/** @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();
}
}
}
