static xbt_os_thread_key_t raw_worker_id_key; /* thread-specific storage for the thread id */
#endif
+#ifdef ADAPTIVE_THRESHOLD
+#define SCHED_ROUND_LIMIT 5
+xbt_os_timer_t round_time;
+double par_time,seq_time;
+double par_ratio,seq_ratio;
+static unsigned int par_proc_that_ran = 0,seq_proc_that_ran = 0; /* Counters of processes that have run in SCHED_ROUND_LIMIT scheduling rounds */
+static unsigned int seq_sched_round, par_sched_round; /* Amount of SR that ran serial/parallel*/
+#endif
+
static unsigned long raw_process_index = 0; /* index of the next process to run in the
* list of runnable processes */
static smx_ctx_raw_t raw_maestro_context;
static char new_sr = 0;
#endif
+#ifdef TIME_BENCH_ENTIRE_SRS
+static unsigned int sr_count = 0;
+static xbt_os_timer_t timer;
+#endif
+
+#ifdef ADAPTIVE_THRESHOLD
+int reached_seq_limit, reached_par_limit;
+#endif
+
static void smx_ctx_raw_wrapper(smx_ctx_raw_t context);
static int smx_ctx_raw_factory_finalize(smx_context_factory_t *factory);
static smx_context_t smx_ctx_raw_create_context(xbt_main_func_t code, int argc,
(*factory)->runall = smx_ctx_raw_runall_serial;
(*factory)->suspend = smx_ctx_raw_suspend_serial;
}
+#ifdef TIME_BENCH_ENTIRE_SRS
+ (*factory)->runall = smx_ctx_raw_runall;
+ (*factory)->suspend = NULL;
+ timer = xbt_os_timer_new();
+#endif
+
+#ifdef ADAPTIVE_THRESHOLD
+ round_time = xbt_os_timer_new();
+ reached_seq_limit = 0;
+ reached_par_limit = 0;
+#endif
+
#ifdef TIME_BENCH_PER_SR
timer = xbt_os_timer_new();
#endif
}
for(i=0; i < NUM_THREADS; i++){
- XBT_VERB("Time SR thread %u = %f (max %f)", i, time_thread_sr[i], tmax);
+ XBT_CRITICAL("Time SR thread %u = %f (max %f)", i, time_thread_sr[i], tmax);
time_wasted_sr += tmax - time_thread_sr[i];
}
- XBT_VERB("Total time SR %u = %f, %d", sr_count, tmax, xbt_dynar_length(simix_global->process_that_ran));
- XBT_VERB("New scheduling round");
+ XBT_CRITICAL("Total time SR %u = %f, %d", sr_count, tmax, xbt_dynar_length(simix_global->process_that_ran));
+ XBT_CRITICAL("New scheduling round");
}
#else
/**
/**
* \brief Resumes all processes ready to run.
*/
+#ifdef ADAPTIVE_THRESHOLD
static void smx_ctx_raw_runall(void)
{
unsigned long nb_processes = xbt_dynar_length(simix_global->process_to_run);
+ reached_seq_limit = (seq_sched_round % SCHED_ROUND_LIMIT == 0);
+ reached_par_limit = (par_sched_round % SCHED_ROUND_LIMIT == 0);
+
+ if(reached_par_limit){
+ par_sched_round = 0;
+ par_ratio = (par_proc_that_ran != 0) ? (par_time / (double)par_proc_that_ran) : 0;
+ par_time = 0; par_proc_that_ran = 0;
+ }
+
+ if(reached_seq_limit){
+ seq_sched_round = 0;
+ seq_ratio = (seq_proc_that_ran != 0) ? (seq_time / (double)seq_proc_that_ran) : 0;
+ seq_time = 0; seq_proc_that_ran = 0;
+ }
+
+ if(reached_seq_limit && reached_par_limit){
+ if(seq_ratio > par_ratio){
+ SIMIX_context_set_parallel_threshold(SIMIX_context_get_parallel_threshold() - 1);
+ } else {
+ SIMIX_context_set_parallel_threshold(SIMIX_context_get_parallel_threshold() + 1);
+ }
+ }
+
+ XBT_CRITICAL("Adaptive Algorithm. Parallel Threshold is: %d. Processes: %d", SIMIX_context_get_parallel_threshold(), nb_processes);
if (nb_processes >= SIMIX_context_get_parallel_threshold()) {
XBT_DEBUG("Runall // %lu", nb_processes);
simix_global->context_factory->suspend = smx_ctx_raw_suspend_parallel;
+ xbt_os_cputimer_start(round_time);
smx_ctx_raw_runall_parallel();
+ xbt_os_cputimer_stop(round_time);
+ par_time += xbt_os_timer_elapsed(round_time);
+ par_proc_that_ran += nb_processes;
+ par_sched_round++;
} else {
XBT_DEBUG("Runall serial %lu", nb_processes);
simix_global->context_factory->suspend = smx_ctx_raw_suspend_serial;
- #ifdef TIME_BENCH_PER_SR
+ xbt_os_cputimer_start(round_time);
+#ifdef TIME_BENCH_PER_SR
smx_ctx_raw_runall_serial(simix_global->process_to_run);
- #else
+#else
smx_ctx_raw_runall_serial();
- #endif
+#endif
+ xbt_os_cputimer_stop(round_time);
+ seq_time += xbt_os_timer_elapsed(round_time);
+ seq_proc_that_ran += nb_processes;
+ seq_sched_round++;
}
}
+
+#else
+
+static void smx_ctx_raw_runall(void)
+{
+#ifdef TIME_BENCH_ENTIRE_SRS
+ sr_count++;
+ timer = xbt_os_timer_new();
+ double elapsed = 0;
+#endif
+ unsigned long nb_processes = xbt_dynar_length(simix_global->process_to_run);
+ if (SIMIX_context_is_parallel() && SIMIX_context_get_parallel_threshold()<nb_processes) {
+ XBT_DEBUG("Runall // %lu", nb_processes);
+ simix_global->context_factory->suspend = smx_ctx_raw_suspend_parallel;
+
+ #ifdef TIME_BENCH_ENTIRE_SRS
+ xbt_os_cputimer_start(timer);
+ #endif
+
+ smx_ctx_raw_runall_parallel();
+
+ #ifdef TIME_BENCH_ENTIRE_SRS
+ xbt_os_cputimer_stop(timer);
+ elapsed = xbt_os_timer_elapsed(timer);
+ #endif
+ } else {
+ XBT_DEBUG("Runall serial %lu", nb_processes);
+ simix_global->context_factory->suspend = smx_ctx_raw_suspend_serial;
+
+ #ifdef TIME_BENCH_PER_SR
+ smx_ctx_raw_runall_serial(simix_global->process_to_run);
+ #else
+
+ #ifdef TIME_BENCH_ENTIRE_SRS
+ xbt_os_cputimer_start(timer);
+ #endif
+
+ smx_ctx_raw_runall_serial();
+
+ #ifdef TIME_BENCH_ENTIRE_SRS
+ xbt_os_cputimer_stop(timer);
+ elapsed = xbt_os_timer_elapsed(timer);
+ #endif
+ #endif
+ }
+
+#ifdef TIME_BENCH_ENTIRE_SRS
+ XBT_CRITICAL("Total time SR %u = %f, %d", sr_count, elapsed, nb_processes);
+#endif
+}
+#endif