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sst/core/techModels/libMcPATbeta06/wire.h

00001 /*****************************************************************************
00002  *                                McPAT
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00012  *
00013  * Any User of the software ("User"), by accessing and using it, agrees to the
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00048 
00049 #ifndef __WIRE_H__
00050 #define __WIRE_H__
00051 
00052 #include "basic_circuit.h"
00053 #include "McPATcomponent.h"
00054 #include "parameter.h"
00055 #include "assert.h"
00056 #include "cacti_interface.h"
00057 #include <iostream>
00058 #include <list>
00059 
00060 class Wire : public McPATComponent
00061 {
00062   public:
00063     Wire(enum Wire_type wire_model, double len /* in u*/,
00064          int nsense = 1/* no. of sense amps connected to the low-swing wire */,
00065          double width_scaling = 1,
00066          double spacing_scaling = 1,
00067          enum Wire_placement wire_placement = outside_mat,
00068          double resistivity = CU_RESISTIVITY,
00069          TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
00070     ~Wire();
00071 
00072     Wire( double width_scaling = 1,
00073          double spacing_scaling = 1,
00074          enum Wire_placement wire_placement = outside_mat,
00075          double resistivity = CU_RESISTIVITY,
00076          TechnologyParameter::DeviceType *dt = &(g_tp.peri_global)
00077     ); // should be used only once for initializing static members
00078     void init_wire();
00079 
00080     void calculate_wire_stats();
00081     void delay_optimal_wire();
00082     double wire_cap(double len);
00083     double wire_res(double len);
00084     void low_swing_model();
00085     double signal_fall_time();
00086     double signal_rise_time();
00087     double sense_amp_input_cap();
00088 
00089     enum Wire_type wt;
00090     double wire_spacing;
00091     double wire_width;
00092     enum Wire_placement wire_placement;
00093     double repeater_size;
00094     double repeater_spacing;
00095     double wire_length;
00096     double in_rise_time, out_rise_time;
00097 
00098     void set_in_rise_time(double rt)
00099     {
00100       in_rise_time = rt;
00101     }
00102     static McPATComponent global;
00103     static McPATComponent global_5;
00104     static McPATComponent global_10;
00105     static McPATComponent global_20;
00106     static McPATComponent global_30;
00107     void print_wire();
00108 
00109   private:
00110 
00111     int nsense; // no. of sense amps connected to a low-swing wire if it
00112                 // is broadcasting data to multiple destinations
00113     // width and spacing scaling factor can be used
00114     // to model low level wires or special
00115     // fat wires
00116     double w_scale, s_scale;
00117     double resistivity;
00118     powerDef wire_model (double space, double size, double *delay);
00119     list <McPATComponent> repeated_wire;
00120     void update_fullswing();
00121 
00122 
00123     //low-swing
00124     McPATComponent transmitter;
00125     McPATComponent l_wire;
00126     McPATComponent sense_amp;
00127 
00128     double min_w_pmos;
00129 
00130     TechnologyParameter::DeviceType *deviceType;
00131 
00132 };
00133 
00134 #endif

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