static int master(int argc, char *argv[])
{
long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
long workers_count = xbt_str_parse_int(argv[4], "Invalid amount of workers: %s");
//setting the variable "is_master" (previously declared) to value 1
TRACE_host_variable_set(MSG_host_get_name(MSG_host_self()), "is_master", 1);
TRACE_mark("msmark", "start_send_tasks");
for (int i = 0; i < number_of_tasks; i++) {
msg_task_t task = NULL;
task = MSG_task_create("task", task_comp_size, task_comm_size, NULL);
//setting the variable "task_creation" to value i
TRACE_host_variable_set(MSG_host_get_name(MSG_host_self()), "task_creation", i);
//setting the category of task to "compute"
//the category of a task must be defined before it is sent or executed
MSG_task_set_category(task, "compute");
MSG_task_send(task, "master_mailbox");
}
TRACE_mark("msmark", "finish_send_tasks");
for (int i = 0; i < workers_count; i++) {
msg_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
MSG_task_set_category(finalize, "finalize");
MSG_task_send(finalize, "master_mailbox");
}
return 0;
}
/** Emitter function */
int master(int argc, char *argv[])
{
long number_of_tasks = atol(argv[1]);
double task_comp_size = atof(argv[2]);
double task_comm_size = atof(argv[3]);
long slaves_count = atol(argv[4]);
//setting the variable "is_master" (previously declared) to value 1
TRACE_host_variable_set("is_master", 1);
TRACE_mark("msmark", "start_send_tasks");
int i;
for (i = 0; i < number_of_tasks; i++) {
m_task_t task = NULL;
task = MSG_task_create("task", task_comp_size, task_comm_size, NULL);
//setting the variable "task_creation" to value i
TRACE_host_variable_set("task_creation", i);
//setting the category of task to "compute"
//the category of a task must be defined before it is sent or executed
TRACE_msg_set_task_category(task, "compute");
MSG_task_send(task, "master_mailbox");
}
TRACE_mark("msmark", "finish_send_tasks");
for (i = 0; i < slaves_count; i++) {
m_task_t finalize = MSG_task_create("finalize", 0, 0, 0);
TRACE_msg_set_task_category(finalize, "finalize");
MSG_task_send(finalize, "master_mailbox");
}
return 0;
}
/** Receiver function */
int slave(int argc, char *argv[])
{
msg_task_t task = NULL;
int a;
int id = 0;
#ifdef HAVE_LATENCY_BOUND_TRACKING
int limited_latency = 0;
#endif
double remaining = 0;
char id_alias[10];
if (argc != 2) {
XBT_INFO("Strange number of arguments expected 1 got %d", argc - 1);
}
id = atoi(argv[1]);
sprintf(id_alias, "%d", id);
int trace_id = id;
a = MSG_task_receive(&(task), id_alias);
count_finished--;
if(count_finished == 0){
timer_start = 0;
}
if (a != MSG_OK) {
XBT_INFO("Hey?! What's up?");
xbt_die("Unexpected behavior.");
}
elapsed_time = MSG_get_clock() - start_time;
if (!bool_printed) {
bool_printed = 1;
for (id = 0; id < NTASKS; id++) {
if (gl_task_array[id] == NULL) continue;
if (gl_task_array[id] == task) {
#ifdef HAVE_LATENCY_BOUND_TRACKING
limited_latency = MSG_task_is_latency_bounded(gl_task_array[id]);
if (limited_latency) {
XBT_INFO("WARNING FLOW[%d] is limited by latency!!", id);
}
#endif
XBT_INFO
("===> Estimated Bw of FLOW[%d] : %f ; message from %s to %s with remaining : %f",
id, gl_data_size[id] / elapsed_time, masternames[id],
slavenames[id], 0.0);
MSG_task_destroy(gl_task_array[id]);
gl_task_array[id]=NULL;
} else {
remaining =
MSG_task_get_remaining_communication(gl_task_array[id]);
#ifdef HAVE_LATENCY_BOUND_TRACKING
limited_latency = MSG_task_is_latency_bounded(gl_task_array[id]);
if (limited_latency) {
XBT_INFO("WARNING FLOW[%d] is limited by latency!!", id);
}
#endif
XBT_INFO
("===> Estimated Bw of FLOW[%d] : %f ; message from %s to %s with remaining : %f",
id, (gl_data_size[id] - remaining) / elapsed_time,
masternames[id], slavenames[id], remaining);
if(remaining==0) {
MSG_task_destroy(gl_task_array[id]);
gl_task_array[id]=NULL;
}
}
}
bool_printed = 2;
}
char mark[100];
snprintf(mark, 100, "flow_%d_finished", trace_id);
TRACE_mark("endmark", mark);
if(bool_printed==2 && gl_task_array[trace_id]) MSG_task_destroy(gl_task_array[trace_id]);
return 0;
} /* end_of_slave */