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 void smpi_process_simulated_reset(void) {
49 smpi_process_data_t data = smpi_process_data();
51 data->simulated = SIMIX_get_clock();
54 double smpi_process_simulated_elapsed(void) {
55 smpi_process_data_t data = smpi_process_data();
57 return SIMIX_get_clock() - data->simulated;
60 void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
61 int index = smpi_group_index(smpi_comm_group(comm), request->dst);
62 smpi_process_data_t data = smpi_process_remote_data(index);
66 DEBUG4("isend for request %p [src = %d, dst = %d, tag = %d]",
67 request, request->src, request->dst, request->tag);
68 xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
69 if(req->comm == request->comm
70 && (req->src == MPI_ANY_SOURCE || req->src == request->src)
71 && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
72 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
73 req, req->src, req->dst, req->tag);
74 xbt_fifo_remove_item(data->pending_recv, item);
75 /* Materialize the *_ANY_* fields from corresponding irecv request */
76 req->src = request->src;
77 req->tag = request->tag;
78 request->rdv = req->rdv;
81 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
82 req, req->src, req->dst, req->tag);
85 request->rdv = SIMIX_rdv_create(NULL);
86 xbt_fifo_push(data->pending_sent, request);
89 void smpi_process_post_recv(MPI_Request request) {
90 smpi_process_data_t data = smpi_process_data();
94 DEBUG4("irecv for request %p [src = %d, dst = %d, tag = %d]",
95 request, request->src, request->dst, request->tag);
96 xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
97 if(req->comm == request->comm
98 && (request->src == MPI_ANY_SOURCE || req->src == request->src)
99 && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
100 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
101 req, req->src, req->dst, req->tag);
102 xbt_fifo_remove_item(data->pending_sent, item);
103 /* Materialize the *_ANY_* fields from the irecv request */
104 request->src = req->src;
105 request->tag = req->tag;
106 request->rdv = req->rdv;
109 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
110 req, req->src, req->dst, req->tag);
113 request->rdv = SIMIX_rdv_create(NULL);
114 xbt_fifo_push(data->pending_recv, request);
117 void smpi_global_init(void) {
118 double clock = SIMIX_get_clock();
122 SIMIX_network_set_copy_data_callback(&SIMIX_network_copy_buffer_callback);
123 process_count = SIMIX_process_count();
124 process_data = xbt_new(smpi_process_data_t, process_count);
125 for(i = 0; i < process_count; i++) {
126 process_data[i] = xbt_new(s_smpi_process_data_t, 1);
127 process_data[i]->index = i;
128 process_data[i]->pending_sent = xbt_fifo_new();
129 process_data[i]->pending_recv = xbt_fifo_new();
130 process_data[i]->timer = xbt_os_timer_new();
131 process_data[i]->simulated = clock;
133 group = smpi_group_new(process_count);
134 MPI_COMM_WORLD = smpi_comm_new(group);
135 for(i = 0; i < process_count; i++) {
136 smpi_group_set_mapping(group, i, i);
140 void smpi_global_destroy(void) {
141 int count = smpi_process_count();
144 smpi_comm_destroy(MPI_COMM_WORLD);
145 MPI_COMM_WORLD = MPI_COMM_NULL;
146 for(i = 0; i < count; i++) {
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, "reference_speed",
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, "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, "SMPE",
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 SIMIX_global_init(&argc, argv);
177 // parse the platform file: get the host list
178 SIMIX_create_environment(argv[1]);
180 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
181 SIMIX_launch_application(argv[2]);
185 /* Clean IO before the run */
190 while (SIMIX_solve(NULL, NULL) != -1.0);
192 if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
193 INFO1("simulation time %g", SIMIX_get_clock());
195 smpi_global_destroy();