crossbar.h (10152:52c552138ba1) crossbar.h (10234:5cb711fa6176)
1/*****************************************************************************
2 * McPAT/CACTI
3 * SOFTWARE LICENSE AGREEMENT
4 * Copyright 2012 Hewlett-Packard Development Company, L.P.
1/*****************************************************************************
2 * McPAT/CACTI
3 * SOFTWARE LICENSE AGREEMENT
4 * Copyright 2012 Hewlett-Packard Development Company, L.P.
5 * Copyright (c) 2010-2013 Advanced Micro Devices, Inc.
5 * All Rights Reserved
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met: redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer;
11 * redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the

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20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.”
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 ***************************************************************************/
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
30 *
31 ***************************************************************************/
32
33
34#ifndef __CROSSBAR__
35#define __CROSSBAR__
36
37#include <assert.h>
38
39#include <iostream>
40
41#include "basic_circuit.h"
42#include "cacti_interface.h"
43#include "component.h"
44#include "mat.h"
45#include "parameter.h"
46#include "wire.h"
47
47class Crossbar : public Component
48{
49 public:
48class Crossbar : public Component {
49public:
50 Crossbar(
50 Crossbar(
51 double in,
52 double out,
53 double flit_sz,
54 TechnologyParameter::DeviceType *dt = &(g_tp.peri_global));
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
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 */
65private:
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
75
76 TechnologyParameter::DeviceType *deviceType;
76 TechnologyParameter::DeviceType *deviceType;
77 double TriS1, TriS2;
78 double min_w_pmos, Vdd;
79
80};
81
82
83
84
85#endif
77 double TriS1, TriS2;
78 double min_w_pmos, Vdd;
79
80};
81
82
83
84
85#endif