Refactor configuration library
The configuration library has been refactored to make use of nlohmann macros to reduce boilerplate code. The nlohmann parser callback is used to decide whether to include configuration json objects directly, or if they need to be loaded from a sperate file.
This commit is contained in:
564
tests/tests_configuration/test_configuration.cpp
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564
tests/tests_configuration/test_configuration.cpp
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@@ -0,0 +1,564 @@
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/*
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* Copyright (c) 2021, 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 <DRAMSys/config/DRAMSysConfiguration.h>
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#include <DRAMSys/util/json.h>
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#include <fstream>
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#include <gtest/gtest.h>
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#include <iostream>
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#include <unordered_map>
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using namespace DRAMSys::Config;
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class ConfigurationTest : public ::testing::Test
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{
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protected:
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ConfigurationTest()
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: memSpec(createMemSpec()),
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tracePlayer(createTracePlayer()),
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traceGeneratorOneState(createTraceGeneratorOneState()),
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traceGeneratorMultipleStates(createTraceGeneratorMultipleStates()),
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traceHammer(createTraceHammer())
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{
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}
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static DRAMSys::Config::MemSpec createMemSpec();
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static DRAMSys::Config::TracePlayer createTracePlayer();
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static DRAMSys::Config::TrafficGenerator createTraceGeneratorOneState();
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static DRAMSys::Config::TrafficGeneratorStateMachine createTraceGeneratorMultipleStates();
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static DRAMSys::Config::TraceHammer createTraceHammer();
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DRAMSys::Config::AddressMapping addressMapping{
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{{{0, 1}},
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{{2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}},
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{{16}},
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{{13, 14, 15}},
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{{17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32}},
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{{33}},
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std::nullopt,
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std::nullopt,
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std::nullopt}};
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DRAMSys::Config::McConfig mcConfig{PagePolicyType::Open,
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SchedulerType::FrFcfs,
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0,
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0,
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SchedulerBufferType::Bankwise,
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8,
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CmdMuxType::Oldest,
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RespQueueType::Fifo,
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RefreshPolicyType::AllBank,
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0,
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0,
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PowerDownPolicyType::NoPowerDown,
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ArbiterType::Simple,
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128,
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{}};
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DRAMSys::Config::SimConfig simConfig{0,
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false,
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true,
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false,
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false,
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{"error.csv"},
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42,
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false,
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{"ddr5"},
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true,
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DRAMSys::Config::StoreModeType::NoStorage,
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false,
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false,
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1000};
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DRAMSys::Config::MemSpec memSpec;
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DRAMSys::Config::TracePlayer tracePlayer;
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DRAMSys::Config::TrafficGenerator traceGeneratorOneState;
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DRAMSys::Config::TrafficGeneratorStateMachine traceGeneratorMultipleStates;
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DRAMSys::Config::TraceHammer traceHammer;
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DRAMSys::Config::TraceSetup traceSetup{{tracePlayer, traceGeneratorOneState, traceGeneratorMultipleStates, traceHammer}};
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DRAMSys::Config::Configuration configuration{
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addressMapping,
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mcConfig,
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memSpec,
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simConfig,
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"std::string_simulationId",
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traceSetup
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};
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};
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DRAMSys::Config::MemSpec ConfigurationTest::createMemSpec()
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{
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MemArchitectureSpecType memArchitectureSpec{{{"burstLength", 16},
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{"dataRate", 2},
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{"nbrOfBankGroups", 8},
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{"nbrOfBanks", 16},
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{"nbrOfColumns", 2048},
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{"nbrOfRanks", 1},
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{"nbrOfDIMMRanks", 1},
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{"nbrOfPhysicalRanks", 1},
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{"nbrOfLogicalRanks", 1},
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{"nbrOfRows", 65536},
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{"width", 4},
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{"nbrOfDevices", 8},
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{"nbrOfChannels", 2},
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{"cmdMode", 1},
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{"refMode", 1},
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{"RAAIMT", 32},
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{"RAAMMT", 96},
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{"RAACDR", 1}}};
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MemTimingSpecType memTimingSpec{{{
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{"RCD", 22}, {"PPD", 2}, {"RP", 22}, {"RAS", 52},
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{"RL", 22}, {"RTP", 12}, {"RPRE", 1}, {"RPST", 0},
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{"RDDQS", 0}, {"WL", 20}, {"WPRE", 2}, {"WPST", 0},
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{"WR", 48}, {"CCD_L_slr", 8}, {"CCD_L_WR_slr", 32}, {"CCD_L_WR2_slr", 16},
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{"CCD_S_slr", 8}, {"CCD_S_WR_slr", 8}, {"CCD_dlr", 0}, {"CCD_WR_dlr", 0},
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{"CCD_WR_dpr", 0}, {"RRD_L_slr", 8}, {"RRD_S_slr", 8}, {"RRD_dlr", 0},
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{"FAW_slr", 32}, {"FAW_dlr", 0}, {"WTR_L", 16}, {"WTR_S", 4},
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{"RFC1_slr", 312}, {"RFC2_slr", 208}, {"RFC1_dlr", 0}, {"RFC2_dlr", 0},
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{"RFC1_dpr", 0}, {"RFC2_dpr", 0}, {"RFCsb_slr", 184}, {"RFCsb_dlr", 0},
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{"REFI1", 6240}, {"REFI2", 3120}, {"REFISB", 1560}, {"REFSBRD_slr", 48},
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{"REFSBRD_dlr", 0}, {"RTRS", 2}, {"CPDED", 8}, {"PD", 12},
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{"XP", 12}, {"ACTPDEN", 2}, {"PRPDEN", 2}, {"REFPDEN", 2},
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{"clkMhz", 1600},
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}}};
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return {memArchitectureSpec, "JEDEC_2x8x2Gbx4_DDR5-3200A", "DDR5", memTimingSpec, {}};
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}
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DRAMSys::Config::TracePlayer ConfigurationTest::createTracePlayer()
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{
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DRAMSys::Config::TracePlayer player;
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player.clkMhz = 100;
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player.name = "mytrace.stl";
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return player;
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}
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DRAMSys::Config::TrafficGenerator ConfigurationTest::createTraceGeneratorOneState()
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{
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DRAMSys::Config::TrafficGenerator gen;
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gen.clkMhz = 100;
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gen.name = "MyTestGen";
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gen.numRequests = 1000;
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gen.rwRatio = 0.5;
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gen.addressDistribution = DRAMSys::Config::AddressDistribution::Random;
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gen.addressIncrement = {};
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gen.minAddress = {};
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gen.maxAddress = {};
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gen.clksPerRequest = {};
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return gen;
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}
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DRAMSys::Config::TrafficGeneratorStateMachine ConfigurationTest::createTraceGeneratorMultipleStates()
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{
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DRAMSys::Config::TrafficGeneratorStateMachine gen;
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gen.clkMhz = 100;
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gen.name = "MyTestGen";
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gen.maxPendingReadRequests = 8;
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DRAMSys::Config::TrafficGeneratorActiveState state0;
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state0.numRequests = 1000;
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state0.rwRatio = 0.5;
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state0.addressDistribution = DRAMSys::Config::AddressDistribution::Sequential;
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state0.addressIncrement = 256;
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state0.minAddress = {};
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state0.maxAddress = 1024;
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state0.clksPerRequest = {};
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state0.id = 0;
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DRAMSys::Config::TrafficGeneratorActiveState state1;
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state1.numRequests = 100;
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state1.rwRatio = 0.75;
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state1.addressDistribution = DRAMSys::Config::AddressDistribution::Sequential;
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state1.addressIncrement = 512;
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state1.minAddress = 1024;
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state1.maxAddress = 2048;
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state1.clksPerRequest = {};
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state1.id = 1;
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gen.states.push_back(state0);
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gen.states.push_back(state1);
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DRAMSys::Config::TrafficGeneratorStateTransition transistion0{0, 1, 1.0};
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gen.transitions.push_back(transistion0);
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return gen;
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}
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DRAMSys::Config::TraceHammer ConfigurationTest::createTraceHammer()
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{
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DRAMSys::Config::TraceHammer hammer;
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hammer.clkMhz = 100;
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hammer.name = "MyTestHammer";
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hammer.numRequests = 4000;
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hammer.rowIncrement = 2097152;
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return hammer;
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}
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TEST_F(ConfigurationTest, ToJson)
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{
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json_t config_json;
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config_json["simulation"] = configuration;
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std::ifstream file("reference.json");
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ASSERT_TRUE(file.is_open());
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json_t reference_json = json_t::parse(file);
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std::cout << reference_json.dump(4) << std::endl;
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EXPECT_EQ(config_json, reference_json);
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}
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TEST(Configuration, FromToJson)
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{
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std::ifstream file("reference.json");
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ASSERT_TRUE(file.is_open());
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json_t reference_json = json_t::parse(file);
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DRAMSys::Config::Configuration reference_configuration =
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reference_json["simulation"].get<DRAMSys::Config::Configuration>();
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json_t new_json;
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new_json["simulation"] = reference_configuration;
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EXPECT_EQ(new_json, reference_json);
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}
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TEST_F(ConfigurationTest, DumpConfiguration)
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{
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// This test does not test anything. It just dumps the configuration to stdout for manual
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// inspection.
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json_t json;
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json["simulation"] = configuration;
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std::cout << json.dump(4) << std::endl;
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}
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TEST(Configuration, ResourceDirectory)
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{
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// Test should not throw exceptions
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Configuration config = from_path("resources/ddr5-example.json", "resources");
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}
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TEST(Configuration, FromPath)
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{
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// Test should not throw exceptions
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Configuration config = from_path("reference.json");
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}
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TEST_F(ConfigurationTest, SimConfig)
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{
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std::string_view simconfig_string = R"(
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{
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"simconfig": {
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"AddressOffset": 0,
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"CheckTLM2Protocol": false,
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"DatabaseRecording": true,
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"Debug": false,
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"EnableWindowing": false,
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"ErrorCSVFile": "error.csv",
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"ErrorChipSeed": 42,
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"PowerAnalysis": false,
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"SimulationName": "ddr5",
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"SimulationProgressBar": true,
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"StoreMode": "NoStorage",
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"ThermalSimulation": false,
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"UseMalloc": false,
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"WindowSize": 1000
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}
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}
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)";
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json_t simconfig_reference = json_t::parse(simconfig_string);
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json_t simconfig_test;
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simconfig_test[SimConfig::KEY] = simConfig;
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EXPECT_EQ(simconfig_test, simconfig_reference);
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}
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TEST_F(ConfigurationTest, McConfig)
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{
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std::string_view mcconfig_string = R"(
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{
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"mcconfig": {
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"Arbiter": "Simple",
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"CmdMux": "Oldest",
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"HighWatermark": 0,
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"LowWatermark": 0,
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"MaxActiveTransactions": 128,
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"PagePolicy": "Open",
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"PowerDownPolicy": "NoPowerDown",
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"RefreshMaxPostponed": 0,
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"RefreshMaxPulledin": 0,
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"RefreshPolicy": "AllBank",
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"RequestBufferSize": 8,
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"RespQueue": "Fifo",
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"Scheduler": "FrFcfs",
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"SchedulerBuffer": "Bankwise"
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}
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}
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)";
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json_t mcconfig_reference = json_t::parse(mcconfig_string);
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json_t mcconfig_test;
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mcconfig_test[McConfig::KEY] = mcConfig;
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EXPECT_EQ(mcconfig_test, mcconfig_reference);
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}
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TEST_F(ConfigurationTest, MemSpec)
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{
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std::string_view memspec_string = R"(
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{
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"memspec": {
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"memarchitecturespec": {
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"RAACDR": 1,
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"RAAIMT": 32,
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"RAAMMT": 96,
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"burstLength": 16,
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"cmdMode": 1,
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"dataRate": 2,
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"nbrOfBankGroups": 8,
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"nbrOfBanks": 16,
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"nbrOfChannels": 2,
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"nbrOfColumns": 2048,
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"nbrOfDIMMRanks": 1,
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"nbrOfDevices": 8,
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"nbrOfLogicalRanks": 1,
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"nbrOfPhysicalRanks": 1,
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"nbrOfRanks": 1,
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"nbrOfRows": 65536,
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"refMode": 1,
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"width": 4
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},
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"memoryId": "JEDEC_2x8x2Gbx4_DDR5-3200A",
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"memoryType": "DDR5",
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"memtimingspec": {
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"ACTPDEN": 2,
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"CCD_L_WR2_slr": 16,
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"CCD_L_WR_slr": 32,
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"CCD_L_slr": 8,
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"CCD_S_WR_slr": 8,
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"CCD_S_slr": 8,
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"CCD_WR_dlr": 0,
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"CCD_WR_dpr": 0,
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"CCD_dlr": 0,
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"CPDED": 8,
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"FAW_dlr": 0,
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"FAW_slr": 32,
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"PD": 12,
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"PPD": 2,
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"PRPDEN": 2,
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"RAS": 52,
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"RCD": 22,
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"RDDQS": 0,
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"REFI1": 6240,
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"REFI2": 3120,
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"REFISB": 1560,
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"REFPDEN": 2,
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"REFSBRD_dlr": 0,
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"REFSBRD_slr": 48,
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"RFC1_dlr": 0,
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"RFC1_dpr": 0,
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"RFC1_slr": 312,
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"RFC2_dlr": 0,
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"RFC2_dpr": 0,
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"RFC2_slr": 208,
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"RFCsb_dlr": 0,
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"RFCsb_slr": 184,
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"RL": 22,
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"RP": 22,
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"RPRE": 1,
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"RPST": 0,
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"RRD_L_slr": 8,
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"RRD_S_slr": 8,
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"RRD_dlr": 0,
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"RTP": 12,
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"RTRS": 2,
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"WL": 20,
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"WPRE": 2,
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"WPST": 0,
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"WR": 48,
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"WTR_L": 16,
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"WTR_S": 4,
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"XP": 12,
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"clkMhz": 1600
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}
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}
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}
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)";
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json_t memspec_reference = json_t::parse(memspec_string);
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json_t memspec_test;
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memspec_test[MemSpec::KEY] = memSpec;
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EXPECT_EQ(memspec_test, memspec_reference);
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}
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TEST_F(ConfigurationTest, AddressMapping)
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{
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std::string_view addressmapping_string = R"(
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{
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"CONGEN": {
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"BANKGROUP_BIT": [
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17,
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18,
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19,
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20,
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21,
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22,
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23,
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24,
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25,
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26,
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27,
|
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28,
|
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29,
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30,
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31,
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32
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],
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"BANK_BIT": [
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13,
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14,
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15
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],
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"BYTE_BIT": [
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0,
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1
|
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],
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"COLUMN_BIT": [
|
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2,
|
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3,
|
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4,
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5,
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6,
|
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7,
|
||||
8,
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9,
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10,
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11,
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12
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],
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"RANK_BIT": [
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33
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],
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"ROW_BIT": [
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16
|
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]
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}
|
||||
}
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)";
|
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|
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json_t addressmapping_reference = json_t::parse(addressmapping_string);
|
||||
json_t addressmapping_test = addressMapping;
|
||||
|
||||
EXPECT_EQ(addressmapping_test, addressmapping_reference);
|
||||
}
|
||||
|
||||
TEST_F(ConfigurationTest, TraceSetup)
|
||||
{
|
||||
std::string_view tracesetup_string = R"(
|
||||
{
|
||||
"tracesetup": [
|
||||
{
|
||||
"clkMhz": 100,
|
||||
"name": "mytrace.stl"
|
||||
},
|
||||
{
|
||||
"addressDistribution": "random",
|
||||
"clkMhz": 100,
|
||||
"name": "MyTestGen",
|
||||
"numRequests": 1000,
|
||||
"rwRatio": 0.5
|
||||
},
|
||||
{
|
||||
"clkMhz": 100,
|
||||
"maxPendingReadRequests": 8,
|
||||
"name": "MyTestGen",
|
||||
"states": [
|
||||
{
|
||||
"addressDistribution": "sequential",
|
||||
"addressIncrement": 256,
|
||||
"id": 0,
|
||||
"maxAddress": 1024,
|
||||
"numRequests": 1000,
|
||||
"rwRatio": 0.5
|
||||
},
|
||||
{
|
||||
"addressDistribution": "sequential",
|
||||
"addressIncrement": 512,
|
||||
"id": 1,
|
||||
"maxAddress": 2048,
|
||||
"minAddress": 1024,
|
||||
"numRequests": 100,
|
||||
"rwRatio": 0.75
|
||||
}
|
||||
],
|
||||
"transitions": [
|
||||
{
|
||||
"from": 0,
|
||||
"probability": 1.0,
|
||||
"to": 1
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"clkMhz": 100,
|
||||
"name": "MyTestHammer",
|
||||
"numRequests": 4000,
|
||||
"rowIncrement": 2097152
|
||||
}
|
||||
]
|
||||
}
|
||||
)";
|
||||
|
||||
json_t tracesetup_reference = json_t::parse(tracesetup_string);
|
||||
json_t tracesetup_test;
|
||||
tracesetup_test[TraceSetupConstants::KEY] = traceSetup;
|
||||
|
||||
EXPECT_EQ(tracesetup_test, tracesetup_reference);
|
||||
}
|
||||
Reference in New Issue
Block a user