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SMPI: move pending_send_request_queue from global to host data
[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   int size = SIMIX_host_get_number();
134
135   /* Connect our log channels: that must be done manually under windows */
136 #ifdef XBT_LOG_CONNECT
137   XBT_LOG_CONNECT(smpi_base, smpi);
138   XBT_LOG_CONNECT(smpi_bench, smpi);
139   XBT_LOG_CONNECT(smpi_kernel, smpi);
140   XBT_LOG_CONNECT(smpi_mpi, smpi);
141   XBT_LOG_CONNECT(smpi_receiver, smpi);
142   XBT_LOG_CONNECT(smpi_sender, smpi);
143   XBT_LOG_CONNECT(smpi_util, smpi);
144 #endif
145
146   smpi_global = xbt_new(s_smpi_global_t, 1);
147   // config variable
148   smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
149
150   // host info blank until sim starts
151   // FIXME: is this okay?
152   smpi_global->hosts = NULL;
153   smpi_global->host_count = 0;
154
155   // mallocators
156   smpi_global->request_mallocator =
157     xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
158                        smpi_request_free, smpi_request_reset);
159   smpi_global->message_mallocator =
160     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
161                        smpi_message_free, smpi_message_reset);
162
163   // queues
164   smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
165
166   // sender/receiver processes
167   smpi_global->main_processes = xbt_new(smx_process_t, size);
168
169   // timers
170   smpi_global->timer = xbt_os_timer_new();
171   smpi_global->timer_mutex = SIMIX_mutex_init();
172   smpi_global->timer_cond = SIMIX_cond_init();
173
174   smpi_global->do_once_duration_nodes = NULL;
175   smpi_global->do_once_duration = NULL;
176   smpi_global->do_once_mutex = SIMIX_mutex_init();
177
178   for (i = 0; i < size; i++) {
179     smpi_global->received_message_queues[i] = xbt_fifo_new();
180   }
181
182   smpi_global->hosts = SIMIX_host_get_table();
183   smpi_global->host_count = SIMIX_host_get_number();
184
185   smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
186
187   // global communicator
188   smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
189   smpi_mpi_global->mpi_comm_world->size = smpi_global->host_count;
190   smpi_mpi_global->mpi_comm_world->barrier_count = 0;
191   smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
192   smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
193   smpi_mpi_global->mpi_comm_world->rank_to_index_map =
194     xbt_new(int, smpi_global->host_count);
195   smpi_mpi_global->mpi_comm_world->index_to_rank_map =
196     xbt_new(int, smpi_global->host_count);
197   for (i = 0; i < smpi_global->host_count; i++) {
198     smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
199     smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
200   }
201
202   // mpi datatypes
203   smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
204   smpi_mpi_global->mpi_byte->size = (size_t) 1;
205   smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
206   smpi_mpi_global->mpi_int->size = sizeof(int);
207   smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
208   smpi_mpi_global->mpi_double->size = sizeof(double);
209
210   // mpi operations
211   smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
212   smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
213   smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
214   smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
215
216 }
217
218 void smpi_global_destroy()
219 {
220   int i;
221
222   int size = SIMIX_host_get_number();
223
224   smpi_do_once_duration_node_t curr, next;
225
226   // processes
227   xbt_free(smpi_global->main_processes);
228
229   // mallocators
230   xbt_mallocator_free(smpi_global->request_mallocator);
231   xbt_mallocator_free(smpi_global->message_mallocator);
232
233   xbt_os_timer_free(smpi_global->timer);
234   SIMIX_mutex_destroy(smpi_global->timer_mutex);
235   SIMIX_cond_destroy(smpi_global->timer_cond);
236
237   for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
238     next = curr->next;
239     xbt_free(curr->file);
240     xbt_free(curr);
241   }
242
243   SIMIX_mutex_destroy(smpi_global->do_once_mutex);
244
245   for (i = 0; i < size; i++) {
246     xbt_fifo_free(smpi_global->received_message_queues[i]);
247   }
248
249   xbt_free(smpi_global->received_message_queues);
250
251   xbt_free(smpi_global);
252   smpi_global = NULL;
253
254   /* free smpi_mpi_global */
255   SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
256   SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
257   xbt_free(smpi_mpi_global->mpi_comm_world);
258
259   xbt_free(smpi_mpi_global->mpi_byte);
260   xbt_free(smpi_mpi_global->mpi_int);
261   xbt_free(smpi_mpi_global->mpi_double);
262
263   xbt_free(smpi_mpi_global->mpi_land);
264   xbt_free(smpi_mpi_global->mpi_sum);
265
266   xbt_free(smpi_mpi_global);
267
268 }
269
270 int smpi_host_index()
271 {
272   smx_host_t host = SIMIX_host_self();
273   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
274   return hdata->index;
275 }
276
277 smx_mutex_t smpi_host_mutex()
278 {
279   smx_host_t host = SIMIX_host_self();
280   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
281   return hdata->mutex;
282 }
283
284 smx_cond_t smpi_host_cond()
285 {
286   smx_host_t host = SIMIX_host_self();
287   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
288   return hdata->cond;
289 }
290
291 int smpi_run_simulation(int *argc, char **argv)
292 {
293   smx_cond_t cond = NULL;
294   smx_action_t action = NULL;
295
296   xbt_fifo_t actions_failed = xbt_fifo_new();
297   xbt_fifo_t actions_done = xbt_fifo_new();
298
299   srand(SMPI_RAND_SEED);
300
301   SIMIX_global_init(argc, argv);
302
303   // parse the platform file: get the host list
304   SIMIX_create_environment(argv[1]);
305
306   SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
307   SIMIX_launch_application(argv[2]);
308
309   // must initialize globals between creating environment and launching app....
310   smpi_global_init();
311
312   /* Prepare to display some more info when dying on Ctrl-C pressing */
313   // FIXME: doesn't work
314   //signal(SIGINT, inthandler);
315
316   /* Clean IO before the run */
317   fflush(stdout);
318   fflush(stderr);
319   SIMIX_init();
320
321   while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
322     while ((action = xbt_fifo_pop(actions_failed))) {
323       DEBUG1("** %s failed **", action->name);
324       while ((cond = xbt_fifo_pop(action->cond_list))) {
325         SIMIX_cond_broadcast(cond);
326       }
327     }
328     while ((action = xbt_fifo_pop(actions_done))) {
329       DEBUG1("** %s done **", action->name);
330       while ((cond = xbt_fifo_pop(action->cond_list))) {
331         SIMIX_cond_broadcast(cond);
332       }
333     }
334   }
335
336   // FIXME: cleanup incomplete
337   xbt_fifo_free(actions_failed);
338   xbt_fifo_free(actions_done);
339
340   INFO1("simulation time %g", SIMIX_get_clock());
341
342   smpi_global_destroy();
343
344   SIMIX_clean();
345
346   return 0;
347 }