Thermal simulation can be enabled via environment variable.

mkdir build
cd build
export THERMALSIM=true
qmake ../DRAMSys/dram.vp.system.pro
make [-j16]

Pending:
- README file update

DRAMSys/dram.vp.system.pro

@@ -1,8 +1,17 @@
 TEMPLATE = subdirs
 
-SUBDIRS = simulator/src/common/third_party/icewrapper/3D-ICE-SystemC-Client.pro
+thermalsim = $$(THERMALSIM)
+$$eval(thermalsim) {
+    message(Thermal Simulation Feature Enabled)
+
+    # build the project sequentially as listed in SUBDIRS
+    CONFIG += ordered
+
+    SUBDIRS += simulator/src/common/third_party/icewrapper/3D-ICE-SystemC-Client.pro
+} else {
+    message(Thermal Simulation Feature Disabled)
+}
+
 SUBDIRS += simulator/simulator.pro
 SUBDIRS += analyzer/traceAnalyzer.pro
 
-# build the project sequentially as listed in SUBDIRS
-CONFIG += ordered

DRAMSys/simulator/simulator.pro

@@ -134,15 +134,28 @@ HEADERS += \
     src/controller/core/configuration/ConfigurationLoader.h \
     src/error/errormodel.h
 
+thermalsim = $$(THERMALSIM)
+$$eval(thermalsim) {
+    message(Thermal Simulation Feature Enabled)
 
-LIBS += -L/opt/3D-ICE/lib -lthreed-ice-2.2.5
-LIBS += -L/opt/SuperLU_4.3/lib -lsuperlu_4.3
-LIBS += -lblas
+    LIBS += -L/opt/3D-ICE/lib -lthreed-ice-2.2.5
+    LIBS += -L/opt/SuperLU_4.3/lib -lsuperlu_4.3
+    LIBS += -lblas
+    message(Libraries: $${LIBS})
 
-INCLUDEPATH += /opt/3D-ICE/include
-INCLUDEPATH += /opt/SuperLU_4.3/SRC
-INCLUDEPATH += /opt/systemc/include
-INCLUDEPATH += src/common/third_party/icewrapper
+    INCLUDEPATH += /opt/3D-ICE/include
+    INCLUDEPATH += /opt/SuperLU_4.3/SRC
+    INCLUDEPATH += /opt/systemc/include
+    INCLUDEPATH += src/common/third_party/icewrapper
+    message(Include paths: $${INCLUDEPATH})
 
-OBJECTS += $$(PWD)/src/common/third_party/icewrapper/IceWrapper.o
+    OBJECTS += $$(PWD)/src/common/third_party/icewrapper/IceWrapper.o
+    message(Objects: $${OBJECTS})
+
+    QMAKE_CXXFLAGS += -DTHERMALSIM
+    message(Compiler flags: $${QMAKE_CXXFLAGS})
+
+} else {
+    message(Thermal Simulation Feature Disabled)
+}
 

DRAMSys/simulator/src/simulation/TemperatureController.cpp

@@ -43,8 +43,7 @@ double TemperatureController::temperatureConvert(double tKelvin)
 {
     if (temperatureScale == "Celsius") {
         return tKelvin - 273.15;
-    }
-    else if (temperatureScale == "Fahrenheit") {
+    } else if (temperatureScale == "Fahrenheit") {
         return (tKelvin - 273.15) * 1.8 + 32;
     }
 
@@ -70,12 +69,14 @@ double TemperatureController::getTemperature(int deviceId, float currentPower)
 
 void TemperatureController::updateTemperatures()
 {
+#ifdef THERMALSIM
     thermalSimulation->sendPowerValues(&currentPowerValues);
     thermalSimulation->simulate();
     thermalSimulation->getTemperature(temperaturesBuffer, TDICE_OUTPUT_INSTANT_SLOT, TDICE_OUTPUT_TYPE_TCELL, TDICE_OUTPUT_QUANTITY_NONE);
-    // save values just obtained for posterior use
+#endif
+    // Save values just obtained for posterior use
     temperatureValues = temperaturesBuffer;
-    // clear the buffer, otherwise it will grow every request
+    // Clear the buffer, otherwise it will grow every request
     temperaturesBuffer.clear();
 }
 
@@ -86,7 +87,7 @@ double TemperatureController::adjustThermalSimPeriod()
     // 1. Adjustment is requierd when:
     //
     // 1.1. The power dissipation of one or more devices change considerably
-    // (reaches the configured threshold for that device in any direction,
+    // (exceeds the configured threshold for that device in any direction,
     // i.e. increases or decreases substantially) during the current
     // simulaiton period.
     //
@@ -101,9 +102,10 @@ double TemperatureController::adjustThermalSimPeriod()
     // 1.2. The current simulation period differs from the target period
     // defined in the configuration by the user.
     //
-    // 1.2.1 The situation period will be kept for a number of simulation
-    // executions 'ne' and after 'ne' the period will be increased again in
-    // steps of 'n/2' until it achieves the desired value given by
+    // 1.2.1 Provided a scenario in which power dissipation changes do not
+    // exceed the thresholds, the situation period will be kept for a number
+    // of simulation cycles 'nc' and after 'nc' the period will be increased
+    // again in steps of 'n/2' until it achieves the desired value given by
     // configuration or the described in 1.1 occurs.
 
     bool decreaseSimPeriod = false;
@@ -126,9 +128,9 @@ double TemperatureController::adjustThermalSimPeriod()
             if (cyclesSinceLastPeriodAdjust >= nPowStableCyclesToIncreasePeriod) {
                 cyclesSinceLastPeriodAdjust = 0;
                 period = period * (periodAdjustFactor / 2);
-                printDebugMessage("Thermal Simulation period increased to " + std::to_string(period) + ". Target is " + std::to_string(targetPeriod));
                 if (period > targetPeriod)
                     period = targetPeriod;
+                printDebugMessage("Thermal Simulation period increased to " + std::to_string(period) + ". Target is " + std::to_string(targetPeriod));
             }
         }
     }

DRAMSys/simulator/src/simulation/TemperatureController.h

@@ -44,7 +44,10 @@
 #include "../common/DebugManager.h"
 #include "../common/Utils.h"
 #include "../controller/core/configuration/Configuration.h"
+
+#ifdef THERMALSIM
 #include "IceWrapper.h"
+#endif
 
 SC_MODULE(TemperatureController) {
 public:
@@ -61,13 +64,15 @@ public:
         dynamicTempSimEnabled = Configuration::getInstance().DynamicTemperatureSimulation;
 
         if (dynamicTempSimEnabled == true) {
+#ifdef THERMALSIM
             // Connect to the server
             std::string ip = Configuration::getInstance().temperatureSim.IceServerIp;
             unsigned int port = Configuration::getInstance().temperatureSim.IceServerPort;
             thermalSimulation = new IceWrapper(ip, port);
-
             printDebugMessage("Dynamic temperature simulation. Server @ " + ip + ":" + std::to_string(port));
-
+#else
+            SC_REPORT_FATAL(name(), "Temperature Simulation Disabled");
+#endif
             // Initial power dissipation values (got from config)
             currentPowerValues = Configuration::getInstance().temperatureSim.powerInitialValues;
             lastPowerValues = currentPowerValues;
@@ -83,7 +88,6 @@ public:
             period = targetPeriod;
             t_unit = Configuration::getInstance().temperatureSim.DynTemperatureSimUnit;
             SC_THREAD(temperatureThread);
-
         } else {
             staticTemperature = Configuration::getInstance().temperatureSim.StaticTemperatureDefaultValue;
             printDebugMessage("Static temperature simulation. Temperature set to " + std::to_string(staticTemperature));
@@ -100,7 +104,9 @@ private:
 
     bool dynamicTempSimEnabled;
 
+#ifdef THERMALSIM
     IceWrapper *thermalSimulation;
+#endif
     std::vector<float> temperaturesBuffer;
     std::vector<float> temperatureValues;