gem5/ext/drampower/test/libdrampowertest/lib_test.cc

/*
 * Copyright (c) 2014, TU Delft, TU Eindhoven and 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: Matthias Jung, Omar Naji, Felipe S. Prado
 *
 */

#include <iostream>
#include <string>
#include "libdrampower/LibDRAMPower.h"

#if USE_XERCES
#include "xmlparser/MemSpecParser.h"
#endif

using namespace std;
using namespace Data;

int main(int argc, char* argv[])
{
  assert(argc == 2);
  //Setup of DRAMPower for your simulation
  string filename;
  //type path to memspec file
  filename = argv[1];
  //Parsing the Memspec specification of found in memspec folder
#if USE_XERCES
  MemorySpecification memSpec(MemSpecParser::getMemSpecFromXML(filename));
#else
  MemorySpecification memSpec;
#endif
  libDRAMPower test = libDRAMPower(memSpec, 0);

  ios_base::fmtflags flags = cout.flags();
  streamsize precision = cout.precision();
  cout.precision(2);
  cout << fixed << endl;

  // During the simulation you can report activity
  // to DRAMPower with the doCommand(...) function:
  test.doCommand(MemCommand::ACT,0,35);
  test.doCommand(MemCommand::RDA,0,50);
  test.doCommand(MemCommand::ACT,4,51);
  test.doCommand(MemCommand::RDA,4,66);
  test.doCommand(MemCommand::ACT,0,86);
  test.doCommand(MemCommand::RDA,0,101);
  test.doCommand(MemCommand::ACT,2,102);
  test.doCommand(MemCommand::RDA,2,117);
  test.doCommand(MemCommand::ACT,5,119);
  test.doCommand(MemCommand::RDA,5,134);
  test.doCommand(MemCommand::ACT,0,137);
  test.doCommand(MemCommand::RDA,0,152);
  test.doCommand(MemCommand::ACT,3,159);
  test.doCommand(MemCommand::RDA,3,174);
  test.doCommand(MemCommand::ACT,0,195);
  test.doCommand(MemCommand::RDA,0,210);
  test.doCommand(MemCommand::ACT,4,232);
  test.doCommand(MemCommand::WRA,4,247);
  // Need at least tWRAPDEN = AL + CWL + BL/2 + WR + 1 cycles between WR and PDN_F_PRE
  test.doCommand(MemCommand::PDN_F_PRE,3,265);
  // Exit from Precharge Power-down
  test.doCommand(MemCommand::PUP_PRE,3,300);
  // Activate bank 0
  test.doCommand(MemCommand::ACT,0,350);
  // Precharge all banks with bank 0 active
  test.doCommand(MemCommand::PREA,0,400);
  // Precharge all banks again
  // XXX: For testing purpose only! Double precharge all should never
  // happen. Warnings are generated.
  test.doCommand(MemCommand::PREA,0,450);
  // Activate bank 0 twice
  // XXX: For testing purpose only! Double activate should never happen.
  // Warnings are generated.
  test.doCommand(MemCommand::ACT,0,500);
  test.doCommand(MemCommand::ACT,0,550);
  // Precharge bank 0 twice
  // XXX: For testing purpose only! Double precharge for the same bank
  // should never happen. Warnings are generated.
  test.doCommand(MemCommand::PRE,0,600);
  test.doCommand(MemCommand::PRE,0,650);

  // At the end of your simulation call the getEnergy(...)
  // function to print the power report
  test.calcEnergy();

  // Accesing the results:

  // Number of issued Commands
  std::cout << "Number of ACTs: " << std::accumulate(test.counters.numberofactsBanks.begin(),
      test.counters.numberofactsBanks.end()
      ,0)<< endl;
  std::cout << "Number of RDs: " << std::accumulate(test.counters.numberofreadsBanks.begin(),
      test.counters.numberofreadsBanks.end()
      ,0)<< endl;
  std::cout << "Number of PREs: " << std::accumulate(test.counters.numberofpresBanks.begin(),
      test.counters.numberofpresBanks.end()
      ,0)<< endl;
  // many other timing parameters in test.mpm.timings

  //ENERGIES per Rank
  std::cout << "ACT Cmd Energy: " << test.getEnergy().act_energy << " pJ" << endl;
  std::cout << "PRE Cmd Energy: " << test.getEnergy().pre_energy << " pJ" << endl;
  std::cout << "RD Cmd Energy: " << test.getEnergy().read_energy << " pJ" << endl;
  std::cout << "WR Cmd Energy: "  << test.getEnergy().write_energy << " pJ" << endl << endl;
  //Standby Energy for 1 rank
  //In total energy calculated for both ranks= test.memSpec.memArchSpec *
  //test.getEnergy().act_stdby_energy
  std::cout << "ACT Stdby Energy: "  << test.getEnergy().act_stdby_energy << " pJ" << endl;
  //total active standby energy for both ranks
  std::cout << "ACT Stdby Energy total ranks: "  << static_cast<double>(memSpec.memArchSpec.nbrOfRanks) *
    test.getEnergy().act_stdby_energy << " pJ" << endl ;
  std::cout << "PRE Stdby Energy: " << test.getEnergy().pre_stdby_energy << " pJ" << endl << endl;
  std::cout << "Total Trace Energy: " <<  test.getEnergy().total_energy << " pJ" <<  endl;
  //many other energies in test.mpm.energy

  //Powers per Rank
  std::cout << "Average Power: " << test.getPower().average_power <<  " mW" <<  endl;
  //many other powers in test.getPower()

  cout.flags(flags);
  cout.precision(precision);

  return 0;
}