Changeset 766 for branches/reconfiguration/platforms/tsar_generic_iob/top.cpp

Timestamp:

Aug 13, 2014, 4:34:50 PM (10 years ago)

Author:

cfuguet

Message:

reconfiguration: tsar_generic_iob sc_start() calls optimization

• sc_start() continue during 'simul_period' cycles

• 'simul_period' is defined as the debug_period if debug activated or 'stats_period' otherwise

File:

• branches/reconfiguration/platforms/tsar_generic_iob/top.cpp (modified) (2 diffs)

branches/reconfiguration/platforms/tsar_generic_iob/top.cpp

@@ -1397 +1397 @@
    // simulation loop
    struct timeval t1,t2;
-   const size_t stats_period = 100000; // cycles
-
-   if (ncycles == UINT_MAX)
-   {
-      int n = 0;
-      while(1)
-      {
-         gettimeofday(&t1, NULL);
-         sc_start(sc_core::sc_time(stats_period, SC_NS));
-         gettimeofday(&t2, NULL);
-
-         n += stats_period;
-
-         uint64_t ms1 = (uint64_t) t1.tv_sec  * 1000ULL +
-            (uint64_t) t1.tv_usec / 1000;
-         uint64_t ms2 = (uint64_t) t2.tv_sec  * 1000ULL +
-            (uint64_t) t2.tv_usec / 1000;
-         std::cerr << "### cycle = " << n
-            << " / frequency = "
-            << (double) stats_period / (double) (ms2 - ms1) << "Khz"
-            << std::endl;
-      }
-
-      return EXIT_SUCCESS;
-   }
-
-   gettimeofday(&t1, NULL);
-   for (size_t n = 1; n < ncycles; n++)
+
+   // cycles between stats
+   const size_t stats_period = 100000;
+   const size_t simul_period = debug_ok ? debug_period : stats_period;
+
+   for (size_t n = 0; n < ncycles; n += simul_period)
    {
       // stats display
-      if( (n % stats_period) == 0)
+      if((n % stats_period) == 0)
       {
-         gettimeofday(&t2, NULL);
-
-         uint64_t ms1 = (uint64_t) t1.tv_sec  * 1000ULL +
-            (uint64_t) t1.tv_usec / 1000;
-         uint64_t ms2 = (uint64_t) t2.tv_sec  * 1000ULL +
-            (uint64_t) t2.tv_usec / 1000;
-         std::cerr << "### cycle = " << n
-            << " / frequency = "
-            << (double) stats_period / (double) (ms2 - ms1) << "Khz"
-            << std::endl;
+         if (n > 0)
+         {
+            gettimeofday(&t2, NULL);
+
+            uint64_t ms1 = (uint64_t) t1.tv_sec  * 1000ULL +
+               (uint64_t) t1.tv_usec / 1000;
+            uint64_t ms2 = (uint64_t) t2.tv_sec  * 1000ULL +
+               (uint64_t) t2.tv_usec / 1000;
+            std::cerr << "### cycle = " << n << " / frequency (Khz) = "
+               << (double) stats_period / (double) (ms2 - ms1) << std::endl;
+         }
 
          gettimeofday(&t1, NULL);
@@ -1565 +1544 @@
       }
 
-      sc_start(sc_core::sc_time(1, SC_NS));
+      sc_start(sc_core::sc_time(simul_period, SC_NS));
    }
    return EXIT_SUCCESS;