#include "private.h"
+#include <string.h>
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi, "Logging specific to SMPI (benchmarking)");
void smpi_execute(double duration) {
smx_host_t host = SIMIX_host_self();
+ smx_mutex_t mutex = smpi_host_mutex();
+ smx_cond_t cond = smpi_host_cond();
smx_action_t action;
+ e_surf_action_state_t state;
- SIMIX_mutex_lock(smpi_global->execute_mutex);
+ SIMIX_mutex_lock(mutex);
- action = SIMIX_action_execute(host, "computation", duration * SMPI_DEFAULT_SPEED);
+ action = SIMIX_action_execute(host, "execute", duration * SMPI_DEFAULT_SPEED);
- SIMIX_register_action_to_condition(action, smpi_global->execute_cond);
- SIMIX_cond_wait(smpi_global->execute_cond, smpi_global->execute_mutex);
- SIMIX_unregister_action_to_condition(action, smpi_global->execute_cond);
+ SIMIX_register_action_to_condition(action, cond);
+ for (
+ state = SIMIX_action_get_state(action);
+ state == SURF_ACTION_READY ||
+ state == SURF_ACTION_RUNNING;
+ state = SIMIX_action_get_state(action)
+ ) {
+ SIMIX_cond_wait(cond, mutex);
+ }
+ SIMIX_unregister_action_to_condition(action, cond);
SIMIX_action_destroy(action);
- SIMIX_mutex_unlock(smpi_global->execute_mutex);
+ SIMIX_mutex_unlock(mutex);
return;
}
-void smpi_bench_begin()
+void smpi_start_timer()
{
SIMIX_mutex_lock(smpi_global->timer_mutex);
xbt_os_timer_start(smpi_global->timer);
- return;
}
-double smpi_bench_end()
+double smpi_stop_timer()
{
double duration;
-
xbt_os_timer_stop(smpi_global->timer);
-
duration = xbt_os_timer_elapsed(smpi_global->timer);
-
SIMIX_mutex_unlock(smpi_global->timer_mutex);
-
- smpi_execute(duration);
-
return duration;
}
+void smpi_bench_begin()
+{
+ smpi_start_timer();
+}
-void smpi_bench_skip() {
- double duration = smpi_global->times[0];
- smpi_execute(duration);
- return;
+void smpi_bench_end()
+{
+ smpi_execute(smpi_stop_timer());
}
-void smpi_do_once_1() {
+void smpi_do_once_1(const char *file, int line) {
+ smpi_do_once_duration_node_t curr, prev;
smpi_bench_end();
- SIMIX_mutex_lock(smpi_global->times_mutex);
- if (0 < smpi_global->times[0]) {
- smpi_bench_skip();
+ SIMIX_mutex_lock(smpi_global->do_once_mutex);
+ prev = NULL;
+ for(curr = smpi_global->do_once_duration_nodes;
+ NULL != curr && (strcmp(curr->file, file) || curr->line != line);
+ curr = curr->next) {
+ prev = curr;
}
- return;
+ if (NULL == curr) {
+ curr = xbt_new(s_smpi_do_once_duration_node_t, 1);
+ curr->file = xbt_strdup(file);
+ curr->line = line;
+ curr->duration = -1;
+ curr->next = NULL;
+ if (NULL == prev) {
+ smpi_global->do_once_duration_nodes = curr;
+ } else {
+ prev->next = curr;
+ }
+ }
+ smpi_global->do_once_duration = &curr->duration;
}
int smpi_do_once_2() {
- int retval = 1;
- if (0 < smpi_global->times[0]) {
- SIMIX_mutex_unlock(smpi_global->times_mutex);
- retval = 0;
+ double duration = *(smpi_global->do_once_duration);
+ if (0 > duration) {
+ smpi_start_timer();
+ return 1;
}
+ SIMIX_mutex_unlock(smpi_global->do_once_mutex);
+ smpi_execute(duration);
smpi_bench_begin();
- return retval;
+ return 0;
}
void smpi_do_once_3() {
- smpi_global->times[0] = smpi_bench_end();
- return;
+ *(smpi_global->do_once_duration) = smpi_stop_timer();
}