The task scheduler with customized methods on the python-side. More...

#include <task_scheduler.h>

Inheritance diagram for tvm::meta_schedule::PyTaskSchedulerNode:

Collaboration diagram for tvm::meta_schedule::PyTaskSchedulerNode:

Public Types
using	FNextTaskId = runtime::TypedPackedFunc< int()>
	The function type of `NextTaskId` method. More...

using	FJoinRunningTask = runtime::TypedPackedFunc< Array< RunnerResult >(int)>
	The function type of `JoinRunningTask` method. More...

using	FTune = runtime::TypedPackedFunc< void(Array< TuneContext > tasks, Array< FloatImm > task_weights, int max_trials_global, int max_trials_per_task, int num_trials_per_iter, Builder builder, Runner runner, Array< MeasureCallback > measure_callbacks, Optional< Database > database, Optional< CostModel > cost_model)>
	The function type of `Tune` method. More...

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

using	RefCounterType = std::atomic< int32_t >

Public Member Functions
void	VisitAttrs (tvm::AttrVisitor *v)

int	NextTaskId () final
	Fetch the next task id. More...

Array< RunnerResult >	JoinRunningTask (int task_id) final
	Wait until the task is finished. More...

void	Tune (Array< TuneContext > tasks, Array< FloatImm > task_weights, int max_trials_global, int max_trials_per_task, int num_trials_per_iter, Builder builder, Runner runner, Array< MeasureCallback > measure_callbacks, Optional< Database > database, Optional< CostModel > cost_model) final
	Jointly tune a given list of tasks. More...

	TVM_DECLARE_FINAL_OBJECT_INFO (PyTaskSchedulerNode, TaskSchedulerNode)

Public Member Functions inherited from tvm::meta_schedule::TaskSchedulerNode
virtual	~TaskSchedulerNode ()=default
	The default destructor. More...

void	VisitAttrs (tvm::AttrVisitor *v)

void	TerminateTask (int task_id)
	Terminate a task. More...

void	TouchTask (int task_id)
	Touch the task and update its status. More...

void	PrintTuningStatistics ()
	Print out a human-readable format of the tuning statistics. 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
FNextTaskId	f_next_task_id
	The packed function to the `NextTaskId` function. More...

FJoinRunningTask	f_join_running_task
	The packed function to the `JoinRunningTask` function. More...

FTune	f_tune
	The packed function to the `Tune` function. More...

Public Attributes inherited from tvm::meta_schedule::TaskSchedulerNode
PackedFunc	logger
	The tuning task's logging function. More...

Array< TaskRecord >	tasks_
	Records for each task. More...

Array< MeasureCallback >	measure_callbacks_
	The list of measure callbacks of the scheduler. More...

Optional< Database >	database_
	The database used in tuning. More...

Optional< CostModel >	cost_model_
	The cost model used in tuning. More...

int	remaining_tasks_
	The number of remaining tasks to be tuned. More...

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

Static Public Attributes inherited from tvm::meta_schedule::TaskSchedulerNode
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
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 task scheduler with customized methods on the python-side.

Member Typedef Documentation

◆ FJoinRunningTask

using tvm::meta_schedule::PyTaskSchedulerNode::FJoinRunningTask = runtime::TypedPackedFunc<Array<RunnerResult>(int)>

The function type of JoinRunningTask method.

Parameters

task_id The task id to be joined.

◆ FNextTaskId

using tvm::meta_schedule::PyTaskSchedulerNode::FNextTaskId = runtime::TypedPackedFunc<int()>

The function type of NextTaskId method.

Returns: The next task id.

◆ FTune

using tvm::meta_schedule::PyTaskSchedulerNode::FTune = runtime::TypedPackedFunc<void(Array<TuneContext> tasks, Array<FloatImm> task_weights, int max_trials_global, int max_trials_per_task, int num_trials_per_iter, Builder builder, Runner runner, Array<MeasureCallback> measure_callbacks, Optional<Database> database, Optional<CostModel> cost_model)>

The function type of Tune method.

Member Function Documentation

◆ JoinRunningTask()

Array<RunnerResult> tvm::meta_schedule::PyTaskSchedulerNode::JoinRunningTask ( int task_id )

finalvirtual

Wait until the task is finished.

Parameters

task_id The task id to be joined.

Returns: The results from the runner.

Reimplemented from tvm::meta_schedule::TaskSchedulerNode.

◆ NextTaskId()

int tvm::meta_schedule::PyTaskSchedulerNode::NextTaskId ( )

finalvirtual

Fetch the next task id.

Returns: The next task id.

Implements tvm::meta_schedule::TaskSchedulerNode.

◆ Tune()

void tvm::meta_schedule::PyTaskSchedulerNode::Tune	(	Array< TuneContext >	tasks,
		Array< FloatImm >	task_weights,
		int	max_trials_global,
		int	max_trials_per_task,
		int	num_trials_per_iter,
		Builder	builder,
		Runner	runner,
		Array< MeasureCallback >	measure_callbacks,
		Optional< Database >	database,
		Optional< CostModel >	cost_model
	)

finalvirtual

Jointly tune a given list of tasks.

Parameters

tasks	The tasks to be tuned
task_weights	The weight of each task
max_trials_global	The maximum number of trials to be performed globally
max_trials_per_task	The maximum number of trials to be performed for each task
num_trials_per_iter	The number of trials to be performed in each iteration
builder	The MetaSchedule builder
runner	The MetaSchedule runner
measure_callbacks	The callbacks to be called after each measurement
database	The database used in tuning
cost_model	The cost model used in tuning

Reimplemented from tvm::meta_schedule::TaskSchedulerNode.

◆ TVM_DECLARE_FINAL_OBJECT_INFO()

tvm::meta_schedule::PyTaskSchedulerNode::TVM_DECLARE_FINAL_OBJECT_INFO	(	PyTaskSchedulerNode	,
		TaskSchedulerNode
	)

◆ VisitAttrs()

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

inline

Member Data Documentation

◆ _type_key

constexpr const char* tvm::meta_schedule::PyTaskSchedulerNode::_type_key = "meta_schedule.PyTaskScheduler"

staticconstexpr

◆ f_join_running_task

FJoinRunningTask tvm::meta_schedule::PyTaskSchedulerNode::f_join_running_task

The packed function to the JoinRunningTask function.

◆ f_next_task_id

FNextTaskId tvm::meta_schedule::PyTaskSchedulerNode::f_next_task_id

The packed function to the NextTaskId function.

◆ f_tune

FTune tvm::meta_schedule::PyTaskSchedulerNode::f_tune

The packed function to the Tune function.

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

include/tvm/meta_schedule/task_scheduler.h

Public Types

Public Member Functions

Public Attributes

Static Public Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ FJoinRunningTask

◆ FNextTaskId

◆ FTune

Member Function Documentation

◆ JoinRunningTask()

◆ NextTaskId()

◆ Tune()

◆ TVM_DECLARE_FINAL_OBJECT_INFO()

◆ VisitAttrs()

Member Data Documentation

◆ _type_key

◆ f_join_running_task

◆ f_next_task_id

◆ f_tune