->cond);
36   SIMIX_mutex_destroy(request->mutex);
37   xbt_free(request);
38
39   return;
40 }
41
42 void smpi_request_reset(void *pointer);
43
44 void smpi_request_reset(void *pointer)
45 {
46   smpi_mpi_request_t request = pointer;
47
48   request->buf = NULL;
49   request->completed = 0;
50   request->data = NULL;
51   request->forward = 0;
52
53   return;
54 }
55
56
57 void *smpi_message_new(void);
58
59 void *smpi_message_new()
60 {
61   smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
62   message->buf = NULL;
63   return message;
64 }
65
66 void smpi_message_free(void *pointer);
67
68 void smpi_message_free(void *pointer)
69 {
70   xbt_free(pointer);
71   return;
72 }
73
74 void smpi_message_reset(void *pointer);
75
76 void smpi_message_reset(void *pointer)
77 {
78   smpi_received_message_t message = pointer;
79   message->buf = NULL;
80   return;
81 }
82
83 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
84                         int src, int dst, int tag,
85                         smpi_mpi_communicator_t comm,
86                         smpi_mpi_request_t * requestptr)
87 {
88   int retval = MPI_SUCCESS;
89
90   smpi_mpi_request_t request = NULL;
91
92   // parameter checking prob belongs in smpi_mpi, but this is less repeat code
93   if (NULL == buf) {
94     retval = MPI_ERR_INTERN;
95   } else if (0 > count) {
96     retval = MPI_ERR_COUNT;
97   } else if (NULL == datatype) {
98     retval = MPI_ERR_TYPE;
99   } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
100     retval = MPI_ERR_RANK;
101   } else if (0 > dst || comm->size <= dst) {
102     retval = MPI_ERR_RANK;
103   } else if (MPI_ANY_TAG != tag && 0 > tag) {
104     retval = MPI_ERR_TAG;
105   } else if (NULL == comm) {
106     retval = MPI_ERR_COMM;
107   } else if (NULL == requestptr) {
108     retval = MPI_ERR_ARG;
109   } else {
110     request = xbt_mallocator_get(smpi_global->request_mallocator);
111     request->comm = comm;
112     request->src = src;
113     request->dst = dst;
114     request->tag = tag;
115     request->buf = buf;
116     request->datatype = datatype;
117     request->count = count;
118
119     *requestptr = request;
120   }
121   return retval;
122 }
123 /* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
124 void smpi_mpi_land_func(void *a, void *b, int *length,
125                         MPI_Datatype * datatype);
126 void smpi_mpi_sum_func(void *a, void *b, int *length,
127                        MPI_Datatype * datatype);
128
129 void smpi_global_init()
130 {
131   int i;
132
133   /* Connect our log channels: that must be done manually under windows */
134 #ifdef XBT_LOG_CONNECT
135   XBT_LOG_CONNECT(smpi_base, smpi);
136   XBT_LOG_CONNECT(smpi_bench, smpi);
137   XBT_LOG_CONNECT(smpi_kernel, smpi);
138   XBT_LOG_CONNECT(smpi_mpi, smpi);
139   XBT_LOG_CONNECT(smpi_receiver, smpi);
140   XBT_LOG_CONNECT(smpi_sender, smpi);
141   XBT_LOG_CONNECT(smpi_util, smpi);
142 #endif
143
144   smpi_global = xbt_new(s_smpi_global_t, 1);
145
146   // mallocators
147   smpi_global->request_mallocator =
148     xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
149                        smpi_request_free, smpi_request_reset);
150   smpi_global->message_mallocator =
151     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
152                        smpi_message_free, smpi_message_reset);
153
154   smpi_global->process_count = SIMIX_process_count();
155   DEBUG1("There is %d processes",smpi_global->process_count);
156
157   // sender/receiver processes
158   smpi_global->main_processes = xbt_new(smx_process_t, smpi_global->process_count);
159
160   // timers
161   smpi_global->timer = xbt_os_timer_new();
162   smpi_global->timer_mutex = SIMIX_mutex_init();
163   smpi_global->timer_cond = SIMIX_cond_init();
164
165   smpi_global->do_once_duration_nodes = NULL;
166   smpi_global->do_once_duration = NULL;
167   smpi_global->do_once_mutex = SIMIX_mutex_init();
168
169
170   smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
171
172   // global communicator
173   smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
174   smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
175   smpi_mpi_global->mpi_comm_world->barrier_count = 0;
176   smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
177   smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
178   smpi_mpi_global->mpi_comm_world->rank_to_index_map =
179     xbt_new(int, smpi_global->process_count);
180   smpi_mpi_global->mpi_comm_world->index_to_rank_map =
181     xbt_new(int, smpi_global->process_count);
182   for (i = 0; i < smpi_global->process_count; i++) {
183     smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
184     smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
185   }
186
187   // mpi datatypes
188   smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
189   smpi_mpi_global->mpi_byte->size = (size_t) 1;
190   smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
191   smpi_mpi_global->mpi_int->size = sizeof(int);
192   smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
193   smpi_mpi_global->mpi_double->size = sizeof(double);
194
195   // mpi operations
196   smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
197   smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
198   smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
199   smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
200
201 }
202
203 void smpi_global_destroy()
204 {
205   smpi_do_once_duration_node_t curr, next;
206
207   // processes
208   xbt_free(smpi_global->main_processes);
209
210   // mallocators
211   xbt_mallocator_free(smpi_global->request_mallocator);
212   xbt_mallocator_free(smpi_global->message_mallocator);
213
214   xbt_os_timer_free(smpi_global->timer);
215   SIMIX_mutex_destroy(smpi_global->timer_mutex);
216   SIMIX_cond_destroy(smpi_global->timer_cond);
217
218   for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
219     next = curr->next;
220     xbt_free(curr->file);
221     xbt_free(curr);
222   }
223
224   SIMIX_mutex_destroy(smpi_global->do_once_mutex);
225
226   xbt_free(smpi_global);
227   smpi_global = NULL;
228
229   /* free smpi_mpi_global */
230   SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
231   SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
232   xbt_free(smpi_mpi_global->mpi_comm_world);
233
234   xbt_free(smpi_mpi_global->mpi_byte);
235   xbt_free(smpi_mpi_global->mpi_int);
236   xbt_free(smpi_mpi_global->mpi_double);
237
238   xbt_free(smpi_mpi_global->mpi_land);
239   xbt_free(smpi_mpi_global->mpi_sum);
240
241   xbt_free(smpi_mpi_global);
242
243 }
244
245 int smpi_process_index()
246 {
247   smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
248   return pdata->index;
249 }
250
251 smx_mutex_t smpi_process_mutex()
252 {
253   smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
254   return pdata->mutex;
255 }
256
257 smx_cond_t smpi_process_cond()
258 {
259   smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
260   return pdata->cond;
261 }
262
263 static void smpi_cfg_cb_host_speed(const char *name, int pos) {
264         smpi_global->reference_speed = xbt_cfg_get_double_at(_surf_cfg_set,name,pos);
265 }
266
267 int smpi_run_simulation(int *argc, char **argv)
268 {
269   smx_cond_t cond = NULL;
270   smx_action_t action = NULL;
271
272   xbt_fifo_t actions_failed = xbt_fifo_new();
273   xbt_fifo_t actions_done = xbt_fifo_new();
274
275   srand(SMPI_RAND_SEED);
276
277   double default_reference_speed = 20000.0;
278   xbt_cfg_register(&_surf_cfg_set,"reference_speed","Power of the host running the simulation (in flop/s). Used to bench the operations.",
279                   xbt_cfgelm_double,&default_reference_speed,1,1,smpi_cfg_cb_host_speed,NULL);
280   SIMIX_global_init(argc, argv);
281
282   // parse the platform file: get the host list
283   SIMIX_create_environment(argv[1]);
284
285   SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
286   SIMIX_launch_application(argv[2]);
287
288   // must initialize globals between creating environment and launching app....
289   smpi_global_init();
290
291   /* Clean IO before the run */
292   fflush(stdout);
293   fflush(stderr);
294   SIMIX_init();
295
296   while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
297     while ((action = xbt_fifo_pop(actions_failed))) {
298       DEBUG1("** %s failed **", action->name);
299       while ((cond = xbt_fifo_pop(action->cond_list))) {
300         SIMIX_cond_broadcast(cond);
301       }
302     }
303     while ((action = xbt_fifo_pop(actions_done))) {
304       DEBUG1("** %s done **", action->name);
305       while ((cond = xbt_fifo_pop(action->cond_list))) {
306         SIMIX_cond_broadcast(cond);
307       }
308     }
309   }
310
311   // FIXME: cleanup incomplete
312   xbt_fifo_free(actions_failed);
313   xbt_fifo_free(actions_done);
314
315   smpi_global_destroy();
316
317   INFO1("simulation time %g", SIMIX_get_clock());
318
319   SIMIX_clean();
320
321   return 0;
322 }