variable renaming to try to understand this code

[simgrid.git] / src / smpi / smpi_bench.c

diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index 8c80d79..a985d30 100644 (file)
--- a/src/smpi/smpi_bench.c
+++ b/src/smpi/smpi_bench.c
@@ -116,7 +116,7 @@ typedef struct {
   double relstderr;
   int iters;
   double threshold;
-  int started;
+  int running;
 } local_data_t;
 
 void smpi_bench_destroy(void)
@@ -149,8 +149,8 @@ static void smpi_execute(double duration)
                        xbt_cfg_get_double(_surf_cfg_set,
                                           "smpi/running_power"));
   } else {
-         XBT_DEBUG("Real computation took %f while threshold is set to %f; ignore it",
-                         duration, xbt_cfg_get_double(_surf_cfg_set, "smpi/cpu_threshold"));
+    XBT_DEBUG("Real computation took %f while threshold is set to %f; ignore it",
+        duration, xbt_cfg_get_double(_surf_cfg_set, "smpi/cpu_threshold"));
   }
 }
 
@@ -189,6 +189,26 @@ int smpi_gettimeofday(struct timeval *tv, struct timezone *tz)
   return 0;
 }
 
+extern double sg_maxmin_precision;
+unsigned long long smpi_rastro_resolution (void)
+{
+  smpi_bench_end();
+  double resolution = (1/sg_maxmin_precision);
+  smpi_bench_begin();
+  return (unsigned long long)resolution;
+}
+
+unsigned long long smpi_rastro_timestamp (void)
+{
+  smpi_bench_end();
+  double now = SIMIX_get_clock();
+
+  unsigned long long sec = (unsigned long long)now;
+  unsigned long long pre = (now - sec) * smpi_rastro_resolution();
+  smpi_bench_begin();
+  return (unsigned long long)sec * smpi_rastro_resolution() + pre;
+}
+
 static char *sample_location(int global, const char *file, int line)
 {
   if (global) {
@@ -215,7 +235,7 @@ int smpi_sample_1(int global, const char *file, int line, int iters, double thre
     data->sum_pow2 = 0.0;
     data->iters = iters;
     data->threshold = threshold;
-    data->started = 0;
+    data->running = 0;
     xbt_dict_set(samples, loc, data, NULL);
     return 0;
   }
@@ -228,27 +248,27 @@ int smpi_sample_2(int global, const char *file, int line)
   char *loc = sample_location(global, file, line);
   local_data_t *data;
 
-  xbt_assert(samples, "You did something very inconsistent, didn't you?");
+  xbt_assert(samples, "Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
   data = xbt_dict_get_or_null(samples, loc);
   if (!data) {
     xbt_assert(data, "Please, do thing in order");
   }
-  if (!data->started) {
+  if (!data->running) {
     if ((data->iters > 0 && data->count >= data->iters)
         || (data->count > 1 && data->threshold > 0.0 && data->relstderr <= data->threshold)) {
       XBT_DEBUG("Perform some wait of %f", data->mean);
       smpi_execute(data->mean);
     } else {
-      data->started = 1;
+      data->running = 1;
       data->count++;
     }
   } else {
-    data->started = 0;
+    data->running = 0;
   }
   free(loc);
   smpi_bench_begin();
   smpi_process_simulated_start();
-  return data->started;
+  return data->running;
 }
 
 void smpi_sample_3(int global, const char *file, int line)
@@ -257,10 +277,10 @@ void smpi_sample_3(int global, const char *file, int line)
   local_data_t *data;
   double sample, n;
 
-  xbt_assert(samples, "You did something very inconsistent, didn't you?");
+  xbt_assert(samples, "Y U NO use SMPI_SAMPLE_* macros? Stop messing directly with smpi_sample_* functions!");
   data = xbt_dict_get_or_null(samples, loc);
   smpi_bench_end();
-  if(data && data->started && data->count < data->iters) {
+  if(data && data->running && data->count < data->iters) {
     sample = smpi_process_simulated_elapsed();
     data->sum += sample;
     data->sum_pow2 += sample * sample;