gem5/ext/mcpat/cacti/component.h

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 *                                McPAT/CACTI
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 *            Copyright 2012 Hewlett-Packard Development Company, L.P.
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#ifndef __COMPONENT_H__
#define __COMPONENT_H__

#include "area.h"
#include "parameter.h"

using namespace std;

class Crossbar;
class Bank;

class Component {
public:
    Component();
    ~Component();

    Area area;
    // TODO: THERE IS LITTLE AGREEMENT THROUGHOUT THIS CODE ABOUT HOW THESE
    // VARIABLES SHOULD BE USED. PART OF THE PROBLEM IS NAMING. SO THAT THIS
    // MAKES MORE SENSE, ENERGY CALCULATIONS SHOULD BE SPLIT FROM POWER
    // CALCULATIONS. THIS IS THE WORST DESIGN PROBLEM THAT STILL EXISTS
    powerDef power, rt_power;
    double delay;
    double cycle_time;

    double compute_gate_area(int gate_type, int num_inputs, double w_pmos,
            double w_nmos, double h_gate);
    double compute_tr_width_after_folding(double input_width,
            double threshold_folding_width);
    double height_sense_amplifier(double pitch_sense_amp);

protected:
    int logical_effort(int num_gates_min, double g, double F, double * w_n,
            double * w_p, double C_load, double p_to_n_sz_ratio,
            bool is_dram_, bool is_wl_tr_, double max_w_nmos);

private:
    double compute_diffusion_width(int num_stacked_in, int num_folded_tr);
};

#endif