gem5/ext/dsent/model/optical/RingModulator.h
Nilay Vaish e8ed7b1d1b ext: add the source code for DSENT
This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.
2014-10-11 15:02:23 -05:00

55 lines
1.9 KiB
C++

#ifndef __DSENT_MODEL_OPTICAL_RINGMODULATOR_H__
#define __DSENT_MODEL_OPTICAL_RINGMODULATOR_H__
#include "util/CommonType.h"
#include "model/OpticalModel.h"
#include "model/optical_graph/OpticalTransmitter.h"
namespace DSENT
{
class RingModulator : public OpticalModel, public OpticalTransmitter
{
public:
RingModulator(const String& instance_name_, const TechModel* tech_model_);
virtual ~RingModulator();
public:
// Set a list of properties' name needed to construct model
void initParameters();
// Set a list of properties' name needed to construct model
void initProperties();
// Set the transmitter specifications, returns whether it is possible
// to build a modulator that met those specs
bool setTransmitterSpec(double IL_dB_, double ER_dB_);
// Returns power of the transmitter at a given utilization
double getPower(double util_) const;
private:
// Precompute values based on tech parameters
void precomputeTech();
// Design ring modulator driver
bool designModulator(double IL_dB_, double ER_dB_);
// Calculate modulator energy
double calcModulatorEnergy() const;
protected:
// Build the model
virtual void constructModel();
virtual void updateModel();
virtual void useModel();
virtual void propagateTransitionInfo();
private:
// Some precomputed tech values
double m_precompute_V_bi_;
double m_precompute_x_d0_;
double m_precompute_C_j0_;
double m_precompute_Q_0_;
}; // class RingModulator
} // namespace DSENT
#endif // __DSENT_MODEL_OPTICAL_RINGMODULATOR_H__