X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2f2f00652fd75c462b2cb832358e7b66c72c8e07..35594b27f1c910fdd39cd44dc5da5c41ae95926c:/src/smpi/smpi_bench.c

diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index 8f43a5828d..295f8ceac4 100644
--- a/src/smpi/smpi_bench.c
+++ b/src/smpi/smpi_bench.c
@@ -1,81 +1,99 @@
-#include <stdio.h>
 #include "private.h"
 
-// FIXME: could cause trouble with multithreaded procs on same host...
-// FIXME: add benchmarking flag?
-
-void smpi_bench_begin()
-{
-	SIMIX_mutex_lock(smpi_global->timer_mutex);
-
-	xbt_os_timer_start(smpi_global->timer);
-
-	return;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi,
+                                "Logging specific to SMPI (benchmarking)");
+
+static 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 >= xbt_cfg_get_double(_surf_cfg_set, "smpi/cpu_threshold")) {
+    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, "smpi/running_power");
+    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);
+  }
 }
 
-double smpi_bench_end()
-{
-	double duration;
-	smx_host_t host;
-	smx_action_t action;
-
-	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);
-
-	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);
-	SIMIX_action_destroy(action);
-
-	SIMIX_mutex_unlock(smpi_global->timer_mutex);
-
-	return duration;
+void smpi_bench_begin(int rank, const char* mpi_call) {
+  if(mpi_call && rank >= 0 && xbt_cfg_get_int(_surf_cfg_set, "smpi/log_events")) {
+    INFO3("SMPE: ts=%f rank=%d type=end et=%s", SIMIX_get_clock(), rank, mpi_call);
+  }
+  xbt_os_timer_start(smpi_process_timer());
 }
 
-void smpi_bench_skip() {
-	smx_host_t host;
-	smx_action_t action;
-	double duration = smpi_global->times[0];
-
-	SIMIX_mutex_lock(smpi_global->timer_mutex);
-
-	host   = SIMIX_host_self();
-	action = SIMIX_action_execute(host, "computation", duration * SMPI_DEFAULT_SPEED);
-
-	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);
-	SIMIX_action_destroy(action);
+void smpi_bench_end(int rank, const char* mpi_call) {
+  xbt_os_timer_t timer = smpi_process_timer();
 
-	SIMIX_mutex_unlock(smpi_global->timer_mutex);
-
-	return;
+  xbt_os_timer_stop(timer);
+  smpi_execute(xbt_os_timer_elapsed(timer));
+  if(mpi_call && rank >= 0 && xbt_cfg_get_int(_surf_cfg_set, "smpi/log_events")) {
+    INFO3("SMPE: ts=%f rank=%d type=begin et=%s", SIMIX_get_clock(), rank, mpi_call);
+  }
 }
 
-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;
+/*
+TODO
+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->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;
 }
 
-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;
+int smpi_do_once_2()
+{
+  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 0;
 }
 
-void smpi_do_once_3() {
-	smpi_global->times[0] = smpi_bench_end();
-	return;
+void smpi_do_once_3()
+{
+  *(smpi_global->do_once_duration) = smpi_stop_timer();
 }
+*/