MemoryPowerModel.cc revision 11555
110428Sandreas.hansson@arm.com/* 210428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Delft 310428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Eindhoven 410428Sandreas.hansson@arm.com * Copyright (c) 2012-2014, TU Kaiserslautern 510428Sandreas.hansson@arm.com * All rights reserved. 610428Sandreas.hansson@arm.com * 710428Sandreas.hansson@arm.com * Redistribution and use in source and binary forms, with or without 810428Sandreas.hansson@arm.com * modification, are permitted provided that the following conditions are 910428Sandreas.hansson@arm.com * met: 1010428Sandreas.hansson@arm.com * 1110428Sandreas.hansson@arm.com * 1. Redistributions of source code must retain the above copyright 1210428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer. 1310428Sandreas.hansson@arm.com * 1410428Sandreas.hansson@arm.com * 2. Redistributions in binary form must reproduce the above copyright 1510428Sandreas.hansson@arm.com * notice, this list of conditions and the following disclaimer in the 1610428Sandreas.hansson@arm.com * documentation and/or other materials provided with the distribution. 1710428Sandreas.hansson@arm.com * 1810428Sandreas.hansson@arm.com * 3. Neither the name of the copyright holder nor the names of its 1910428Sandreas.hansson@arm.com * contributors may be used to endorse or promote products derived from 2010428Sandreas.hansson@arm.com * this software without specific prior written permission. 2110428Sandreas.hansson@arm.com * 2210428Sandreas.hansson@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 2310428Sandreas.hansson@arm.com * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2410428Sandreas.hansson@arm.com * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 2510428Sandreas.hansson@arm.com * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2610428Sandreas.hansson@arm.com * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2710428Sandreas.hansson@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 2810428Sandreas.hansson@arm.com * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2910428Sandreas.hansson@arm.com * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 3010428Sandreas.hansson@arm.com * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3110428Sandreas.hansson@arm.com * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3210428Sandreas.hansson@arm.com * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3310428Sandreas.hansson@arm.com * 3410428Sandreas.hansson@arm.com * Authors: Karthik Chandrasekar, Matthias Jung, Omar Naji 3510428Sandreas.hansson@arm.com * 3610428Sandreas.hansson@arm.com */ 3710428Sandreas.hansson@arm.com 3810428Sandreas.hansson@arm.com#include "MemoryPowerModel.h" 3910428Sandreas.hansson@arm.com 4011555Sjungma@eit.uni-kl.de#include <stdint.h> 4111555Sjungma@eit.uni-kl.de 4210428Sandreas.hansson@arm.com#include <cmath> // For pow 4311555Sjungma@eit.uni-kl.de#include <iostream> // fmtflags 4410428Sandreas.hansson@arm.com 4510428Sandreas.hansson@arm.com 4610428Sandreas.hansson@arm.comusing namespace std; 4710428Sandreas.hansson@arm.comusing namespace Data; 4810428Sandreas.hansson@arm.com 4910428Sandreas.hansson@arm.com// Calculate energy and average power consumption for the given command trace 5010428Sandreas.hansson@arm.com 5111555Sjungma@eit.uni-kl.devoid MemoryPowerModel::power_calc(const MemorySpecification& memSpec, 5211555Sjungma@eit.uni-kl.de const CommandAnalysis& c, 5310428Sandreas.hansson@arm.com int term) 5410428Sandreas.hansson@arm.com{ 5511555Sjungma@eit.uni-kl.de const MemTimingSpec& t = memSpec.memTimingSpec; 5611555Sjungma@eit.uni-kl.de const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; 5711555Sjungma@eit.uni-kl.de const MemPowerSpec& mps = memSpec.memPowerSpec; 5810428Sandreas.hansson@arm.com 5910428Sandreas.hansson@arm.com energy.act_energy = 0.0; 6010428Sandreas.hansson@arm.com energy.pre_energy = 0.0; 6110428Sandreas.hansson@arm.com energy.read_energy = 0.0; 6210428Sandreas.hansson@arm.com energy.write_energy = 0.0; 6310428Sandreas.hansson@arm.com energy.ref_energy = 0.0; 6410428Sandreas.hansson@arm.com energy.act_stdby_energy = 0.0; 6510428Sandreas.hansson@arm.com energy.pre_stdby_energy = 0.0; 6610428Sandreas.hansson@arm.com energy.idle_energy_act = 0.0; 6710428Sandreas.hansson@arm.com energy.idle_energy_pre = 0.0; 6810428Sandreas.hansson@arm.com energy.total_energy = 0.0; 6910428Sandreas.hansson@arm.com energy.f_act_pd_energy = 0.0; 7010428Sandreas.hansson@arm.com energy.f_pre_pd_energy = 0.0; 7110428Sandreas.hansson@arm.com energy.s_act_pd_energy = 0.0; 7210428Sandreas.hansson@arm.com energy.s_pre_pd_energy = 0.0; 7310428Sandreas.hansson@arm.com energy.sref_energy = 0.0; 7410428Sandreas.hansson@arm.com energy.sref_ref_energy = 0.0; 7510428Sandreas.hansson@arm.com energy.sref_ref_act_energy = 0.0; 7610428Sandreas.hansson@arm.com energy.sref_ref_pre_energy = 0.0; 7710428Sandreas.hansson@arm.com energy.spup_energy = 0.0; 7810428Sandreas.hansson@arm.com energy.spup_ref_energy = 0.0; 7910428Sandreas.hansson@arm.com energy.spup_ref_act_energy = 0.0; 8010428Sandreas.hansson@arm.com energy.spup_ref_pre_energy = 0.0; 8110428Sandreas.hansson@arm.com energy.pup_act_energy = 0.0; 8210428Sandreas.hansson@arm.com energy.pup_pre_energy = 0.0; 8310428Sandreas.hansson@arm.com power.IO_power = 0.0; 8410428Sandreas.hansson@arm.com power.WR_ODT_power = 0.0; 8510428Sandreas.hansson@arm.com power.TermRD_power = 0.0; 8610428Sandreas.hansson@arm.com power.TermWR_power = 0.0; 8710428Sandreas.hansson@arm.com energy.read_io_energy = 0.0; 8810428Sandreas.hansson@arm.com energy.write_term_energy = 0.0; 8910428Sandreas.hansson@arm.com energy.read_oterm_energy = 0.0; 9010428Sandreas.hansson@arm.com energy.write_oterm_energy = 0.0; 9110428Sandreas.hansson@arm.com energy.io_term_energy = 0.0; 9210428Sandreas.hansson@arm.com 9310428Sandreas.hansson@arm.com // How long a single burst takes, measured in command-clock cycles. 9410428Sandreas.hansson@arm.com int64_t burstCc = memArchSpec.burstLength / memArchSpec.dataRate; 9510428Sandreas.hansson@arm.com 9610428Sandreas.hansson@arm.com // IO and Termination Power measures are included, if required. 9710428Sandreas.hansson@arm.com if (term) { 9810428Sandreas.hansson@arm.com io_term_power(memSpec); 9910428Sandreas.hansson@arm.com 10010428Sandreas.hansson@arm.com // memArchSpec.width represents the number of data (dq) pins. 10110428Sandreas.hansson@arm.com // 1 DQS pin is associated with every data byte 10210428Sandreas.hansson@arm.com int64_t dqPlusDqsBits = memArchSpec.width + memArchSpec.width / 8; 10310428Sandreas.hansson@arm.com // 1 DQS and 1 DM pin is associated with every data byte 10410428Sandreas.hansson@arm.com int64_t dqPlusDqsPlusMaskBits = memArchSpec.width + memArchSpec.width / 8 + memArchSpec.width / 8; 10510428Sandreas.hansson@arm.com // Size of one clock period for the data bus. 10611555Sjungma@eit.uni-kl.de double ddrPeriod = t.clkPeriod / static_cast<double>(memArchSpec.dataRate); 10710428Sandreas.hansson@arm.com 10810428Sandreas.hansson@arm.com // Read IO power is consumed by each DQ (data) and DQS (data strobe) pin 10911555Sjungma@eit.uni-kl.de energy.read_io_energy = calcIoTermEnergy(c.numberofreads * memArchSpec.burstLength, 11010428Sandreas.hansson@arm.com ddrPeriod, 11110428Sandreas.hansson@arm.com power.IO_power, 11210428Sandreas.hansson@arm.com dqPlusDqsBits); 11310428Sandreas.hansson@arm.com 11410428Sandreas.hansson@arm.com // Write ODT power is consumed by each DQ (data), DQS (data strobe) and DM 11511555Sjungma@eit.uni-kl.de energy.write_term_energy = calcIoTermEnergy(c.numberofwrites * memArchSpec.burstLength, 11610428Sandreas.hansson@arm.com ddrPeriod, 11710428Sandreas.hansson@arm.com power.WR_ODT_power, 11810428Sandreas.hansson@arm.com dqPlusDqsPlusMaskBits); 11910428Sandreas.hansson@arm.com 12010428Sandreas.hansson@arm.com if (memArchSpec.nbrOfRanks > 1) { 12110428Sandreas.hansson@arm.com // Termination power consumed in the idle rank during reads on the active 12210428Sandreas.hansson@arm.com // rank by each DQ (data) and DQS (data strobe) pin. 12311555Sjungma@eit.uni-kl.de energy.read_oterm_energy = calcIoTermEnergy(c.numberofreads * memArchSpec.burstLength, 12410428Sandreas.hansson@arm.com ddrPeriod, 12510428Sandreas.hansson@arm.com power.TermRD_power, 12610428Sandreas.hansson@arm.com dqPlusDqsBits); 12710428Sandreas.hansson@arm.com 12810428Sandreas.hansson@arm.com // Termination power consumed in the idle rank during writes on the active 12910428Sandreas.hansson@arm.com // rank by each DQ (data), DQS (data strobe) and DM (data mask) pin. 13011555Sjungma@eit.uni-kl.de energy.write_oterm_energy = calcIoTermEnergy(c.numberofwrites * memArchSpec.burstLength, 13110428Sandreas.hansson@arm.com ddrPeriod, 13210428Sandreas.hansson@arm.com power.TermWR_power, 13310428Sandreas.hansson@arm.com dqPlusDqsPlusMaskBits); 13410428Sandreas.hansson@arm.com } 13510428Sandreas.hansson@arm.com 13610428Sandreas.hansson@arm.com // Sum of all IO and termination energy 13710428Sandreas.hansson@arm.com energy.io_term_energy = energy.read_io_energy + energy.write_term_energy 13810428Sandreas.hansson@arm.com + energy.read_oterm_energy + energy.write_oterm_energy; 13910428Sandreas.hansson@arm.com } 14010428Sandreas.hansson@arm.com 14111555Sjungma@eit.uni-kl.de total_cycles = c.actcycles + c.precycles + 14211555Sjungma@eit.uni-kl.de c.f_act_pdcycles + c.f_pre_pdcycles + 14311555Sjungma@eit.uni-kl.de c.s_act_pdcycles + c.s_pre_pdcycles + c.sref_cycles 14411555Sjungma@eit.uni-kl.de + c.sref_ref_act_cycles + c.sref_ref_pre_cycles + 14511555Sjungma@eit.uni-kl.de c.spup_ref_act_cycles + c.spup_ref_pre_cycles; 14610428Sandreas.hansson@arm.com 14710428Sandreas.hansson@arm.com EnergyDomain vdd0Domain(mps.vdd, t.clkPeriod); 14810428Sandreas.hansson@arm.com 14911555Sjungma@eit.uni-kl.de energy.act_energy = vdd0Domain.calcTivEnergy(c.numberofacts * t.RAS , mps.idd0 - mps.idd3n); 15011555Sjungma@eit.uni-kl.de energy.pre_energy = vdd0Domain.calcTivEnergy(c.numberofpres * (t.RC - t.RAS) , mps.idd0 - mps.idd2n); 15111555Sjungma@eit.uni-kl.de energy.read_energy = vdd0Domain.calcTivEnergy(c.numberofreads * burstCc , mps.idd4r - mps.idd3n); 15211555Sjungma@eit.uni-kl.de energy.write_energy = vdd0Domain.calcTivEnergy(c.numberofwrites * burstCc , mps.idd4w - mps.idd3n); 15311555Sjungma@eit.uni-kl.de energy.ref_energy = vdd0Domain.calcTivEnergy(c.numberofrefs * t.RFC , mps.idd5 - mps.idd3n); 15411555Sjungma@eit.uni-kl.de energy.pre_stdby_energy = vdd0Domain.calcTivEnergy(c.precycles, mps.idd2n); 15511555Sjungma@eit.uni-kl.de energy.act_stdby_energy = vdd0Domain.calcTivEnergy(c.actcycles, mps.idd3n); 15610428Sandreas.hansson@arm.com // Idle energy in the active standby clock cycles 15711555Sjungma@eit.uni-kl.de energy.idle_energy_act = vdd0Domain.calcTivEnergy(c.idlecycles_act, mps.idd3n); 15810428Sandreas.hansson@arm.com // Idle energy in the precharge standby clock cycles 15911555Sjungma@eit.uni-kl.de energy.idle_energy_pre = vdd0Domain.calcTivEnergy(c.idlecycles_pre, mps.idd2n); 16010428Sandreas.hansson@arm.com // fast-exit active power-down cycles energy 16111555Sjungma@eit.uni-kl.de energy.f_act_pd_energy = vdd0Domain.calcTivEnergy(c.f_act_pdcycles, mps.idd3p1); 16210428Sandreas.hansson@arm.com // fast-exit precharged power-down cycles energy 16311555Sjungma@eit.uni-kl.de energy.f_pre_pd_energy = vdd0Domain.calcTivEnergy(c.f_pre_pdcycles, mps.idd2p1); 16410428Sandreas.hansson@arm.com // slow-exit active power-down cycles energy 16511555Sjungma@eit.uni-kl.de energy.s_act_pd_energy = vdd0Domain.calcTivEnergy(c.s_act_pdcycles, mps.idd3p0); 16610428Sandreas.hansson@arm.com // slow-exit precharged power-down cycles energy 16711555Sjungma@eit.uni-kl.de energy.s_pre_pd_energy = vdd0Domain.calcTivEnergy(c.s_pre_pdcycles, mps.idd2p0); 16810428Sandreas.hansson@arm.com 16910428Sandreas.hansson@arm.com // self-refresh cycles energy including a refresh per self-refresh entry 17010428Sandreas.hansson@arm.com energy.sref_energy = engy_sref(mps.idd6, mps.idd3n, 17110428Sandreas.hansson@arm.com mps.idd5, mps.vdd, 17211555Sjungma@eit.uni-kl.de static_cast<double>(c.sref_cycles), static_cast<double>(c.sref_ref_act_cycles), 17311555Sjungma@eit.uni-kl.de static_cast<double>(c.sref_ref_pre_cycles), static_cast<double>(c.spup_ref_act_cycles), 17411555Sjungma@eit.uni-kl.de static_cast<double>(c.spup_ref_pre_cycles), t.clkPeriod); 17510428Sandreas.hansson@arm.com 17610428Sandreas.hansson@arm.com // background energy during active auto-refresh cycles in self-refresh 17711555Sjungma@eit.uni-kl.de energy.sref_ref_act_energy = vdd0Domain.calcTivEnergy(c.sref_ref_act_cycles, mps.idd3p0); 17810428Sandreas.hansson@arm.com // background energy during precharged auto-refresh cycles in self-refresh 17911555Sjungma@eit.uni-kl.de energy.sref_ref_pre_energy = vdd0Domain.calcTivEnergy(c.sref_ref_pre_cycles, mps.idd2p0); 18010428Sandreas.hansson@arm.com // background energy during active auto-refresh cycles in self-refresh exit 18111555Sjungma@eit.uni-kl.de energy.spup_ref_act_energy = vdd0Domain.calcTivEnergy(c.spup_ref_act_cycles, mps.idd3n); 18210428Sandreas.hansson@arm.com // background energy during precharged auto-refresh cycles in self-refresh exit 18311555Sjungma@eit.uni-kl.de energy.spup_ref_pre_energy = vdd0Domain.calcTivEnergy(c.spup_ref_pre_cycles, mps.idd2n); 18410428Sandreas.hansson@arm.com // self-refresh power-up cycles energy -- included 18511555Sjungma@eit.uni-kl.de energy.spup_energy = vdd0Domain.calcTivEnergy(c.spup_cycles, mps.idd2n); 18610428Sandreas.hansson@arm.com // active power-up cycles energy - same as active standby -- included 18711555Sjungma@eit.uni-kl.de energy.pup_act_energy = vdd0Domain.calcTivEnergy(c.pup_act_cycles, mps.idd3n); 18810428Sandreas.hansson@arm.com // precharged power-up cycles energy - same as precharged standby -- included 18911555Sjungma@eit.uni-kl.de energy.pup_pre_energy = vdd0Domain.calcTivEnergy(c.pup_pre_cycles, mps.idd2n); 19010428Sandreas.hansson@arm.com 19110428Sandreas.hansson@arm.com // similar equations as before to support multiple voltage domains in LPDDR2 19210428Sandreas.hansson@arm.com // and WIDEIO memories 19310428Sandreas.hansson@arm.com if (memArchSpec.twoVoltageDomains) { 19410428Sandreas.hansson@arm.com EnergyDomain vdd2Domain(mps.vdd2, t.clkPeriod); 19510428Sandreas.hansson@arm.com 19611555Sjungma@eit.uni-kl.de energy.act_energy += vdd2Domain.calcTivEnergy(c.numberofacts * t.RAS , mps.idd02 - mps.idd3n2); 19711555Sjungma@eit.uni-kl.de energy.pre_energy += vdd2Domain.calcTivEnergy(c.numberofpres * (t.RC - t.RAS) , mps.idd02 - mps.idd2n2); 19811555Sjungma@eit.uni-kl.de energy.read_energy += vdd2Domain.calcTivEnergy(c.numberofreads * burstCc , mps.idd4r2 - mps.idd3n2); 19911555Sjungma@eit.uni-kl.de energy.write_energy += vdd2Domain.calcTivEnergy(c.numberofwrites * burstCc , mps.idd4w2 - mps.idd3n2); 20011555Sjungma@eit.uni-kl.de energy.ref_energy += vdd2Domain.calcTivEnergy(c.numberofrefs * t.RFC , mps.idd52 - mps.idd3n2); 20111555Sjungma@eit.uni-kl.de energy.pre_stdby_energy += vdd2Domain.calcTivEnergy(c.precycles, mps.idd2n2); 20211555Sjungma@eit.uni-kl.de energy.act_stdby_energy += vdd2Domain.calcTivEnergy(c.actcycles, mps.idd3n2); 20310428Sandreas.hansson@arm.com // Idle energy in the active standby clock cycles 20411555Sjungma@eit.uni-kl.de energy.idle_energy_act += vdd2Domain.calcTivEnergy(c.idlecycles_act, mps.idd3n2); 20510428Sandreas.hansson@arm.com // Idle energy in the precharge standby clock cycles 20611555Sjungma@eit.uni-kl.de energy.idle_energy_pre += vdd2Domain.calcTivEnergy(c.idlecycles_pre, mps.idd2n2); 20710428Sandreas.hansson@arm.com // fast-exit active power-down cycles energy 20811555Sjungma@eit.uni-kl.de energy.f_act_pd_energy += vdd2Domain.calcTivEnergy(c.f_act_pdcycles, mps.idd3p12); 20910428Sandreas.hansson@arm.com // fast-exit precharged power-down cycles energy 21011555Sjungma@eit.uni-kl.de energy.f_pre_pd_energy += vdd2Domain.calcTivEnergy(c.f_pre_pdcycles, mps.idd2p12); 21110428Sandreas.hansson@arm.com // slow-exit active power-down cycles energy 21211555Sjungma@eit.uni-kl.de energy.s_act_pd_energy += vdd2Domain.calcTivEnergy(c.s_act_pdcycles, mps.idd3p02); 21310428Sandreas.hansson@arm.com // slow-exit precharged power-down cycles energy 21411555Sjungma@eit.uni-kl.de energy.s_pre_pd_energy += vdd2Domain.calcTivEnergy(c.s_pre_pdcycles, mps.idd2p02); 21510428Sandreas.hansson@arm.com 21610428Sandreas.hansson@arm.com energy.sref_energy += engy_sref(mps.idd62, mps.idd3n2, 21710428Sandreas.hansson@arm.com mps.idd52, mps.vdd2, 21811555Sjungma@eit.uni-kl.de static_cast<double>(c.sref_cycles), static_cast<double>(c.sref_ref_act_cycles), 21911555Sjungma@eit.uni-kl.de static_cast<double>(c.sref_ref_pre_cycles), static_cast<double>(c.spup_ref_act_cycles), 22011555Sjungma@eit.uni-kl.de static_cast<double>(c.spup_ref_pre_cycles), t.clkPeriod); 22110428Sandreas.hansson@arm.com 22210428Sandreas.hansson@arm.com // background energy during active auto-refresh cycles in self-refresh 22311555Sjungma@eit.uni-kl.de energy.sref_ref_act_energy += vdd2Domain.calcTivEnergy(c.sref_ref_act_cycles, mps.idd3p02); 22410428Sandreas.hansson@arm.com // background energy during precharged auto-refresh cycles in self-refresh 22511555Sjungma@eit.uni-kl.de energy.sref_ref_pre_energy += vdd2Domain.calcTivEnergy(c.sref_ref_pre_cycles, mps.idd2p02); 22610428Sandreas.hansson@arm.com // background energy during active auto-refresh cycles in self-refresh exit 22711555Sjungma@eit.uni-kl.de energy.spup_ref_act_energy += vdd2Domain.calcTivEnergy(c.spup_ref_act_cycles, mps.idd3n2); 22810428Sandreas.hansson@arm.com // background energy during precharged auto-refresh cycles in self-refresh exit 22911555Sjungma@eit.uni-kl.de energy.spup_ref_pre_energy += vdd2Domain.calcTivEnergy(c.spup_ref_pre_cycles, mps.idd2n2); 23010428Sandreas.hansson@arm.com // self-refresh power-up cycles energy -- included 23111555Sjungma@eit.uni-kl.de energy.spup_energy += vdd2Domain.calcTivEnergy(c.spup_cycles, mps.idd2n2); 23210428Sandreas.hansson@arm.com // active power-up cycles energy - same as active standby -- included 23311555Sjungma@eit.uni-kl.de energy.pup_act_energy += vdd2Domain.calcTivEnergy(c.pup_act_cycles, mps.idd3n2); 23410428Sandreas.hansson@arm.com // precharged power-up cycles energy - same as precharged standby -- included 23511555Sjungma@eit.uni-kl.de energy.pup_pre_energy += vdd2Domain.calcTivEnergy(c.pup_pre_cycles, mps.idd2n2); 23610428Sandreas.hansson@arm.com } 23710428Sandreas.hansson@arm.com 23810428Sandreas.hansson@arm.com // auto-refresh energy during self-refresh cycles 23910428Sandreas.hansson@arm.com energy.sref_ref_energy = energy.sref_ref_act_energy + energy.sref_ref_pre_energy; 24010428Sandreas.hansson@arm.com 24110428Sandreas.hansson@arm.com // auto-refresh energy during self-refresh exit cycles 24210428Sandreas.hansson@arm.com energy.spup_ref_energy = energy.spup_ref_act_energy + energy.spup_ref_pre_energy; 24310428Sandreas.hansson@arm.com 24410428Sandreas.hansson@arm.com // adding all energy components for the active rank and all background and idle 24510428Sandreas.hansson@arm.com // energy components for both ranks (in a dual-rank system) 24610428Sandreas.hansson@arm.com energy.total_energy = energy.act_energy + energy.pre_energy + energy.read_energy + 24710428Sandreas.hansson@arm.com energy.write_energy + energy.ref_energy + energy.io_term_energy + 24811555Sjungma@eit.uni-kl.de static_cast<double>(memArchSpec.nbrOfRanks) * (energy.act_stdby_energy + 24910428Sandreas.hansson@arm.com energy.pre_stdby_energy + energy.sref_energy + 25010428Sandreas.hansson@arm.com energy.f_act_pd_energy + energy.f_pre_pd_energy + energy.s_act_pd_energy 25110428Sandreas.hansson@arm.com + energy.s_pre_pd_energy + energy.sref_ref_energy + energy.spup_ref_energy); 25210428Sandreas.hansson@arm.com 25310428Sandreas.hansson@arm.com // Calculate the average power consumption 25410428Sandreas.hansson@arm.com power.average_power = energy.total_energy / (static_cast<double>(total_cycles) * t.clkPeriod); 25510428Sandreas.hansson@arm.com} // MemoryPowerModel::power_calc 25610428Sandreas.hansson@arm.com 25711555Sjungma@eit.uni-kl.devoid MemoryPowerModel::power_print(const MemorySpecification& memSpec, int term, const CommandAnalysis& c) const 25810428Sandreas.hansson@arm.com{ 25911555Sjungma@eit.uni-kl.de const MemTimingSpec& memTimingSpec = memSpec.memTimingSpec; 26011555Sjungma@eit.uni-kl.de const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; 26111555Sjungma@eit.uni-kl.de const uint64_t nRanks = static_cast<uint64_t>(memArchSpec.nbrOfRanks); 26211555Sjungma@eit.uni-kl.de const char eUnit[] = " pJ"; 26310428Sandreas.hansson@arm.com 26411555Sjungma@eit.uni-kl.de ios_base::fmtflags flags = cout.flags(); 26511555Sjungma@eit.uni-kl.de streamsize precision = cout.precision(); 26610428Sandreas.hansson@arm.com cout.precision(0); 26711555Sjungma@eit.uni-kl.de cout << "* Trace Details:" << fixed << endl 26811555Sjungma@eit.uni-kl.de << endl << "#ACT commands: " << c.numberofacts 26911555Sjungma@eit.uni-kl.de << endl << "#RD + #RDA commands: " << c.numberofreads 27011555Sjungma@eit.uni-kl.de << endl << "#WR + #WRA commands: " << c.numberofwrites 27111555Sjungma@eit.uni-kl.de /* #PRE commands (precharge all counts a number of #PRE commands equal to the number of active banks) */ 27211555Sjungma@eit.uni-kl.de << endl << "#PRE (+ PREA) commands: " << c.numberofpres 27311555Sjungma@eit.uni-kl.de << endl << "#REF commands: " << c.numberofrefs 27411555Sjungma@eit.uni-kl.de << endl << "#Active Cycles: " << c.actcycles 27511555Sjungma@eit.uni-kl.de << endl << " #Active Idle Cycles: " << c.idlecycles_act 27611555Sjungma@eit.uni-kl.de << endl << " #Active Power-Up Cycles: " << c.pup_act_cycles 27711555Sjungma@eit.uni-kl.de << endl << " #Auto-Refresh Active cycles during Self-Refresh Power-Up: " << c.spup_ref_act_cycles 27811555Sjungma@eit.uni-kl.de << endl << "#Precharged Cycles: " << c.precycles 27911555Sjungma@eit.uni-kl.de << endl << " #Precharged Idle Cycles: " << c.idlecycles_pre 28011555Sjungma@eit.uni-kl.de << endl << " #Precharged Power-Up Cycles: " << c.pup_pre_cycles 28111555Sjungma@eit.uni-kl.de << endl << " #Auto-Refresh Precharged cycles during Self-Refresh Power-Up: " << c.spup_ref_pre_cycles 28211555Sjungma@eit.uni-kl.de << endl << " #Self-Refresh Power-Up Cycles: " << c.spup_cycles 28311555Sjungma@eit.uni-kl.de << endl << "Total Idle Cycles (Active + Precharged): " << c.idlecycles_act + c.idlecycles_pre 28411555Sjungma@eit.uni-kl.de << endl << "#Power-Downs: " << c.f_act_pdns + c.s_act_pdns + c.f_pre_pdns + c.s_pre_pdns 28511555Sjungma@eit.uni-kl.de << endl << " #Active Fast-exit Power-Downs: " << c.f_act_pdns 28611555Sjungma@eit.uni-kl.de << endl << " #Active Slow-exit Power-Downs: " << c.s_act_pdns 28711555Sjungma@eit.uni-kl.de << endl << " #Precharged Fast-exit Power-Downs: " << c.f_pre_pdns 28811555Sjungma@eit.uni-kl.de << endl << " #Precharged Slow-exit Power-Downs: " << c.s_pre_pdns 28911555Sjungma@eit.uni-kl.de << endl << "#Power-Down Cycles: " << c.f_act_pdcycles + c.s_act_pdcycles + c.f_pre_pdcycles + c.s_pre_pdcycles 29011555Sjungma@eit.uni-kl.de << endl << " #Active Fast-exit Power-Down Cycles: " << c.f_act_pdcycles 29111555Sjungma@eit.uni-kl.de << endl << " #Active Slow-exit Power-Down Cycles: " << c.s_act_pdcycles 29211555Sjungma@eit.uni-kl.de << endl << " #Auto-Refresh Active cycles during Self-Refresh: " << c.sref_ref_act_cycles 29311555Sjungma@eit.uni-kl.de << endl << " #Precharged Fast-exit Power-Down Cycles: " << c.f_pre_pdcycles 29411555Sjungma@eit.uni-kl.de << endl << " #Precharged Slow-exit Power-Down Cycles: " << c.s_pre_pdcycles 29511555Sjungma@eit.uni-kl.de << endl << " #Auto-Refresh Precharged cycles during Self-Refresh: " << c.sref_ref_pre_cycles 29611555Sjungma@eit.uni-kl.de << endl << "#Auto-Refresh Cycles: " << c.numberofrefs * memTimingSpec.RFC 29711555Sjungma@eit.uni-kl.de << endl << "#Self-Refreshes: " << c.numberofsrefs 29811555Sjungma@eit.uni-kl.de << endl << "#Self-Refresh Cycles: " << c.sref_cycles 29911555Sjungma@eit.uni-kl.de << endl << "----------------------------------------" 30011555Sjungma@eit.uni-kl.de << endl << "Total Trace Length (clock cycles): " << total_cycles 30111555Sjungma@eit.uni-kl.de << endl << "----------------------------------------" << endl; 30211555Sjungma@eit.uni-kl.de 30310428Sandreas.hansson@arm.com cout.precision(2); 30411555Sjungma@eit.uni-kl.de cout << endl << "* Trace Power and Energy Estimates:" << endl 30511555Sjungma@eit.uni-kl.de << endl << "ACT Cmd Energy: " << energy.act_energy << eUnit 30611555Sjungma@eit.uni-kl.de << endl << "PRE Cmd Energy: " << energy.pre_energy << eUnit 30711555Sjungma@eit.uni-kl.de << endl << "RD Cmd Energy: " << energy.read_energy << eUnit 30811555Sjungma@eit.uni-kl.de << endl << "WR Cmd Energy: " << energy.write_energy << eUnit; 30910428Sandreas.hansson@arm.com 31010428Sandreas.hansson@arm.com if (term) { 31111555Sjungma@eit.uni-kl.de cout << "RD I/O Energy: " << energy.read_io_energy << eUnit << endl; 31210428Sandreas.hansson@arm.com // No Termination for LPDDR/2/3 and DDR memories 31310428Sandreas.hansson@arm.com if (memSpec.memArchSpec.termination) { 31411555Sjungma@eit.uni-kl.de cout << "WR Termination Energy: " << energy.write_term_energy << eUnit << endl; 31510428Sandreas.hansson@arm.com } 31610428Sandreas.hansson@arm.com 31711555Sjungma@eit.uni-kl.de if (nRanks > 1 && memSpec.memArchSpec.termination) { 31811555Sjungma@eit.uni-kl.de cout << "RD Termination Energy (Idle rank): " << energy.read_oterm_energy << eUnit 31911555Sjungma@eit.uni-kl.de << endl << "WR Termination Energy (Idle rank): " << energy.write_oterm_energy << eUnit << endl; 32010428Sandreas.hansson@arm.com } 32110428Sandreas.hansson@arm.com } 32211555Sjungma@eit.uni-kl.de 32311555Sjungma@eit.uni-kl.de double nRanksDouble = static_cast<double>(nRanks); 32411555Sjungma@eit.uni-kl.de 32511555Sjungma@eit.uni-kl.de cout << "ACT Stdby Energy: " << nRanksDouble * energy.act_stdby_energy << eUnit 32611555Sjungma@eit.uni-kl.de << endl << " Active Idle Energy: " << nRanksDouble * energy.idle_energy_act << eUnit 32711555Sjungma@eit.uni-kl.de << endl << " Active Power-Up Energy: " << nRanksDouble * energy.pup_act_energy << eUnit 32811555Sjungma@eit.uni-kl.de << endl << " Active Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: " << nRanksDouble * energy.spup_ref_act_energy << eUnit 32911555Sjungma@eit.uni-kl.de << endl << "PRE Stdby Energy: " << nRanksDouble * energy.pre_stdby_energy << eUnit 33011555Sjungma@eit.uni-kl.de << endl << " Precharge Idle Energy: " << nRanksDouble * energy.idle_energy_pre << eUnit 33111555Sjungma@eit.uni-kl.de << endl << " Precharged Power-Up Energy: " << nRanksDouble * energy.pup_pre_energy << eUnit 33211555Sjungma@eit.uni-kl.de << endl << " Precharge Stdby Energy during Auto-Refresh cycles in Self-Refresh Power-Up: " << nRanksDouble * energy.spup_ref_pre_energy << eUnit 33311555Sjungma@eit.uni-kl.de << endl << " Self-Refresh Power-Up Energy: " << nRanksDouble * energy.spup_energy << eUnit 33411555Sjungma@eit.uni-kl.de << endl << "Total Idle Energy (Active + Precharged): " << nRanksDouble * (energy.idle_energy_act + energy.idle_energy_pre) << eUnit 33511555Sjungma@eit.uni-kl.de << 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 33611555Sjungma@eit.uni-kl.de << endl << " Fast-Exit Active Power-Down Energy: " << nRanksDouble * energy.f_act_pd_energy << eUnit 33711555Sjungma@eit.uni-kl.de << endl << " Slow-Exit Active Power-Down Energy: " << nRanksDouble * energy.s_act_pd_energy << eUnit 33811555Sjungma@eit.uni-kl.de << endl << " Slow-Exit Active Power-Down Energy during Auto-Refresh cycles in Self-Refresh: " << nRanksDouble * energy.sref_ref_act_energy << eUnit 33911555Sjungma@eit.uni-kl.de << endl << " Fast-Exit Precharged Power-Down Energy: " << nRanksDouble * energy.f_pre_pd_energy << eUnit 34011555Sjungma@eit.uni-kl.de << endl << " Slow-Exit Precharged Power-Down Energy: " << nRanksDouble * energy.s_pre_pd_energy << eUnit 34111555Sjungma@eit.uni-kl.de << endl << " Slow-Exit Precharged Power-Down Energy during Auto-Refresh cycles in Self-Refresh: " << nRanksDouble * energy.sref_ref_pre_energy << eUnit 34211555Sjungma@eit.uni-kl.de << endl << "Auto-Refresh Energy: " << energy.ref_energy << eUnit 34311555Sjungma@eit.uni-kl.de << endl << "Self-Refresh Energy: " << nRanksDouble * energy.sref_energy << eUnit 34411555Sjungma@eit.uni-kl.de << endl << "----------------------------------------" 34511555Sjungma@eit.uni-kl.de << endl << "Total Trace Energy: " << energy.total_energy << eUnit 34611555Sjungma@eit.uni-kl.de << endl << "Average Power: " << power.average_power << " mW" 34711555Sjungma@eit.uni-kl.de << endl << "----------------------------------------" << endl; 34811555Sjungma@eit.uni-kl.de 34911555Sjungma@eit.uni-kl.de cout.flags(flags); 35011555Sjungma@eit.uni-kl.de cout.precision(precision); 35110428Sandreas.hansson@arm.com} // MemoryPowerModel::power_print 35210428Sandreas.hansson@arm.com 35310428Sandreas.hansson@arm.com// Self-refresh active energy estimation (not including background energy) 35410428Sandreas.hansson@arm.comdouble MemoryPowerModel::engy_sref(double idd6, double idd3n, double idd5, 35510428Sandreas.hansson@arm.com double vdd, double sref_cycles, double sref_ref_act_cycles, 35610428Sandreas.hansson@arm.com double sref_ref_pre_cycles, double spup_ref_act_cycles, 35710428Sandreas.hansson@arm.com double spup_ref_pre_cycles, double clk) 35810428Sandreas.hansson@arm.com{ 35910428Sandreas.hansson@arm.com double sref_energy; 36010428Sandreas.hansson@arm.com 36110428Sandreas.hansson@arm.com sref_energy = ((idd6 * sref_cycles) + ((idd5 - idd3n) * (sref_ref_act_cycles 36210428Sandreas.hansson@arm.com + spup_ref_act_cycles + sref_ref_pre_cycles + spup_ref_pre_cycles))) 36310428Sandreas.hansson@arm.com * vdd * clk; 36410428Sandreas.hansson@arm.com return sref_energy; 36510428Sandreas.hansson@arm.com} 36610428Sandreas.hansson@arm.com 36710428Sandreas.hansson@arm.com// IO and Termination power calculation based on Micron Power Calculators 36810428Sandreas.hansson@arm.com// Absolute power measures are obtained from Micron Power Calculator (mentioned in mW) 36911555Sjungma@eit.uni-kl.devoid MemoryPowerModel::io_term_power(const MemorySpecification& memSpec) 37010428Sandreas.hansson@arm.com{ 37111555Sjungma@eit.uni-kl.de const MemTimingSpec& memTimingSpec = memSpec.memTimingSpec; 37211555Sjungma@eit.uni-kl.de const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec; 37311555Sjungma@eit.uni-kl.de const MemPowerSpec& memPowerSpec = memSpec.memPowerSpec; 37410428Sandreas.hansson@arm.com 37510428Sandreas.hansson@arm.com power.IO_power = memPowerSpec.ioPower; // in mW 37610428Sandreas.hansson@arm.com power.WR_ODT_power = memPowerSpec.wrOdtPower; // in mW 37710428Sandreas.hansson@arm.com 37810428Sandreas.hansson@arm.com if (memArchSpec.nbrOfRanks > 1) { 37910428Sandreas.hansson@arm.com power.TermRD_power = memPowerSpec.termRdPower; // in mW 38010428Sandreas.hansson@arm.com power.TermWR_power = memPowerSpec.termWrPower; // in mW 38110428Sandreas.hansson@arm.com } 38210428Sandreas.hansson@arm.com 38310428Sandreas.hansson@arm.com if (memPowerSpec.capacitance != 0.0) { 38410428Sandreas.hansson@arm.com // If capacity is given, then IO Power depends on DRAM clock frequency. 38510428Sandreas.hansson@arm.com power.IO_power = memPowerSpec.capacitance * 0.5 * pow(memPowerSpec.vdd2, 2.0) * memTimingSpec.clkMhz * 1000000; 38610428Sandreas.hansson@arm.com } 38710428Sandreas.hansson@arm.com} // MemoryPowerModel::io_term_power 38810428Sandreas.hansson@arm.com 38910428Sandreas.hansson@arm.com 39010428Sandreas.hansson@arm.comdouble MemoryPowerModel::calcIoTermEnergy(int64_t cycles, double period, double power, int64_t numBits) const 39110428Sandreas.hansson@arm.com{ 39210428Sandreas.hansson@arm.com return static_cast<double>(cycles) * period * power * static_cast<double>(numBits); 39310428Sandreas.hansson@arm.com} 39410428Sandreas.hansson@arm.com 39510428Sandreas.hansson@arm.com// time (t) * current (I) * voltage (V) energy calculation 39610428Sandreas.hansson@arm.comdouble EnergyDomain::calcTivEnergy(int64_t cycles, double current) const 39710428Sandreas.hansson@arm.com{ 39810428Sandreas.hansson@arm.com return static_cast<double>(cycles) * clkPeriod * current * voltage; 39910428Sandreas.hansson@arm.com} 400