90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
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/*********************************************************************
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* The following code is part of the power modelling feature of VTR.
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*
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* For support:
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* http://code.google.com/p/vtr-verilog-to-routing/wiki/Power
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*
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* or email:
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* vtr.power.estimation@gmail.com
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*
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* If you are using power estimation for your researach please cite:
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*
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* Jeffrey Goeders and Steven Wilton. VersaPower: Power Estimation
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* for Diverse FPGA Architectures. In International Conference on
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* Field Programmable Technology, 2012.
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*
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********************************************************************/
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#ifndef __POWER_POWERSPICEDCOMPONENT_NMOS_H__
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#define __POWER_POWERSPICEDCOMPONENT_NMOS_H__
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#include <vector>
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#include <string>
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/************************* STRUCTS **********************************/
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class PowerSpicedComponent;
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class PowerCallibSize {
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public:
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float transistor_size;
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float power;
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float factor;
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PowerCallibSize(float size, float power_)
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: transistor_size(size)
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, power(power_)
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, factor(0.) {
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}
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bool operator<(const PowerCallibSize& rhs) {
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return transistor_size < rhs.transistor_size;
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}
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};
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class PowerCallibInputs {
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public:
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PowerSpicedComponent* parent;
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int num_inputs;
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std::vector<PowerCallibSize*> entries;
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bool sorted;
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PowerCallibInputs(PowerSpicedComponent* parent, float num_inputs);
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~PowerCallibInputs();
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void add_size(float transistor_size, float power = 0.);
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PowerCallibSize* get_entry_bound(bool lower, float transistor_size);
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void sort_me();
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bool done_callibration;
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void callibrate();
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};
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class PowerSpicedComponent {
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public:
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std::string name;
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std::vector<PowerCallibInputs*> entries;
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/* Estimation function for this component */
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float (*component_usage)(int num_inputs, float transistor_size);
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bool sorted;
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bool done_callibration;
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PowerCallibInputs* add_entry(int num_inputs);
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PowerCallibInputs* get_entry(int num_inputs);
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PowerCallibInputs* get_entry_bound(bool lower, int num_inputs);
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PowerSpicedComponent(std::string component_name,
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float (*usage_fn)(int num_inputs, float transistor_size));
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~PowerSpicedComponent();
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void add_data_point(int num_inputs, float transistor_size, float power);
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float scale_factor(int num_inputs, float transistor_size);
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void sort_me();
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// void update_scale_factor(float (*fn)(float size));
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void callibrate();
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bool is_done_callibration();
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void print(FILE* fp);
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};
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#endif
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