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;
16 } s_smpi_process_data_t;
18 static smpi_process_data_t* process_data = NULL;
19 static int process_count = 0;
21 MPI_Comm MPI_COMM_WORLD = MPI_COMM_NULL;
23 smpi_process_data_t smpi_process_data(void) {
24 return SIMIX_process_get_data(SIMIX_process_self());
27 smpi_process_data_t smpi_process_remote_data(int index) {
28 return process_data[index];
31 int smpi_process_count(void) {
35 int smpi_process_index(void) {
36 smpi_process_data_t data = smpi_process_data();
41 xbt_os_timer_t smpi_process_timer(void) {
42 smpi_process_data_t data = smpi_process_data();
47 void smpi_process_post_send(MPI_Comm comm, MPI_Request request) {
48 int index = smpi_group_index(smpi_comm_group(comm), request->dst);
49 smpi_process_data_t data = smpi_process_remote_data(index);
53 DEBUG4("isend for request %p [src = %d, dst = %d, tag = %d]",
54 request, request->src, request->dst, request->tag);
55 xbt_fifo_foreach(data->pending_recv, item, req, MPI_Request) {
56 if(req->comm == request->comm
57 && (req->src == MPI_ANY_SOURCE || req->src == request->src)
58 && (req->tag == MPI_ANY_TAG || req->tag == request->tag)){
59 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
60 req, req->src, req->dst, req->tag);
61 xbt_fifo_remove_item(data->pending_recv, item);
62 /* Materialize the *_ANY_* fields from corresponding irecv request */
63 req->src = request->src;
64 req->tag = request->tag;
65 request->rdv = req->rdv;
68 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
69 req, req->src, req->dst, req->tag);
72 request->rdv = SIMIX_rdv_create(NULL);
73 xbt_fifo_push(data->pending_sent, request);
76 void smpi_process_post_recv(MPI_Request request) {
77 smpi_process_data_t data = smpi_process_data();
81 DEBUG4("irecv for request %p [src = %d, dst = %d, tag = %d]",
82 request, request->src, request->dst, request->tag);
83 xbt_fifo_foreach(data->pending_sent, item, req, MPI_Request) {
84 if(req->comm == request->comm
85 && (request->src == MPI_ANY_SOURCE || req->src == request->src)
86 && (request->tag == MPI_ANY_TAG || req->tag == request->tag)){
87 DEBUG4("find matching request %p [src = %d, dst = %d, tag = %d]",
88 req, req->src, req->dst, req->tag);
89 xbt_fifo_remove_item(data->pending_sent, item);
90 /* Materialize the *_ANY_* fields from the irecv request */
91 request->src = req->src;
92 request->tag = req->tag;
93 request->rdv = req->rdv;
96 DEBUG4("not matching request %p [src = %d, dst = %d, tag = %d]",
97 req, req->src, req->dst, req->tag);
100 request->rdv = SIMIX_rdv_create(NULL);
101 xbt_fifo_push(data->pending_recv, request);
104 void smpi_global_init(void) {
108 process_count = SIMIX_process_count();
109 process_data = xbt_new(smpi_process_data_t, process_count);
110 for(i = 0; i < process_count; i++) {
111 process_data[i] = xbt_new(s_smpi_process_data_t, 1);
112 process_data[i]->index = i;
113 process_data[i]->pending_sent = xbt_fifo_new();
114 process_data[i]->pending_recv = xbt_fifo_new();
115 process_data[i]->timer = xbt_os_timer_new();
117 group = smpi_group_new(process_count);
118 MPI_COMM_WORLD = smpi_comm_new(group);
119 for(i = 0; i < process_count; i++) {
120 smpi_group_set_mapping(group, i, i);
124 void smpi_global_destroy(void) {
125 int count = smpi_process_count();
128 smpi_comm_destroy(MPI_COMM_WORLD);
129 MPI_COMM_WORLD = MPI_COMM_NULL;
130 for(i = 0; i < count; i++) {
131 xbt_os_timer_free(process_data[i]->timer);
132 xbt_fifo_free(process_data[i]->pending_recv);
133 xbt_fifo_free(process_data[i]->pending_sent);
134 xbt_free(process_data[i]);
136 xbt_free(process_data);
140 int main(int argc, char **argv)
142 srand(SMPI_RAND_SEED);
144 double default_reference_speed = 20000.0;
145 xbt_cfg_register(&_surf_cfg_set, "reference_speed",
146 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
147 xbt_cfgelm_double, &default_reference_speed, 1, 1, NULL, NULL);
149 int default_display_timing = 0;
150 xbt_cfg_register(&_surf_cfg_set, "display_timing",
151 "Boolean indicating whether we should display the timing after simulation.",
152 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
154 SIMIX_global_init(&argc, argv);
156 // parse the platform file: get the host list
157 SIMIX_create_environment(argv[1]);
159 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
160 SIMIX_launch_application(argv[2]);
164 /* Clean IO before the run */
169 while (SIMIX_solve(NULL, NULL) != -1.0);
171 if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
172 INFO1("simulation time %g", SIMIX_get_clock());
174 smpi_global_destroy();