crossbar.h revision 10152 
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31
32
33#ifndef __CROSSBAR__
34#define __CROSSBAR__
35
36#include <assert.h>
37
38#include <iostream>
39
40#include "basic_circuit.h"
41#include "cacti_interface.h"
42#include "component.h"
43#include "mat.h"
44#include "parameter.h"
45#include "wire.h"
46
47class Crossbar : public Component
48{
49  public:
50    Crossbar(
51      double in,
52      double out,
53      double flit_sz,
54      TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
55    ~Crossbar();
56
57    void print_crossbar();
58    double output_buffer();
59    void compute_power();
60
61    double n_inp, n_out;
62    double flit_size;
63    double tri_inp_cap, tri_out_cap, tri_ctr_cap, tri_int_cap;
64
65  private:
66          double CB_ADJ;
67          /*
68           * Adjust factor of the height of the cross-point (tri-state buffer) cell (layout) in crossbar
69           * buffer is adjusted to get an aspect ratio of whole cross bar close to one;
70           * when adjust the ratio, the number of wires route over the tri-state buffers does not change,
71           * however, the effective wiring pitch changes. Specifically, since CB_ADJ will increase
72           * during the adjust, the tri-state buffer will become taller and thiner, and the effective wiring pitch
73           * will increase. As a result, the height of the crossbar (area.h) will increase.
74           */
75
76        TechnologyParameter::DeviceType *deviceType;
77    double TriS1, TriS2;
78    double min_w_pmos, Vdd;
79
80};
81
82
83
84
85#endif
86