int computation_fun(int argc, char *argv[])
{
const char *pr_name = MSG_process_get_name(MSG_process_self());
const char *host_name = MSG_host_get_name(MSG_host_self());
double clock_sta, clock_end;
atask = MSG_task_create("Task1", 1e9, 1e9, NULL);
clock_sta = MSG_get_clock();
XBT_INFO("%s:%s task 1 created %g", host_name, pr_name, clock_sta);
MSG_task_execute(atask);
clock_end = MSG_get_clock();
XBT_INFO("%s:%s task 1 executed %g", host_name, pr_name, clock_end - clock_sta);
MSG_task_destroy(atask);
atask = NULL;
MSG_process_sleep(1);
atask = MSG_task_create("Task2", 1e10, 1e10, NULL);
clock_sta = MSG_get_clock();
XBT_INFO("%s:%s task 2 created %g", host_name, pr_name, clock_sta);
MSG_task_execute(atask);
clock_end = MSG_get_clock();
XBT_INFO("%s:%s task 2 executed %g", host_name, pr_name, clock_end - clock_sta);
MSG_task_destroy(atask);
atask = NULL;
return 0;
}
static int execute_load_test(int argc, char* argv[])
{
msg_host_t host = MSG_host_by_name("MyHost1");
XBT_INFO("Initial peak speed: %.0E flop/s; number of flops computed so far: %.0E (should be 0)",
MSG_host_get_speed(host), sg_host_get_computed_flops(host));
double start = MSG_get_clock();
XBT_INFO("Sleep for 10 seconds");
MSG_process_sleep(10);
XBT_INFO("Done sleeping %.2fs; peak speed: %.0E flop/s; number of flops computed so far: %.0E (nothing should have "
"changed)",
MSG_get_clock() - start, MSG_host_get_speed(host), sg_host_get_computed_flops(host));
// Run a task
start = MSG_get_clock();
msg_task_t task1 = MSG_task_create("t1", 100E6, 0, NULL);
XBT_INFO("Run a task of %.0E flops", MSG_task_get_flops_amount(task1));
MSG_task_execute(task1);
MSG_task_destroy(task1);
XBT_INFO("Done working on my task; this took %.2fs; current peak speed: %.0E flop/s; number of flops computed so "
"far: %.0E",
MSG_get_clock() - start, MSG_host_get_speed(host), sg_host_get_computed_flops(host));
// ========= Change power peak =========
int pstate = 2;
sg_host_set_pstate(host, pstate);
XBT_INFO("========= Requesting pstate %d (speed should be of %.0E flop/s and is of %.0E flop/s)", pstate,
MSG_host_get_power_peak_at(host, pstate), MSG_host_get_speed(host));
// Run a second task
start = MSG_get_clock();
task1 = MSG_task_create("t2", 100E6, 0, NULL);
XBT_INFO("Run a task of %.0E flops", MSG_task_get_flops_amount(task1));
MSG_task_execute(task1);
MSG_task_destroy(task1);
XBT_INFO("Done working on my task; this took %.2fs; current peak speed: %.0E flop/s; number of flops computed so "
"far: %.0E",
MSG_get_clock() - start, MSG_host_get_speed(host), sg_host_get_computed_flops(host));
start = MSG_get_clock();
XBT_INFO("========= Requesting a reset of the computation counter");
sg_host_load_reset(host);
XBT_INFO("Sleep for 4 seconds");
MSG_process_sleep(4);
XBT_INFO("Done sleeping %.2f s; peak speed: %.0E flop/s; number of flops computed so far: %.0E",
MSG_get_clock() - start, MSG_host_get_speed(host), sg_host_get_computed_flops(host));
// =========== Turn the other host off ==========
XBT_INFO("Turning MyHost2 off, and sleeping another 10 seconds. MyHost2 computed %.0f flops so far.",
MSG_host_get_computed_flops(MSG_host_by_name("MyHost2")));
MSG_host_off(MSG_host_by_name("MyHost2"));
start = MSG_get_clock();
MSG_process_sleep(10);
XBT_INFO("Done sleeping %.2f s; peak speed: %.0E flop/s; number of flops computed so far: %.0E",
MSG_get_clock() - start, MSG_host_get_speed(host), sg_host_get_computed_flops(host));
return 0;
}
int master(int argc, char *argv[])
{
const char *hostname = MSG_host_get_name(MSG_host_self());
int i;
//the hostname has an empty HDD with a capacity of 100000 (bytes)
TRACE_host_variable_set(hostname, "HDD_capacity", 100000);
TRACE_host_variable_set(hostname, "HDD_utilization", 0);
for (i = 0; i < 10; i++) {
//create and execute a task just to make the simulated time advance
msg_task_t task = MSG_task_create("task", 10000, 0, NULL);
MSG_task_execute (task);
MSG_task_destroy (task);
//ADD: after the execution of this task, the HDD utilization increases by 100 (bytes)
TRACE_host_variable_add(hostname, "HDD_utilization", 100);
}
for (i = 0; i < 10; i++) {
//create and execute a task just to make the simulated time advance
msg_task_t task = MSG_task_create("task", 10000, 0, NULL);
MSG_task_execute (task);
MSG_task_destroy (task);
//SUB: after the execution of this task, the HDD utilization decreases by 100 (bytes)
TRACE_host_variable_sub(hostname, "HDD_utilization", 100);
}
return 0;
}
int dvfs(int argc, char *argv[])
{
msg_host_t host = NULL;
msg_task_t task1 = NULL;
double task_time = 0;
host = MSG_get_host_by_name("MyHost1");
double current_peak = MSG_get_host_current_power_peak(host);
XBT_INFO("Current power peak=%lf", current_peak);
double consumed_energy = MSG_get_host_consumed_energy(host);
XBT_INFO("Total energy (Joules): %lf", consumed_energy);
// Run a task
task1 = MSG_task_create ("t1", 100E6, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
task_time = MSG_get_clock();
XBT_INFO("Task1 simulation time: %le", task_time);
consumed_energy = MSG_get_host_consumed_energy(host);
XBT_INFO("Total energy (Joules): %lf", consumed_energy);
// ========= Change power peak =========
int peak_index=2;
double peak_at = MSG_get_host_power_peak_at(host, peak_index);
XBT_INFO("=========Changing power peak value to %lf (at index %d)", peak_at, peak_index);
MSG_set_host_power_peak_at(host, peak_index);
// Run a second task
task1 = MSG_task_create ("t2", 100E6, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
task_time = MSG_get_clock() - task_time;
XBT_INFO("Task2 simulation time: %le", task_time);
consumed_energy = MSG_get_host_consumed_energy(host);
XBT_INFO("Total energy (Joules): %lf", consumed_energy);
MSG_process_sleep(3);
task_time = MSG_get_clock() - task_time;
XBT_INFO("Task3 (sleep) simulation time: %le", task_time);
consumed_energy = MSG_get_host_consumed_energy(host);
XBT_INFO("Total energy (Joules): %lf", consumed_energy);
return 0;
}
static int dvfs(int argc, char* argv[])
{
double workload = 100E6;
msg_host_t host = MSG_host_self();
int nb = MSG_host_get_nb_pstates(host);
XBT_INFO("Count of Processor states=%d", nb);
double current_peak = MSG_host_get_speed(host);
XBT_INFO("Current power peak=%f", current_peak);
// Run a task
msg_task_t task1 = MSG_task_create("t1", workload, 0, NULL);
MSG_task_execute(task1);
MSG_task_destroy(task1);
double task_time = MSG_get_clock();
XBT_INFO("Task1 simulation time: %e", task_time);
// Change power peak
int new_pstate = 2;
xbt_assert(new_pstate < nb, "Cannot set the host %s at pstate %d because it only provides %d pstates.",
MSG_host_get_name(host), new_pstate, nb);
double peak_at = MSG_host_get_power_peak_at(host, new_pstate);
XBT_INFO("Changing power peak value to %f (at index %d)", peak_at, new_pstate);
MSG_host_set_pstate(host, new_pstate);
current_peak = MSG_host_get_speed(host);
XBT_INFO("Current power peak=%f", current_peak);
// Run a second task
task1 = MSG_task_create("t1", workload, 0, NULL);
MSG_task_execute(task1);
MSG_task_destroy(task1);
task_time = MSG_get_clock() - task_time;
XBT_INFO("Task2 simulation time: %e", task_time);
// Verify the default pstate is set to 0
host = MSG_host_by_name("MyHost2");
int nb2 = MSG_host_get_nb_pstates(host);
XBT_INFO("Count of Processor states=%d", nb2);
double current_peak2 = MSG_host_get_speed(host);
XBT_INFO("Current power peak=%f", current_peak2);
return 0;
}
/** Receiver function */
int receiver(int argc, char *argv[])
{
msg_task_t task = NULL;
_XBT_GNUC_UNUSED msg_error_t res;
int id = -1;
char mailbox[80];
msg_comm_t res_irecv;
_XBT_GNUC_UNUSED int read;
read = sscanf(argv[1], "%d", &id);
xbt_assert(read, "Invalid argument %s\n", argv[1]);
MSG_process_sleep(10);
sprintf(mailbox, "receiver-%d", id);
while (1) {
res_irecv = MSG_task_irecv(&(task), mailbox);
XBT_INFO("Wait to receive a task");
res = MSG_comm_wait(res_irecv, -1);
MSG_comm_destroy(res_irecv);
xbt_assert(res == MSG_OK, "MSG_task_get failed");
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
MSG_task_destroy(task);
break;
}
XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
MSG_task_execute(task);
XBT_INFO("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
}
XBT_INFO("I'm done. See you!");
return 0;
} /* end_of_receiver */
static int worker_func() {
msg_task_t task1 = MSG_task_create("t1", 300E6, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
XBT_INFO("This worker is done.");
return 0;
}
/* Main function of the process I want to start manually */
static int process_function(int argc, char *argv[])
{
msg_task_t task = MSG_task_create("task", 100, 0, NULL);
MSG_task_execute (task);
MSG_task_destroy (task);
return 0;
}
int peer_execute_task(peer_t peer, msg_task_t task)
{
int done = 0;
message_t msg = MSG_task_get_data(task);
XBT_DEBUG("Peer %s got message of type %d\n", peer->me, msg->type);
switch (msg->type) {
case MESSAGE_BUILD_CHAIN:
peer_init_chain(peer, msg);
break;
case MESSAGE_SEND_DATA:
xbt_assert(peer->init, "peer_execute_task() failed: got msg_type %d before initialization", msg->type);
if (peer->next != NULL)
peer_forward_msg(peer, msg);
peer->pieces++;
peer->bytes += msg->data_length;
if (peer->pieces >= peer->total_pieces) {
XBT_DEBUG("%d pieces receieved", peer->pieces);
done = 1;
}
break;
}
MSG_task_execute(task);
return done;
}
static int slave(int argc, char *argv[])
{
msg_task_t task = NULL;
XBT_ATTRIB_UNUSED int res;
int id = -1;
char mailbox[80];
sprintf(mailbox, "jupi");
while (1) {
res = MSG_task_receive(&(task), mailbox);
xbt_assert(res == MSG_OK, "MSG_task_get failed");
if (!strcmp(MSG_task_get_name(task), "finalize")) {
MSG_task_destroy(task);
break;
}
MSG_task_execute(task);
XBT_INFO("Task \"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
id--;
}
XBT_INFO("I'm done. See you!");
return 0;
}
static int worker(int argc, char *argv[])
{
while (1) {
msg_task_t task = NULL;
XBT_ATTRIB_UNUSED int res = MSG_task_receive(&(task), "worker_mailbox");
xbt_assert(res == MSG_OK, "MSG_task_get failed");
XBT_INFO("Handling task \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
XBT_INFO("Destroying task \"%s\"", task->name);
MSG_task_destroy(task);
break;
}
if (!strcmp(MSG_task_get_name(task), "cancel")) {
MSG_process_create("worker1", worker_main, task, MSG_host_self());
MSG_process_sleep(0.1);
XBT_INFO("Canceling task \"%s\"", task->name);
MSG_task_cancel(task);
continue;
}
double start = MSG_get_clock();
MSG_task_execute(task);
double end = MSG_get_clock();
XBT_INFO("Task \"%s\" done in %f (amount %f)", MSG_task_get_name(task), end - start,
MSG_task_get_flops_amount(task));
MSG_task_destroy(task);
}
XBT_INFO("I'm done. See you!");
return 0;
}
static int process_code(int argc, char *argv[])
{
msg_task_t task1 = NULL;
double cpu_task = 0;
double task_time = MSG_get_clock();
if (argc == 2)
{
/* Run a sleep task */
double sleep_task = atof(argv[1]);
MSG_process_sleep(sleep_task);
task_time = MSG_get_clock() - task_time;
XBT_INFO("Process %s executed task sleep cpu=%f, duration = %f",
MSG_process_get_name(MSG_process_self()), 0.0, task_time);
XBT_INFO("==================================================");
}
// Run a task
cpu_task = atof(argv[0]);
task1 = MSG_task_create ("task", cpu_task, 0, NULL);
MSG_task_execute (task1);
MSG_task_destroy(task1);
task_time = MSG_get_clock() - task_time;
XBT_INFO("Process %s executed task cpu=%f, duration = %f",
MSG_process_get_name(MSG_process_self()), cpu_task, task_time);
XBT_INFO("==================================================");
return 0;
}
/** Receiver function */
int slave(int argc, char *argv[])
{
m_task_t task = NULL;
int res;
int id = -1;
xbt_assert1(sscanf(argv[1],"%d", &id),
"Invalid argument %s\n",argv[1]);
MSG_process_sleep(1); /* Make sure the master is done creating the mailboxes */
while(1) {
res = MSG_mailbox_get_task_ext(mb[id], &(task), NULL, -1);
xbt_assert0(res == MSG_OK, "MSG_task_get failed");
INFO1("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task),"finalize")) {
MSG_task_destroy(task);
break;
}
INFO1("Processing \"%s\"", MSG_task_get_name(task));
MSG_task_execute(task);
INFO1("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
}
INFO0("I'm done. See you!");
return 0;
} /* end_of_slave */
/** Receiver function */
int worker(int argc, char *argv[])
{
msg_task_t task = NULL;
_XBT_GNUC_UNUSED int res;
char channel[1024];
build_channel_name(channel,MSG_process_get_data(MSG_process_self()),
MSG_host_get_name(MSG_host_self()));
XBT_DEBUG("Receiving on channel \"%s\"", channel);
while (1) {
res = MSG_task_receive(&(task),channel);
xbt_assert(res == MSG_OK, "MSG_task_get failed");
XBT_DEBUG("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task), "finalize")) {
MSG_task_destroy(task);
break;
}
XBT_DEBUG("Processing \"%s\"", MSG_task_get_name(task));
MSG_task_execute(task);
XBT_DEBUG("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
}
XBT_DEBUG("I'm done. See you!");
return 0;
} /* end_of_worker */
/** Receiver function */
int slave(int argc, char *argv[])
{
m_task_t task = NULL;
int res;
int id = -1;
char mailbox[80];
xbt_assert1(sscanf(argv[1],"%d", &id),
"Invalid argument %s\n",argv[1]);
sprintf(mailbox,"slave-%d",id);
while(1) {
res = MSG_task_receive(&(task), mailbox);
xbt_assert0(res == MSG_OK, "MSG_task_get failed");
// INFO1("Received \"%s\"", MSG_task_get_name(task));
if (!strcmp(MSG_task_get_name(task),"finalize")) {
MSG_task_destroy(task);
break;
}
// INFO1("Processing \"%s\"", MSG_task_get_name(task));
MSG_task_execute(task);
// INFO1("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
}
INFO0("I'm done. See you!");
return 0;
} /* end_of_slave */
/** Receiver function */
int slave(int argc, char *argv[])
{
XBT_INFO("I'm a slave");
while (1) {
msg_task_t task = NULL;
int a;
a = MSG_task_receive(&(task), MSG_host_get_name(MSG_host_self()));
if (a == MSG_OK) {
XBT_INFO("Received \"%s\" ", MSG_task_get_name(task));
if (MSG_task_get_data(task) == FINALIZE) {
MSG_task_destroy(task);
break;
}
XBT_INFO("Processing \"%s\" ", MSG_task_get_name(task));
MSG_task_execute(task);
XBT_INFO("\"%s\" done ", MSG_task_get_name(task));
MSG_task_destroy(task);
} else {
XBT_INFO("Hey ?! What's up ? ");
xbt_die("Unexpected behavior");
}
}
XBT_INFO("I'm done. See you!");
return 0;
} /* end_of_slave */
/** Receiver function */
int slave(int argc, char *argv[])
{
m_task_t task = NULL;
int res;
while (1) {
res = MSG_task_receive(&(task), "master_mailbox");
if (res != MSG_OK) {
XBT_INFO("error");
break;
}
char *data = MSG_task_get_data(task);
if (data && !strcmp(data, "finalize")) {
MSG_task_destroy(task);
break;
}
XBT_INFO("Executing task %f", MSG_task_get_compute_duration(task));
MSG_task_execute(task);
XBT_INFO("End of execution");
MSG_task_destroy(task);
task = NULL;
}
return 0;
}
/** The guy we will move from host to host. It move alone and then is moved by policeman back */
static int emigrant(int argc, char *argv[])
{
msg_task_t task;
XBT_INFO
("I'll look for a new job on another machine where the grass is greener.");
MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name("Boivin"));
XBT_INFO("Yeah, found something to do");
task = MSG_task_create("job", 98095000, 0, NULL);
MSG_task_execute(task);
MSG_task_destroy(task);
MSG_process_sleep(2);
XBT_INFO("Moving back home after work");
MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name("Jacquelin"));
MSG_process_migrate(MSG_process_self(), MSG_get_host_by_name("Boivin"));
MSG_process_sleep(4);
xbt_mutex_acquire(mutex);
process_to_migrate = MSG_process_self();
xbt_cond_broadcast(cond);
xbt_mutex_release(mutex);
MSG_process_suspend(MSG_process_self());
msg_host_t h = MSG_process_get_host(MSG_process_self());
XBT_INFO("I've been moved on this new host: %s", MSG_host_get_name(h));
XBT_INFO("Uh, nothing to do here. Stopping now");
return 0;
} /* end_of_emigrant */
static int worker_main(int argc, char *argv[])
{
double computation_amount = xbt_str_parse_double(argv[1], "Invalid computation amount: %s");
int use_bound = xbt_str_parse_int(argv[2], "Second parameter (use_bound) should be 0 or 1 but is: %s");
double bound = xbt_str_parse_double(argv[3], "Invalid bound: %s");
double clock_sta = MSG_get_clock();
msg_task_t task = MSG_task_create("Task", computation_amount, 0, NULL);
if (use_bound)
MSG_task_set_bound(task, bound);
MSG_task_execute(task);
MSG_task_destroy(task);
double clock_end = MSG_get_clock();
double duration = clock_end - clock_sta;
double flops_per_sec = computation_amount / duration;
if (use_bound)
XBT_INFO("bound to %f => duration %f (%f flops/s)", bound, duration, flops_per_sec);
else
XBT_INFO("not bound => duration %f (%f flops/s)", duration, flops_per_sec);
return 0;
}
static int worker_busy_loop_main(int argc, char *argv[])
{
msg_task_t *task = MSG_process_get_data(MSG_process_self());
MSG_task_execute(*task);
MSG_task_destroy(*task);
return 0;
}
/** Victim. This process gets a lot of remote exceptions */
static int victim(int argc, char *argv[]) {
xbt_ex_t e;
msg_error_t res = MSG_OK;
XBT_INFO("Let's work.");
TRY {
res = MSG_task_execute(MSG_task_create("Task", 1e14, 0, NULL));
if (res != MSG_OK) {
XBT_INFO("The MSG_task_execute caught the exception for me and returned %d)",res);
} else {
xbt_die("I was expecting an exception during my execution!");
}
} CATCH(e) {
XBT_INFO("The received exception resumed my execution. Good. Here is it: ----------------------->8----");
xbt_ex_display(&e);
XBT_INFO("(end of the first exception) ----8<------------------------");
xbt_ex_free(e);
}
XBT_INFO("Let's get suspended.");
int gotit = 0;
TRY {
MSG_process_suspend(MSG_process_self());
} CATCH(e) {
XBT_INFO("The received exception resumed my suspension. Good. Here is it: ----------------------->8----");
xbt_ex_display(&e);
XBT_INFO("(end of the second exception) ----8<------------------------");
gotit = 1;
xbt_ex_free(e);
}
if(!gotit) {
xbt_die("I was expecting an exception during my suspension!");
}
XBT_INFO("Let's sleep for 10 seconds.");
TRY {
res = MSG_process_sleep(10);
if (res != MSG_OK) {
XBT_INFO("The MSG_process_sleep caught the exception for me and returned %d)",res);
} else {
xbt_die("I was expecting to get an exception during my nap.");
}
} CATCH(e) {
XBT_INFO("Got the second exception: ----------------------->8----");
xbt_ex_display(&e);
XBT_INFO("(end of the third exception) ----8<------------------------");
xbt_ex_free(e);
}
XBT_INFO("Let's try a last time to do something on something");
MSG_process_sleep(10);
XBT_INFO("That's enough now. I quit.");
return 0;
}
static int victim(int argc, char *argv[])
{
XBT_INFO("Hello!");
XBT_INFO("Suspending myself");
MSG_process_suspend(MSG_process_self()); /* - First suspend itself */
XBT_INFO("OK, OK. Let's work"); /* - Then is resumed and start to execute a task */
MSG_task_execute(MSG_task_create("work", 1e9, 0, NULL));
XBT_INFO("Bye!"); /* - But will never reach the end of it */
return 0;
}
static int worker_main(int argc, char *argv[])
{
msg_task_t task = (msg_task_t) MSG_process_get_data(MSG_process_self());
msg_error_t res;
XBT_INFO("Start %s", task->name);
res = MSG_task_execute(task);
XBT_INFO("Task %s", res == MSG_OK ? "done" : "failed");
MSG_task_destroy(task);
return 0;
}
void run_chor_task(char task_name[],chor_method_data method_data){
m_task_t exec_task = NULL;
exec_task = MSG_task_create(method_data.method,method_data.exec_time,0,0);
XBT_INFO("performing task %s", method_data.method);
//double init_exec=MSG_get_clock();
MSG_task_execute(exec_task);
//write_log(init_exec,MSG_get_clock(),"exec time ");
XBT_INFO("performed task %s", method_data.method);
MSG_task_destroy(exec_task);
}
static void action_reduce(const char *const *action)
{
int i;
char *reduce_identifier;
char mailbox[80];
double comm_size = parse_double(action[2]);
double comp_size = parse_double(action[3]);
msg_task_t comp_task = NULL;
const char *process_name;
double clock = MSG_get_clock();
process_globals_t counters =
(process_globals_t) MSG_process_get_data(MSG_process_self());
xbt_assert(communicator_size, "Size of Communicator is not defined, "
"can't use collective operations");
process_name = MSG_process_get_name(MSG_process_self());
reduce_identifier = bprintf("reduce_%d", counters->reduce_counter++);
if (!strcmp(process_name, "p0")) {
XBT_DEBUG("%s: %s is the Root", reduce_identifier, process_name);
msg_comm_t *comms = xbt_new0(msg_comm_t, communicator_size - 1);
msg_task_t *tasks = xbt_new0(msg_task_t, communicator_size - 1);
for (i = 1; i < communicator_size; i++) {
sprintf(mailbox, "%s_p%d_p0", reduce_identifier, i);
comms[i - 1] = MSG_task_irecv(&(tasks[i - 1]), mailbox);
}
MSG_comm_waitall(comms, communicator_size - 1, -1);
for (i = 1; i < communicator_size; i++) {
MSG_comm_destroy(comms[i - 1]);
MSG_task_destroy(tasks[i - 1]);
}
xbt_free(comms);
xbt_free(tasks);
comp_task = MSG_task_create("reduce_comp", comp_size, 0, NULL);
XBT_DEBUG("%s: computing 'reduce_comp'", reduce_identifier);
MSG_task_execute(comp_task);
MSG_task_destroy(comp_task);
XBT_DEBUG("%s: computed", reduce_identifier);
} else {
XBT_DEBUG("%s: %s sends", reduce_identifier, process_name);
sprintf(mailbox, "%s_%s_p0", reduce_identifier, process_name);
XBT_DEBUG("put on %s", mailbox);
MSG_task_send(MSG_task_create(reduce_identifier, 0, comm_size, NULL),
mailbox);
}
log_action(action, MSG_get_clock() - clock);
xbt_free(reduce_identifier);
}
static void action_compute(const char *const *action)
{
const char *amount = action[2];
msg_task_t task = MSG_task_create("task", parse_double(amount), 0, NULL);
double clock = MSG_get_clock();
ACT_DEBUG("Entering %s", NAME);
MSG_task_execute(task);
MSG_task_destroy(task);
log_action(action, MSG_get_clock() - clock);
}
static int worker(int argc, char *argv[])
{
msg_task_t task = NULL;
char mailbox[80];
long id= xbt_str_parse_int(argv[1], "Invalid argument %s");
snprintf(mailbox, 79,"worker-%ld", id);
while (1) {
double time1 = MSG_get_clock();
int retcode = MSG_task_receive( &(task), mailbox);
double time2 = MSG_get_clock();
if (retcode == MSG_OK) {
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (MSG_task_get_data(task) == FINALIZE) {
MSG_task_destroy(task);
task = NULL;
break;
}
if (time1 < *((double *) task->data))
time1 = *((double *) task->data);
XBT_INFO("Communication time : \"%f\"", time2 - time1);
XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
retcode = MSG_task_execute(task);
if (retcode == MSG_OK) {
XBT_INFO("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
task = NULL;
} else if (retcode == MSG_HOST_FAILURE) {
XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
MSG_task_destroy(task);
task = NULL;
return 0;
} else {
XBT_INFO("Hey ?! What's up ? ");
xbt_die("Unexpected behavior");
}
} else if (retcode == MSG_HOST_FAILURE) {
XBT_INFO("Gloups. The cpu on which I'm running just turned off!. See you!");
return 0;
} else if (retcode == MSG_TRANSFER_FAILURE) {
XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
} else {
xbt_die("Unexpected behavior");
}
}
XBT_INFO("I'm done. See you!");
return 0;
}
int slave(int argc, char *argv[])
{
while (1) {
msg_task_t task = NULL;
int a;
double time1, time2;
time1 = MSG_get_clock();
a = MSG_task_receive( &(task), MSG_host_get_name(MSG_host_self()) );
time2 = MSG_get_clock();
if (a == MSG_OK) {
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
if (MSG_task_get_data(task) == FINALIZE) {
MSG_task_destroy(task);
break;
}
if (time1 < *((double *) task->data))
time1 = *((double *) task->data);
XBT_INFO("Communication time : \"%f\"", time2 - time1);
XBT_INFO("Processing \"%s\"", MSG_task_get_name(task));
a = MSG_task_execute(task);
if (a == MSG_OK) {
XBT_INFO("\"%s\" done", MSG_task_get_name(task));
free(task->data);
MSG_task_destroy(task);
} else if (a == MSG_HOST_FAILURE) {
XBT_INFO
("Gloups. The cpu on which I'm running just turned off!. See you!");
return 0;
} else {
XBT_INFO("Hey ?! What's up ? ");
xbt_die("Unexpected behavior");
}
} else if (a == MSG_HOST_FAILURE) {
XBT_INFO
("Gloups. The cpu on which I'm running just turned off!. See you!");
return 0;
} else if (a == MSG_TRANSFER_FAILURE) {
XBT_INFO("Mmh. Something went wrong. Nevermind. Let's keep going!");
} else if (a == MSG_TIMEOUT) {
XBT_INFO("Mmh. Got a timeout. Nevermind. Let's keep going!");
} else {
XBT_INFO("Hey ?! What's up ? ");
xbt_die("Unexpected behavior");
}
}
XBT_INFO("I'm done. See you!");
return 0;
} /* end_of_slave */
static int test(int argc, char* argv[])
{
double computation_amount = xbt_str_parse_double(argv[1], "Invalid argument: %s");
double priority = xbt_str_parse_double(argv[2], "Invalid argument: %s");
XBT_INFO("Hello! Running a task of size %g with priority %g", computation_amount, priority);
msg_task_t task = MSG_task_create("Task", computation_amount, 0.0, NULL);
MSG_task_set_priority(task, priority);
MSG_task_execute(task);
MSG_task_destroy(task);
XBT_INFO("Goodbye now!");
return 0;
}
/** Receiver function */
int receiver(int argc, char *argv[])
{
int id = -1;
int i;
char mailbox[80];
xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
int tasks = atof(argv[2]);
msg_task_t *task = xbt_new(msg_task_t, tasks);
_XBT_GNUC_UNUSED int read;
read = sscanf(argv[1], "%d", &id);
xbt_assert(read, "Invalid argument %s\n", argv[1]);
sprintf(mailbox, "receiver-%d", id);
MSG_process_sleep(10);
msg_comm_t res_irecv;
for (i = 0; i < tasks; i++) {
XBT_INFO("Wait to receive task %d", i);
task[i] = NULL;
res_irecv = MSG_task_irecv(&task[i], mailbox);
xbt_dynar_push_as(comms, msg_comm_t, res_irecv);
}
/* Here we are waiting for the receiving of all communications */
msg_task_t task_com;
while (!xbt_dynar_is_empty(comms)) {
_XBT_GNUC_UNUSED msg_error_t err;
xbt_dynar_remove_at(comms, MSG_comm_waitany(comms), &res_irecv);
task_com = MSG_comm_get_task(res_irecv);
MSG_comm_destroy(res_irecv);
XBT_INFO("Processing \"%s\"", MSG_task_get_name(task_com));
MSG_task_execute(task_com);
XBT_INFO("\"%s\" done", MSG_task_get_name(task_com));
err = MSG_task_destroy(task_com);
xbt_assert(err == MSG_OK, "MSG_task_destroy failed");
}
xbt_dynar_free(&comms);
xbt_free(task);
/* Here we tell to sender that all tasks are done */
sprintf(mailbox, "finalize");
res_irecv = MSG_task_isend(MSG_task_create(NULL, 0, 0, NULL), mailbox);
MSG_comm_wait(res_irecv, -1);
MSG_comm_destroy(res_irecv);
XBT_INFO("I'm done. See you!");
return 0;
} /* end_of_receiver */