#include "private.h"
-// FIXME: could cause trouble with multithreaded procs on same host...
-void smpi_bench_begin()
-{
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
+void smpi_execute(double duration) {
+ smx_host_t host = SIMIX_host_self();
+ smx_action_t action;
+
+ SIMIX_mutex_lock(smpi_global->execute_mutex);
- SIMIX_mutex_lock(smpi_global->timers_mutexes[rank]);
+ action = SIMIX_action_execute(host, "computation", duration * SMPI_DEFAULT_SPEED);
- xbt_os_timer_start(smpi_global->timers[rank]);
+ 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_action_destroy(action);
+ SIMIX_mutex_unlock(smpi_global->execute_mutex);
+
+ return;
+}
+
+void smpi_bench_begin()
+{
+ SIMIX_mutex_lock(smpi_global->timer_mutex);
+ xbt_os_timer_start(smpi_global->timer);
return;
}
-void smpi_bench_end()
+double smpi_bench_end()
{
- int rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
double duration;
- smx_host_t host;
- char compute[] = "compute";
- smx_action_t action;
- smx_mutex_t mutex;
- smx_cond_t cond;
- xbt_os_timer_stop(smpi_global->timers[rank]);
+ xbt_os_timer_stop(smpi_global->timer);
- duration = xbt_os_timer_elapsed(smpi_global->timers[rank]);
+ duration = xbt_os_timer_elapsed(smpi_global->timer);
- SIMIX_mutex_unlock(smpi_global->timers_mutexes[rank]);
+ SIMIX_mutex_unlock(smpi_global->timer_mutex);
- host = smpi_mpi_global->mpi_comm_world->hosts[rank];
- action = SIMIX_action_execute(host, compute, duration * SMPI_DEFAULT_SPEED);
- mutex = SIMIX_mutex_init();
- cond = SIMIX_cond_init();
+ smpi_execute(duration);
- SIMIX_mutex_lock(mutex);
- SIMIX_register_action_to_condition(action, cond);
- SIMIX_cond_wait(cond, mutex);
- SIMIX_unregister_action_to_condition(action, cond);
- SIMIX_mutex_unlock(mutex);
+ return duration;
+}
+
+
+void smpi_bench_skip() {
+ double duration = smpi_global->times[0];
+ smpi_execute(duration);
+ return;
+}
- SIMIX_mutex_destroy(mutex);
- SIMIX_cond_destroy(cond);
- SIMIX_action_destroy(action);
+void smpi_do_once_1() {
+ smpi_bench_end();
+ SIMIX_mutex_lock(smpi_global->times_mutex);
+ if (0 < smpi_global->times[0]) {
+ smpi_bench_skip();
+ }
+ return;
+}
- // FIXME: check for success/failure?
+int smpi_do_once_2() {
+ int retval = 1;
+ if (0 < smpi_global->times[0]) {
+ SIMIX_mutex_unlock(smpi_global->times_mutex);
+ retval = 0;
+ }
+ smpi_bench_begin();
+ return retval;
+}
+void smpi_do_once_3() {
+ smpi_global->times[0] = smpi_bench_end();
return;
}