The empty command does nothing during enqueue. More...

#include <detail/scheduler/commands.hpp>

Inheritance diagram for sycl::_V1::detail::EmptyCommand:

Collaboration diagram for sycl::_V1::detail::EmptyCommand:

[legend]

Public Member Functions
	EmptyCommand (QueueImplPtr Queue)

void	printDot (std::ostream &Stream) const final

const Requirement *	getRequirement () const final

void	addRequirement (Command DepCmd, AllocaCommandBase AllocaCmd, const Requirement *Req)

void	emitInstrumentationData () override
	Instrumentation method which emits telemetry data. More...

bool	producesPiEvent () const final
	Returns true iff the command produces a PI event on non-host devices. More...

Public Member Functions inherited from sycl::_V1::detail::Command
	Command (CommandType Type, QueueImplPtr Queue)
	It is safe to bind MPreparedDepsEvents and MPreparedHostDepsEvents references to event_impl class members because Command should not outlive the event connected to it. More...

Command *	addDep (DepDesc NewDep, std::vector< Command * > &ToCleanUp)

Command *	addDep (EventImplPtr Event, std::vector< Command * > &ToCleanUp)

void	addUser (Command *NewUser)

CommandType	getType () const

virtual bool	enqueue (EnqueueResultT &EnqueueResult, BlockingT Blocking, std::vector< Command * > &ToCleanUp)
	Checks if the command is enqueued, and calls enqueueImp. More...

bool	isFinished ()

bool	isSuccessfullyEnqueued () const

bool	isEnqueueBlocked () const

bool	isBlocking () const

void	addBlockedUserUnique (const EventImplPtr &NewUser)

const QueueImplPtr &	getQueue () const

const EventImplPtr &	getEvent () const

void	emitInstrumentationDataProxy ()
	Proxy method which calls emitInstrumentationData. More...

void	resolveReleaseDependencies (std::set< Command * > &list)
	Looks at all the dependencies for the release command and enables instrumentation to report these dependencies as edges. More...

void	emitEdgeEventForCommandDependence (Command Cmd, void ObjAddr, bool IsCommand, std::optional< access::mode > AccMode=std::nullopt)
	Creates an edge event when the dependency is a command. More...

void	emitEdgeEventForEventDependence (Command *Cmd, RT::PiEvent &EventAddr)
	Creates an edge event when the dependency is an event. More...

void	emitEnqueuedEventSignal (RT::PiEvent &PiEventAddr)
	Creates a signal event with the enqueued kernel event handle. More...

uint64_t	makeTraceEventProlog (void *MAddress)
	Create a trace event of node_create type; this must be guarded by a check for xptiTraceEnabled(). More...

void	makeTraceEventEpilog ()
	If prolog has been run, run epilog; this must be guarded by a check for xptiTraceEnabled(). More...

void	emitInstrumentation (uint16_t Type, const char *Txt=nullptr)
	Emits an event of Type. More...

virtual	~Command ()

const char *	getBlockReason () const

virtual const ContextImplPtr &	getWorkerContext () const
	Get the context of the queue this command will be submitted to. More...

const QueueImplPtr &	getWorkerQueue () const
	Get the queue this command will be submitted to. More...

virtual bool	supportsPostEnqueueCleanup () const
	Returns true iff this command can be freed by post enqueue cleanup. More...

virtual bool	readyForCleanup () const
	Returns true iff this command is ready to be submitted for cleanup. More...

std::vector< RT::PiEvent >	getPiEvents (const std::vector< EventImplPtr > &EventImpls) const
	Collect PI events from EventImpls and filter out some of them in case of in order queue. More...

std::vector< RT::PiEvent >	getPiEventsBlocking (const std::vector< EventImplPtr > &EventImpls) const
	Collect PI events from EventImpls and filter out some of them in case of in order queue. More...

bool	isHostTask () const

const std::vector< EventImplPtr > &	getPreparedHostDepsEvents () const

const std::vector< EventImplPtr > &	getPreparedDepsEvents () const

void	copySubmissionCodeLocation ()

void	clearAllDependencies ()
	Clear all dependency events This should only be used if a command is about to be deleted without being executed before that. More...

Additional Inherited Members
Public Types inherited from sycl::_V1::detail::Command
enum	CommandType { RUN_CG, COPY_MEMORY, ALLOCA, ALLOCA_SUB_BUF, RELEASE, MAP_MEM_OBJ, UNMAP_MEM_OBJ, UPDATE_REQUIREMENT, EMPTY_TASK, HOST_TASK, FUSION }

enum	BlockReason : int { BlockReason::HostAccessor = 0, BlockReason::HostTask }

Public Attributes inherited from sycl::_V1::detail::Command
std::vector< DepDesc >	MDeps
	Contains list of dependencies(edges) More...

std::unordered_set< Command * >	MUsers
	Contains list of commands that depend on the command. More...

bool	MIsBlockable = false
	Indicates whether the command can be blocked from enqueueing. More...

unsigned	MLeafCounter = 0
	Counts the number of memory objects this command is a leaf for. More...

Marks	MMarks
	Used for marking the node during graph traversal. More...

BlockReason	MBlockReason

std::atomic< EnqueueResultT::ResultT >	MEnqueueStatus
	Describes the status of the command. More...

void *	MTraceEvent = nullptr
	The event for node_create and task_begin. More...

int32_t	MStreamID = -1
	The stream under which the traces are emitted. More...

void *	MAddress = nullptr
	Reserved for storing the object address such as SPIR-V or memory object address. More...

std::string	MAddressString
	Buffer to build the address string. More...

std::string	MCommandNodeType
	Buffer to build the command node type. More...

std::string	MCommandName
	Buffer to build the command end-user understandable name. More...

bool	MTraceEventPrologComplete = false
	Flag to indicate if makeTraceEventProlog() has been run. More...

bool	MFirstInstance = false
	Flag to indicate if this is the first time we are seeing this payload. More...

uint64_t	MInstanceID = 0
	Instance ID tracked for the command. More...

code_location	MSubmissionCodeLocation
	Represents code location of command submission to SYCL API, assigned with the valid value only if command execution is async (host task) or delayed (blocked by host task). More...

std::string	MSubmissionFileName
	Introduces string to handle memory management since code_location struct works with raw char arrays. More...

std::string	MSubmissionFunctionName

bool	MShouldCompleteEventIfPossible = true

bool	MMarkedForCleanup = false
	Indicates that the node will be freed by graph cleanup. More...

std::vector< EventImplPtr >	MBlockedUsers
	Contains list of commands that depends on the host command explicitly (by depends_on). More...

std::mutex	MBlockedUsersMutex

Protected Member Functions inherited from sycl::_V1::detail::Command
void	waitForEvents (QueueImplPtr Queue, std::vector< EventImplPtr > &RawEvents, RT::PiEvent &Event)

void	waitForPreparedHostEvents () const

Command *	processDepEvent (EventImplPtr DepEvent, const DepDesc &Dep, std::vector< Command * > &ToCleanUp)
	Perform glueing of events from different contexts. More...

Protected Attributes inherited from sycl::_V1::detail::Command
QueueImplPtr	MQueue

EventImplPtr	MEvent

QueueImplPtr	MWorkerQueue

std::vector< EventImplPtr > &	MPreparedDepsEvents
	Dependency events prepared for waiting by backend. More...

std::vector< EventImplPtr > &	MPreparedHostDepsEvents

CommandType	MType
	The type of the command. More...

std::mutex	MEnqueueMtx
	Mutex used to protect enqueueing from race conditions. More...