4 #include "smpi_mpi_dt_private.h"
6 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
8 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
9 "Logging specific to SMPI (kernel)");
11 typedef struct s_smpi_process_data {
13 xbt_fifo_t pending_sent;
14 xbt_fifo_t pending_recv;
17 } s_smpi_process_data_t;
19 static smpi_process_data_t* process_data = NULL;
20 static int process_count = 0;
22 MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
24 smpi_process_data_t smpi_process_data(void) {
25 return SIMIX_process_get_data(SIMIX_process_self());
28 smpi_process_data_t smpi_process_remote_data(int index) {
29 return process_data[index];
32 int smpi_process_count(void) {
36 int smpi_process_index(void) {
37 smpi_process_data_t data = smpi_process_data();
42 xbt_os_timer_t smpi_process_timer(void) {
43 smpi_process_data_t data = smpi_process_data();
48 MPI_Comm smpi_process_comm_self(void) {
49 smpi_process_data_t data = smpi_process_data();
51 return data->comm_self;
54 void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
55 int index = smpi_group_index(smpi_comm_group(comm), request->dst);
56 smpi_process_data_t data = smpi_process_remote_data(index);
60 DEBUG5("isend for request %p [src = %d, dst = %d, tag = %d, size = %zu]",
61 request, request->src, request->dst, request->tag, request->size);
62 xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
63 if(req->comm == request->comm
64 && (req->src == MPI_ANY_SOURCE || req->src == request->src)
65 && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
66 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
67 req, req->src, req->dst, req->tag);
68 xbt_fifo_remove_item(data->pending_recv, item);
69 /* Materialize the *_ANY_* fields from corresponding irecv request */
70 req->src = request->src;
71 req->tag = request->tag;
73 request->rdv = req->rdv;
77 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
78 req, req->src, req->dst, req->tag);
81 request->rdv = SIMIX_rdv_create(NULL);
82 xbt_fifo_push(data->pending_sent, request);
85 void smpi_process_post_recv(MPI_Request request) {
86 smpi_process_data_t data = smpi_process_data();
90 DEBUG5("irecv for request %p [src = %d, dst = %d, tag = %d, size = %zu]",
91 request, request->src, request->dst, request->tag, request->size);
92 xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
93 if(req->comm == request->comm
94 && (request->src == MPI_ANY_SOURCE || req->src == request->src)
95 && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
96 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
97 req, req->src, req->dst, req->tag);
98 xbt_fifo_remove_item(data->pending_sent, item);
99 /* Materialize the *_ANY_* fields from the irecv request */
100 req->match = request;
101 request->src = req->src;
102 request->tag = req->tag;
103 request->rdv = req->rdv;
104 request->match = req;
107 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
108 req, req->src, req->dst, req->tag);
111 request->rdv = SIMIX_rdv_create(NULL);
112 xbt_fifo_push(data->pending_recv, request);
115 void smpi_global_init(void) {
119 SIMIX_network_set_copy_data_callback(&SIMIX_network_copy_buffer_callback);
120 process_count = SIMIX_process_count();
121 process_data = xbt_new(smpi_process_data_t, process_count);
122 for(i = 0; i < process_count; i++) {
123 process_data[i] = xbt_new(s_smpi_process_data_t, 1);
124 process_data[i]->index = i;
125 process_data[i]->pending_sent = xbt_fifo_new();
126 process_data[i]->pending_recv = xbt_fifo_new();
127 process_data[i]->timer = xbt_os_timer_new();
128 group = smpi_group_new(1);
129 process_data[i]->comm_self = smpi_comm_new(group);
130 smpi_group_set_mapping(group, i, 0);
132 group = smpi_group_new(process_count);
133 MPI_COMM_WORLD = smpi_comm_new(group);
134 for(i = 0; i < process_count; i++) {
135 smpi_group_set_mapping(group, i, i);
139 void smpi_global_destroy(void) {
140 int count = smpi_process_count();
143 smpi_comm_destroy(MPI_COMM_WORLD);
144 MPI_COMM_WORLD = MPI_COMM_NULL;
145 for(i = 0; i < count; i++) {
146 smpi_comm_destroy(process_data[i]->comm_self);
147 xbt_os_timer_free(process_data[i]->timer);
148 xbt_fifo_free(process_data[i]->pending_recv);
149 xbt_fifo_free(process_data[i]->pending_sent);
150 xbt_free(process_data[i]);
152 xbt_free(process_data);
156 int main(int argc, char **argv)
158 srand(SMPI_RAND_SEED);
160 double default_reference_speed = 20000.0;
161 xbt_cfg_register(&_surf_cfg_set, "smpi/running_power",
162 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
163 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL, NULL);
165 int default_display_timing = 0;
166 xbt_cfg_register(&_surf_cfg_set, "smpi/display_timing",
167 "Boolean indicating whether we should display the timing after simulation.",
168 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
170 int default_display_smpe = 0;
171 xbt_cfg_register(&_surf_cfg_set, "smpi/log_events",
172 "Boolean indicating whether we should display simulated time spent in MPI calls.",
173 xbt_cfgelm_int, &default_display_smpe, 1, 1, NULL, NULL);
175 double default_threshold = 1e-6;
176 xbt_cfg_register(&_surf_cfg_set, "smpi/cpu_threshold",
177 "Minimal computation time (in seconds) not discarded.",
178 xbt_cfgelm_double, &default_threshold, 1, 1, NULL, NULL);
180 SIMIX_global_init(&argc, argv);
182 // parse the platform file: get the host list
183 SIMIX_create_environment(argv[1]);
185 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
186 SIMIX_launch_application(argv[2]);
190 /* Clean IO before the run */
195 while (SIMIX_solve(NULL, NULL) != -1.0);
197 if (xbt_cfg_get_int(_surf_cfg_set, "smpi/display_timing"))
198 INFO1("simulation time %g", SIMIX_get_clock());
200 smpi_global_destroy();
202 SIMIX_message_sizes_output("toto.txt");