X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/e8cd9a72c8bb979e62f220854ad8c25db52edee7..62b90f31f04373d8d2beb6afd797f48ff6fc398b:/main.cpp diff --git a/main.cpp b/main.cpp index dd8b661..8a1d5c8 100644 --- a/main.cpp +++ b/main.cpp @@ -53,6 +53,7 @@ namespace { statistics comps; statistics comp_iterations; statistics all_comp_iterations; + statistics iter_deviation; statistics data_send_amount; statistics data_recv_amount; statistics data_send_count; @@ -70,52 +71,47 @@ static int simulation_main(int argc, char* argv[]) { int result; 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(); - - proc_mutex->acquire(); - loads.push(proc->get_real_load()); - comps.push(proc->get_comp_amount()); - comp_iterations.push(proc->get_comp_iter()); - all_comp_iterations.push(proc->get_all_comp_iter()); - data_send_amount.push(proc->get_data_send_amount()); - data_recv_amount.push(proc->get_data_recv_amount()); - data_send_count.push(proc->get_data_send_count()); - data_recv_count.push(proc->get_data_recv_count()); - ctrl_send_amount.push(proc->get_ctrl_send_amount()); - ctrl_recv_amount.push(proc->get_ctrl_recv_amount()); - ctrl_send_count.push(proc->get_ctrl_send_count()); - ctrl_recv_count.push(proc->get_ctrl_recv_count()); - idle_duration.push(proc->get_idle_duration()); - double c = proc->get_convergence(); - if (c != -1.0) - convergence.push(c); - - // 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 (const std::invalid_argument& e) { - THROWF(arg_error, 0, "%s", e.what()); - } - catch (const std::exception& e) { - THROWF(0, 0, "%s", e.what()); - } + + proc = opt::loba_algorithms.new_instance(opt::loba_algo, argc, argv); + + proc_mutex->acquire(); + ++proc_counter; + proc_mutex->release(); + + result = proc->run(); + + proc_mutex->acquire(); + loads.push(proc->get_real_load()); + comps.push(proc->get_comp_amount()); + comp_iterations.push(proc->get_comp_iter()); + all_comp_iterations.push(proc->get_all_comp_iter()); + iter_deviation.push(proc->get_iter_deviation()); + data_send_amount.push(proc->get_data_send_amount()); + data_recv_amount.push(proc->get_data_recv_amount()); + data_send_count.push(proc->get_data_send_count()); + data_recv_count.push(proc->get_data_recv_count()); + ctrl_send_amount.push(proc->get_ctrl_send_amount()); + ctrl_recv_amount.push(proc->get_ctrl_recv_amount()); + ctrl_send_count.push(proc->get_ctrl_send_count()); + ctrl_recv_count.push(proc->get_ctrl_recv_count()); + idle_duration.push(proc->get_idle_duration()); + double c = proc->get_convergence(); + if (c != -1.0) + convergence.push(c); + + // 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; + return result; } @@ -192,12 +188,10 @@ static void install_signal_handler() int main(int argc, char* argv[]) { - // Note: variables used after THROW must be declared as volatile. - volatile int exit_status = 0; // global exit status - volatile double simulated_time = -1.0; + int exit_status = 0; // global exit status + double simulated_time = -1.0; timestamp elapsed_time(timestamp::wallclock_time); timestamp simulation_time(timestamp::cpu_time); - xbt_ex_t ex; MSG_error_t res; elapsed_time.start(); @@ -215,8 +209,6 @@ int main(int argc, char* argv[]) } // Initialize some MSG internal data. - // Note: MSG_global_init() may throw an exception, but it seems - // impossible to catch it correctly :-( MSG_global_init(&argc, argv); install_signal_handler(); @@ -238,77 +230,65 @@ int main(int argc, char* argv[]) version::date.c_str()); opt::print(); - TRY { - exit_status = EXIT_FAILURE_INIT; // ===== - - // Register the default function of an agent - // MSG_function_register("simulation_main", simulation_main); - MSG_function_register_default(simulation_main); - - // Create the platform and the application. - XBT_DEBUG("Loading platform file..."); - MSG_create_environment(opt::platform_file.c_str()); - XBT_DEBUG("Creating hostdata..."); - hostdata::create(); - XBT_INFO("Loaded description of %zd hosts.", hostdata::size()); - XBT_DEBUG("Deploying processes..."); - if (opt::auto_depl::enabled) { - if (!opt::auto_depl::nhosts) - opt::auto_depl::nhosts = hostdata::size(); - if (opt::auto_depl::nhosts > 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 == 0.0) { - XBT_WARN("Initial load is zero! " - "Falling back on old behaviour (load = nhosts)."); - opt::auto_depl::load = opt::auto_depl::nhosts; - } else if (opt::auto_depl::load < 0.0) - opt::auto_depl::load = - -opt::auto_depl::load * opt::auto_depl::nhosts; - double iload = std::trunc(opt::auto_depl::load); - if (opt::integer_transfer && opt::auto_depl::load != iload) { - XBT_WARN("Total load %g is not an integer. Truncate it.", - opt::auto_depl::load); - opt::auto_depl::load = iload; - } - MY_launch_application(); // it is already opt::* aware... - } else { - MSG_launch_application(opt::deployment_file.c_str()); + // Register the default function of an agent + // MSG_function_register("simulation_main", simulation_main); + MSG_function_register_default(simulation_main); + + // Create the platform and the application. + XBT_DEBUG("Loading platform file..."); + MSG_create_environment(opt::platform_file.c_str()); + XBT_DEBUG("Creating hostdata..."); + hostdata::create(); + XBT_INFO("Loaded description of %zd hosts.", hostdata::size()); + XBT_DEBUG("Deploying processes..."); + if (opt::auto_depl::enabled) { + if (!opt::auto_depl::nhosts) + opt::auto_depl::nhosts = hostdata::size(); + if (opt::auto_depl::nhosts > 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 == 0.0) { + XBT_WARN("Initial load is zero! " + "Falling back on old behaviour (load = nhosts)."); + opt::auto_depl::load = opt::auto_depl::nhosts; + } else if (opt::auto_depl::load < 0.0) + opt::auto_depl::load = + -opt::auto_depl::load * opt::auto_depl::nhosts; + double iload = std::trunc(opt::auto_depl::load); + if (opt::integer_transfer && opt::auto_depl::load != iload) { + XBT_WARN("Total load %g is not an integer. Truncate it.", + opt::auto_depl::load); + opt::auto_depl::load = iload; + } + MY_launch_application(); // it is already opt::* aware... + } else { + MSG_launch_application(opt::deployment_file.c_str()); + } - // Register tracing categories - TRACE_category_with_color(TRACE_CAT_COMP, TRACE_COLOR_COMP); - TRACE_category_with_color(TRACE_CAT_CTRL, TRACE_COLOR_CTRL); - TRACE_category_with_color(TRACE_CAT_DATA, TRACE_COLOR_DATA); - - exit_status = EXIT_FAILURE_SIMU; // ===== - - proc_mutex = new mutex_t(); - proc_cond = new condition_t(); + // Register tracing categories + TRACE_category_with_color(TRACE_CAT_COMP, TRACE_COLOR_COMP); + TRACE_category_with_color(TRACE_CAT_CTRL, TRACE_COLOR_CTRL); + TRACE_category_with_color(TRACE_CAT_DATA, TRACE_COLOR_DATA); - // Launch the MSG simulation. - XBT_INFO("Starting simulation at %f...", MSG_get_clock()); - res = MSG_main(); - simulated_time = MSG_get_clock(); - XBT_INFO("Simulation ended at %f.", simulated_time); + proc_mutex = new mutex_t(); + proc_cond = new condition_t(); - delete proc_cond; - delete proc_mutex; + // Launch the MSG simulation. + XBT_INFO("Starting simulation at %f...", MSG_get_clock()); + res = MSG_main(); + simulated_time = MSG_get_clock(); + XBT_INFO("Simulation ended at %f.", simulated_time); - if (res != MSG_OK) - THROWF(0, 0, "MSG_main() failed with status %#x", res); + delete proc_cond; + delete proc_mutex; - exit_status = EXIT_NO_FAILURE; // ===== - } - CATCH (ex) { - int len = strlen(ex.msg); - if (len > 0 && ex.msg[len - 1] == '\n') - ex.msg[len - 1] = '\0'; // strip the ending '\n' - XBT_ERROR("%s", ex.msg); - XBT_DEBUG("Error from %s() in %s:%d", ex.func, ex.file, ex.line); - xbt_ex_free(ex); + if (res == MSG_OK) { + exit_status = EXIT_NO_FAILURE; + } else { + XBT_ERROR("MSG_main() failed with status %#x", res); + exit_status = EXIT_FAILURE_SIMU; } // Clean the MSG simulation. @@ -331,7 +311,6 @@ int main(int argc, char* argv[]) PR_STATS("Computation", comps); PR_STATS("Comp. iterations", comp_iterations); PR_STATS("X-Comp. iterations", all_comp_iterations); - PR_STATS("Idle duration", idle_duration); PR_STATS("Data send amount", data_send_amount); PR_STATS("Data recv amount", data_recv_amount); PR_STATS("Data send count", data_send_count); @@ -359,6 +338,8 @@ int main(int argc, char* argv[]) PR_VALUE("Times of convergence (min/max/avg/dev)", "%g / %g / %g / %g", convergence.get_min(), convergence.get_max(), convergence.get_mean(), convergence.get_stddev()); + PR_STATS("Idle duration", idle_duration); + PR_STATS("Supernumer. comp. iter.", iter_deviation); XBT_INFO("`----"); }