#include <algorithm>
-#include <tr1/functional>
+#include <functional>
#include <iterator>
#include <numeric>
#include <stdexcept>
namespace {
- void sleep_until_date(double& date, double duration = 0.0)
+ void sleep_until_date(double& date, double duration)
{
double sleep_duration = date - MSG_get_clock();
if (sleep_duration > 0.0)
rev_neigh.insert(std::make_pair(host, ptr));
}
- comp = 0.0;
-
prev_load_broadcast = -1; // force sending of load on first send_all()
expected_load = real_load;
total_load_running += real_load;
comp_iter = lb_iter = 0;
lb_thread = new_msg_thread("loba",
- std::tr1::bind(&process::load_balance_loop,
- this));
+ std::bind(&process::load_balance_loop, this));
e_xbt_log_priority_t logp = xbt_log_priority_verbose;
if (!LOG_ISENABLED(logp))
oss << ESSE(neigh.size()) << ": ";
std::transform(neigh.begin(), neigh.end() - 1,
std::ostream_iterator<const char*>(oss, ", "),
- std::tr1::mem_fn(&neighbor::get_name));
+ std::mem_fn(&neighbor::get_name));
oss << neigh.back().get_name();
}
XBT_LOG(logp, "Got %s.", oss.str().c_str());
XBT_INFO("Final load after %d:%d iterations: %g",
lb_iter, comp_iter, real_load);
XBT_VERB("Expected load was: %g", expected_load);
- XBT_VERB("Total computation for this process: %g", comp);
+ XBT_VERB("Total computation for this process: %g", get_comp_amount());
}
int process::run()
void process::load_balance_loop()
{
- using std::tr1::bind;
- using std::tr1::placeholders::_1;
+ using std::placeholders::_1;
double next_iter_after_date = MSG_get_clock() + opt::min_lb_iter_duration;
while (still_running()) {
++lb_iter;
}
+ mutex.acquire();
if (!opt::bookkeeping)
expected_load = real_load - get_sum_of_to_send();
// nothing to do with opt::bookkeeping
print_loads(true, xbt_log_priority_debug);
// send
+ comm.ctrl_flush(false);
std::for_each(neigh.begin(), neigh.end(),
- bind(&process::ctrl_send, this, _1));
+ std::bind(&process::ctrl_send, this, _1));
prev_load_broadcast = expected_load;
+ mutex.release();
sleep_until_date(next_iter_after_date, opt::min_lb_iter_duration);
ctrl_receive(0.0);
-
- comm.ctrl_flush(false);
}
XBT_VERB("Going to finalize for %s...", __func__);
XBT_DEBUG("send CTRL_CLOSE to %zu neighbor%s",
neigh.size(), ESSE(neigh.size()));
std::for_each(neigh.begin(), neigh.end(),
- bind(&process::ctrl_close, this, _1));
+ std::bind(&process::ctrl_close, this, _1));
while (ctrl_close_pending) {
comm.ctrl_flush(false);
XBT_DEBUG("waiting for %d CTRL CLOSE", ctrl_close_pending);
void process::compute_loop()
{
- using std::tr1::bind;
- using std::tr1::placeholders::_1;
+ using std::placeholders::_1;
double next_iter_after_date = MSG_get_clock() + opt::min_comp_iter_duration;
while (still_running()) {
// receive
+ mutex.acquire();
if (real_load > 0.0)
data_receive(0.0);
else
data_receive(opt::min_comp_iter_duration);
+ mutex.release();
+ // send
comm.data_flush(false);
+ mutex.acquire();
+ std::for_each(neigh.begin(), neigh.end(),
+ std::bind(&process::data_send, this, _1));
+ mutex.release();
if (real_load == 0.0)
continue;
- // send
- std::for_each(neigh.begin(), neigh.end(),
- bind(&process::data_send, this, _1));
-
// compute
++comp_iter;
double flops = opt::comp_cost(real_load);
TRACE_msg_set_task_category(task, TRACE_CAT_COMP);
XBT_DEBUG("compute %g flop%s", flops, ESSE(flops));
MSG_task_execute(task);
- comp += flops;
+ add_comp_amount(flops);
MSG_task_destroy(task);
sleep_until_date(next_iter_after_date, opt::min_comp_iter_duration);
XBT_VERB("Going to finalize for %s...", __func__);
// last send, for not losing load scheduled to be sent
std::for_each(neigh.begin(), neigh.end(),
- bind(&process::data_send, this, _1));
+ std::bind(&process::data_send, this, _1));
finalizing = true;
total_load_running -= real_load;
XBT_DEBUG("send DATA_CLOSE to %zu neighbor%s",
neigh.size(), ESSE(neigh.size()));
std::for_each(neigh.begin(), neigh.end(),
- bind(&process::data_close, this, _1));
+ std::bind(&process::data_close, this, _1));
while (data_close_pending) {
comm.data_flush(false);
XBT_DEBUG("waiting for %d DATA CLOSE", data_close_pending);
if (!last_status) {
/* nop */
+ } else if (opt::exit_request) {
+ XBT_VERB("Global exit requested");
+ last_status = false;
+
} else if (opt::time_limit && MSG_get_clock() >= opt::time_limit) {
XBT_VERB("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
last_status = false;
double process::get_sum_of_to_send() const
{
- using std::tr1::bind;
- using std::tr1::placeholders::_1;
- using std::tr1::placeholders::_2;
+ using std::placeholders::_1;
+ using std::placeholders::_2;
return std::accumulate(neigh.begin(), neigh.end(), 0.0,
- bind(std::plus<double>(),
- _1, bind(&neighbor::get_to_send, _2)));
+ std::bind(std::plus<double>(), _1,
+ std::bind(&neighbor::get_to_send, _2)));
}
void process::load_balance()
void process::ctrl_send(neighbor& nb)
{
double info_to_send = expected_load;
- if (info_to_send != prev_load_broadcast)
- comm.ctrl_send(nb.get_ctrl_mbox(),
- new message(message::INFO, info_to_send));
- if (opt::bookkeeping) {
- double debt_to_send = nb.get_to_send();
+ double debt_to_send;
+ if (opt::bookkeeping) { // bookkeeping
+ debt_to_send = nb.get_to_send();
if (debt_to_send > 0.0) {
nb.set_to_send(0.0);
nb.set_debt(nb.get_debt() + debt_to_send);
- comm.ctrl_send(nb.get_ctrl_mbox(),
- new message(message::CREDIT, debt_to_send));
}
+ } else { // !bookkeeping
+ debt_to_send = 0.0;
+ }
+ if (info_to_send != prev_load_broadcast || debt_to_send > 0.0) {
+ message* msg = new message(message::INFO, info_to_send, debt_to_send);
+ add_ctrl_send_mesg(msg->get_size());
+ comm.ctrl_send(nb.get_ctrl_mbox(), msg);
}
}
{
double load_to_send;
if (opt::bookkeeping) {
- if (real_load <= nb.get_debt()) {
- load_to_send = real_load;
+ load_to_send = std::min(real_load, nb.get_debt());
+ if (load_to_send >= opt::min_transfer_amount) {
nb.set_debt(nb.get_debt() - load_to_send);
- real_load = 0.0;
- } else {
- load_to_send = nb.get_debt();
- nb.set_debt(0.0);
real_load -= load_to_send;
+ } else {
+ load_to_send = 0.0;
}
} else {
load_to_send = nb.get_to_send();
- nb.set_to_send(0.0);
- real_load -= load_to_send;
+ if (load_to_send >= opt::min_transfer_amount) {
+ nb.set_to_send(0.0);
+ real_load -= load_to_send;
+ } else {
+ load_to_send = 0.0;
+ }
+ }
+ while (load_to_send > 0.0) {
+ double amount;
+ if (opt::max_transfer_amount)
+ amount = std::min(load_to_send, opt::max_transfer_amount);
+ else
+ amount = load_to_send;
+ message* msg = new message(message::LOAD, amount);
+ add_data_send_mesg(msg->get_size());
+ comm.data_send(nb.get_data_mbox(), msg);
+ load_to_send -= amount;
}
- if (load_to_send > 0.0)
- comm.data_send(nb.get_data_mbox(),
- new message(message::LOAD, load_to_send));
}
void process::ctrl_close(neighbor& nb)
XBT_DEBUG("%sblocking receive on ctrl (%g)", "\0non-" + !timeout, timeout);
while (ctrl_close_pending && comm.ctrl_recv(msg, from, timeout)) {
+ if (msg->get_type() != message::CTRL_CLOSE)
+ add_ctrl_recv_mesg(msg->get_size());
handle_message(msg, from);
timeout = 0.0;
}
XBT_DEBUG("%sblocking receive on data (%g)", "\0non-" + !timeout, timeout);
while (data_close_pending && comm.data_recv(msg, from, timeout)) {
+ if (msg->get_type() != message::DATA_CLOSE)
+ add_data_recv_mesg(msg->get_size());
handle_message(msg, from);
timeout = 0.0;
}
case message::INFO: {
neighbor* n = rev_neigh[from];
n->set_load(msg->get_amount() + n->get_to_send());
+ expected_load += msg->get_credit(); // may be 0.0 if !opt::bookkeeping
break;
}
- case message::CREDIT:
- expected_load += msg->get_amount();
- break;
case message::LOAD: {
double ld = msg->get_amount();
real_load += ld;
#define print_loads_generic(vec, verbose, logp, cat) \
if (_XBT_LOG_ISENABLEDV((*cat), logp)) { \
- using std::tr1::bind; \
- using std::tr1::placeholders::_1; \
+ using std::placeholders::_1; \
XBT_XCLOG(cat, logp, "My load: %g (real); %g (expected). " \
"Neighbor loads:", real_load, expected_load); \
std::for_each(vec.begin(), vec.end(), \
- bind(&neighbor::print, _1, verbose, logp, cat)); \
+ std::bind(&neighbor::print, _1, verbose, logp, cat)); \
} else ((void)0)
void process::print_loads(bool verbose,
