float run(unsigned kind, unsigned call, size_t threads_number,
size_t alloc_size, unsigned mem_operations_num)
{
TaskFactory task_factory;
std::vector<Thread *> threads;
std::vector<Task *> tasks;
TypesConf func_calls;
TypesConf allocator_types;
func_calls.enable_type(FunctionCalls::FREE);
func_calls.enable_type(call);
allocator_types.enable_type(kind);
TaskConf conf = {
mem_operations_num, //number of memory operations
{
mem_operations_num, //number of memory operations
alloc_size, //min. size of single allocation
alloc_size //max. size of single allocatioion
},
func_calls, //enable function calls
allocator_types, //enable allocators
11, //random seed
false, //do not log memory operations and statistics to csv file
};
for (int i=0; i<threads_number; i++) {
Task *task = task_factory.create(conf);
tasks.push_back(task);
threads.push_back(new Thread(task));
conf.seed += 1;
}
ThreadsManager threads_manager(threads);
threads_manager.start();
threads_manager.barrier();
TimeStats time_stats;
for (int i=0; i<tasks.size(); i++) {
time_stats += tasks[i]->get_results();
}
return time_stats.stats[kind][call].total_time;
}
void run()
{
unsigned mem_operations_num = 10;
size_t threads_number = 50;
bool touch_memory = true;
size_t size_1MB = 1024*1024;
size_t alignment = 2*size_1MB;
size_t alloc_size = 4*size_1MB;
std::vector<Thread*> threads;
std::vector<Task*> tasks;
TimerSysTime timer;
timer.start();
// This bug occurs more frequently under stress of multithreaded allocations.
for (int i=0; i<threads_number; i++) {
Task* task = new HugePageUnmap(mem_operations_num, touch_memory, alignment, alloc_size, HBW_PAGESIZE_2MB);
tasks.push_back(task);
threads.push_back(new Thread(task));
}
float elapsed_time = timer.getElapsedTime();
ThreadsManager threads_manager(threads);
threads_manager.start();
threads_manager.barrier();
threads_manager.release();
//task release
for (int i=0; i<tasks.size(); i++) {
delete tasks[i];
}
RecordProperty("threads_number", threads_number);
RecordProperty("memory_operations_per_thread", mem_operations_num);
RecordProperty("elapsed_time", elapsed_time);
}
