1/*****************************************************************************
2 * McPAT
3 * SOFTWARE LICENSE AGREEMENT
4 * Copyright 2012 Hewlett-Packard Development Company, L.P.
5 * Copyright (c) 2010-2013 Advanced Micro Devices, Inc.
6 * All Rights Reserved
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met: redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer;
12 * redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the

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21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 ***************************************************************************/
32
33
34#ifndef __INTERCONNECT_H__
35#define __INTERCONNECT_H__
36
37#include "assert.h"
38#include "basic_circuit.h"
39#include "basic_components.h"
40#include "cacti_interface.h"
41#include "component.h"
42#include "parameter.h"
43#include "subarray.h"
44#include "wire.h"
45
46class InterconnectParameters {
47public:
48 double active_ports;
49};
50
51class InterconnectStatistics {
52public:
53 double duty_cycle;
54 double accesses;
55};
56
57class Interconnect : public McPATComponent {
58public:
59 static double width_scaling_threshold;
60
61 enum Device_ty device_ty;
62 double in_rise_time, out_rise_time;
63 InputParameter l_ip;
64 uca_org_t local_result;
65 Area no_device_under_wire_area;
66 double max_unpipelined_link_delay;
67 powerDef power_bit;
68
69 double wire_bw;
70 double init_wire_bw;
71 double base_width;
72 double base_height;
73 int data_width;
74 enum Wire_type wt;
75 double width_scaling, space_scaling;
76 int start_wiring_level;
77 double length;
78 double min_w_nmos;
79 double min_w_pmos;
80 double latency, throughput;
81 bool latency_overflow;
82 bool throughput_overflow;
83 double interconnect_latency;
84 double interconnect_throughput;
85 bool opt_local;
86 enum Core_type core_ty;
87 bool pipelinable;
88 double route_over_perc;
89 int num_pipe_stages;
90 TechnologyParameter::DeviceType* deviceType;
91 InterconnectParameters int_params;
92 InterconnectStatistics int_stats;
93
94 Interconnect(XMLNode* _xml_data, string name_,
95 enum Device_ty device_ty_, double base_w,
96 double base_h, int data_w, double len,
97 const InputParameter *configure_interface,
98 int start_wiring_level_,
99 double _clockRate = 0.0f,
100 bool pipelinable_ = false, double route_over_perc_ = 0.5,
101 bool opt_local_ = true, enum Core_type core_ty_ = Inorder,
102 enum Wire_type wire_model = Global, double width_s = 1.0,
103 double space_s = 1.0,
104 TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
105private:
106 void calcWireData();
107public:
108 void computeArea();
109 void computeEnergy();
110 void set_params_stats(double active_ports,
111 double duty_cycle, double accesses);
112 void leakage_feedback(double temperature);
113 ~Interconnect() {};
114};
115
116#endif
117