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Eclipse SUMO - Simulation of Urban MObility
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18 #ifndef FXWorkerThread_h
19 #define FXWorkerThread_h
24 #define WORKLOAD_INTERVAL 100
34 #ifdef WORKLOAD_PROFILING
98 #ifdef WORKLOAD_PROFILING
99 , myNumBatches(0), myTotalMaxLoad(0.), myTotalSpread(0.)
102 #ifdef WORKLOAD_PROFILING
103 long long int timeDiff = 0;
104 for (
int i = 0; i < 100; i++) {
105 const auto begin = std::chrono::high_resolution_clock::now();
106 const auto end = std::chrono::high_resolution_clock::now();
107 timeDiff += std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin).count();
111 while (numThreads > 0) {
152 #ifdef WORKLOAD_PROFILING
155 worker->startProfile();
157 myProfileStart = std::chrono::high_resolution_clock::now();
186 void waitAll(
const bool deleteFinished =
true) {
191 #ifdef WORKLOAD_PROFILING
193 const auto end = std::chrono::high_resolution_clock::now();
194 const long long int elapsed = std::chrono::duration_cast<std::chrono::microseconds>(end - myProfileStart).count();
195 double minLoad = std::numeric_limits<double>::max();
198 const double load = worker->endProfile(elapsed);
199 minLoad =
MIN2(minLoad, load);
200 maxLoad =
MAX2(maxLoad, load);
202 #ifdef WORKLOAD_INTERVAL
203 myTotalMaxLoad += maxLoad;
204 myTotalSpread += maxLoad / minLoad;
214 if (deleteFinished) {
224 if (toRaise !=
nullptr) {
273 #ifdef WORKLOAD_PROFILING
277 double myTotalMaxLoad;
279 double myTotalSpread;
281 std::chrono::high_resolution_clock::time_point myProfileStart;
293 #ifdef WORKLOAD_PROFILING
294 , myCounter(0), myBusyTime(0), myTotalBusyTime(0), myTotalTime(0)
307 #ifdef WORKLOAD_PROFILING
308 const double load = 100. * myTotalBusyTime / myTotalTime;
310 " tasks and had a load of " +
toString(load) +
"% (" +
toString(myTotalBusyTime) +
311 "us / " +
toString(myTotalTime) +
"us), " +
toString(myTotalBusyTime / (
double)myCounter) +
" per task.");
346 #ifdef WORKLOAD_PROFILING
347 const auto before = std::chrono::high_resolution_clock::now();
350 #ifdef WORKLOAD_PROFILING
351 const auto after = std::chrono::high_resolution_clock::now();
352 myBusyTime += std::chrono::duration_cast<std::chrono::microseconds>(after - before).count();
376 #ifdef WORKLOAD_PROFILING
377 void startProfile() {
381 double endProfile(
const long long int time) {
383 myTotalBusyTime += myBusyTime;
384 return time == 0 ? 100. : 100. * myBusyTime / time;
401 #ifdef WORKLOAD_PROFILING
405 long long int myBusyTime;
407 long long int myTotalBusyTime;
409 long long int myTotalTime;
std::list< Task * > myCurrentTasks
the list of tasks which are currently calculated
int myRunningIndex
the running index for the next task
FXMutex myMutex
the internal mutex for the task list
std::list< Task * > myFinishedTasks
list of finished tasks
Pool & myPool
the pool for this thread
virtual ~Pool()
Destructor.
void stop()
Stops the thread.
int size() const
Returns the number of threads in the pool.
void waitAll(const bool deleteFinished=true)
waits for all tasks to be finished
void addFinished(std::list< Task * > &tasks)
Adds the given tasks to the list of finished tasks.
bool isFull() const
Checks whether there are currently more pending tasks than threads.
void addWorker(FXWorkerThread *const w)
Adds the given thread to the pool.
bool myStopped
whether we are still running
FXint run()
Main execution method of this thread.
void unlock()
unlocks the pool mutex
FXCondition myCondition
the semaphore when waiting for new tasks
void lock()
locks the pool mutex
Pool(int numThreads=0)
Constructor.
virtual ~FXWorkerThread()
Destructor.
virtual void run(FXWorkerThread *context)=0
Abstract method which in subclasses should contain the computations to be performed.
int myIndex
the index of the task, valid only after the task has been added to the pool
FXWorkerThread(Pool &pool)
Constructor.
std::string toString(const T &t, std::streamsize accuracy=gPrecision)
virtual ~Task()
Desctructor.
FXMutex myMutex
the mutex for the task list
A pool of worker threads which distributes the tasks and collects the results.
void setException(ProcessError &e)
#define WORKLOAD_INTERVAL
void add(Task *const t, int index=-1)
Gives a number to the given task and assigns it to the worker with the given index....
FXCondition myCondition
the semaphore to wait on for finishing all tasks
void add(Task *t)
Adds the given task to this thread to be calculated.
void clear()
Stops and deletes all worker threads.
std::vector< FXWorkerThread * > myWorkers
the current worker threads
Abstract superclass of a task to be run with an index to keep track of pending tasks.
ProcessError * myException
the exception from a child thread
FXMutex myPoolMutex
the pool mutex for external sync
std::list< Task * > myTasks
the list of pending tasks
void setIndex(const int newIndex)
Sets the running index of this task.
#define WRITE_MESSAGE(msg)
A thread repeatingly calculating incoming tasks.