-#include <algorithm>
-#include <cmath>
#include <cstring>
-#include <tr1/functional>
#include <iostream>
-#include <numeric>
#include <stdexcept>
-#include <vector>
#include <msg/msg.h>
#include <xbt/log.h>
XBT_LOG_NEW_SUBCATEGORY(comm, simu, "Messages from asynchronous pipes");
XBT_LOG_NEW_SUBCATEGORY(proc, simu, "Messages from base process class");
XBT_LOG_NEW_SUBCATEGORY(loba, simu, "Messages from load-balancer");
+XBT_LOG_NEW_SUBCATEGORY(thrd, simu, "Messages from thread wrapper class");
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(main);
#include "misc.h"
#include "options.h"
#include "process.h"
+#include "statistics.h"
+#include "synchro.h"
#include "timer.h"
#include "tracing.h"
#include "version.h"
EXIT_FAILURE_CLEAN = 0x08, // error at cleanup
};
- std::vector<double> comps;
- double comp_total;
- double comp_avg;
- double comp_stddev;
+ mutex_t proc_mutex;
+ condition_t proc_cond;
+ unsigned proc_counter = 0;
+
+ statistics comps;
+ statistics loads;
- std::vector<double> loads;
- double load_avg;
- double load_stddev;
}
static int simulation_main(int argc, char* argv[])
process* proc;
try {
proc = opt::loba_algorithms.new_instance(opt::loba_algo, argc, argv);
+
+ proc_mutex.acquire();
+ ++proc_counter;
+ proc_mutex.release();
+
result = proc->run();
- comps.push_back(proc->get_comp());
- loads.push_back(proc->get_load());
+
+ proc_mutex.acquire();
+ comps.push(proc->get_comp());
+ loads.push(proc->get_real_load());
+
+ // Synchronization barrier...
+ // The goal is to circumvent a limitation in SimGrid (at least
+ // in version 3.5): a process must be alive when another one
+ // destroys a communication they had together.
+
+ --proc_counter;
+ proc_cond.broadcast();
+ while (proc_counter > 0)
+ proc_cond.wait(proc_mutex);
+ proc_mutex.release();
+
delete proc;
}
catch (std::invalid_argument& e) {
double lost = total_init - total_exit;
double lost_ratio = 100.0 * lost / total_init;
if (lost_ratio < -opt::load_ratio_threshold)
- CRITICAL2("Gained load at exit! %g (%g%%) <============",
- lost, lost_ratio);
+ XBT_ERROR("Gained load at exit! %g (%g%%) <============",
+ -lost, -lost_ratio);
else if (lost_ratio > opt::load_ratio_threshold)
- CRITICAL2("Lost load at exit! %g (%g%%) <============",
+ XBT_ERROR("Lost load at exit! %g (%g%%) <============",
lost, lost_ratio);
else
- VERB2("Total load at exit looks good: %g (%g%%)", lost, lost_ratio);
+ XBT_VERB("Total load at exit looks good: %g (%g%%)", lost, lost_ratio);
double total_running = process::get_total_load_running();
double running_ratio = 100.0 * total_running / total_init;
if (running_ratio < -opt::load_ratio_threshold)
- CRITICAL2("Negative running load at exit! %g (%g%%) <============",
+ XBT_ERROR("Negative running load at exit! %g (%g%%) <============",
total_running, running_ratio);
else if (running_ratio > opt::load_ratio_threshold)
- CRITICAL2("Remaining running load at exit! %g (%g%%) <============",
+ XBT_ERROR("Remaining running load at exit! %g (%g%%) <============",
total_running, running_ratio);
else
- VERB2("Running load at exit looks good: %g (%g%%)",
- total_running, running_ratio);
+ XBT_VERB("Running load at exit looks good: %g (%g%%)",
+ total_running, running_ratio);
}
-static void statistics(const std::vector<double>& vec,
- double* sum, double* avg, double* stddev)
-{
- using std::tr1::bind;
- using std::tr1::placeholders::_1;
-
- unsigned n = vec.size();
- double vec_sum = std::accumulate(vec.begin(), vec.end(), 0.0);
- double vec_avg = vec_sum / n;
-
- if (sum)
- *sum = vec_sum;
- if (avg)
- *avg = vec_avg;
-
- if (stddev) {
- std::vector<double> diff(vec);
- std::transform(diff.begin(), diff.end(), diff.begin(),
- bind(std::minus<double>(), _1, vec_avg));
- double epsilon = std::accumulate(diff.begin(), diff.end(), 0.0);
- double square_sum = std::inner_product(diff.begin(), diff.end(),
- diff.begin(), 0.0);
- double variance = (square_sum - (epsilon * epsilon) / n) / n;
- *stddev = sqrt(variance);
- }
-}
-
-static void compute_metrics()
-{
- statistics(comps, &comp_total, &comp_avg, &comp_stddev);
- statistics(loads, NULL, &load_avg, &load_stddev);
-}
+#define PR_STATS(descr, st) \
+ XBT_INFO("| %.*s: %g / %g / %g", 39, \
+ descr " total/avg./stddev. at exit.........................", \
+ st.get_sum(), st.get_mean(), st.get_stddev())
int main(int argc, char* argv[])
{
MSG_clean();
exit(parse_res ? EXIT_NO_FAILURE : EXIT_FAILURE_ARGS);
}
- INFO3("%s v%s (%s)", opt::program_name.c_str(), version::num.c_str(),
+ XBT_INFO("%s v%s (%s)", opt::program_name.c_str(), version::num.c_str(),
version::date.c_str());
opt::print();
if (!opt::auto_depl::nhosts)
opt::auto_depl::nhosts = hostdata::size();
if (opt::auto_depl::nhosts > hostdata::size()) {
- WARN2("%u hosts is too much: limiting to %u",
- opt::auto_depl::nhosts, (unsigned )hostdata::size());
+ XBT_WARN("%u hosts is too much: limiting to %zu",
+ opt::auto_depl::nhosts, hostdata::size());
opt::auto_depl::nhosts = hostdata::size();
}
if (!opt::auto_depl::load)
exit_status = EXIT_FAILURE_SIMU; // =====
// Launch the MSG simulation.
- INFO1("Starting simulation at %f...", MSG_get_clock());
+ XBT_INFO("Starting simulation at %f...", MSG_get_clock());
res = MSG_main();
simulated_time = MSG_get_clock();
- INFO1("Simulation ended at %f.", simulated_time);
+ XBT_INFO("Simulation ended at %f.", simulated_time);
+
if (res != MSG_OK)
THROW1(0, 0, "MSG_main() failed with status %#x", res);
int len = strlen(ex.msg);
if (len > 0 && ex.msg[len - 1] == '\n')
ex.msg[len - 1] = '\0'; // strip the ending '\n'
- ERROR1("%s", ex.msg);
- DEBUG3("Error from %s() in %s:%d", ex.func, ex.file, ex.line);
+ XBT_ERROR("%s", ex.msg);
+ XBT_DEBUG("Error from %s() in %s:%d", ex.func, ex.file, ex.line);
xbt_ex_free(ex);
}
hostdata::destroy();
res = MSG_clean();
if (res != MSG_OK) {
- ERROR1("MSG_clean() failed with status %#x", res);
+ XBT_ERROR("MSG_clean() failed with status %#x", res);
exit_status |= EXIT_FAILURE_CLEAN;
}
if (simulated_time >= 0.0) {
simulation_time.stop();
check_for_lost_load();
- compute_metrics();
- INFO0(",----[ Results ]");
- INFO2("| Load avg./stddev. at exit..............: %g / %g",
- load_avg, load_stddev);
- INFO3("| Computation total/avg./stddev. at exit.: %g / %g / %g",
- comp_total, comp_avg, comp_stddev);
- INFO1("| Total simulated time...................: %g", simulated_time);
- INFO1("| Total simulation time..................: %g",
- simulation_time.duration());
- INFO0("`----");
+ XBT_INFO(",----[ Results ]");
+ PR_STATS("Load", loads);
+ PR_STATS("Computation", comps);
+ XBT_INFO("| Total simulated time...................: %g",
+ simulated_time);
+ XBT_INFO("| Total simulation time..................: %g",
+ simulation_time.duration());
+ XBT_INFO("`----");
}
if (exit_status)
- ERROR1("Simulation failed (%#x).", exit_status);
+ XBT_ERROR("Simulation failed (%#x).", exit_status);
else
- INFO0("Simulation succeeded.");
+ XBT_INFO("Simulation succeeded.");
return exit_status;
}
