Set up testing infrastructure for Cache
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src/simulator/main.cpp
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187
src/simulator/main.cpp
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/*
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* Copyright (c) 2023, Technische Universität Kaiserslautern
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors:
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* Derek Christ
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*/
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#include "simulator/Initiator.h"
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#include "simulator/MemoryManager.h"
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#include "simulator/SimpleInitiator.h"
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#include "simulator/generator/TrafficGenerator.h"
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#include "simulator/hammer/RowHammer.h"
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#include "simulator/player/StlPlayer.h"
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#include "simulator/util.h"
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#include <DRAMSys/simulation/DRAMSysRecordable.h>
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#include <systemc>
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#include <tlm>
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#include <tlm_utils/peq_with_cb_and_phase.h>
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#include <tlm_utils/simple_initiator_socket.h>
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#include <filesystem>
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#include <fstream>
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#include <random>
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static constexpr std::string_view TRACE_DIRECTORY = "traces";
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int sc_main(int argc, char **argv)
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{
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std::filesystem::path resourceDirectory = "configs";
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if (argc >= 3)
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{
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resourceDirectory = argv[2];
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}
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std::filesystem::path baseConfig = resourceDirectory / "ddr5-example.json";
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if (argc >= 2)
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{
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baseConfig = argv[1];
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}
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DRAMSys::Config::Configuration configuration = DRAMSys::Config::from_path(baseConfig.c_str());
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if (!configuration.tracesetup.has_value())
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SC_REPORT_FATAL("Simulator", "No traffic initiators specified");
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DRAMSys::DRAMSysRecordable dramSys("DRAMSys", configuration);
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MemoryManager memoryManager(false);
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std::vector<std::unique_ptr<Initiator>> initiators;
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unsigned int terminatedInitiators = 0;
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auto termianteInitiator = [&initiators, &terminatedInitiators]()
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{
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terminatedInitiators++;
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if (terminatedInitiators == initiators.size())
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sc_core::sc_stop();
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};
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uint64_t totalTransactions{};
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uint64_t transactionsFinished = 0;
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auto transactionFinished = [&totalTransactions, &transactionsFinished]()
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{
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transactionsFinished++;
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loadBar(transactionsFinished, totalTransactions);
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};
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for (auto const &initiator_config : configuration.tracesetup.value())
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{
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uint64_t memorySize = dramSys.getConfig().memSpec->getSimMemSizeInBytes();
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unsigned int dataLength = dramSys.getConfig().memSpec->defaultBytesPerBurst;
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auto initiator = std::visit(
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[=, &memoryManager](auto &&config) -> std::unique_ptr<Initiator>
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{
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using T = std::decay_t<decltype(config)>;
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if constexpr (std::is_same_v<T, DRAMSys::Config::TrafficGenerator> ||
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std::is_same_v<T, DRAMSys::Config::TrafficGeneratorStateMachine>)
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{
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return std::make_unique<TrafficGenerator>(config,
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memoryManager,
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memorySize,
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dataLength,
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transactionFinished,
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termianteInitiator);
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}
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else if constexpr (std::is_same_v<T, DRAMSys::Config::TracePlayer>)
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{
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std::filesystem::path tracePath =
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resourceDirectory / TRACE_DIRECTORY / config.name;
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StlPlayer::TraceType traceType;
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auto extension = tracePath.extension();
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if (extension == ".stl")
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traceType = StlPlayer::TraceType::Absolute;
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else if (extension == ".rtl")
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traceType = StlPlayer::TraceType::Relative;
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else
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{
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std::string report = extension.string() + " is not a valid trace format.";
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SC_REPORT_FATAL("Simulator", report.c_str());
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}
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StlPlayer player(
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tracePath.c_str(), config.clkMhz, dataLength, traceType, false);
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return std::make_unique<SimpleInitiator<StlPlayer>>(config.name.c_str(),
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memoryManager,
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std::nullopt,
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std::nullopt,
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transactionFinished,
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termianteInitiator,
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std::move(player));
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}
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else if constexpr (std::is_same_v<T, DRAMSys::Config::RowHammer>)
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{
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RowHammer hammer(
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config.numRequests, config.clkMhz, config.rowIncrement, dataLength);
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return std::make_unique<SimpleInitiator<RowHammer>>(config.name.c_str(),
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memoryManager,
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1,
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1,
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transactionFinished,
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termianteInitiator,
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std::move(hammer));
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}
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},
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initiator_config);
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totalTransactions += initiator->totalRequests();
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initiator->bind(dramSys.tSocket);
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initiators.push_back(std::move(initiator));
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}
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// Store the starting of the simulation in wall-clock time:
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auto start = std::chrono::high_resolution_clock::now();
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// Start the SystemC simulation
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sc_set_stop_mode(sc_core::SC_STOP_FINISH_DELTA);
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sc_core::sc_start();
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if (!sc_core::sc_end_of_simulation_invoked())
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{
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SC_REPORT_WARNING("sc_main", "Simulation stopped without explicit sc_stop()");
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sc_core::sc_stop();
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}
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auto finish = std::chrono::high_resolution_clock::now();
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std::chrono::duration<double> elapsed = finish - start;
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std::cout << "Simulation took " + std::to_string(elapsed.count()) + " seconds." << std::endl;
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return 0;
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}
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