Thrill  0.1
SizeNode< ValueType > Class Template Referencefinal

Detailed Description

template<typename ValueType>
class thrill::api::SizeNode< ValueType >

Definition at line 28 of file size.hpp.

+ Inheritance diagram for SizeNode< ValueType >:
+ Collaboration diagram for SizeNode< ValueType >:

#include <size.hpp>

Public Member Functions

template<typename ParentDIA >
 SizeNode (const ParentDIA &parent)
 
void Execute () final
 Executes the size operation. More...
 
bool OnPreOpFile (const data::File &file, size_t) final
 Receive a whole data::File of ValueType, but only if our stack is empty. More...
 
const size_t & result () const final
 Returns result of global size. More...
 
- Public Member Functions inherited from ActionResultNode< size_t >
 ActionResultNode (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 
- Public Member Functions inherited from ActionNode
 ActionNode (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 
std::vector< DIABase * > children () const final
 ActionNodes do not have children. More...
 
void DecConsumeCounter (size_t) final
 
void IncConsumeCounter (size_t) final
 
void PushData (bool) final
 ActionNodes do not push data, they only Execute. More...
 
void RemoveAllChildren () final
 ActionNodes do not have children. More...
 
void RemoveChild (DIABase *) final
 ActionNodes do not have children. More...
 
void RunPushData () final
 ActionNodes do not push data, they only Execute. More...
 
void SetConsumeCounter (size_t) final
 
- Public Member Functions inherited from DIABase
 DIABase (Context &ctx, const char *label, const std::initializer_list< size_t > &parent_ids, const std::initializer_list< DIABasePtr > &parents)
 The constructor for a DIABase. More...
 
 DIABase (Context &ctx, const char *label, std::vector< size_t > &&parent_ids, std::vector< DIABasePtr > &&parents)
 The constructor for a DIABase. More...
 
 DIABase (const DIABase &)=delete
 non-copyable: delete copy-constructor More...
 
 DIABase (DIABase &&)=default
 move-constructor: default More...
 
virtual ~DIABase ()
 Virtual destructor for a DIABase. More...
 
virtual size_t consume_counter () const
 Returns consume_counter_. More...
 
Contextcontext ()
 Returns the api::Context of this DIABase. More...
 
const size_t & dia_id () const
 return unique id of DIANode subclass as stored by StatsNode More...
 
virtual bool ForwardDataOnly () const
 
const char * label () const
 return label() of DIANode subclass as stored by StatsNode More...
 
mem::Managermem_manager ()
 Return the Context's memory manager. More...
 
DIABaseoperator= (const DIABase &)=delete
 non-copyable: delete assignment operator More...
 
DIABaseoperator= (DIABase &&)=default
 move-assignment operator: default More...
 
std::vector< size_t > parent_ids () const
 Returns the parents of this DIABase. More...
 
const std::vector< DIABasePtr > & parents () const
 Returns the parents of this DIABase. More...
 
void RemoveParent (DIABase *p)
 Remove a parent. More...
 
virtual bool RequireParentPushData (size_t) const
 
void RunScope ()
 
void set_mem_limit (const DIAMemUse &mem_limit)
 
void set_state (const DIAState &state)
 
DIAState state () const
 
virtual DIAMemUse PreOpMemUse ()
 Amount of RAM used by PreOp after StartPreOp() More...
 
virtual void StartPreOp (size_t)
 Virtual method for preparing start of PushData. More...
 
virtual void StopPreOp (size_t)
 Virtual method for preparing end of PushData. More...
 
virtual DIAMemUse ExecuteMemUse ()
 Amount of RAM used by Execute() More...
 
virtual DIAMemUse PushDataMemUse ()
 Amount of RAM used by PushData() More...
 
virtual void Dispose ()
 Virtual clear method. Triggers actual disposing in sub-classes. More...
 
- Public Member Functions inherited from ReferenceCounter
 ReferenceCounter () noexcept
 new objects have zero reference count More...
 
 ReferenceCounter (const ReferenceCounter &) noexcept
 coping still creates a new object with zero reference count More...
 
 ~ReferenceCounter ()
 
bool dec_reference () const noexcept
 Call whenever resetting (i.e. More...
 
void inc_reference () const noexcept
 Call whenever setting a pointer to the object. More...
 
ReferenceCounteroperator= (const ReferenceCounter &) noexcept
 assignment operator, leaves pointers unchanged More...
 
size_t reference_count () const noexcept
 Return the number of references to this object (for debugging) More...
 
bool unique () const noexcept
 Test if the ReferenceCounter is referenced by only one CountingPtr. More...
 

Private Types

using Super = ActionResultNode< size_t >
 

Private Attributes

size_t global_size_ = 0
 
size_t local_size_ = 0
 
const bool parent_stack_empty_
 Whether the parent stack is empty. More...
 

Static Private Attributes

static constexpr bool debug = false
 

Additional Inherited Members

- Public Types inherited from DIABase
using DIABasePtr = tlx::CountingPtr< DIABase >
 
- Public Attributes inherited from DIABase
common::JsonLogger logger_
 
- Static Public Attributes inherited from DIABase
static constexpr size_t kNeverConsume = static_cast<size_t>(-1)
 Never full consume. More...
 
- Protected Attributes inherited from DIABase
Contextcontext_
 associated Context More...
 
const size_t dia_id_
 DIA serial id. More...
 
const char *const label_
 DOp node static label. More...
 
DIAState state_ = DIAState::NEW
 State of the DIANode. State is NEW on creation. More...
 
std::vector< DIABasePtrparents_
 Parents of this DIABase. More...
 
DIAMemUse mem_limit_ = 0
 
size_t consume_counter_ = 1
 

Member Typedef Documentation

◆ Super

using Super = ActionResultNode<size_t>
private

Definition at line 32 of file size.hpp.

Constructor & Destructor Documentation

◆ SizeNode()

SizeNode ( const ParentDIA &  parent)
inlineexplicit

Member Function Documentation

◆ Execute()

void Execute ( )
inlinefinalvirtual

Executes the size operation.

Implements DIABase.

Definition at line 64 of file size.hpp.

References FlowControlChannel::AllReduce(), DIABase::context_, SizeNode< ValueType >::global_size_, SizeNode< ValueType >::local_size_, LOG, and Context::net.

◆ OnPreOpFile()

bool OnPreOpFile ( const data::File file,
size_t   
)
inlinefinalvirtual

Receive a whole data::File of ValueType, but only if our stack is empty.

Reimplemented from DIABase.

Definition at line 49 of file size.hpp.

References DIABase::dia_id(), thrill::common::g_debug_push_file, SizeNode< ValueType >::local_size_, LOGC, and SizeNode< ValueType >::parent_stack_empty_.

◆ result()

const size_t& result ( ) const
inlinefinalvirtual

Returns result of global size.

Implements ActionResultNode< size_t >.

Definition at line 73 of file size.hpp.

References SizeNode< ValueType >::global_size_.

Member Data Documentation

◆ debug

constexpr bool debug = false
staticprivate

Definition at line 30 of file size.hpp.

◆ global_size_

size_t global_size_ = 0
private

Definition at line 83 of file size.hpp.

Referenced by SizeNode< ValueType >::Execute(), and SizeNode< ValueType >::result().

◆ local_size_

size_t local_size_ = 0
private

◆ parent_stack_empty_

const bool parent_stack_empty_
private

Whether the parent stack is empty.

Definition at line 79 of file size.hpp.

Referenced by SizeNode< ValueType >::OnPreOpFile(), and SizeNode< ValueType >::SizeNode().


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