PTL::TaskRunManager Class Reference

#include <TaskRunManager.hh>

Inheritance diagram for PTL::TaskRunManager:

Public Types
using	pointer = TaskRunManager *

Public Member Functions
	TaskRunManager (bool useTBB=false)
virtual	~TaskRunManager ()
virtual int	GetNumberOfThreads () const
virtual size_t	GetNumberActiveThreads () const
virtual void	Initialize (uint64_t n=std::thread::hardware_concurrency())
virtual void	Terminate ()
ThreadPool *	GetThreadPool () const
TaskManager *	GetTaskManager () const
bool	IsInitialized () const
int	GetVerbose () const
void	SetVerbose (int val)

Static Public Member Functions
static TaskRunManager *	GetInstance (bool useTBB=false)
static TaskRunManager *	GetMasterRunManager (bool useTBB=false)

Protected Attributes
bool	m_is_initialized = false
int	m_verbose = 0
uint64_t	m_workers = 0
VUserTaskQueue *	m_task_queue = nullptr
ThreadPool *	m_thread_pool = nullptr
TaskManager *	m_task_manager = nullptr

Detailed Description

Definition at line 41 of file TaskRunManager.hh.

Member Typedef Documentation

pointer

using PTL::TaskRunManager::pointer = TaskRunManager*

Definition at line 44 of file TaskRunManager.hh.

Constructor & Destructor Documentation

TaskRunManager()

TaskRunManager::TaskRunManager ( bool  useTBB = false )

explicit

Definition at line 76 of file TaskRunManager.cc.

: m_workers(std::thread::hardware_concurrency())
{
    if(!GetPrivateMasterRunManager())
        GetPrivateMasterRunManager() = this;
 
#if defined(PTL_USE_TBB)
    auto _useTBB = GetEnv<bool>("PTL_FORCE_TBB", GetEnv<bool>("FORCE_TBB", useTBB));
    if(_useTBB)
        useTBB = true;
#endif
 
    // handle TBB
    ThreadPool::set_use_tbb(useTBB);
    m_workers = GetEnv<uint64_t>("PTL_NUM_THREADS", m_workers);
}

~TaskRunManager()

TaskRunManager::~TaskRunManager ( )

virtual

Definition at line 95 of file TaskRunManager.cc.

{
    if(GetPrivateMasterRunManager() == this)
        GetPrivateMasterRunManager() = nullptr;
}

Member Function Documentation

GetInstance()

TaskRunManager * TaskRunManager::GetInstance ( bool  useTBB = false )

static

Definition at line 69 of file TaskRunManager.cc.

{
    return GetMasterRunManager(useTBB);
}

GetMasterRunManager()

TaskRunManager * TaskRunManager::GetMasterRunManager ( bool  useTBB = false )

static

Definition at line 60 of file TaskRunManager.cc.

{
    auto& _v = GetPrivateMasterRunManager(true, useTBB);
    return _v;
}

Referenced by PTL::internal::get_default_threadpool(), PTL::TaskManager::GetInstance(), GetInstance(), and PTL::VUserTaskQueue::VUserTaskQueue().

GetNumberActiveThreads()

virtual size_t PTL::TaskRunManager::GetNumberActiveThreads ( ) const

inlinevirtual

Reimplemented in G4TaskRunManager.

Definition at line 59 of file TaskRunManager.hh.

    {
        return (m_thread_pool) ? m_thread_pool->size() : 0;
    }

Referenced by G4TaskRunManager::GetNumberActiveThreads().

GetNumberOfThreads()

virtual int PTL::TaskRunManager::GetNumberOfThreads ( ) const

inlinevirtual

Reimplemented in G4TaskRunManager.

Definition at line 55 of file TaskRunManager.hh.

    {
        return (m_thread_pool) ? (int)m_thread_pool->size() : 0;
    }

Referenced by G4TaskRunManager::GetNumberOfThreads(), and PTL::VUserTaskQueue::VUserTaskQueue().

GetTaskManager()

TaskManager * PTL::TaskRunManager::GetTaskManager ( ) const

inline

Definition at line 69 of file TaskRunManager.hh.

{ return m_task_manager; }

Referenced by G4TaskRunManagerKernel::ExecuteWorkerInit(), G4TaskRunManagerKernel::ExecuteWorkerTask(), and G4TaskRunManagerKernel::InitializeWorker().

GetThreadPool()

ThreadPool * PTL::TaskRunManager::GetThreadPool ( ) const

inline

Definition at line 68 of file TaskRunManager.hh.

{ return m_thread_pool; }

Referenced by G4TaskRunManagerKernel::InitializeWorker(), and G4TaskRunManager::SetNumberOfThreads().

GetVerbose()

int PTL::TaskRunManager::GetVerbose ( ) const

inline

Definition at line 71 of file TaskRunManager.hh.

{ return m_verbose; }

Referenced by G4TaskRunManager::InitializeThreadPool().

Initialize()

void TaskRunManager::Initialize ( uint64_t  n = std::thread::hardware_concurrency() )

virtual

Reimplemented in G4TaskRunManager.

Definition at line 104 of file TaskRunManager.cc.

{
    m_workers = n;
 
    // create threadpool if needed + task manager
    if(!m_thread_pool)
    {
        if(m_verbose > 0)
            std::cout << "TaskRunManager :: Creating thread pool..." << std::endl;
        m_thread_pool = new ThreadPool(m_workers, m_task_queue);
        if(m_verbose > 0)
            std::cout << "TaskRunManager :: Creating task manager..." << std::endl;
        m_task_manager = new TaskManager(m_thread_pool);
    }
    // or resize
    else if(m_workers != m_thread_pool->size())
    {
        if(m_verbose > 0)
        {
            std::cout << "TaskRunManager :: Resizing thread pool from "
                      << m_thread_pool->size() << " to " << m_workers << " threads ..."
                      << std::endl;
        }
        m_thread_pool->resize(m_workers);
    }
 
    // create the joiners
    if(ThreadPool::using_tbb())
    {
        if(m_verbose > 0)
            std::cout << "TaskRunManager :: Using TBB..." << std::endl;
    }
    else
    {
        if(m_verbose > 0)
            std::cout << "TaskRunManager :: Using ThreadPool..." << std::endl;
    }
 
    m_is_initialized = true;
    if(m_verbose > 0)
        std::cout << "TaskRunManager :: initialized..." << std::endl;
}

Referenced by G4TaskRunManager::Initialize(), and G4TaskRunManager::InitializeThreadPool().

IsInitialized()

bool PTL::TaskRunManager::IsInitialized ( ) const

inline

Definition at line 70 of file TaskRunManager.hh.

{ return m_is_initialized; }

SetVerbose()

void PTL::TaskRunManager::SetVerbose ( int  val )

inline

Definition at line 72 of file TaskRunManager.hh.

{ m_verbose = val; }

Referenced by G4TaskRunManager::InitializeThreadPool().

Terminate()

void TaskRunManager::Terminate ( )

virtual

Definition at line 150 of file TaskRunManager.cc.

{
    m_is_initialized = false;
    if(m_thread_pool)
        m_thread_pool->destroy_threadpool();
    delete m_task_manager;
    delete m_thread_pool;
    m_task_manager = nullptr;
    m_thread_pool  = nullptr;
}

Referenced by G4TaskRunManager::~G4TaskRunManager().

Member Data Documentation

m_is_initialized

bool PTL::TaskRunManager::m_is_initialized = false

protected

Definition at line 85 of file TaskRunManager.hh.

Referenced by Initialize(), IsInitialized(), and Terminate().

m_task_manager

TaskManager* PTL::TaskRunManager::m_task_manager = nullptr

protected

Definition at line 90 of file TaskRunManager.hh.

Referenced by GetTaskManager(), Initialize(), and Terminate().

m_task_queue

VUserTaskQueue* PTL::TaskRunManager::m_task_queue = nullptr

protected

Definition at line 88 of file TaskRunManager.hh.

Referenced by Initialize().

m_thread_pool

ThreadPool* PTL::TaskRunManager::m_thread_pool = nullptr

protected

Definition at line 89 of file TaskRunManager.hh.

Referenced by GetNumberActiveThreads(), GetNumberOfThreads(), GetThreadPool(), Initialize(), and Terminate().

m_verbose

int PTL::TaskRunManager::m_verbose = 0

protected

Definition at line 86 of file TaskRunManager.hh.

Referenced by GetVerbose(), Initialize(), and SetVerbose().

m_workers

uint64_t PTL::TaskRunManager::m_workers = 0

protected

Definition at line 87 of file TaskRunManager.hh.

Referenced by Initialize(), and TaskRunManager().

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The documentation for this class was generated from the following files:

• TaskRunManager.hh
• TaskRunManager.cc