gem5  [DEVELOP-FOR-23.0]
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
mathexpr_powermodel.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2016-2017, 2020 ARM Limited
3  * All rights reserved
4  *
5  * The license below extends only to copyright in the software and shall
6  * not be construed as granting a license to any other intellectual
7  * property including but not limited to intellectual property relating
8  * to a hardware implementation of the functionality of the software
9  * licensed hereunder. You may use the software subject to the license
10  * terms below provided that you ensure that this notice is replicated
11  * unmodified and in its entirety in all distributions of the software,
12  * modified or unmodified, in source code or in binary form.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions are
16  * met: redistributions of source code must retain the above copyright
17  * notice, this list of conditions and the following disclaimer;
18  * redistributions in binary form must reproduce the above copyright
19  * notice, this list of conditions and the following disclaimer in the
20  * documentation and/or other materials provided with the distribution;
21  * neither the name of the copyright holders nor the names of its
22  * contributors may be used to endorse or promote products derived from
23  * this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #ifndef __SIM_MATHEXPR_POWERMODEL_PM_HH__
39 #define __SIM_MATHEXPR_POWERMODEL_PM_HH__
40 
41 #include <unordered_map>
42 
43 #include "params/MathExprPowerModel.hh"
44 #include "sim/mathexpr.hh"
45 #include "sim/power/power_model.hh"
46 
47 namespace gem5
48 {
49 
50 namespace statistics
51 {
52  class Info;
53 }
54 
60 {
61  public:
62 
63  typedef MathExprPowerModelParams Params;
64  MathExprPowerModel(const Params &p);
65 
71  double getDynamicPower() const override { return eval(dyn_expr); }
72 
78  double getStaticPower() const override { return eval(st_expr); }
79 
87  double getStatValue(const std::string & name) const;
88 
89  void startup() override;
90  void regStats() override;
91 
92  private:
100  double eval(const MathExpr &expr) const;
101 
102  // Math expressions for dynamic and static power
104 
105  // Map that contains relevant stats for this power model
106  std::unordered_map<std::string, const statistics::Info*> statsMap;
107 };
108 
109 } // namespace gem5
110 
111 #endif
gem5::MathExprPowerModel::regStats
void regStats() override
Callback to set stat parameters.
Definition: mathexpr_powermodel.cc:115
mathexpr.hh
gem5::MathExprPowerModel::getDynamicPower
double getDynamicPower() const override
Get the dynamic power consumption.
Definition: mathexpr_powermodel.hh:71
power_model.hh
gem5::MathExprPowerModel::eval
double eval(const MathExpr &expr) const
Evaluate an expression in the context of this object, fatal if evaluation fails.
Definition: mathexpr_powermodel.cc:77
gem5::MathExprPowerModel::st_expr
MathExpr st_expr
Definition: mathexpr_powermodel.hh:103
gem5::MathExpr
Definition: mathexpr.hh:50
gem5::MathExprPowerModel::dyn_expr
MathExpr dyn_expr
Definition: mathexpr_powermodel.hh:103
gem5::Named::name
virtual std::string name() const
Definition: named.hh:47
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::MathExprPowerModel::getStatValue
double getStatValue(const std::string &name) const
Get the value for a variable (maps to a stat)
Definition: mathexpr_powermodel.cc:86
gem5::MathExprPowerModel::statsMap
std::unordered_map< std::string, const statistics::Info * > statsMap
Definition: mathexpr_powermodel.hh:106
gem5::MathExprPowerModel::Params
MathExprPowerModelParams Params
Definition: mathexpr_powermodel.hh:63
gem5::MathExprPowerModel
A Equation power model.
Definition: mathexpr_powermodel.hh:59
gem5::MathExprPowerModel::startup
void startup() override
startup() is the final initialization call before simulation.
Definition: mathexpr_powermodel.cc:57
gem5::MathExprPowerModel::getStaticPower
double getStaticPower() const override
Get the static power consumption.
Definition: mathexpr_powermodel.hh:78
gem5::MathExprPowerModel::MathExprPowerModel
MathExprPowerModel(const Params &p)
Definition: mathexpr_powermodel.cc:51
gem5::PowerModelState
A PowerModelState is an abstract class used as interface to get power figures out of SimObjects.
Definition: power_model.hh:58
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37

Generated on Sun Jul 30 2023 01:56:59 for gem5 by doxygen 1.8.17