Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2012-2014, TU Delft |
| 3 | * Copyright (c) 2012-2014, TU Eindhoven |
| 4 | * Copyright (c) 2012-2014, TU Kaiserslautern |
| 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: |
| 10 | * |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. |
| 17 | * |
| 18 | * 3. Neither the name of the copyright holder nor the names of its |
| 19 | * contributors may be used to endorse or promote products derived from |
| 20 | * this software without specific prior written permission. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 23 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 24 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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| 26 | * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 28 | * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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| 32 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | * |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 34 | * Authors: Karthik Chandrasekar |
| 35 | * Matthias Jung |
| 36 | * Omar Naji |
| 37 | * Subash Kannoth |
| 38 | * Éder F. Zulian |
| 39 | * Felipe S. Prado |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 40 | * |
| 41 | */ |
| 42 | |
| 43 | #include "MemoryPowerModel.h" |
| 44 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 45 | #include <stdint.h> |
| 46 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 47 | #include <cmath> // For pow |
| 48 | #include <iostream> // fmtflags |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 49 | #include <algorithm> |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 50 | |
| 51 | using namespace std; |
| 52 | using namespace Data; |
| 53 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 54 | MemoryPowerModel::MemoryPowerModel() |
| 55 | { |
| 56 | total_cycles = 0; |
| 57 | energy.total_energy = 0; |
| 58 | } |
| 59 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 60 | // Calculate energy and average power consumption for the given command trace |
| 61 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 62 | void MemoryPowerModel::power_calc(const MemorySpecification& memSpec, |
| 63 | const CommandAnalysis& c, |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 64 | int term, |
| 65 | const MemBankWiseParams& bwPowerParams) |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 66 | { |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 67 | const MemTimingSpec& t = memSpec.memTimingSpec; |
| 68 | const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; |
| 69 | const MemPowerSpec& mps = memSpec.memPowerSpec; |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 70 | const int64_t nbrofBanks = memSpec.memArchSpec.nbrOfBanks; |
| 71 | |
| 72 | energy.act_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 73 | energy.pre_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 74 | energy.read_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 75 | energy.write_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 76 | energy.ref_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 77 | energy.refb_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 78 | energy.act_stdby_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 79 | energy.pre_stdby_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 80 | energy.idle_energy_act_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 81 | energy.idle_energy_pre_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 82 | energy.f_act_pd_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 83 | energy.f_pre_pd_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 84 | energy.s_act_pd_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 85 | energy.s_pre_pd_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 86 | energy.ref_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 87 | energy.sref_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 88 | energy.sref_ref_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 89 | energy.sref_ref_act_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 90 | energy.sref_ref_pre_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 91 | energy.spup_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 92 | energy.spup_ref_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 93 | energy.spup_ref_act_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 94 | energy.spup_ref_pre_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 95 | energy.pup_act_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 96 | energy.pup_pre_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
| 97 | energy.total_energy_banks.assign(static_cast<size_t>(nbrofBanks), 0.0); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 98 | |
| 99 | energy.act_energy = 0.0; |
| 100 | energy.pre_energy = 0.0; |
| 101 | energy.read_energy = 0.0; |
| 102 | energy.write_energy = 0.0; |
| 103 | energy.ref_energy = 0.0; |
| 104 | energy.act_stdby_energy = 0.0; |
| 105 | energy.pre_stdby_energy = 0.0; |
| 106 | energy.idle_energy_act = 0.0; |
| 107 | energy.idle_energy_pre = 0.0; |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 108 | energy.window_energy = 0.0; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 109 | energy.f_act_pd_energy = 0.0; |
| 110 | energy.f_pre_pd_energy = 0.0; |
| 111 | energy.s_act_pd_energy = 0.0; |
| 112 | energy.s_pre_pd_energy = 0.0; |
| 113 | energy.sref_energy = 0.0; |
| 114 | energy.sref_ref_energy = 0.0; |
| 115 | energy.sref_ref_act_energy = 0.0; |
| 116 | energy.sref_ref_pre_energy = 0.0; |
| 117 | energy.spup_energy = 0.0; |
| 118 | energy.spup_ref_energy = 0.0; |
| 119 | energy.spup_ref_act_energy = 0.0; |
| 120 | energy.spup_ref_pre_energy = 0.0; |
| 121 | energy.pup_act_energy = 0.0; |
| 122 | energy.pup_pre_energy = 0.0; |
| 123 | power.IO_power = 0.0; |
| 124 | power.WR_ODT_power = 0.0; |
| 125 | power.TermRD_power = 0.0; |
| 126 | power.TermWR_power = 0.0; |
| 127 | energy.read_io_energy = 0.0; |
| 128 | energy.write_term_energy = 0.0; |
| 129 | energy.read_oterm_energy = 0.0; |
| 130 | energy.write_oterm_energy = 0.0; |
| 131 | energy.io_term_energy = 0.0; |
| 132 | |
| 133 | // How long a single burst takes, measured in command-clock cycles. |
| 134 | int64_t burstCc = memArchSpec.burstLength / memArchSpec.dataRate; |
| 135 | |
| 136 | // IO and Termination Power measures are included, if required. |
| 137 | if (term) { |
| 138 | io_term_power(memSpec); |
| 139 | |
| 140 | // memArchSpec.width represents the number of data (dq) pins. |
| 141 | // 1 DQS pin is associated with every data byte |
| 142 | int64_t dqPlusDqsBits = memArchSpec.width + memArchSpec.width / 8; |
| 143 | // 1 DQS and 1 DM pin is associated with every data byte |
| 144 | int64_t dqPlusDqsPlusMaskBits = memArchSpec.width + memArchSpec.width / 8 + memArchSpec.width / 8; |
| 145 | // Size of one clock period for the data bus. |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 146 | double ddrPeriod = t.clkPeriod / static_cast<double>(memArchSpec.dataRate); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 147 | |
| 148 | // Read IO power is consumed by each DQ (data) and DQS (data strobe) pin |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 149 | energy.read_io_energy = calcIoTermEnergy(sum(c.numberofreadsBanks) * memArchSpec.burstLength, |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 150 | ddrPeriod, |
| 151 | power.IO_power, |
| 152 | dqPlusDqsBits); |
| 153 | |
| 154 | // Write ODT power is consumed by each DQ (data), DQS (data strobe) and DM |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 155 | energy.write_term_energy = calcIoTermEnergy(sum(c.numberofwritesBanks) * memArchSpec.burstLength, |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 156 | ddrPeriod, |
| 157 | power.WR_ODT_power, |
| 158 | dqPlusDqsPlusMaskBits); |
| 159 | |
| 160 | if (memArchSpec.nbrOfRanks > 1) { |
| 161 | // Termination power consumed in the idle rank during reads on the active |
| 162 | // rank by each DQ (data) and DQS (data strobe) pin. |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 163 | energy.read_oterm_energy = calcIoTermEnergy(sum(c.numberofreadsBanks) * memArchSpec.burstLength, |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 164 | ddrPeriod, |
| 165 | power.TermRD_power, |
| 166 | dqPlusDqsBits); |
| 167 | |
| 168 | // Termination power consumed in the idle rank during writes on the active |
| 169 | // rank by each DQ (data), DQS (data strobe) and DM (data mask) pin. |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 170 | energy.write_oterm_energy = calcIoTermEnergy(sum(c.numberofwritesBanks) * memArchSpec.burstLength, |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 171 | ddrPeriod, |
| 172 | power.TermWR_power, |
| 173 | dqPlusDqsPlusMaskBits); |
| 174 | } |
| 175 | |
| 176 | // Sum of all IO and termination energy |
| 177 | energy.io_term_energy = energy.read_io_energy + energy.write_term_energy |
| 178 | + energy.read_oterm_energy + energy.write_oterm_energy; |
| 179 | } |
| 180 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 181 | window_cycles = c.actcycles + c.precycles + |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 182 | c.f_act_pdcycles + c.f_pre_pdcycles + |
| 183 | c.s_act_pdcycles + c.s_pre_pdcycles + c.sref_cycles |
| 184 | + c.sref_ref_act_cycles + c.sref_ref_pre_cycles + |
| 185 | c.spup_ref_act_cycles + c.spup_ref_pre_cycles; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 186 | |
| 187 | EnergyDomain vdd0Domain(mps.vdd, t.clkPeriod); |
| 188 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 189 | energy.act_energy = vdd0Domain.calcTivEnergy(sum(c.numberofactsBanks) * t.RAS , mps.idd0 - mps.idd3n); |
| 190 | energy.pre_energy = vdd0Domain.calcTivEnergy(sum(c.numberofpresBanks) * (t.RC - t.RAS) , mps.idd0 - mps.idd2n); |
| 191 | energy.read_energy = vdd0Domain.calcTivEnergy(sum(c.numberofreadsBanks) * burstCc , mps.idd4r - mps.idd3n); |
| 192 | energy.write_energy = vdd0Domain.calcTivEnergy(sum(c.numberofwritesBanks) * burstCc , mps.idd4w - mps.idd3n); |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 193 | energy.ref_energy = vdd0Domain.calcTivEnergy(c.numberofrefs * t.RFC , mps.idd5 - mps.idd3n); |
| 194 | energy.pre_stdby_energy = vdd0Domain.calcTivEnergy(c.precycles, mps.idd2n); |
| 195 | energy.act_stdby_energy = vdd0Domain.calcTivEnergy(c.actcycles, mps.idd3n); |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 196 | |
| 197 | // Using the number of cycles that at least one bank is active here |
| 198 | // But the current iddrho is less than idd3n |
| 199 | double iddrho = (static_cast<double>(bwPowerParams.bwPowerFactRho) / 100.0) * (mps.idd3n - mps.idd2n) + mps.idd2n; |
| 200 | double esharedActStdby = vdd0Domain.calcTivEnergy(c.actcycles, iddrho); |
| 201 | // Fixed componenent for PASR |
| 202 | double iddsigma = (static_cast<double>(bwPowerParams.bwPowerFactSigma) / 100.0) * mps.idd6; |
| 203 | double esharedPASR = vdd0Domain.calcTivEnergy(c.sref_cycles, iddsigma); |
| 204 | // ione is Active background current for a single bank. When a single bank is Active |
| 205 | //,all the other remainig (B-1) banks will consume a current of iddrho (based on factor Rho) |
| 206 | // So to derrive ione we add (B-1)*iddrho to the idd3n and distribute it to each banks. |
| 207 | double ione = (mps.idd3n + (iddrho * (static_cast<double>(nbrofBanks - 1)))) / (static_cast<double>(nbrofBanks)); |
| 208 | // If memory specification does not provide bank wise refresh current, |
| 209 | // approximate it to single bank background current removed from |
| 210 | // single bank active current |
| 211 | double idd5Blocal = (mps.idd5B == 0.0) ? (mps.idd0 - ione) :(mps.idd5B); |
| 212 | // if memory specification does not provide the REFB timing approximate it |
| 213 | // to time of ACT + PRE |
| 214 | int64_t tRefBlocal = (t.REFB == 0) ? (t.RAS + t.RP) : (t.REFB); |
| 215 | |
| 216 | //Distribution of energy componets to each banks |
| 217 | for (unsigned i = 0; i < nbrofBanks; i++) { |
| 218 | energy.act_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofactsBanks[i] * t.RAS, mps.idd0 - ione); |
| 219 | energy.pre_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofpresBanks[i] * (t.RP), mps.idd0 - ione); |
| 220 | energy.read_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofreadsBanks[i] * burstCc, mps.idd4r - mps.idd3n); |
| 221 | energy.write_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofwritesBanks[i] * burstCc, mps.idd4w - mps.idd3n); |
| 222 | energy.ref_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofrefs * t.RFC, mps.idd5 - mps.idd3n) / static_cast<double>(nbrofBanks); |
| 223 | energy.refb_energy_banks[i] = vdd0Domain.calcTivEnergy(c.numberofrefbBanks[i] * tRefBlocal, idd5Blocal); |
| 224 | energy.pre_stdby_energy_banks[i] = vdd0Domain.calcTivEnergy(c.precycles, mps.idd2n) / static_cast<double>(nbrofBanks); |
| 225 | energy.act_stdby_energy_banks[i] = vdd0Domain.calcTivEnergy(c.actcyclesBanks[i], (mps.idd3n - iddrho) / static_cast<double>(nbrofBanks)) |
| 226 | + esharedActStdby / static_cast<double>(nbrofBanks); |
| 227 | energy.idle_energy_act_banks[i] = vdd0Domain.calcTivEnergy(c.idlecycles_act, mps.idd3n) / static_cast<double>(nbrofBanks); |
| 228 | energy.idle_energy_pre_banks[i] = vdd0Domain.calcTivEnergy(c.idlecycles_pre, mps.idd2n) / static_cast<double>(nbrofBanks); |
| 229 | energy.f_act_pd_energy_banks[i] = vdd0Domain.calcTivEnergy(c.f_act_pdcycles, mps.idd3p1) / static_cast<double>(nbrofBanks); |
| 230 | energy.f_pre_pd_energy_banks[i] = vdd0Domain.calcTivEnergy(c.f_pre_pdcycles, mps.idd2p1) / static_cast<double>(nbrofBanks); |
| 231 | energy.s_act_pd_energy_banks[i] = vdd0Domain.calcTivEnergy(c.s_act_pdcycles, mps.idd3p0) / static_cast<double>(nbrofBanks); |
| 232 | energy.s_pre_pd_energy_banks[i] = vdd0Domain.calcTivEnergy(c.s_pre_pdcycles, mps.idd2p0) / static_cast<double>(nbrofBanks); |
| 233 | |
| 234 | energy.sref_energy_banks[i] = engy_sref_banks(mps.idd6, mps.idd3n, |
| 235 | mps.idd5, mps.vdd, |
| 236 | static_cast<double>(c.sref_cycles), static_cast<double>(c.sref_ref_act_cycles), |
| 237 | static_cast<double>(c.sref_ref_pre_cycles), static_cast<double>(c.spup_ref_act_cycles), |
| 238 | static_cast<double>(c.spup_ref_pre_cycles), t.clkPeriod,esharedPASR,bwPowerParams,i,nbrofBanks |
| 239 | ); |
| 240 | energy.sref_ref_act_energy_banks[i] = vdd0Domain.calcTivEnergy(c.sref_ref_act_cycles, mps.idd3p0) / static_cast<double>(nbrofBanks); |
| 241 | energy.sref_ref_pre_energy_banks[i] = vdd0Domain.calcTivEnergy(c.sref_ref_pre_cycles, mps.idd2p0) / static_cast<double>(nbrofBanks); |
| 242 | energy.sref_ref_energy_banks[i] = energy.sref_ref_act_energy_banks[i] + energy.sref_ref_pre_energy_banks[i] ;// |
| 243 | |
| 244 | energy.spup_energy_banks[i] = vdd0Domain.calcTivEnergy(c.spup_cycles, mps.idd2n) / static_cast<double>(nbrofBanks); |
| 245 | energy.spup_ref_act_energy_banks[i] = vdd0Domain.calcTivEnergy(c.spup_ref_act_cycles, mps.idd3n) / static_cast<double>(nbrofBanks);// |
| 246 | energy.spup_ref_pre_energy_banks[i] = vdd0Domain.calcTivEnergy(c.spup_ref_pre_cycles, mps.idd2n) / static_cast<double>(nbrofBanks); |
| 247 | energy.spup_ref_energy_banks[i] = ( energy.spup_ref_act_energy + energy.spup_ref_pre_energy ) / static_cast<double>(nbrofBanks); |
| 248 | energy.pup_act_energy_banks[i] = vdd0Domain.calcTivEnergy(c.pup_act_cycles, mps.idd3n) / static_cast<double>(nbrofBanks); |
| 249 | energy.pup_pre_energy_banks[i] = vdd0Domain.calcTivEnergy(c.pup_pre_cycles, mps.idd2n) / static_cast<double>(nbrofBanks); |
| 250 | } |
| 251 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 252 | // Idle energy in the active standby clock cycles |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 253 | energy.idle_energy_act = vdd0Domain.calcTivEnergy(c.idlecycles_act, mps.idd3n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 254 | // Idle energy in the precharge standby clock cycles |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 255 | energy.idle_energy_pre = vdd0Domain.calcTivEnergy(c.idlecycles_pre, mps.idd2n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 256 | // fast-exit active power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 257 | energy.f_act_pd_energy = vdd0Domain.calcTivEnergy(c.f_act_pdcycles, mps.idd3p1); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 258 | // fast-exit precharged power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 259 | energy.f_pre_pd_energy = vdd0Domain.calcTivEnergy(c.f_pre_pdcycles, mps.idd2p1); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 260 | // slow-exit active power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 261 | energy.s_act_pd_energy = vdd0Domain.calcTivEnergy(c.s_act_pdcycles, mps.idd3p0); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 262 | // slow-exit precharged power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 263 | energy.s_pre_pd_energy = vdd0Domain.calcTivEnergy(c.s_pre_pdcycles, mps.idd2p0); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 264 | |
| 265 | // self-refresh cycles energy including a refresh per self-refresh entry |
| 266 | energy.sref_energy = engy_sref(mps.idd6, mps.idd3n, |
| 267 | mps.idd5, mps.vdd, |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 268 | static_cast<double>(c.sref_cycles), static_cast<double>(c.sref_ref_act_cycles), |
| 269 | static_cast<double>(c.sref_ref_pre_cycles), static_cast<double>(c.spup_ref_act_cycles), |
| 270 | static_cast<double>(c.spup_ref_pre_cycles), t.clkPeriod); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 271 | |
| 272 | // background energy during active auto-refresh cycles in self-refresh |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 273 | energy.sref_ref_act_energy = vdd0Domain.calcTivEnergy(c.sref_ref_act_cycles, mps.idd3p0); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 274 | // background energy during precharged auto-refresh cycles in self-refresh |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 275 | energy.sref_ref_pre_energy = vdd0Domain.calcTivEnergy(c.sref_ref_pre_cycles, mps.idd2p0); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 276 | // background energy during active auto-refresh cycles in self-refresh exit |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 277 | energy.spup_ref_act_energy = vdd0Domain.calcTivEnergy(c.spup_ref_act_cycles, mps.idd3n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 278 | // background energy during precharged auto-refresh cycles in self-refresh exit |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 279 | energy.spup_ref_pre_energy = vdd0Domain.calcTivEnergy(c.spup_ref_pre_cycles, mps.idd2n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 280 | // self-refresh power-up cycles energy -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 281 | energy.spup_energy = vdd0Domain.calcTivEnergy(c.spup_cycles, mps.idd2n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 282 | // active power-up cycles energy - same as active standby -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 283 | energy.pup_act_energy = vdd0Domain.calcTivEnergy(c.pup_act_cycles, mps.idd3n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 284 | // precharged power-up cycles energy - same as precharged standby -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 285 | energy.pup_pre_energy = vdd0Domain.calcTivEnergy(c.pup_pre_cycles, mps.idd2n); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 286 | |
| 287 | // similar equations as before to support multiple voltage domains in LPDDR2 |
| 288 | // and WIDEIO memories |
| 289 | if (memArchSpec.twoVoltageDomains) { |
| 290 | EnergyDomain vdd2Domain(mps.vdd2, t.clkPeriod); |
| 291 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 292 | energy.act_energy += vdd2Domain.calcTivEnergy(sum(c.numberofactsBanks) * t.RAS , mps.idd02 - mps.idd3n2); |
| 293 | energy.pre_energy += vdd2Domain.calcTivEnergy(sum(c.numberofpresBanks) * (t.RC - t.RAS) , mps.idd02 - mps.idd2n2); |
| 294 | energy.read_energy += vdd2Domain.calcTivEnergy(sum(c.numberofreadsBanks) * burstCc , mps.idd4r2 - mps.idd3n2); |
| 295 | energy.write_energy += vdd2Domain.calcTivEnergy(sum(c.numberofwritesBanks) * burstCc , mps.idd4w2 - mps.idd3n2); |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 296 | energy.ref_energy += vdd2Domain.calcTivEnergy(c.numberofrefs * t.RFC , mps.idd52 - mps.idd3n2); |
| 297 | energy.pre_stdby_energy += vdd2Domain.calcTivEnergy(c.precycles, mps.idd2n2); |
| 298 | energy.act_stdby_energy += vdd2Domain.calcTivEnergy(c.actcycles, mps.idd3n2); |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 299 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 300 | // Idle energy in the active standby clock cycles |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 301 | energy.idle_energy_act += vdd2Domain.calcTivEnergy(c.idlecycles_act, mps.idd3n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 302 | // Idle energy in the precharge standby clock cycles |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 303 | energy.idle_energy_pre += vdd2Domain.calcTivEnergy(c.idlecycles_pre, mps.idd2n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 304 | // fast-exit active power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 305 | energy.f_act_pd_energy += vdd2Domain.calcTivEnergy(c.f_act_pdcycles, mps.idd3p12); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 306 | // fast-exit precharged power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 307 | energy.f_pre_pd_energy += vdd2Domain.calcTivEnergy(c.f_pre_pdcycles, mps.idd2p12); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 308 | // slow-exit active power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 309 | energy.s_act_pd_energy += vdd2Domain.calcTivEnergy(c.s_act_pdcycles, mps.idd3p02); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 310 | // slow-exit precharged power-down cycles energy |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 311 | energy.s_pre_pd_energy += vdd2Domain.calcTivEnergy(c.s_pre_pdcycles, mps.idd2p02); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 312 | |
| 313 | energy.sref_energy += engy_sref(mps.idd62, mps.idd3n2, |
| 314 | mps.idd52, mps.vdd2, |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 315 | static_cast<double>(c.sref_cycles), static_cast<double>(c.sref_ref_act_cycles), |
| 316 | static_cast<double>(c.sref_ref_pre_cycles), static_cast<double>(c.spup_ref_act_cycles), |
| 317 | static_cast<double>(c.spup_ref_pre_cycles), t.clkPeriod); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 318 | |
| 319 | // background energy during active auto-refresh cycles in self-refresh |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 320 | energy.sref_ref_act_energy += vdd2Domain.calcTivEnergy(c.sref_ref_act_cycles, mps.idd3p02); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 321 | // background energy during precharged auto-refresh cycles in self-refresh |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 322 | energy.sref_ref_pre_energy += vdd2Domain.calcTivEnergy(c.sref_ref_pre_cycles, mps.idd2p02); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 323 | // background energy during active auto-refresh cycles in self-refresh exit |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 324 | energy.spup_ref_act_energy += vdd2Domain.calcTivEnergy(c.spup_ref_act_cycles, mps.idd3n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 325 | // background energy during precharged auto-refresh cycles in self-refresh exit |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 326 | energy.spup_ref_pre_energy += vdd2Domain.calcTivEnergy(c.spup_ref_pre_cycles, mps.idd2n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 327 | // self-refresh power-up cycles energy -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 328 | energy.spup_energy += vdd2Domain.calcTivEnergy(c.spup_cycles, mps.idd2n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 329 | // active power-up cycles energy - same as active standby -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 330 | energy.pup_act_energy += vdd2Domain.calcTivEnergy(c.pup_act_cycles, mps.idd3n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 331 | // precharged power-up cycles energy - same as precharged standby -- included |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 332 | energy.pup_pre_energy += vdd2Domain.calcTivEnergy(c.pup_pre_cycles, mps.idd2n2); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | // auto-refresh energy during self-refresh cycles |
| 336 | energy.sref_ref_energy = energy.sref_ref_act_energy + energy.sref_ref_pre_energy; |
| 337 | |
| 338 | // auto-refresh energy during self-refresh exit cycles |
| 339 | energy.spup_ref_energy = energy.spup_ref_act_energy + energy.spup_ref_pre_energy; |
| 340 | |
| 341 | // adding all energy components for the active rank and all background and idle |
| 342 | // energy components for both ranks (in a dual-rank system) |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 343 | |
| 344 | if (bwPowerParams.bwMode) { |
| 345 | // Calculate total energy per bank. |
| 346 | for (unsigned i = 0; i < nbrofBanks; i++) { |
| 347 | energy.total_energy_banks[i] = energy.act_energy_banks[i] + energy.pre_energy_banks[i] + energy.read_energy_banks[i] |
| 348 | + energy.ref_energy_banks[i] + energy.write_energy_banks[i] + energy.refb_energy_banks[i] |
| 349 | + static_cast<double>(memArchSpec.nbrOfRanks) * energy.act_stdby_energy_banks[i] |
| 350 | + energy.pre_stdby_energy_banks[i] + energy.f_pre_pd_energy_banks[i] + energy.s_act_pd_energy_banks[i] |
| 351 | + energy.s_pre_pd_energy_banks[i]+ energy.sref_ref_energy_banks[i] + energy.spup_ref_energy_banks[i]; |
| 352 | } |
| 353 | // Calculate total energy for all banks. |
| 354 | energy.window_energy = sum(energy.total_energy_banks) + energy.io_term_energy; |
| 355 | |
| 356 | } else { |
| 357 | energy.window_energy = energy.act_energy + energy.pre_energy + energy.read_energy + energy.write_energy |
| 358 | + energy.ref_energy + energy.io_term_energy + sum(energy.refb_energy_banks) |
| 359 | + static_cast<double>(memArchSpec.nbrOfRanks) * (energy.act_stdby_energy |
| 360 | + energy.pre_stdby_energy + energy.sref_energy + energy.f_act_pd_energy |
| 361 | + energy.f_pre_pd_energy + energy.s_act_pd_energy + energy.s_pre_pd_energy |
| 362 | + energy.sref_ref_energy + energy.spup_ref_energy); |
| 363 | } |
| 364 | |
| 365 | power.window_average_power = energy.window_energy / (static_cast<double>(window_cycles) * t.clkPeriod); |
| 366 | |
| 367 | total_cycles += window_cycles; |
| 368 | |
| 369 | energy.total_energy += energy.window_energy; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 370 | |
| 371 | // Calculate the average power consumption |
| 372 | power.average_power = energy.total_energy / (static_cast<double>(total_cycles) * t.clkPeriod); |
| 373 | } // MemoryPowerModel::power_calc |
| 374 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 375 | void MemoryPowerModel::power_print(const MemorySpecification& memSpec, int term, const CommandAnalysis& c, bool bankwiseMode) const |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 376 | { |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 377 | const MemTimingSpec& memTimingSpec = memSpec.memTimingSpec; |
| 378 | const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; |
| 379 | const uint64_t nRanks = static_cast<uint64_t>(memArchSpec.nbrOfRanks); |
| 380 | const char eUnit[] = " pJ"; |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 381 | const int64_t nbrofBanks = memSpec.memArchSpec.nbrOfBanks; |
| 382 | double nRanksDouble = static_cast<double>(nRanks); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 383 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 384 | ios_base::fmtflags flags = cout.flags(); |
| 385 | streamsize precision = cout.precision(); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 386 | cout.precision(0); |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 387 | |
| 388 | if (bankwiseMode) { |
| 389 | cout << endl << "* Bankwise Details:"; |
| 390 | for (unsigned i = 0; i < nbrofBanks; i++) { |
| 391 | cout << endl << "## @ Bank " << i << fixed |
| 392 | << endl << " #ACT commands: " << c.numberofactsBanks[i] |
| 393 | << endl << " #RD + #RDA commands: " << c.numberofreadsBanks[i] |
| 394 | << endl << " #WR + #WRA commands: " << c.numberofwritesBanks[i] |
| 395 | << endl << " #PRE (+ PREA) commands: " << c.numberofpresBanks[i]; |
| 396 | } |
| 397 | cout << endl; |
| 398 | } |
| 399 | |
| 400 | cout << endl << "* Trace Details:" << fixed << endl |
| 401 | << endl << "#ACT commands: " << sum(c.numberofactsBanks) |
| 402 | << endl << "#RD + #RDA commands: " << sum(c.numberofreadsBanks) |
| 403 | << endl << "#WR + #WRA commands: " << sum(c.numberofwritesBanks) |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 404 | /* #PRE commands (precharge all counts a number of #PRE commands equal to the number of active banks) */ |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 405 | << endl << "#PRE (+ PREA) commands: " << sum(c.numberofpresBanks) |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 406 | << endl << "#REF commands: " << c.numberofrefs |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 407 | << endl << "#REFB commands: " << sum(c.numberofrefbBanks) |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 408 | << endl << "#Active Cycles: " << c.actcycles |
| 409 | << endl << " #Active Idle Cycles: " << c.idlecycles_act |
| 410 | << endl << " #Active Power-Up Cycles: " << c.pup_act_cycles |
| 411 | << endl << " #Auto-Refresh Active cycles during Self-Refresh Power-Up: " << c.spup_ref_act_cycles |
| 412 | << endl << "#Precharged Cycles: " << c.precycles |
| 413 | << endl << " #Precharged Idle Cycles: " << c.idlecycles_pre |
| 414 | << endl << " #Precharged Power-Up Cycles: " << c.pup_pre_cycles |
| 415 | << endl << " #Auto-Refresh Precharged cycles during Self-Refresh Power-Up: " << c.spup_ref_pre_cycles |
| 416 | << endl << " #Self-Refresh Power-Up Cycles: " << c.spup_cycles |
| 417 | << endl << "Total Idle Cycles (Active + Precharged): " << c.idlecycles_act + c.idlecycles_pre |
| 418 | << endl << "#Power-Downs: " << c.f_act_pdns + c.s_act_pdns + c.f_pre_pdns + c.s_pre_pdns |
| 419 | << endl << " #Active Fast-exit Power-Downs: " << c.f_act_pdns |
| 420 | << endl << " #Active Slow-exit Power-Downs: " << c.s_act_pdns |
| 421 | << endl << " #Precharged Fast-exit Power-Downs: " << c.f_pre_pdns |
| 422 | << endl << " #Precharged Slow-exit Power-Downs: " << c.s_pre_pdns |
| 423 | << endl << "#Power-Down Cycles: " << c.f_act_pdcycles + c.s_act_pdcycles + c.f_pre_pdcycles + c.s_pre_pdcycles |
| 424 | << endl << " #Active Fast-exit Power-Down Cycles: " << c.f_act_pdcycles |
| 425 | << endl << " #Active Slow-exit Power-Down Cycles: " << c.s_act_pdcycles |
| 426 | << endl << " #Auto-Refresh Active cycles during Self-Refresh: " << c.sref_ref_act_cycles |
| 427 | << endl << " #Precharged Fast-exit Power-Down Cycles: " << c.f_pre_pdcycles |
| 428 | << endl << " #Precharged Slow-exit Power-Down Cycles: " << c.s_pre_pdcycles |
| 429 | << endl << " #Auto-Refresh Precharged cycles during Self-Refresh: " << c.sref_ref_pre_cycles |
| 430 | << endl << "#Auto-Refresh Cycles: " << c.numberofrefs * memTimingSpec.RFC |
| 431 | << endl << "#Self-Refreshes: " << c.numberofsrefs |
| 432 | << endl << "#Self-Refresh Cycles: " << c.sref_cycles |
| 433 | << endl << "----------------------------------------" |
| 434 | << endl << "Total Trace Length (clock cycles): " << total_cycles |
| 435 | << endl << "----------------------------------------" << endl; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 436 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 437 | if (bankwiseMode) { |
| 438 | cout << endl << "* Bankwise Details:"; |
| 439 | for (unsigned i = 0; i < nbrofBanks; i++) { |
| 440 | cout << endl << "## @ Bank " << i << fixed |
| 441 | << endl << " ACT Cmd Energy: " << energy.act_energy_banks[i] << eUnit |
| 442 | << endl << " PRE Cmd Energy: " << energy.pre_energy_banks[i] << eUnit |
| 443 | << endl << " RD Cmd Energy: " << energy.read_energy_banks[i] << eUnit |
| 444 | << endl << " WR Cmd Energy: " << energy.write_energy_banks[i] << eUnit |
| 445 | << endl << " Auto-Refresh Energy: " << energy.ref_energy_banks[i] << eUnit |
| 446 | << endl << " Bankwise-Refresh Energy: " << energy.refb_energy_banks[i] << eUnit |
| 447 | << endl << " ACT Stdby Energy: " << nRanksDouble * energy.act_stdby_energy_banks[i] << eUnit |
| 448 | << endl << " PRE Stdby Energy: " << nRanksDouble * energy.pre_stdby_energy_banks[i] << eUnit |
| 449 | << endl << " Active Idle Energy: "<< nRanksDouble * energy.idle_energy_act_banks[i] << eUnit |
| 450 | << endl << " Precharge Idle Energy: "<< nRanksDouble * energy.idle_energy_pre_banks[i] << eUnit |
| 451 | << endl << " Fast-Exit Active Power-Down Energy: "<< nRanksDouble * energy.f_act_pd_energy_banks[i] << eUnit |
| 452 | << endl << " Fast-Exit Precharged Power-Down Energy: "<< nRanksDouble * energy.f_pre_pd_energy_banks[i] << eUnit |
| 453 | << endl << " Slow-Exit Active Power-Down Energy: "<< nRanksDouble * energy.s_act_pd_energy_banks[i] << eUnit |
| 454 | << endl << " Slow-Exit Precharged Power-Down Energy: "<< nRanksDouble * energy.s_pre_pd_energy_banks[i] << eUnit |
| 455 | << endl << " Self-Refresh Energy: "<< nRanksDouble * energy.sref_energy_banks[i] << eUnit |
| 456 | << endl << " Slow-Exit Active Power-Down Energy during Auto-Refresh cycles in Self-Refresh: "<< nRanksDouble * energy.sref_ref_act_energy_banks[i] << eUnit |
| 457 | << endl << " Slow-Exit Precharged Power-Down Energy during Auto-Refresh cycles in Self-Refresh: " << nRanksDouble * energy.sref_ref_pre_energy_banks[i] << eUnit |
| 458 | << endl << " Self-Refresh Power-Up Energy: "<< nRanksDouble * energy.spup_energy_banks[i] << eUnit |
| 459 | << endl << " Active Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: "<< nRanksDouble * energy.spup_ref_act_energy_banks[i] << eUnit |
| 460 | << endl << " Precharge Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: "<< nRanksDouble * energy.spup_ref_pre_energy_banks[i] << eUnit |
| 461 | << endl << " Active Power-Up Energy: "<< nRanksDouble * energy.pup_act_energy_banks[i] << eUnit |
| 462 | << endl << " Precharged Power-Up Energy: "<< nRanksDouble * energy.pup_pre_energy_banks[i] << eUnit |
| 463 | << endl << " Total Energy: "<< energy.total_energy_banks[i] << eUnit |
| 464 | << endl; |
| 465 | } |
| 466 | cout << endl; |
| 467 | } |
| 468 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 469 | cout.precision(2); |
| 470 | cout << endl << "* Trace Power and Energy Estimates:" << endl |
| 471 | << endl << "ACT Cmd Energy: " << energy.act_energy << eUnit |
| 472 | << endl << "PRE Cmd Energy: " << energy.pre_energy << eUnit |
| 473 | << endl << "RD Cmd Energy: " << energy.read_energy << eUnit |
| 474 | << endl << "WR Cmd Energy: " << energy.write_energy << eUnit; |
| 475 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 476 | if (term) { |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 477 | cout << endl << "RD I/O Energy: " << energy.read_io_energy << eUnit << endl; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 478 | // No Termination for LPDDR/2/3 and DDR memories |
| 479 | if (memSpec.memArchSpec.termination) { |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 480 | cout << "WR Termination Energy: " << energy.write_term_energy << eUnit << endl; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 481 | } |
| 482 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 483 | if (nRanks > 1 && memSpec.memArchSpec.termination) { |
| 484 | cout << "RD Termination Energy (Idle rank): " << energy.read_oterm_energy << eUnit |
| 485 | << endl << "WR Termination Energy (Idle rank): " << energy.write_oterm_energy << eUnit << endl; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 486 | } |
| 487 | } |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 488 | |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 489 | cout << "ACT Stdby Energy: " << nRanksDouble * energy.act_stdby_energy << eUnit |
| 490 | << endl << " Active Idle Energy: " << nRanksDouble * energy.idle_energy_act << eUnit |
| 491 | << endl << " Active Power-Up Energy: " << nRanksDouble * energy.pup_act_energy << eUnit |
| 492 | << endl << " Active Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: " << nRanksDouble * energy.spup_ref_act_energy << eUnit |
| 493 | << endl << "PRE Stdby Energy: " << nRanksDouble * energy.pre_stdby_energy << eUnit |
| 494 | << endl << " Precharge Idle Energy: " << nRanksDouble * energy.idle_energy_pre << eUnit |
| 495 | << endl << " Precharged Power-Up Energy: " << nRanksDouble * energy.pup_pre_energy << eUnit |
| 496 | << endl << " Precharge Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: " << nRanksDouble * energy.spup_ref_pre_energy << eUnit |
| 497 | << endl << " Self-Refresh Power-Up Energy: " << nRanksDouble * energy.spup_energy << eUnit |
| 498 | << endl << "Total Idle Energy (Active + Precharged): " << nRanksDouble * (energy.idle_energy_act + energy.idle_energy_pre) << eUnit |
| 499 | << endl << "Total Power-Down Energy: " << nRanksDouble * (energy.f_act_pd_energy + energy.f_pre_pd_energy + energy.s_act_pd_energy + energy.s_pre_pd_energy) << eUnit |
| 500 | << endl << " Fast-Exit Active Power-Down Energy: " << nRanksDouble * energy.f_act_pd_energy << eUnit |
| 501 | << endl << " Slow-Exit Active Power-Down Energy: " << nRanksDouble * energy.s_act_pd_energy << eUnit |
| 502 | << endl << " Slow-Exit Active Power-Down Energy during Auto-Refresh cycles in Self-Refresh: " << nRanksDouble * energy.sref_ref_act_energy << eUnit |
| 503 | << endl << " Fast-Exit Precharged Power-Down Energy: " << nRanksDouble * energy.f_pre_pd_energy << eUnit |
| 504 | << endl << " Slow-Exit Precharged Power-Down Energy: " << nRanksDouble * energy.s_pre_pd_energy << eUnit |
| 505 | << endl << " Slow-Exit Precharged Power-Down Energy during Auto-Refresh cycles in Self-Refresh: " << nRanksDouble * energy.sref_ref_pre_energy << eUnit |
| 506 | << endl << "Auto-Refresh Energy: " << energy.ref_energy << eUnit |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 507 | << endl << "Bankwise-Refresh Energy: " << sum(energy.refb_energy_banks) << eUnit |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 508 | << endl << "Self-Refresh Energy: " << nRanksDouble * energy.sref_energy << eUnit |
| 509 | << endl << "----------------------------------------" |
| 510 | << endl << "Total Trace Energy: " << energy.total_energy << eUnit |
| 511 | << endl << "Average Power: " << power.average_power << " mW" |
| 512 | << endl << "----------------------------------------" << endl; |
| 513 | |
| 514 | cout.flags(flags); |
| 515 | cout.precision(precision); |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 516 | } // MemoryPowerModel::power_print |
| 517 | |
| 518 | // Self-refresh active energy estimation (not including background energy) |
| 519 | double MemoryPowerModel::engy_sref(double idd6, double idd3n, double idd5, |
| 520 | double vdd, double sref_cycles, double sref_ref_act_cycles, |
| 521 | double sref_ref_pre_cycles, double spup_ref_act_cycles, |
| 522 | double spup_ref_pre_cycles, double clk) |
| 523 | { |
| 524 | double sref_energy; |
| 525 | |
| 526 | sref_energy = ((idd6 * sref_cycles) + ((idd5 - idd3n) * (sref_ref_act_cycles |
| 527 | + spup_ref_act_cycles + sref_ref_pre_cycles + spup_ref_pre_cycles))) |
| 528 | * vdd * clk; |
| 529 | return sref_energy; |
| 530 | } |
| 531 | |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 532 | // Self-refresh active energy estimation per banks |
| 533 | double MemoryPowerModel::engy_sref_banks(double idd6, double idd3n, double idd5, |
| 534 | double vdd, double sref_cycles, double sref_ref_act_cycles, |
| 535 | double sref_ref_pre_cycles, double spup_ref_act_cycles, |
| 536 | double spup_ref_pre_cycles, double clk, |
| 537 | double esharedPASR, const MemBankWiseParams& bwPowerParams, |
| 538 | unsigned bnkIdx, int64_t nbrofBanks) |
| 539 | { |
| 540 | // Bankwise Self-refresh energy |
| 541 | double sref_energy_banks; |
| 542 | // Dynamic componenents for PASR energy varying based on PASR mode |
| 543 | double iddsigmaDynBanks; |
| 544 | double pasr_energy_dyn; |
| 545 | // This component is distributed among all banks |
| 546 | double sref_energy_shared; |
| 547 | //Is PASR Active |
| 548 | if (bwPowerParams.flgPASR){ |
| 549 | sref_energy_shared = (((idd5 - idd3n) * (sref_ref_act_cycles |
| 550 | + spup_ref_act_cycles + sref_ref_pre_cycles + spup_ref_pre_cycles)) * vdd * clk) |
| 551 | / static_cast<double>(nbrofBanks); |
| 552 | //if the bank is active under current PASR mode |
| 553 | if (bwPowerParams.isBankActiveInPasr(bnkIdx)){ |
| 554 | // Distribute the sref energy to the active banks |
| 555 | iddsigmaDynBanks = (static_cast<double>(100 - bwPowerParams.bwPowerFactSigma) / (100.0 * static_cast<double>(nbrofBanks))) * idd6; |
| 556 | pasr_energy_dyn = vdd * iddsigmaDynBanks * sref_cycles; |
| 557 | // Add the static components |
| 558 | sref_energy_banks = sref_energy_shared + pasr_energy_dyn + (esharedPASR /static_cast<double>(nbrofBanks)); |
| 559 | |
| 560 | }else{ |
| 561 | sref_energy_banks = (esharedPASR /static_cast<double>(nbrofBanks)); |
| 562 | } |
| 563 | } |
| 564 | //When PASR is not active total all the banks are in Self-Refresh. Thus total Self-Refresh energy is distributed across all banks |
| 565 | else{ |
| 566 | |
| 567 | |
| 568 | sref_energy_banks = (((idd6 * sref_cycles) + ((idd5 - idd3n) * (sref_ref_act_cycles |
| 569 | + spup_ref_act_cycles + sref_ref_pre_cycles + spup_ref_pre_cycles))) |
| 570 | * vdd * clk) |
| 571 | / static_cast<double>(nbrofBanks); |
| 572 | } |
| 573 | return sref_energy_banks; |
| 574 | } |
| 575 | |
| 576 | |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 577 | // IO and Termination power calculation based on Micron Power Calculators |
| 578 | // Absolute power measures are obtained from Micron Power Calculator (mentioned in mW) |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 579 | void MemoryPowerModel::io_term_power(const MemorySpecification& memSpec) |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 580 | { |
Matthias Jung | 86e9a6f | 2016-07-01 10:31:36 -0500 | [diff] [blame] | 581 | const MemTimingSpec& memTimingSpec = memSpec.memTimingSpec; |
| 582 | const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; |
| 583 | const MemPowerSpec& memPowerSpec = memSpec.memPowerSpec; |
Andreas Hansson | e0e8b08 | 2014-10-09 17:52:03 -0400 | [diff] [blame] | 584 | |
| 585 | power.IO_power = memPowerSpec.ioPower; // in mW |
| 586 | power.WR_ODT_power = memPowerSpec.wrOdtPower; // in mW |
| 587 | |
| 588 | if (memArchSpec.nbrOfRanks > 1) { |
| 589 | power.TermRD_power = memPowerSpec.termRdPower; // in mW |
| 590 | power.TermWR_power = memPowerSpec.termWrPower; // in mW |
| 591 | } |
| 592 | |
| 593 | if (memPowerSpec.capacitance != 0.0) { |
| 594 | // If capacity is given, then IO Power depends on DRAM clock frequency. |
| 595 | power.IO_power = memPowerSpec.capacitance * 0.5 * pow(memPowerSpec.vdd2, 2.0) * memTimingSpec.clkMhz * 1000000; |
| 596 | } |
| 597 | } // MemoryPowerModel::io_term_power |
| 598 | |
| 599 | |
| 600 | double MemoryPowerModel::calcIoTermEnergy(int64_t cycles, double period, double power, int64_t numBits) const |
| 601 | { |
| 602 | return static_cast<double>(cycles) * period * power * static_cast<double>(numBits); |
| 603 | } |
| 604 | |
| 605 | // time (t) * current (I) * voltage (V) energy calculation |
| 606 | double EnergyDomain::calcTivEnergy(int64_t cycles, double current) const |
| 607 | { |
| 608 | return static_cast<double>(cycles) * clkPeriod * current * voltage; |
| 609 | } |
Radhika Jagtap | 290a7e7 | 2016-12-19 10:32:40 +0000 | [diff] [blame] | 610 | |