/** @brief Resumes all processes ready to run. */ void RawContextFactory::run_all_adaptative() { unsigned long nb_processes = xbt_dynar_length(simix_global->process_to_run); if (SIMIX_context_is_parallel() && (unsigned long) SIMIX_context_get_parallel_threshold() < nb_processes) { raw_context_parallel = true; XBT_DEBUG("Runall // %lu", nb_processes); this->run_all_parallel(); } else { XBT_DEBUG("Runall serial %lu", nb_processes); raw_context_parallel = false; this->run_all_serial(); } }
void RawContectFactory::run_all_adaptative() { unsigned long nb_processes = xbt_dynar_length(simix_global->process_to_run); unsigned long threshold = SIMIX_context_get_parallel_threshold(); reached_seq_limit = (seq_sched_round % SCHED_ROUND_LIMIT == 0); reached_par_limit = (par_sched_round % SCHED_ROUND_LIMIT == 0); if(reached_seq_limit && reached_par_limit){ par_ratio = (par_proc_that_ran != 0) ? (par_time / (double)par_proc_that_ran) : 0; seq_ratio = (seq_proc_that_ran != 0) ? (seq_time / (double)seq_proc_that_ran) : 0; if(seq_ratio > par_ratio){ if(nb_processes < avg_par_proc) { threshold = (threshold>2) ? threshold - 1 : threshold ; SIMIX_context_set_parallel_threshold(threshold); } } else { if(nb_processes > avg_seq_proc){ SIMIX_context_set_parallel_threshold(threshold+1); } } } if (nb_processes >= SIMIX_context_get_parallel_threshold()) { simix_global->context_factory->suspend = smx_ctx_raw_suspend_parallel; if (nb_processes < par_window){ par_sched_round++; xbt_os_walltimer_start(round_time); smx_ctx_raw_runall_parallel(); xbt_os_walltimer_stop(round_time); par_time += xbt_os_timer_elapsed(round_time); prev_avg_par_proc = avg_par_proc; delta = nb_processes - avg_par_proc; avg_par_proc = (par_sched_round==1) ? nb_processes : avg_par_proc + delta / (double) par_sched_round; if(par_sched_round>=2){ s_par_proc = s_par_proc + (nb_processes - prev_avg_par_proc) * delta; sd_par_proc = sqrt(s_par_proc / (par_sched_round-1)); par_window = (int) (avg_par_proc + sd_par_proc); }else{ sd_par_proc = 0; } par_proc_that_ran += nb_processes; } else{ smx_ctx_raw_runall_parallel(); } } else { simix_global->context_factory->suspend = smx_ctx_raw_suspend_serial; if(nb_processes > seq_window){ seq_sched_round++; xbt_os_walltimer_start(round_time); smx_ctx_raw_runall_serial(); xbt_os_walltimer_stop(round_time); seq_time += xbt_os_timer_elapsed(round_time); prev_avg_seq_proc = avg_seq_proc; delta = (nb_processes-avg_seq_proc); avg_seq_proc = (seq_sched_round==1) ? nb_processes : avg_seq_proc + delta / (double) seq_sched_round; if(seq_sched_round>=2){ s_seq_proc = s_seq_proc + (nb_processes - prev_avg_seq_proc)*delta; sd_seq_proc = sqrt(s_seq_proc / (seq_sched_round-1)); seq_window = (int) (avg_seq_proc - sd_seq_proc); } else { sd_seq_proc = 0; } seq_proc_that_ran += nb_processes; } else { smx_ctx_raw_runall_serial(); } } }