e8ed7b1d1b
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.
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#ifndef __DSENT_MODEL_ELECTRICAL_DRIVER_MULTIPLIER_H__
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#define __DSENT_MODEL_ELECTRICAL_DRIVER_MULTIPLIER_H__
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#include "util/CommonType.h"
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#include "model/timing_graph/ElectricalTimingNode.h"
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namespace DSENT
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{
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// Simple class that can be used to mimic the presence of multiple drivers
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// output drivers (each driving one of the downstream loads) when only one
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// such driver has been instantiated (such as models that take advantage of
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// bit duplicattion). When the downsream loads differ in load cap, it
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// just returns the largest of the caps
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class ElectricalDriverMultiplier : public ElectricalTimingNode
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{
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public:
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ElectricalDriverMultiplier(const String& instance_name_, ElectricalModel* model_);
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virtual ~ElectricalDriverMultiplier();
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public:
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// Calculate drive resistance of this node;
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double calculateDriveRes(double input_drive_res_) const;
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// Calculate wiring delay (or net delay)
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double calculateDelay() const;
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// Calculate transition
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double calculateTransition() const;
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// get total amount of downstream load capacitance
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double getTotalDownstreamCap() const;
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private:
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// Disable copy constructor
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ElectricalDriverMultiplier(const ElectricalDriverMultiplier& net_);
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private:
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// Name of this instance
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String m_instance_name_;
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};
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} // namespace DSENT
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#endif // __DSENT_MODEL_ELECTRICAL_DRIVER_MULTIPLIER_H__
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