tvm::tir::usmp::BufferInfoNode Struct Reference

Describes an abstract memory buffer that will get allocated inside a pool. The actual memory buffer in represented by PoolAllocationNode after static memory planning. More...

#include <utils.h>

Inheritance diagram for tvm::tir::usmp::BufferInfoNode:

Collaboration diagram for tvm::tir::usmp::BufferInfoNode:

Public Member Functions
void	VisitAttrs (tvm::AttrVisitor *v)
bool	SEqualReduce (const BufferInfoNode *other, SEqualReducer equal) const
void	SHashReduce (SHashReducer hash_reduce) const
void	SetConflicts (Array< ObjectRef > conflicting_buffer_info_objs)
	Set the liveness conflicts of this BufferInfo. More...
	TVM_DECLARE_FINAL_OBJECT_INFO (BufferInfoNode, 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
String	name_hint
	The name of the buffer var. More...
Integer	size_bytes
	The size in terms of bytes. More...
Array< PoolInfo >	pool_candidates
	The pool candidates that this buffer can get pooled to. More...
Integer	alignment
	The byte alignment required for buffers that will placed within the pool. More...
Array< ObjectRef >	conflicts
	The liveness conflicting other buffer info objects. More...
BufferInfoKind	kind
	Whether BufferInfo object retains info about IO tensors or intermediaries. More...

Static Public Attributes
static constexpr const char *	_type_key = "tir.usmp.BufferInfo"
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

Describes an abstract memory buffer that will get allocated inside a pool. The actual memory buffer in represented by PoolAllocationNode after static memory planning.

See also for relay-level counterparts: relay::StorageToken (graph_plan_memory.cc) relay::backend::StorageInfoNode (relay/backend/utils.h) Region (python/tvm/relay/transform/memory_plan.py)

Member Function Documentation

SEqualReduce()

bool tvm::tir::usmp::BufferInfoNode::SEqualReduce ( const BufferInfoNode *  other, SEqualReducer  equal  ) const

inline

SetConflicts()

void tvm::tir::usmp::BufferInfoNode::SetConflicts

(

Array< ObjectRef >

conflicting_buffer_info_objs

)

Set the liveness conflicts of this BufferInfo.

Parameters

conflicting_buffer_info_objs

An array of BufferInfo that conflicts in liveness

SHashReduce()

void tvm::tir::usmp::BufferInfoNode::SHashReduce ( SHashReducer  hash_reduce ) const

inline

TVM_DECLARE_FINAL_OBJECT_INFO()

tvm::tir::usmp::BufferInfoNode::TVM_DECLARE_FINAL_OBJECT_INFO	(	BufferInfoNode	,
		Object
	)

VisitAttrs()

void tvm::tir::usmp::BufferInfoNode::VisitAttrs ( tvm::AttrVisitor *  v )

inline

Member Data Documentation

_type_key

constexpr const char* tvm::tir::usmp::BufferInfoNode::_type_key = "tir.usmp.BufferInfo"

staticconstexpr

alignment

Integer tvm::tir::usmp::BufferInfoNode::alignment

The byte alignment required for buffers that will placed within the pool.

conflicts

Array<ObjectRef> tvm::tir::usmp::BufferInfoNode::conflicts

The liveness conflicting other buffer info objects.

kind

BufferInfoKind tvm::tir::usmp::BufferInfoNode::kind

Whether BufferInfo object retains info about IO tensors or intermediaries.

name_hint

String tvm::tir::usmp::BufferInfoNode::name_hint

The name of the buffer var.

pool_candidates

Array<PoolInfo> tvm::tir::usmp::BufferInfoNode::pool_candidates

The pool candidates that this buffer can get pooled to.

size_bytes

Integer tvm::tir::usmp::BufferInfoNode::size_bytes

The size in terms of bytes.

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

• include/tvm/tir/usmp/utils.h