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

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

Protected Attributes
bool	m_is_initialized = false
uint64_t	m_workers = 0
bool	m_use_tbb = false
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()

PTL::TaskRunManager::TaskRunManager ( bool useTBB = false )

explicit

Definition at line 69 of file TaskRunManager.cc.

: m_workers(std::thread::hardware_concurrency())
, m_use_tbb(useTBB)
{
    if(!GetPrivateMasterRunManager())
        GetPrivateMasterRunManager() = this;
}

Referenced by G4TaskRunManager::G4TaskRunManager().

~TaskRunManager()

PTL::TaskRunManager::~TaskRunManager ( )

virtual

Definition at line 79 of file TaskRunManager.cc.

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

Member Function Documentation

GetInstance()

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

static

Definition at line 62 of file TaskRunManager.cc.

{
    return GetMasterRunManager(useTBB);
}

GetMasterRunManager()

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

static

Definition at line 53 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 G4SubEvtRunManager, and 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().

Initialize()

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

virtual

Reimplemented in G4SubEvtRunManager, and G4TaskRunManager.

Definition at line 88 of file TaskRunManager.cc.

{
    m_workers = n;
 
    // create threadpool if needed + task manager
    if(!m_thread_pool)
    {
        ThreadPool::Config cfg;
        cfg.pool_size  = m_workers;
        cfg.task_queue = m_task_queue;
        cfg.use_tbb    = m_use_tbb;
        m_thread_pool  = new ThreadPool(cfg);
        m_task_manager = new TaskManager(m_thread_pool);
    }
    // or resize
    else if(m_workers != m_thread_pool->size())
    {
        m_thread_pool->resize(m_workers);
    }
 
    m_is_initialized = true;
}

Referenced by G4SubEvtRunManager::Initialize(), G4TaskRunManager::Initialize(), and G4TaskRunManager::InitializeThreadPool().

IsInitialized()

bool PTL::TaskRunManager::IsInitialized ( ) const

inline

Definition at line 70 of file TaskRunManager.hh.

{ return m_is_initialized; }

Terminate()

void PTL::TaskRunManager::Terminate ( )

virtual

Definition at line 114 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 83 of file TaskRunManager.hh.

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

m_task_manager

TaskManager* PTL::TaskRunManager::m_task_manager = nullptr

protected

Definition at line 88 of file TaskRunManager.hh.

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

m_task_queue

VUserTaskQueue* PTL::TaskRunManager::m_task_queue = nullptr

protected

Definition at line 86 of file TaskRunManager.hh.

Referenced by Initialize().

m_thread_pool

ThreadPool* PTL::TaskRunManager::m_thread_pool = nullptr

protected

Definition at line 87 of file TaskRunManager.hh.

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

m_use_tbb

bool PTL::TaskRunManager::m_use_tbb = false

protected

Definition at line 85 of file TaskRunManager.hh.

Referenced by Initialize(), and TaskRunManager().

m_workers

uint64_t PTL::TaskRunManager::m_workers = 0

protected

Definition at line 84 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