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-rw-r--r--Simulator/src/database/Database.cpp308
1 files changed, 0 insertions, 308 deletions
diff --git a/Simulator/src/database/Database.cpp b/Simulator/src/database/Database.cpp
deleted file mode 100644
index f9ef6f7e..00000000
--- a/Simulator/src/database/Database.cpp
+++ /dev/null
@@ -1,308 +0,0 @@
-#include "database/Database.h"
-#include "database/Queries.h"
-#include "database/QueryExecuter.h"
-
-#include "modeling/ModelingTypes.h"
-#include "modeling/machine/CPU.h"
-
-#include "simulation/schedulers/ShortestRemainingTimeScheduler.h"
-
-#include <sqlite3.h>
-#include <assert.h>
-#include "simulation/Experiment.h"
-#include "simulation/schedulers/FirstInFirstOutScheduler.h"
-
-namespace Database
-{
- Database::Database(char* name)
- {
- int rc = sqlite3_open_v2(name, &db, SQLITE_OPEN_READWRITE, NULL);
- assert(rc == SQLITE_OK);
- }
-
- Database::~Database()
- {
- int rc = sqlite3_close_v2(db);
- assert(rc == SQLITE_OK);
- }
-
- void Database::startTransaction() const
- {
- sqlite3_exec(db, "BEGIN TRANSACTION;", NULL, NULL, NULL);
- }
-
- void Database::endTransaction() const
- {
- sqlite3_exec(db, "END TRANSACTION;", NULL, NULL, NULL);
- }
-
- void Database::writeExperimentHistory(Simulation::Experiment& experiment) const
- {
- auto history = experiment.getHistory();
-
- auto workloadHistory = std::get<0>(history.getHistory());
-
- QueryExecuter<> writeWorkloadStateQuery(db);
- writeWorkloadStateQuery.setQuery(Queries::WRITE_WORKLOAD_STATE);
- std::for_each(workloadHistory.get().begin(), workloadHistory.get().end(), [&](const auto& pair) {
- uint32_t tick = pair.first;
- Simulation::WorkloadSnapshot snapshot = pair.second;
-
- uint32_t id = snapshot.id;
- uint32_t flopsDone = snapshot.flopsDone;
- uint32_t coresUsed = snapshot.coresUsed;
- writeWorkloadStateQuery.reset()
- .bindParams<int, int, int, int, int>(id, experiment.getId(), tick, flopsDone, coresUsed)
- .executeOnce();
- });
-
- auto machineHistory = std::get<1>(history.getHistory());
-
- QueryExecuter<> writeMachineStateQuery(db);
- writeMachineStateQuery.setQuery(Queries::WRITE_MACHINE_STATE);
-
- std::for_each(machineHistory.get().begin(), machineHistory.get().end(), [&](const auto& pair) {
- uint32_t tick = pair.first;
- Simulation::MachineSnapshot snapshot = pair.second;
-
- uint32_t id = snapshot.id;
- uint32_t workloadId = snapshot.currentWorkload;
- float temp = snapshot.temperature;
- float load = snapshot.loadFraction;
-
- uint32_t mem = snapshot.usedMemory;
- writeMachineStateQuery.reset()
- .bindParams<int, int, int, int, float, int, float>(workloadId, id, experiment.getId(), tick, temp, mem, load)
- .executeOnce();
- });
-
- history.clearHistory();
-
- uint32_t lastSimulatedTick = experiment.getCurrentTick() != 0 ? experiment.getCurrentTick() - 1 : 0;
- QueryExecuter<> writeLastSimulatedTick(db);
- writeLastSimulatedTick.setQuery(Queries::WRITE_EXPERIMENT_LAST_SIMULATED_TICK)
- .bindParams<int, int>(lastSimulatedTick, experiment.getId())
- .executeOnce();
- }
-
- int Database::pollQueuedExperiments() const
- {
- QueryExecuter<int> q(db);
- q.setQuery(Queries::GET_QUEUED_EXPERIMENTS);
- bool hasRow = q.step();
- if(hasRow)
- return q.result().get<int, 0>();
- return -1;
- }
-
- void Database::dequeueExperiment(int experimentId) const
- {
- QueryExecuter<> q(db);
- q.setQuery(Queries::SET_EXPERIMENT_STATE_SIMULATING)
- .bindParams<int>(experimentId)
- .executeOnce();
- }
-
- void Database::finishExperiment(int id) const
- {
- QueryExecuter<> q(db);
- q.setQuery(Queries::SET_EXPERIMENT_STATE_FINISHED)
- .bindParams<int>(id)
- .executeOnce();
- }
-
-
- Simulation::Experiment Database::createExperiment(uint32_t experimentId)
- {
- // Retrieves the experiment data by ID
- QueryExecuter<int, int, int, int, std::string, std::string> q(db);
- QueryResult<int, int, int, int, std::string, std::string> qres = q
- .setQuery(Queries::GET_EXPERIMENT_BY_ID)
- .bindParams<int>(experimentId)
- .executeOnce();
-
- // Sets the scheduler of the datacenter
- Simulation::Scheduler* scheduler = loadScheduler(experimentId);
-
- int pathId = qres.get<int, 2>();
- Simulation::Path path = Simulation::Path(pathId);
-
- QueryExecuter<int, int, int, int> q2(db);
- std::vector<QueryResult<int, int, int, int>> q2res = q2
- .setQuery(Queries::GET_SECTION_BY_PATH_ID)
- .bindParams<int>(pathId)
- .execute();
-
- // Retrieve workloads of trace
- Simulation::WorkloadPool pool = loadWorkloads(experimentId);
-
- std::for_each(q2res.begin(), q2res.end(), [&](QueryResult<int, int, int, int> r) {
- int datacenterId = r.get<int, 2>();
- int startTick = r.get<int, 3>();
- DefaultDatacenter datacenter = loadDatacenter(datacenterId);
- DefaultSection section(datacenter, startTick);
-
- path.addSection(section);
- });
-
- Simulation::Experiment experiment(path, scheduler, pool, experimentId);
-
- return experiment;
- }
-
- Simulation::Scheduler* Database::loadScheduler(uint32_t experimentId) const
- {
- std::string name = QueryExecuter<std::string>(db)
- .setQuery(Queries::GET_SCHEDULER_TYPE_OF_EXPERIMENT)
- .bindParams<int>(experimentId)
- .executeOnce()
- .get<std::string, 0>();
-
- // Retrieve scheduler
- Simulation::Scheduler* scheduler = nullptr;
- if(name == "DEFAULT")
- scheduler = new Simulation::FirstInFirstOutScheduler();
- else if(name == "SRTF") // Shortest remaining time first
- scheduler = new Simulation::ShortestRemainingTimeScheduler();
- else if(name == "FIFO")
- scheduler = new Simulation::FirstInFirstOutScheduler();
-
- assert(scheduler != nullptr);
- return scheduler;
- }
-
- DefaultDatacenter Database::loadDatacenter(uint32_t datacenterId) const
- {
- DefaultDatacenter datacenter;
-
- // Retrieves a vector of rooms of the datacenter
- std::vector<QueryResult<int, std::string, int, std::string>> rooms = QueryExecuter<int, std::string, int, std::string>(db)
- .setQuery(Queries::GET_ROOMS_OF_DATACENTER)
- .bindParams<int>(datacenterId)
- .execute();
-
- // Get machines of rooms
- for(auto& room : rooms)
- {
- int id = room.get<int, 0>();
- Modeling::ServerRoom serverRoom(id);
-
- // Retrieves the racks in the room
- auto racks = QueryExecuter<int, std::string, int>(db)
- .setQuery(Queries::GET_RACKS_OF_ROOM)
- .bindParams<int>(id)
- .execute();
-
- for(auto& queryResult : racks)
- {
- int rackId = queryResult.get<int, 0>();
-
- // Retrieves the machines in the rack
- auto machinesResult = QueryExecuter<int, int>(db)
- .setQuery(Queries::GET_MACHINES_OF_RACK)
- .bindParams<int>(rackId)
- .execute();
-
- std::unordered_map<uint32_t, Modeling::Machine> machines;
- for(auto& qr : machinesResult)
- {
- int position = qr.get<int, 1>();
- int machineId = qr.get<int, 0>();
- machines.emplace(position, Modeling::Machine(machineId));
- }
-
- Modeling::Rack rack(rackId, machines);
-
- // Retrieves the cpus in the rack
- auto cpus = QueryExecuter<int, int, int, int, int>(db)
- .setQuery(Queries::GET_CPUS_IN_RACK)
- .bindParams<int>(rackId)
- .execute();
-
- for(auto& cpu : cpus)
- {
- int slot = cpu.get<int, 0>();
- int speed = cpu.get<int, 1>();
- int cores = cpu.get<int, 2>();
- int energyConsumption = cpu.get<int, 3>();
- int failureModelId = cpu.get<int, 4>();
-
- rack.getMachineAtSlot(slot).addCPU(Modeling::CPU(speed, cores, energyConsumption, failureModelId));
- }
-
- // Retrieves the gpus in the rack
- auto gpus = QueryExecuter<int, int, int, int, int>(db)
- .setQuery(Queries::GET_GPUS_IN_RACK)
- .bindParams<int>(rackId)
- .execute();
-
- for(auto& gpu : gpus)
- {
- int machineSlot = gpu.get<int, 0>();
- int speed = gpu.get<int, 1>();
- int cores = gpu.get<int, 2>();
- int energyConsumption = gpu.get<int, 3>();
- int failureModelId = gpu.get<int, 4>();
-
- rack.getMachineAtSlot(machineSlot).addGPU(Modeling::GPU(speed, cores, energyConsumption, failureModelId));
- }
-
- serverRoom.addEntity<Modeling::Rack>(rack);
- }
-
- datacenter.addRoomOfType<Modeling::ServerRoom>(serverRoom);
- }
-
- return datacenter;
- }
-
- Simulation::WorkloadPool Database::loadWorkloads(uint32_t simulationSectionId) const
- {
- Simulation::WorkloadPool pool;
-
- std::vector<QueryResult<int, int, int, int, int, std::string>> tasks;
- // Fetch tasks from database
- {
- // Retrieves the traceId corresponding to the simulation section
- QueryExecuter<int> q(db);
- int traceId = q
- .setQuery(Queries::GET_TRACE_OF_EXPERIMENT)
- .bindParams<int>(simulationSectionId)
- .executeOnce()
- .get<int, 0>();
-
- // Retrieves the tasks that belong to the traceId
- QueryExecuter<int, int, int, int, int, std::string> q2(db);
- tasks = q2
- .setQuery(Queries::GET_TASKS_OF_TRACE)
- .bindParams<int>(traceId)
- .execute();
- }
-
- // Create workloads from tasks
- for(auto& row : tasks)
- {
- int id = row.get<int, 0>();
- int startTick = row.get<int, 1>();
- int totalFlopCount = row.get<int, 2>();
- int traceId = row.get<int, 3>();
- int dependency = row.get<int, 4>();
- std::string parallelizability = row.get<std::string, 5>();
- bool parallel = false;
- if (parallelizability == "PARALLEL")
- {
- parallel = true;
- }
-
- // TODO possibly wait and batch?
- Simulation::Workload workload(totalFlopCount, startTick, id, traceId, dependency, parallel);
- if(dependency == 0)
- workload.dependencyFinished = true;
-
- pool.addWorkload(workload);
- }
-
- return pool;
- }
-}
-