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author | Nilay Vaish <nilay@cs.wisc.edu> | 2014-10-11 15:02:23 -0500 |
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committer | Nilay Vaish <nilay@cs.wisc.edu> | 2014-10-11 15:02:23 -0500 |
commit | e8ed7b1d1b5bef31e9874f679a5797c2e00d06f1 (patch) | |
tree | 421c9c50377aa664958685914f5504c4c019e21f /ext/dsent/model/optical/RingModulator.h | |
parent | a098fad174d8559037602b248b8e6f7f46bfebbb (diff) | |
download | gem5-e8ed7b1d1b5bef31e9874f679a5797c2e00d06f1.tar.xz |
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.
Diffstat (limited to 'ext/dsent/model/optical/RingModulator.h')
-rw-r--r-- | ext/dsent/model/optical/RingModulator.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/ext/dsent/model/optical/RingModulator.h b/ext/dsent/model/optical/RingModulator.h new file mode 100644 index 000000000..bbfa7f4ee --- /dev/null +++ b/ext/dsent/model/optical/RingModulator.h @@ -0,0 +1,54 @@ +#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__ + |