close_received = false;
finalizing = false;
+ comp_iter = lb_iter = 0;
+
e_xbt_log_priority_t logp = xbt_log_priority_verbose;
if (!LOG_ISENABLED(logp))
return;
std::tr1::mem_fn(&neighbor::get_name));
oss << neigh.back().get_name();
}
- LOG1(logp, "Got %s.", oss.str().c_str());
+ XBT_LOG(logp, "Got %s.", oss.str().c_str());
print_loads(false, logp);
}
{
total_load_exit += real_load;
if (opt::bookkeeping) {
- INFO4("Final load after %d:%d iterations: %g ; expected: %g",
- lb_iter, comp_iter, real_load, expected_load);
+ XBT_INFO("Final load after %d:%d iterations: %g ; expected: %g",
+ lb_iter, comp_iter, real_load, expected_load);
} else {
- INFO2("Final load after %d iterations: %g",
- lb_iter, real_load);
+ XBT_INFO("Final load after %d iterations: %g",
+ lb_iter, real_load);
if (lb_iter != comp_iter)
- WARN2("lb_iter (%d) and comp_iter (%d) differ!",
- lb_iter, comp_iter);
+ XBT_WARN("lb_iter (%d) and comp_iter (%d) differ!",
+ lb_iter, comp_iter);
}
- VERB1("Total computation for this process: %g", comp);
+ XBT_VERB("Total computation for this process: %g", comp);
}
int process::run()
{
double next_iter_after_date = 0.0;
- INFO1("Initial load: %g", real_load);
- VERB0("Starting...");
- comp_iter = lb_iter = 0;
+ XBT_INFO("Initial load: %g", real_load);
+ XBT_VERB("Starting...");
while (true) {
- double ld = lb_load();
- if (ld > 0.0) {
+ if (get_load() > 0.0) {
double now = MSG_get_clock();
if (now < next_iter_after_date)
MSG_process_sleep(next_iter_after_date - now);
- next_iter_after_date = MSG_get_clock() + opt::min_iter_duration;
+ next_iter_after_date = MSG_get_clock() + opt::min_lb_iter_duration;
++lb_iter;
if (opt::log_rate && lb_iter % opt::log_rate == 0) {
if (opt::bookkeeping)
- INFO4("(%u:%u) current load: %g ; expected: %g",
- lb_iter, comp_iter, real_load, expected_load);
+ XBT_INFO("(%u:%u) current load: %g ; expected: %g",
+ lb_iter, comp_iter, real_load, expected_load);
else
- INFO2("(%u) current load: %g",
- lb_iter, real_load);
+ XBT_INFO("(%u) current load: %g",
+ lb_iter, real_load);
}
- ld -= load_balance(ld);
+ load_balance();
print_loads(true, xbt_log_priority_debug);
}
- lb_load() = ld;
// send load information, and load (data) if any
send_all();
}
if (opt::lb_maxiter && lb_iter >= opt::lb_maxiter) {
- VERB2("Reached lb_maxiter: %d/%d", lb_iter, opt::lb_maxiter);
+ XBT_VERB("Reached lb_maxiter: %d/%d", lb_iter, opt::lb_maxiter);
break;
}
if (opt::comp_maxiter && comp_iter >= opt::comp_maxiter) {
- VERB2("Reached comp_maxiter: %d/%d", comp_iter, opt::comp_maxiter);
+ XBT_VERB("Reached comp_maxiter: %d/%d", comp_iter, opt::comp_maxiter);
break;
}
if (opt::time_limit && MSG_get_clock() >= opt::time_limit) {
- VERB2("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
+ XBT_VERB("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
break;
}
// block on receiving unless there is something to compute or
// to send
double timeout;
- if (real_load != 0 || lb_load() != prev_load_broadcast)
+ if (real_load != 0 || get_load() != prev_load_broadcast)
timeout = 0.0;
- else if (opt::min_iter_duration)
- timeout = opt::min_iter_duration;
+ else if (opt::min_lb_iter_duration)
+ timeout = opt::min_lb_iter_duration;
else
timeout = 1.0;
receive(timeout);
// one of our neighbor is finalizing
if (opt::exit_on_close && close_received) {
- VERB0("Close received");
+ XBT_VERB("Close received");
break;
}
// have no load and cannot receive anything
if (real_load == 0.0 && !may_receive()) {
- VERB0("I'm a poor lonesome process, and I have no load...");
+ XBT_VERB("I'm a poor lonesome process, and I have no load...");
break;
}
// fixme: should this chunk be moved before call to receive() ?
if (100.0 * total_load_running / total_load_init <=
opt::load_ratio_threshold) {
- VERB0("No more load to balance in system.");
+ XBT_VERB("No more load to balance in system.");
break;
} else {
- DEBUG1("still %g load to balance, continuing...", total_load_running);
+ XBT_DEBUG("still %g load to balance, continuing...", total_load_running);
}
}
- VERB0("Going to finalize...");
+ XBT_VERB("Going to finalize...");
finalize();
/* Open Questions :
* - how to manage link failures ?
*/
- VERB0("Done.");
+ XBT_VERB("Done.");
return 0;
}
-double process::load_balance(double /*my_load*/)
+void process::load_balance()
{
if (lb_iter == 1) // warn only once
- WARN0("process::load_balance() is a no-op!");
- return 0.0;
+ XBT_WARN("process::load_balance() is a no-op!");
}
void process::compute()
double flops = opt::comp_cost(real_load);
m_task_t task = MSG_task_create("computation", flops, 0.0, NULL);
TRACE_msg_set_task_category(task, TRACE_CAT_COMP);
- DEBUG2("compute %g flop%s", flops, ESSE(flops));
+ XBT_DEBUG("compute %g flop%s", flops, ESSE(flops));
MSG_task_execute(task);
comp += flops;
MSG_task_destroy(task);
} else {
- DEBUG0("nothing to compute !");
+ XBT_DEBUG("nothing to compute !");
}
}
+void process::send(neighbor& nb, double amount)
+{
+ set_load(get_load() - amount);
+ nb.set_to_send(nb.get_to_send() + amount);
+ nb.set_load(nb.get_load() + amount); // fixme: make this optional?
+}
+
void process::send1_no_bookkeeping(neighbor& nb)
{
if (real_load != prev_load_broadcast)
message* msg;
m_host_t from;
- DEBUG2("%sblocking receive (%g)", "\0non-" + !timeout, timeout);
+ XBT_DEBUG("%sblocking receive (%g)", "\0non-" + !timeout, timeout);
while (may_receive() && comm.recv(msg, from, timeout)) {
switch (msg->get_type()) {
case message::INFO: {
finalizing = true;
total_load_running -= real_load;
- DEBUG2("send CLOSE to %lu neighbor%s",
- (unsigned long )neigh.size(), ESSE(neigh.size()));
+ XBT_DEBUG("send CLOSE to %zu neighbor%s", neigh.size(), ESSE(neigh.size()));
std::for_each(neigh.begin(), neigh.end(),
bind(&process::finalize1, this, _1));
- DEBUG2("wait for CLOSE from %lu neighbor%s",
- (unsigned long )neigh.size(), ESSE(neigh.size()));
while (may_receive()) {
comm.flush(false);
+ XBT_DEBUG("waiting for %d CTRL and %d DATA CLOSE",
+ ctrl_close_pending, data_close_pending);
receive(-1.0);
}
if (_XBT_LOG_ISENABLEDV((*cat), logp)) { \
using std::tr1::bind; \
using std::tr1::placeholders::_1; \
- XCLOG0(cat, logp, "Neighbor loads:"); \
+ XBT_XCLOG(cat, logp, "Neighbor loads:"); \
std::for_each(vec.begin(), vec.end(), \
bind(&neighbor::print, _1, verbose, logp, cat)); \
} else ((void)0)
