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/*
* Copyright (c) 2012-2014, TU Delft
* Copyright (c) 2012-2014, TU Eindhoven
* Copyright (c) 2012-2014, TU Kaiserslautern
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Karthik Chandrasekar, Matthias Jung, Omar Naji
*
*/
#ifndef MEMORY_POWER_MODEL_H
#define MEMORY_POWER_MODEL_H
#include "MemorySpecification.h"
#include "CommandAnalysis.h"
namespace Data {
class MemoryPowerModel {
public:
// Calculate energy and average power consumption for the given memory
// command trace
void power_calc(MemorySpecification memSpec,
const CommandAnalysis& counters,
int term);
// Used to calculate self-refresh active energy
static double engy_sref(double idd6,
double idd3n,
double idd5,
double vdd,
double sref_cycles,
double sref_ref_act_cycles,
double sref_ref_pre_cycles,
double spup_ref_act_cycles,
double spup_ref_pre_cycles,
double clk);
int64_t total_cycles;
struct Energy {
// Total energy of all activates
double act_energy;
// Total energy of all precharges
double pre_energy;
// Total energy of all reads
double read_energy;
// Total energy of all writes
double write_energy;
// Total energy of all refreshes
double ref_energy;
// Total background energy of all active standby cycles
double act_stdby_energy;
// Total background energy of all precharge standby cycles
double pre_stdby_energy;
// Total energy of idle cycles in the active mode
double idle_energy_act;
// Total energy of idle cycles in the precharge mode
double idle_energy_pre;
// Total trace/pattern energy
double total_energy;
// Average Power
double average_power;
// Energy consumed in active/precharged fast/slow-exit modes
double f_act_pd_energy;
double f_pre_pd_energy;
double s_act_pd_energy;
double s_pre_pd_energy;
// Energy consumed in self-refresh mode
double sref_energy;
// Energy consumed in auto-refresh during self-refresh mode
double sref_ref_energy;
double sref_ref_act_energy;
double sref_ref_pre_energy;
// Energy consumed in powering-up from self-refresh mode
double spup_energy;
// Energy consumed in auto-refresh during self-refresh power-up
double spup_ref_energy;
double spup_ref_act_energy;
double spup_ref_pre_energy;
// Energy consumed in powering-up from active/precharged power-down modes
double pup_act_energy;
double pup_pre_energy;
// Energy consumed by IO and Termination
double read_io_energy; // Read IO Energy
double write_term_energy; // Write Termination Energy
double read_oterm_energy; // Read Termination Energy from idle rank
double write_oterm_energy; // Write Termination Energy from idle rank
// Total IO and Termination Energy
double io_term_energy;
};
struct Power {
// Power measures corresponding to IO and Termination
double IO_power; // Read IO Power
double WR_ODT_power; // Write ODT Power
double TermRD_power; // Read Termination in idle rank (in dual-rank systems)
double TermWR_power; // Write Termination in idle rank (in dual-rank systems)
// Average Power
double average_power;
};
// Print the power and energy
void power_print(MemorySpecification memSpec,
int term,
const CommandAnalysis& counters) const;
// To derive IO and Termination Power measures using DRAM specification
void io_term_power(MemorySpecification memSpec);
Energy energy;
Power power;
private:
double calcIoTermEnergy(int64_t cycles, double period, double power, int64_t numBits) const;
};
class EnergyDomain {
public:
EnergyDomain(double voltage, double clkPeriod) :
voltage(voltage),
clkPeriod(clkPeriod)
{}
double calcTivEnergy(int64_t cycles, double current) const;
private:
const double voltage;
const double clkPeriod;
};
}
#endif // ifndef MEMORY_POWER_MODEL_H
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