The abstract interface of task schedulers. More...

#include <task_scheduler.h>

Inheritance diagram for tvm::meta_schedule::TaskSchedulerNode:

Collaboration diagram for tvm::meta_schedule::TaskSchedulerNode:

Public Member Functions
virtual	~TaskSchedulerNode ()=default
	The default desctructor. More...

void	VisitAttrs (tvm::AttrVisitor *v)

virtual void	Tune ()
	Auto-tuning. More...

virtual void	InitializeTask (int task_id)
	Initialize modules of the given task. More...

virtual void	SetTaskStopped (int task_id)
	Set specific task to be stopped. More...

virtual bool	IsTaskRunning (int task_id)
	Check whether the task is running. More...

virtual void	JoinRunningTask (int task_id)
	Wait until the task is finished. More...

virtual int	NextTaskId ()=0
	Fetch the next task id. More...

	TVM_DECLARE_BASE_OBJECT_INFO (TaskSchedulerNode, Object)

Public Member Functions inherited from tvm::runtime::Object
uint32_t	type_index () const

std::string	GetTypeKey () const

size_t	GetTypeKeyHash () const

template<typename TargetType >
bool	IsInstance () const

bool	unique () const

	Object ()

	Object (const Object &other)

	Object (Object &&other)

Object &	operator= (const Object &other)

Object &	operator= (Object &&other)

Public Attributes
Array< TuneContext >	tasks
	The tasks to be tuned. More...

Builder	builder {nullptr}
	The builder of the scheduler. More...

Runner	runner {nullptr}
	The runner of the scheduler. More...

Database	database {nullptr}
	The database of the scheduler. More...

Static Public Attributes
static constexpr const char *	_type_key = "meta_schedule.TaskScheduler"

Static Public Attributes inherited from tvm::runtime::Object
static constexpr const char *	_type_key = "runtime.Object"

static constexpr bool	_type_final = false

static constexpr uint32_t	_type_child_slots = 0

static constexpr bool	_type_child_slots_can_overflow = true

static constexpr bool	_type_has_method_visit_attrs = true

static constexpr bool	_type_has_method_sequal_reduce = false

static constexpr bool	_type_has_method_shash_reduce = false

static constexpr uint32_t	_type_index = TypeIndex::kDynamic

Additional Inherited Members
Public Types inherited from tvm::runtime::Object
typedef void(*	FDeleter) (Object *self)
	Object deleter. More...

using	RefCounterType = std::atomic< int32_t >

Static Public Member Functions inherited from tvm::runtime::Object
static std::string	TypeIndex2Key (uint32_t tindex)
	Get the type key of the corresponding index from runtime. More...

static size_t	TypeIndex2KeyHash (uint32_t tindex)
	Get the type key hash of the corresponding index from runtime. More...

static uint32_t	TypeKey2Index (const std::string &key)
	Get the type index of the corresponding key from runtime. More...

static uint32_t	_GetOrAllocRuntimeTypeIndex ()

static uint32_t	RuntimeTypeIndex ()

Protected Member Functions inherited from tvm::runtime::Object
void	IncRef ()
	developer function, increases reference counter. More...

void	DecRef ()
	developer function, decrease reference counter. More...

Static Protected Member Functions inherited from tvm::runtime::Object
static uint32_t	GetOrAllocRuntimeTypeIndex (const std::string &key, uint32_t static_tindex, uint32_t parent_tindex, uint32_t type_child_slots, bool type_child_slots_can_overflow)
	Get the type index using type key. More...

Protected Attributes inherited from tvm::runtime::Object
uint32_t	type_index_ {0}
	Type index(tag) that indicates the type of the object. More...

RefCounterType	ref_counter_ {0}
	The internal reference counter. More...

FDeleter	deleter_ = nullptr
	deleter of this object to enable customized allocation. If the deleter is nullptr, no deletion will be performed. The creator of the object must always set the deleter field properly. More...

Detailed Description

The abstract interface of task schedulers.

Note: The relationship between SpaceGenerator and other classes are as follows: ┌──────────────────────────────────────────────────────────────┐ ┌──┴───────────────────────────────────────────────────────────┐ │ ┌──┴────────────────── Tune Context ───────────────────────────┐ │ │ │ ┌─────────────────────┐ │ │ │ │ │ │ Generate │ │ │ │ │ Space Generator ├──────────────┐ │ │ │ │ │ │ │ │ │ │ │ └─────────────────────┘ ▼ │ │ │ │ Design Space │ │ │ │ ┌─────────────────────┐ │ │ │ │ │ Generate │ │ Pretuning │ │ │ │ │ ┌───────────┤ Search Strategy │◄─────────────┘ │ │ │ │ │ │ │ │ ├──┘ │ │ └─────────────────────┘ ├──┘ └────┼─────────────────────────────────────────────────────────┘ │ │ ┌────┼──────────────── Managed By Task Scheduler ─────────────────────┐ │ │ ┌───────────┐ │ │ │ Send to │ │ Send to │ │ ▼ ┌─────────────►│ Builder ├──────────┐ │ │ Measure Candidate │ Builder │ │ Runner │ │ │ │ │ └───────────┘ │ │ │ │ ┌────────────┴────────┐ │ │ │ │ │ │ ┌───────────┐ │ │ │ └────►│ Task Scheduler │ │ │ │ │ │ │ │ │ Runner │◄─────────┘ │ │ └─────────────────────┘ │ │ │ │ ▲ └─────┬─────┘ │ │ │ │ │ │ └─── Runner Future ◄────┘ │ └─────────────────────────────────────────────────────────────────────┘

Constructor & Destructor Documentation

◆ ~TaskSchedulerNode()

virtual tvm::meta_schedule::TaskSchedulerNode::~TaskSchedulerNode ( )

virtualdefault

The default desctructor.

Member Function Documentation

◆ InitializeTask()

virtual void tvm::meta_schedule::TaskSchedulerNode::InitializeTask ( int task_id )

virtual

Initialize modules of the given task.

Parameters

task_id The task id to be initialized.

Reimplemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ IsTaskRunning()

virtual bool tvm::meta_schedule::TaskSchedulerNode::IsTaskRunning ( int task_id )

virtual

Check whether the task is running.

Parameters

task_id The task id to be checked.

Returns: Whether the task is running.

Reimplemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ JoinRunningTask()

virtual void tvm::meta_schedule::TaskSchedulerNode::JoinRunningTask ( int task_id )

virtual

Wait until the task is finished.

Parameters

task_id The task id to be joined.

Reimplemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ NextTaskId()

virtual int tvm::meta_schedule::TaskSchedulerNode::NextTaskId ( )

pure virtual

Fetch the next task id.

Returns: The next task id.

Implemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ SetTaskStopped()

virtual void tvm::meta_schedule::TaskSchedulerNode::SetTaskStopped ( int task_id )

virtual

Set specific task to be stopped.

Parameters

task_id The task id to be stopped.

Reimplemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ Tune()

virtual void tvm::meta_schedule::TaskSchedulerNode::Tune ( )

virtual

Auto-tuning.

Reimplemented in tvm::meta_schedule::PyTaskSchedulerNode.

◆ TVM_DECLARE_BASE_OBJECT_INFO()

tvm::meta_schedule::TaskSchedulerNode::TVM_DECLARE_BASE_OBJECT_INFO	(	TaskSchedulerNode	,
		Object
	)

◆ VisitAttrs()

void tvm::meta_schedule::TaskSchedulerNode::VisitAttrs ( tvm::AttrVisitor * v )

inline

Member Data Documentation

◆ _type_key

constexpr const char* tvm::meta_schedule::TaskSchedulerNode::_type_key = "meta_schedule.TaskScheduler"

static

◆ builder

Builder tvm::meta_schedule::TaskSchedulerNode::builder {nullptr}

The builder of the scheduler.

◆ database

Database tvm::meta_schedule::TaskSchedulerNode::database {nullptr}

The database of the scheduler.

◆ runner

Runner tvm::meta_schedule::TaskSchedulerNode::runner {nullptr}

The runner of the scheduler.

◆ tasks

Array<TuneContext> tvm::meta_schedule::TaskSchedulerNode::tasks

The tasks to be tuned.

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

include/tvm/meta_schedule/task_scheduler.h

Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ~TaskSchedulerNode()

Member Function Documentation

◆ InitializeTask()

◆ IsTaskRunning()

◆ JoinRunningTask()

◆ NextTaskId()

◆ SetTaskStopped()

◆ Tune()

◆ TVM_DECLARE_BASE_OBJECT_INFO()

◆ VisitAttrs()

Member Data Documentation

◆ _type_key

◆ builder

◆ database

◆ runner

◆ tasks