X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/25d0f572e51dd9830c815a99157176ee9df751e5..aec4a150a2f7c9a328729b08d727ddf41817d941:/src/smpi/smpi_bench.c

diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index a301b69efc..31dbd250d5 100644
--- a/src/smpi/smpi_bench.c
+++ b/src/smpi/smpi_bench.c
@@ -1,31 +1,97 @@
 #include "private.h"
+#include <string.h>
 
-// FIXME: could cause trouble with multithreaded procs on same host...
-// FIXME: add benchmarking flag?
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi,
+                                "Logging specific to SMPI (benchmarking)");
+
+void smpi_execute(double duration)
+{
+  smx_host_t host;
+  smx_action_t action;
+  smx_mutex_t mutex;
+  smx_cond_t cond;
+  e_surf_action_state_t state;
+
+  if(duration > 0.001) {
+    host = SIMIX_host_self();
+    mutex = SIMIX_mutex_init();
+    cond = SIMIX_cond_init();
+    DEBUG1("Sleep for %f to handle real computation time", duration);
+    duration *= xbt_cfg_get_double(_surf_cfg_set, "reference_speed");
+    action = SIMIX_action_execute(host, "computation", duration);
+    SIMIX_mutex_lock(mutex);
+    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_mutex_unlock(mutex);
+    SIMIX_action_destroy(action);
+    SIMIX_cond_destroy(cond);
+    SIMIX_mutex_destroy(mutex);
+  }
+}
 
 void smpi_bench_begin()
 {
-	SIMIX_mutex_lock(smpi_global->timer_mutex);
-	xbt_os_timer_start(smpi_global->timer);
-	return;
+  xbt_os_timer_start(smpi_process_timer());
 }
 
 void smpi_bench_end()
 {
-	double duration;
-	smx_host_t host;
-	smx_action_t action;
+  xbt_os_timer_t timer = smpi_process_timer();
+
+  xbt_os_timer_stop(timer);
+  smpi_execute(xbt_os_timer_elapsed(timer));
+}
+
+/*
+TODO
+void smpi_do_once_1(const char *file, int line)
+{
+  smpi_do_once_duration_node_t curr, prev;
 
-	xbt_os_timer_stop(smpi_global->timer);
-	duration = xbt_os_timer_elapsed(smpi_global->timer);
-	host     = SIMIX_host_self();
-	action   = SIMIX_action_execute(host, "computation", duration * SMPI_DEFAULT_SPEED);
+  smpi_bench_end();
+  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;
+  }
+  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;
+}
 
-	SIMIX_register_action_to_condition(action, smpi_global->timer_cond);
-	SIMIX_cond_wait(smpi_global->timer_cond, smpi_global->timer_mutex);
-	SIMIX_unregister_action_to_condition(action, smpi_global->timer_cond);
+int smpi_do_once_2()
+{
+  double duration = *(smpi_global->do_once_duration);
 
-	SIMIX_mutex_unlock(smpi_global->timer_mutex);
+  if(0 > duration) {
+    smpi_start_timer();
+    return 1;
+  }
+  SIMIX_mutex_unlock(smpi_global->do_once_mutex);
+  smpi_execute(duration);
+  smpi_bench_begin();
+  return 0;
+}
 
-	return;
+void smpi_do_once_3()
+{
+  *(smpi_global->do_once_duration) = smpi_stop_timer();
 }
+*/