#include <GPUCoalescer.hh>

Inheritance diagram for GPUCoalescer:

Public Types
typedef RubyGPUCoalescerParams	Params

Public Types inherited from RubyPort
typedef RubyPortParams	Params

Public Types inherited from ClockedObject
typedef ClockedObjectParams	Params
	Parameters of ClockedObject. More...

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
	GPUCoalescer (const Params *)

	~GPUCoalescer ()

void	wakeup ()

void	printProgress (std::ostream &out) const

void	resetStats ()
	Callback to reset stats. More...

void	collateStats ()

void	regStats ()
	Callback to set stat parameters. More...

void	writeCallback (Addr address, DataBlock &data)

void	writeCallback (Addr address, MachineType mach, DataBlock &data)

void	writeCallback (Addr address, MachineType mach, DataBlock &data, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool isRegion)

void	writeCallback (Addr address, MachineType mach, DataBlock &data, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime)

void	readCallback (Addr address, DataBlock &data)

void	readCallback (Addr address, MachineType mach, DataBlock &data)

void	readCallback (Addr address, MachineType mach, DataBlock &data, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime)

void	readCallback (Addr address, MachineType mach, DataBlock &data, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool isRegion)

void	atomicCallback (Addr address, MachineType mach, const DataBlock &data)

void	recordCPReadCallBack (MachineID myMachID, MachineID senderMachID)

void	recordCPWriteCallBack (MachineID myMachID, MachineID senderMachID)

virtual RequestStatus	makeRequest (PacketPtr pkt)

int	outstandingCount () const

bool	isDeadlockEventScheduled () const

void	descheduleDeadlockEvent ()

bool	empty () const

void	print (std::ostream &out) const

void	checkCoherence (Addr address)

void	markRemoved ()

void	removeRequest (GPUCoalescerRequest *request)

void	evictionCallback (Addr address)

void	completeIssue ()

void	insertKernel (int wavefront_id, PacketPtr pkt)

void	recordRequestType (SequencerRequestType requestType)

Stats::Histogram &	getOutstandReqHist ()

Stats::Histogram &	getLatencyHist ()

Stats::Histogram &	getTypeLatencyHist (uint32_t t)

Stats::Histogram &	getMissLatencyHist ()

Stats::Histogram &	getMissTypeLatencyHist (uint32_t t)

Stats::Histogram &	getMissMachLatencyHist (uint32_t t) const

Stats::Histogram &	getMissTypeMachLatencyHist (uint32_t r, uint32_t t) const

Stats::Histogram &	getIssueToInitialDelayHist (uint32_t t) const

Stats::Histogram &	getInitialToForwardDelayHist (const MachineType t) const

Stats::Histogram &	getForwardRequestToFirstResponseHist (const MachineType t) const

Stats::Histogram &	getFirstResponseToCompletionDelayHist (const MachineType t) const

Public Member Functions inherited from RubyPort
	RubyPort (const Params *p)

virtual	~RubyPort ()

void	init () override
	init() is called after all C++ SimObjects have been created and all ports are connected. More...

Port &	getPort (const std::string &if_name, PortID idx=InvalidPortID) override
	Get a port with a given name and index. More...

void	setController (AbstractController *_cntrl)

uint32_t	getId ()

DrainState	drain () override
	Notify an object that it needs to drain its state. More...

bool	isCPUSequencer ()

Public Member Functions inherited from ClockedObject
	ClockedObject (const ClockedObjectParams *p)

const Params *	params () const

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Enums::PwrState	pwrState () const

std::string	pwrStateName () const

std::vector< double >	pwrStateWeights () const
	Returns the percentage residency for each power state. More...

void	computeStats ()
	Record stats values like state residency by computing the time difference from previous update. More...

void	pwrState (Enums::PwrState)

Public Member Functions inherited from SimObject
const Params *	params () const

	SimObject (const Params *_params)

virtual	~SimObject ()

virtual const std::string	name () const

virtual void	loadState (CheckpointIn &cp)
	loadState() is called on each SimObject when restoring from a checkpoint. More...

virtual void	initState ()
	initState() is called on each SimObject when not restoring from a checkpoint. More...

virtual void	regProbePoints ()
	Register probe points for this object. More...

virtual void	regProbeListeners ()
	Register probe listeners for this object. More...

ProbeManager *	getProbeManager ()
	Get the probe manager for this object. More...

virtual void	startup ()
	startup() is the final initialization call before simulation. More...

DrainState	drain () override
	Provide a default implementation of the drain interface for objects that don't need draining. More...

virtual void	memWriteback ()
	Write back dirty buffers to memory using functional writes. More...

virtual void	memInvalidate ()
	Invalidate the contents of memory buffers. More...

void	serialize (CheckpointOut &cp) const override
	Serialize an object. More...

void	unserialize (CheckpointIn &cp) override
	Unserialize an object. More...

Public Member Functions inherited from EventManager
	EventManager (EventManager &em)

	EventManager (EventManager *em)

	EventManager (EventQueue *eq)

EventQueue *	eventQueue () const

void	schedule (Event &event, Tick when)

void	deschedule (Event &event)

void	reschedule (Event &event, Tick when, bool always=false)

void	schedule (Event *event, Tick when)

void	deschedule (Event *event)

void	reschedule (Event *event, Tick when, bool always=false)

void	wakeupEventQueue (Tick when=(Tick) -1)

void	setCurTick (Tick newVal)

Public Member Functions inherited from Serializable
	Serializable ()

virtual	~Serializable ()

void	serializeSection (CheckpointOut &cp, const char *name) const
	Serialize an object into a new section. More...

void	serializeSection (CheckpointOut &cp, const std::string &name) const

void	unserializeSection (CheckpointIn &cp, const char *name)
	Unserialize an a child object. More...

void	unserializeSection (CheckpointIn &cp, const std::string &name)

Public Member Functions inherited from Drainable
DrainState	drainState () const
	Return the current drain state of an object. More...

virtual void	notifyFork ()
	Notify a child process of a fork. More...

Public Member Functions inherited from Stats::Group
	Group ()=delete

	Group (const Group &)=delete

Group &	operator= (const Group &)=delete

	Group (Group parent, const char name=nullptr)
	Construct a new statistics group. More...

virtual	~Group ()

virtual void	preDumpStats ()
	Callback before stats are dumped. More...

void	addStat (Stats::Info *info)
	Register a stat with this group. More...

const std::map< std::string, Group * > &	getStatGroups () const
	Get all child groups associated with this object. More...

const std::vector< Info * > &	getStats () const
	Get all stats associated with this object. More...

void	addStatGroup (const char name, Group block)
	Add a stat block as a child of this block. More...

Public Member Functions inherited from Clocked
void	updateClockPeriod ()
	Update the tick to the current tick. More...

Tick	clockEdge (Cycles cycles=Cycles(0)) const
	Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More...

Cycles	curCycle () const
	Determine the current cycle, corresponding to a tick aligned to a clock edge. More...

Tick	nextCycle () const
	Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More...

uint64_t	frequency () const

Tick	clockPeriod () const

double	voltage () const

Cycles	ticksToCycles (Tick t) const

Tick	cyclesToTicks (Cycles c) const

Protected Types
typedef std::unordered_map< Addr, std::vector< RequestDesc > >	CoalescingTable

typedef std::unordered_map< Addr, GPUCoalescerRequest * >	RequestTable

Protected Member Functions
bool	tryCacheAccess (Addr addr, RubyRequestType type, Addr pc, RubyAccessMode access_mode, int size, DataBlock *&data_ptr)

virtual void	issueRequest (PacketPtr pkt, RubyRequestType type)

void	kernelCallback (int wavfront_id)

void	hitCallback (GPUCoalescerRequest *request, MachineType mach, DataBlock &data, bool success, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool isRegion)

void	recordMissLatency (GPUCoalescerRequest *request, MachineType mach, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool success, bool isRegion)

void	completeHitCallback (std::vector< PacketPtr > &mylist, int len)

PacketPtr	mapAddrToPkt (Addr address)

RequestStatus	getRequestStatus (PacketPtr pkt, RubyRequestType request_type)

bool	insertRequest (PacketPtr pkt, RubyRequestType request_type)

bool	handleLlsc (Addr address, GPUCoalescerRequest *request)

Protected Member Functions inherited from RubyPort
void	trySendRetries ()

void	ruby_hit_callback (PacketPtr pkt)

void	testDrainComplete ()

void	ruby_eviction_callback (Addr address)

bool	recvTimingResp (PacketPtr pkt, PortID master_port_id)
	Called by the PIO port when receiving a timing response. More...

Protected Member Functions inherited from Drainable
	Drainable ()

virtual	~Drainable ()

virtual void	drainResume ()
	Resume execution after a successful drain. More...

void	signalDrainDone () const
	Signal that an object is drained. More...

Protected Member Functions inherited from Clocked
	Clocked (ClockDomain &clk_domain)
	Create a clocked object and set the clock domain based on the parameters. More...

	Clocked (Clocked &)=delete

Clocked &	operator= (Clocked &)=delete

virtual	~Clocked ()
	Virtual destructor due to inheritance. More...

void	resetClock () const
	Reset the object's clock using the current global tick value. More...

virtual void	clockPeriodUpdated ()
	A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More...

Protected Attributes
EventFunctionWrapper	issueEvent

int	m_max_outstanding_requests

int	m_deadlock_threshold

CacheMemory *	m_dataCache_ptr

CacheMemory *	m_instCache_ptr

CoalescingTable	reqCoalescer

std::vector< Addr >	newRequests

RequestTable	m_writeRequestTable

RequestTable	m_readRequestTable

int	m_outstanding_count

bool	m_deadlock_check_scheduled

std::unordered_map< int, PacketPtr >	kernelEndList

std::vector< int >	newKernelEnds

int	m_store_waiting_on_load_cycles

int	m_store_waiting_on_store_cycles

int	m_load_waiting_on_store_cycles

int	m_load_waiting_on_load_cycles

bool	m_runningGarnetStandalone

EventFunctionWrapper	deadlockCheckEvent

bool	assumingRfOCoherence

Stats::Scalar	GPU_TCPLdHits

Stats::Scalar	GPU_TCPLdTransfers

Stats::Scalar	GPU_TCCLdHits

Stats::Scalar	GPU_LdMiss

Stats::Scalar	GPU_TCPStHits

Stats::Scalar	GPU_TCPStTransfers

Stats::Scalar	GPU_TCCStHits

Stats::Scalar	GPU_StMiss

Stats::Scalar	CP_TCPLdHits

Stats::Scalar	CP_TCPLdTransfers

Stats::Scalar	CP_TCCLdHits

Stats::Scalar	CP_LdMiss

Stats::Scalar	CP_TCPStHits

Stats::Scalar	CP_TCPStTransfers

Stats::Scalar	CP_TCCStHits

Stats::Scalar	CP_StMiss

Stats::Histogram	m_outstandReqHist
	Histogram for number of outstanding requests per cycle. More...

Stats::Histogram	m_latencyHist
	Histogram for holding latency profile of all requests. More...

std::vector< Stats::Histogram * >	m_typeLatencyHist

Stats::Histogram	m_missLatencyHist
	Histogram for holding latency profile of all requests that miss in the controller connected to this sequencer. More...

std::vector< Stats::Histogram * >	m_missTypeLatencyHist

std::vector< Stats::Histogram * >	m_missMachLatencyHist
	Histograms for profiling the latencies for requests that required external messages. More...

std::vector< std::vector< Stats::Histogram * > >	m_missTypeMachLatencyHist

std::vector< Stats::Histogram * >	m_IssueToInitialDelayHist
	Histograms for recording the breakdown of miss latency. More...

std::vector< Stats::Histogram * >	m_InitialToForwardDelayHist

std::vector< Stats::Histogram * >	m_ForwardToFirstResponseDelayHist

std::vector< Stats::Histogram * >	m_FirstResponseToCompletionDelayHist

Protected Attributes inherited from RubyPort
RubySystem *	m_ruby_system

uint32_t	m_version

AbstractController *	m_controller

MessageBuffer *	m_mandatory_q_ptr

bool	m_usingRubyTester

System *	system

std::vector< MemSlavePort * >	slave_ports

Protected Attributes inherited from ClockedObject
Enums::PwrState	_currPwrState
	To keep track of the current power state. More...

Tick	prvEvalTick

ClockedObject::ClockedObjectStats	stats

Protected Attributes inherited from SimObject
const SimObjectParams *	_params
	Cached copy of the object parameters. More...

Protected Attributes inherited from EventManager
EventQueue *	eventq
	A pointer to this object's event queue. More...

Private Member Functions
	GPUCoalescer (const GPUCoalescer &obj)

GPUCoalescer &	operator= (const GPUCoalescer &obj)

Additional Inherited Members
Static Public Member Functions inherited from SimObject
static void	serializeAll (CheckpointOut &cp)
	Serialize all SimObjects in the system. More...

static SimObject *	find (const char *name)
	Find the SimObject with the given name and return a pointer to it. More...

Static Public Member Functions inherited from Serializable
static const std::string &	currentSection ()
	Get the fully-qualified name of the active section. More...

static void	serializeAll (const std::string &cpt_dir)

static void	unserializeGlobals (CheckpointIn &cp)

Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

Detailed Description

Definition at line 96 of file GPUCoalescer.hh.

Member Typedef Documentation

◆ CoalescingTable

typedef std::unordered_map<Addr, std::vector<RequestDesc> > GPUCoalescer::CoalescingTable

protected

Definition at line 273 of file GPUCoalescer.hh.

◆ Params

typedef RubyGPUCoalescerParams GPUCoalescer::Params

Definition at line 99 of file GPUCoalescer.hh.

◆ RequestTable

typedef std::unordered_map<Addr, GPUCoalescerRequest*> GPUCoalescer::RequestTable

protected

Definition at line 277 of file GPUCoalescer.hh.

Constructor & Destructor Documentation

◆ GPUCoalescer() [1/2]

GPUCoalescer::GPUCoalescer ( const Params * p )

Definition at line 118 of file GPUCoalescer.cc.

References assumingRfOCoherence, completeIssue(), deadlockCheckEvent, m_dataCache_ptr, m_deadlock_threshold, m_instCache_ptr, m_load_waiting_on_load_cycles, m_load_waiting_on_store_cycles, m_max_outstanding_requests, m_outstanding_count, m_runningGarnetStandalone, m_store_waiting_on_load_cycles, m_store_waiting_on_store_cycles, MipsISA::p, EventBase::Progress_Event_Pri, and wakeup().

◆ ~GPUCoalescer()

GPUCoalescer::~GPUCoalescer ( )

Definition at line 150 of file GPUCoalescer.cc.

◆ GPUCoalescer() [2/2]

GPUCoalescer::GPUCoalescer ( const GPUCoalescer & obj )

private

Member Function Documentation

◆ atomicCallback()

void GPUCoalescer::atomicCallback	(	Addr	address,
		MachineType	mach,
		const DataBlock &	data
	)

◆ checkCoherence()

void GPUCoalescer::checkCoherence ( Addr address )

Definition at line 985 of file GPUCoalescer.cc.

◆ collateStats()

void GPUCoalescer::collateStats ( )

◆ completeHitCallback()

void GPUCoalescer::completeHitCallback	(	std::vector< PacketPtr > &	mylist,
		int	len
	)

protected

Definition at line 1153 of file GPUCoalescer.cc.

References ArmISA::i, ArmISA::len, RubyPort::SenderState::port, Packet::SenderState::predecessor, safe_cast(), ArmISA::ss, RubyPort::testDrainComplete(), and RubyPort::trySendRetries().

Referenced by atomicCallback(), and hitCallback().

◆ completeIssue()

void GPUCoalescer::completeIssue ( )

Definition at line 997 of file GPUCoalescer.cc.

References DPRINTF, ArmISA::i, insertRequest(), issueRequest(), kernelCallback(), ArmISA::len, newKernelEnds, newRequests, panic, RequestDesc::pkt, RequestDesc::primaryType, Packet::req, reqCoalescer, and RequestDesc::secondaryType.

Referenced by GPUCoalescer(), VIPERCoalescer::invCallback(), VIPERCoalescer::makeRequest(), and VIPERCoalescer::wbCallback().

◆ descheduleDeadlockEvent()

void GPUCoalescer::descheduleDeadlockEvent ( )

inlinevirtual

Implements RubyPort.

Definition at line 173 of file GPUCoalescer.hh.

References GPUCoalescerRequest::pkt.

◆ empty()

bool GPUCoalescer::empty ( ) const

Definition at line 679 of file GPUCoalescer.cc.

References m_readRequestTable, and m_writeRequestTable.

◆ evictionCallback()

void GPUCoalescer::evictionCallback ( Addr address )

Definition at line 1036 of file GPUCoalescer.cc.

References RubyPort::ruby_eviction_callback().

◆ getFirstResponseToCompletionDelayHist()

Stats::Histogram& GPUCoalescer::getFirstResponseToCompletionDelayHist ( const MachineType t ) const

inline

Definition at line 221 of file GPUCoalescer.hh.

References addr, data, ArmISA::len, MipsISA::pc, ArmISA::t, and type.

◆ getForwardRequestToFirstResponseHist()

Stats::Histogram& GPUCoalescer::getForwardRequestToFirstResponseHist ( const MachineType t ) const

inline

Definition at line 217 of file GPUCoalescer.hh.

References ArmISA::t.

◆ getInitialToForwardDelayHist()

Stats::Histogram& GPUCoalescer::getInitialToForwardDelayHist ( const MachineType t ) const

inline

Definition at line 213 of file GPUCoalescer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getIssueToInitialDelayHist()

Stats::Histogram& GPUCoalescer::getIssueToInitialDelayHist ( uint32_t t ) const

inline

Definition at line 209 of file GPUCoalescer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getLatencyHist()

Stats::Histogram& GPUCoalescer::getLatencyHist ( )

inline

Definition at line 193 of file GPUCoalescer.hh.

Referenced by Profiler::collateStats().

◆ getMissLatencyHist()

Stats::Histogram& GPUCoalescer::getMissLatencyHist ( )

inline

Definition at line 197 of file GPUCoalescer.hh.

Referenced by Profiler::collateStats().

◆ getMissMachLatencyHist()

Stats::Histogram& GPUCoalescer::getMissMachLatencyHist ( uint32_t t ) const

inline

Definition at line 202 of file GPUCoalescer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getMissTypeLatencyHist()

Stats::Histogram& GPUCoalescer::getMissTypeLatencyHist ( uint32_t t )

inline

Definition at line 199 of file GPUCoalescer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ getMissTypeMachLatencyHist()

Stats::Histogram& GPUCoalescer::getMissTypeMachLatencyHist	(	uint32_t	r,
		uint32_t	t
	)		const

inline

Definition at line 206 of file GPUCoalescer.hh.

References MipsISA::r, and ArmISA::t.

Referenced by Profiler::collateStats().

◆ getOutstandReqHist()

Stats::Histogram& GPUCoalescer::getOutstandReqHist ( )

inline

Definition at line 191 of file GPUCoalescer.hh.

Referenced by Profiler::collateStats().

◆ getRequestStatus()

RequestStatus GPUCoalescer::getRequestStatus	(	PacketPtr	pkt,
		RubyRequestType	request_type
	)

protected

Definition at line 235 of file GPUCoalescer.cc.

References MessageBuffer::areNSlotsAvailable(), Clocked::clockEdge(), Packet::getAddr(), AbstractController::isBlocked(), RubyPort::m_controller, m_load_waiting_on_load_cycles, m_load_waiting_on_store_cycles, RubyPort::m_mandatory_q_ptr, m_readRequestTable, m_store_waiting_on_load_cycles, m_store_waiting_on_store_cycles, m_writeRequestTable, and makeLineAddress().

Referenced by insertRequest(), and makeRequest().

◆ getTypeLatencyHist()

Stats::Histogram& GPUCoalescer::getTypeLatencyHist ( uint32_t t )

inline

Definition at line 194 of file GPUCoalescer.hh.

References ArmISA::t.

Referenced by Profiler::collateStats().

◆ handleLlsc()

bool GPUCoalescer::handleLlsc	(	Addr	address,
		GPUCoalescerRequest *	request
	)

protected

Definition at line 412 of file GPUCoalescer.cc.

References CacheMemory::clearLocked(), CacheMemory::isLocked(), CacheMemory::isTagPresent(), m_dataCache_ptr, GPUCoalescerRequest::m_type, RubyPort::m_version, GPUCoalescerRequest::pkt, Packet::req, and CacheMemory::setLocked().

Referenced by writeCallback().

◆ hitCallback()

void GPUCoalescer::hitCallback	(	GPUCoalescerRequest *	request,
		MachineType	mach,
		DataBlock &	data,
		bool	success,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime,
		bool	isRegion
	)

protected

◆ insertKernel()

void GPUCoalescer::insertKernel	(	int	wavefront_id,
		PacketPtr	pkt
	)

Definition at line 295 of file GPUCoalescer.cc.

References DPRINTF, and kernelEndList.

Referenced by VIPERCoalescer::makeRequest(), and makeRequest().

◆ insertRequest()

bool GPUCoalescer::insertRequest	(	PacketPtr	pkt,
		RubyRequestType	request_type
	)

protected

◆ isDeadlockEventScheduled()

bool GPUCoalescer::isDeadlockEventScheduled ( ) const

inlinevirtual

Implements RubyPort.

Definition at line 167 of file GPUCoalescer.hh.

◆ issueRequest()

void GPUCoalescer::issueRequest	(	PacketPtr	pkt,
		RubyRequestType	type
	)

protectedvirtual

◆ kernelCallback()

void GPUCoalescer::kernelCallback ( int wavfront_id )

protected

Definition at line 1042 of file GPUCoalescer.cc.

References kernelEndList, and RubyPort::ruby_hit_callback().

Referenced by completeIssue().

◆ makeRequest()

RequestStatus GPUCoalescer::makeRequest ( PacketPtr pkt )

virtual

Implements RubyPort.

Reimplemented in VIPERCoalescer.

Definition at line 694 of file GPUCoalescer.cc.

References assumingRfOCoherence, curTick(), X86ISA::FlagShift, Packet::getAddr(), getRequestStatus(), insertKernel(), Packet::isAtomicOp(), Packet::isFlush(), Packet::isLLSC(), Packet::isRead(), issueEvent, Packet::isWrite(), m_max_outstanding_requests, m_outstanding_count, makeLineAddress(), newKernelEnds, newRequests, panic, Packet::req, reqCoalescer, EventManager::schedule(), Event::scheduled(), ArmISA::status, and X86ISA::StoreCheck.

Referenced by VIPERCoalescer::makeRequest().

◆ mapAddrToPkt()

PacketPtr GPUCoalescer::mapAddrToPkt ( Addr address )

protected

Definition at line 1171 of file GPUCoalescer.cc.

References ArmISA::i, m_readRequestTable, and GPUCoalescerRequest::pkt.

◆ markRemoved()

void GPUCoalescer::markRemoved ( )

Definition at line 382 of file GPUCoalescer.cc.

References m_outstanding_count, m_readRequestTable, and m_writeRequestTable.

Referenced by atomicCallback(), readCallback(), removeRequest(), and writeCallback().

◆ operator=()

GPUCoalescer& GPUCoalescer::operator= ( const GPUCoalescer & obj )

private

◆ outstandingCount()

int GPUCoalescer::outstandingCount ( ) const

inlinevirtual

Implements RubyPort.

Definition at line 164 of file GPUCoalescer.hh.

◆ print()

void GPUCoalescer::print ( std::ostream & out ) const

Definition at line 972 of file GPUCoalescer.cc.

References m_outstanding_count, m_readRequestTable, RubyPort::m_version, and m_writeRequestTable.

Referenced by operator<<().

◆ printProgress()

void GPUCoalescer::printProgress ( std::ostream & out ) const

Definition at line 230 of file GPUCoalescer.cc.

◆ readCallback() [1/4]

void GPUCoalescer::readCallback	(	Addr	address,
		DataBlock &	data
	)

Definition at line 538 of file GPUCoalescer.cc.

Referenced by readCallback().

◆ readCallback() [2/4]

void GPUCoalescer::readCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data
	)

Definition at line 544 of file GPUCoalescer.cc.

References readCallback().

◆ readCallback() [3/4]

void GPUCoalescer::readCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime
	)

Definition at line 552 of file GPUCoalescer.cc.

References readCallback().

◆ readCallback() [4/4]

void GPUCoalescer::readCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime,
		bool	isRegion
	)

Definition at line 566 of file GPUCoalescer.cc.

References DPRINTF, hitCallback(), ArmISA::i, m_readRequestTable, makeLineAddress(), and markRemoved().

◆ recordCPReadCallBack()

void GPUCoalescer::recordCPReadCallBack	(	MachineID	myMachID,
		MachineID	senderMachID
	)

Definition at line 1125 of file GPUCoalescer.cc.

References CP_LdMiss, CP_TCCLdHits, CP_TCPLdHits, CP_TCPLdTransfers, and machineIDToMachineType().

◆ recordCPWriteCallBack()

void GPUCoalescer::recordCPWriteCallBack	(	MachineID	myMachID,
		MachineID	senderMachID
	)

Definition at line 1139 of file GPUCoalescer.cc.

References CP_StMiss, CP_TCCStHits, CP_TCPStHits, CP_TCPStTransfers, and machineIDToMachineType().

◆ recordMissLatency()

void GPUCoalescer::recordMissLatency	(	GPUCoalescerRequest *	request,
		MachineType	mach,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime,
		bool	success,
		bool	isRegion
	)

protected

◆ recordRequestType()

void GPUCoalescer::recordRequestType ( SequencerRequestType requestType )

Definition at line 990 of file GPUCoalescer.cc.

References DPRINTF.

◆ regStats()

void GPUCoalescer::regStats ( )

virtual

Callback to set stat parameters.

This callback is typically used for complex stats (e.g., distributions) that need parameters in addition to a name and a description. Stat names and descriptions should typically be set from the constructor usingo from the constructor using the ADD_STAT macro.

Reimplemented from Stats::Group.

Definition at line 1258 of file GPUCoalescer.cc.

References CP_LdMiss, CP_StMiss, CP_TCCLdHits, CP_TCCStHits, CP_TCPLdHits, CP_TCPLdTransfers, CP_TCPStHits, CP_TCPStTransfers, Stats::DataWrap< Derived, InfoProxyType >::desc(), GPU_LdMiss, GPU_StMiss, GPU_TCCLdHits, GPU_TCCStHits, GPU_TCPLdHits, GPU_TCPLdTransfers, GPU_TCPStHits, GPU_TCPStTransfers, ArmISA::i, Stats::Histogram::init(), ArmISA::j, m_FirstResponseToCompletionDelayHist, m_ForwardToFirstResponseDelayHist, m_InitialToForwardDelayHist, m_IssueToInitialDelayHist, m_latencyHist, m_missLatencyHist, m_missMachLatencyHist, m_missTypeLatencyHist, m_missTypeMachLatencyHist, m_outstandReqHist, m_typeLatencyHist, SimObject::name(), Stats::DataWrap< Derived, InfoProxyType >::name(), and Stats::Group::regStats().

◆ removeRequest()

void GPUCoalescer::removeRequest ( GPUCoalescerRequest * request )

Definition at line 390 of file GPUCoalescer.cc.

References Packet::getAddr(), m_outstanding_count, m_readRequestTable, GPUCoalescerRequest::m_type, m_writeRequestTable, makeLineAddress(), markRemoved(), and GPUCoalescerRequest::pkt.

◆ resetStats()

void GPUCoalescer::resetStats ( )

virtual

Callback to reset stats.

Reimplemented from Stats::Group.

Definition at line 207 of file GPUCoalescer.cc.

References ArmISA::i, ArmISA::j, m_FirstResponseToCompletionDelayHist, m_ForwardToFirstResponseDelayHist, m_InitialToForwardDelayHist, m_IssueToInitialDelayHist, m_latencyHist, m_missLatencyHist, m_missMachLatencyHist, m_missTypeLatencyHist, m_missTypeMachLatencyHist, m_typeLatencyHist, and Stats::DistBase< Derived, Stor >::reset().

◆ tryCacheAccess()

bool GPUCoalescer::tryCacheAccess	(	Addr	addr,
		RubyRequestType	type,
		Addr	pc,
		RubyAccessMode	access_mode,
		int	size,
		DataBlock *&	data_ptr
	)

protected

◆ wakeup()

void GPUCoalescer::wakeup ( )

Definition at line 155 of file GPUCoalescer.cc.

References Clocked::clockPeriod(), Clocked::curCycle(), curTick(), deadlockCheckEvent, Packet::getAddr(), GPUCoalescerRequest::issue_time, m_deadlock_threshold, m_outstanding_count, m_readRequestTable, RubyPort::m_version, m_writeRequestTable, panic, GPUCoalescerRequest::pkt, and EventManager::schedule().

Referenced by GPUCoalescer().

◆ writeCallback() [1/4]

void GPUCoalescer::writeCallback	(	Addr	address,
		DataBlock &	data
	)

Definition at line 456 of file GPUCoalescer.cc.

Referenced by writeCallback().

◆ writeCallback() [2/4]

void GPUCoalescer::writeCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data
	)

Definition at line 462 of file GPUCoalescer.cc.

References writeCallback().

◆ writeCallback() [3/4]

void GPUCoalescer::writeCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime,
		bool	isRegion
	)

Definition at line 483 of file GPUCoalescer.cc.

References AbstractController::blockOnQueue(), DPRINTF, handleLlsc(), hitCallback(), ArmISA::i, RubyPort::m_controller, RubyPort::m_mandatory_q_ptr, m_runningGarnetStandalone, m_writeRequestTable, makeLineAddress(), markRemoved(), and AbstractController::unblock().

◆ writeCallback() [4/4]

void GPUCoalescer::writeCallback	(	Addr	address,
		MachineType	mach,
		DataBlock &	data,
		Cycles	initialRequestTime,
		Cycles	forwardRequestTime,
		Cycles	firstResponseTime
	)

Definition at line 470 of file GPUCoalescer.cc.

References writeCallback().

Member Data Documentation

◆ assumingRfOCoherence

bool GPUCoalescer::assumingRfOCoherence

protected

Definition at line 294 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), and makeRequest().

◆ CP_LdMiss

Stats::Scalar GPUCoalescer::CP_LdMiss

protected

Definition at line 310 of file GPUCoalescer.hh.

Referenced by recordCPReadCallBack(), and regStats().

◆ CP_StMiss

Stats::Scalar GPUCoalescer::CP_StMiss

protected

Definition at line 315 of file GPUCoalescer.hh.

Referenced by recordCPWriteCallBack(), and regStats().

◆ CP_TCCLdHits

Stats::Scalar GPUCoalescer::CP_TCCLdHits

protected

Definition at line 309 of file GPUCoalescer.hh.

Referenced by recordCPReadCallBack(), and regStats().

◆ CP_TCCStHits

Stats::Scalar GPUCoalescer::CP_TCCStHits

protected

Definition at line 314 of file GPUCoalescer.hh.

Referenced by recordCPWriteCallBack(), and regStats().

◆ CP_TCPLdHits

Stats::Scalar GPUCoalescer::CP_TCPLdHits

protected

Definition at line 307 of file GPUCoalescer.hh.

Referenced by recordCPReadCallBack(), and regStats().

◆ CP_TCPLdTransfers

Stats::Scalar GPUCoalescer::CP_TCPLdTransfers

protected

Definition at line 308 of file GPUCoalescer.hh.

Referenced by recordCPReadCallBack(), and regStats().

◆ CP_TCPStHits

Stats::Scalar GPUCoalescer::CP_TCPStHits

protected

Definition at line 312 of file GPUCoalescer.hh.

Referenced by recordCPWriteCallBack(), and regStats().

◆ CP_TCPStTransfers

Stats::Scalar GPUCoalescer::CP_TCPStTransfers

protected

Definition at line 313 of file GPUCoalescer.hh.

Referenced by recordCPWriteCallBack(), and regStats().

◆ deadlockCheckEvent

EventFunctionWrapper GPUCoalescer::deadlockCheckEvent

protected

Definition at line 293 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), insertRequest(), and wakeup().

◆ GPU_LdMiss

Stats::Scalar GPUCoalescer::GPU_LdMiss

protected

Definition at line 300 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_StMiss

Stats::Scalar GPUCoalescer::GPU_StMiss

protected

Definition at line 305 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCCLdHits

Stats::Scalar GPUCoalescer::GPU_TCCLdHits

protected

Definition at line 299 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCCStHits

Stats::Scalar GPUCoalescer::GPU_TCCStHits

protected

Definition at line 304 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCPLdHits

Stats::Scalar GPUCoalescer::GPU_TCPLdHits

protected

Definition at line 297 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCPLdTransfers

Stats::Scalar GPUCoalescer::GPU_TCPLdTransfers

protected

Definition at line 298 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCPStHits

Stats::Scalar GPUCoalescer::GPU_TCPStHits

protected

Definition at line 302 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ GPU_TCPStTransfers

Stats::Scalar GPUCoalescer::GPU_TCPStTransfers

protected

Definition at line 303 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), and regStats().

◆ issueEvent

EventFunctionWrapper GPUCoalescer::issueEvent

protected

Definition at line 258 of file GPUCoalescer.hh.

Referenced by VIPERCoalescer::makeRequest(), and makeRequest().

◆ kernelEndList

std::unordered_map<int, PacketPtr> GPUCoalescer::kernelEndList

protected

Definition at line 283 of file GPUCoalescer.hh.

Referenced by insertKernel(), VIPERCoalescer::invCallback(), kernelCallback(), VIPERCoalescer::makeRequest(), and VIPERCoalescer::wbCallback().

◆ m_dataCache_ptr

CacheMemory* GPUCoalescer::m_dataCache_ptr

protected

Definition at line 266 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), handleLlsc(), hitCallback(), VIPERCoalescer::invL1(), VIPERCoalescer::invwbL1(), and VIPERCoalescer::wbL1().

◆ m_deadlock_check_scheduled

bool GPUCoalescer::m_deadlock_check_scheduled

protected

Definition at line 282 of file GPUCoalescer.hh.

◆ m_deadlock_threshold

int GPUCoalescer::m_deadlock_threshold

protected

Definition at line 264 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), insertRequest(), and wakeup().

◆ m_FirstResponseToCompletionDelayHist

std::vector<Stats::Histogram *> GPUCoalescer::m_FirstResponseToCompletionDelayHist

protected

Definition at line 338 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_ForwardToFirstResponseDelayHist

std::vector<Stats::Histogram *> GPUCoalescer::m_ForwardToFirstResponseDelayHist

protected

Definition at line 337 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_InitialToForwardDelayHist

std::vector<Stats::Histogram *> GPUCoalescer::m_InitialToForwardDelayHist

protected

Definition at line 336 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_instCache_ptr

CacheMemory* GPUCoalescer::m_instCache_ptr

protected

Definition at line 267 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), and hitCallback().

◆ m_IssueToInitialDelayHist

std::vector<Stats::Histogram *> GPUCoalescer::m_IssueToInitialDelayHist

protected

Histograms for recording the breakdown of miss latency.

Definition at line 335 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_latencyHist

Stats::Histogram GPUCoalescer::m_latencyHist

protected

Histogram for holding latency profile of all requests.

Definition at line 321 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_load_waiting_on_load_cycles

int GPUCoalescer::m_load_waiting_on_load_cycles

protected

Definition at line 289 of file GPUCoalescer.hh.

Referenced by getRequestStatus(), and GPUCoalescer().

◆ m_load_waiting_on_store_cycles

int GPUCoalescer::m_load_waiting_on_store_cycles

protected

Definition at line 288 of file GPUCoalescer.hh.

Referenced by getRequestStatus(), and GPUCoalescer().

◆ m_max_outstanding_requests

int GPUCoalescer::m_max_outstanding_requests

protected

Definition at line 263 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), and makeRequest().

◆ m_missLatencyHist

Stats::Histogram GPUCoalescer::m_missLatencyHist

protected

Histogram for holding latency profile of all requests that miss in the controller connected to this sequencer.

Definition at line 326 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missMachLatencyHist

std::vector<Stats::Histogram *> GPUCoalescer::m_missMachLatencyHist

protected

Histograms for profiling the latencies for requests that required external messages.

Definition at line 331 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missTypeLatencyHist

std::vector<Stats::Histogram *> GPUCoalescer::m_missTypeLatencyHist

protected

Definition at line 327 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_missTypeMachLatencyHist

std::vector< std::vector<Stats::Histogram *> > GPUCoalescer::m_missTypeMachLatencyHist

protected

Definition at line 332 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_outstanding_count

int GPUCoalescer::m_outstanding_count

protected

Definition at line 281 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), insertRequest(), makeRequest(), markRemoved(), print(), removeRequest(), and wakeup().

◆ m_outstandReqHist

Stats::Histogram GPUCoalescer::m_outstandReqHist

protected

Histogram for number of outstanding requests per cycle.

Definition at line 318 of file GPUCoalescer.hh.

Referenced by insertRequest(), and regStats().

◆ m_readRequestTable

RequestTable GPUCoalescer::m_readRequestTable

protected

Definition at line 279 of file GPUCoalescer.hh.

Referenced by empty(), getRequestStatus(), insertRequest(), mapAddrToPkt(), markRemoved(), print(), readCallback(), removeRequest(), and wakeup().

◆ m_runningGarnetStandalone

bool GPUCoalescer::m_runningGarnetStandalone

protected

Definition at line 291 of file GPUCoalescer.hh.

Referenced by GPUCoalescer(), and writeCallback().

◆ m_store_waiting_on_load_cycles

int GPUCoalescer::m_store_waiting_on_load_cycles

protected

Definition at line 286 of file GPUCoalescer.hh.

Referenced by getRequestStatus(), and GPUCoalescer().

◆ m_store_waiting_on_store_cycles

int GPUCoalescer::m_store_waiting_on_store_cycles

protected

Definition at line 287 of file GPUCoalescer.hh.

Referenced by getRequestStatus(), and GPUCoalescer().

◆ m_typeLatencyHist

std::vector<Stats::Histogram *> GPUCoalescer::m_typeLatencyHist

protected

Definition at line 322 of file GPUCoalescer.hh.

Referenced by recordMissLatency(), regStats(), and resetStats().

◆ m_writeRequestTable

RequestTable GPUCoalescer::m_writeRequestTable

protected

Definition at line 278 of file GPUCoalescer.hh.

Referenced by atomicCallback(), empty(), getRequestStatus(), insertRequest(), markRemoved(), print(), removeRequest(), wakeup(), and writeCallback().

◆ newKernelEnds

std::vector<int> GPUCoalescer::newKernelEnds

protected

Definition at line 284 of file GPUCoalescer.hh.

Referenced by completeIssue(), VIPERCoalescer::invCallback(), VIPERCoalescer::makeRequest(), makeRequest(), and VIPERCoalescer::wbCallback().

◆ newRequests

std::vector<Addr> GPUCoalescer::newRequests

protected

Definition at line 275 of file GPUCoalescer.hh.

Referenced by completeIssue(), and makeRequest().

◆ reqCoalescer

CoalescingTable GPUCoalescer::reqCoalescer

protected

Definition at line 274 of file GPUCoalescer.hh.

Referenced by atomicCallback(), completeIssue(), hitCallback(), issueRequest(), and makeRequest().

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

mem/ruby/system/GPUCoalescer.hh
mem/ruby/system/GPUCoalescer.cc

Public Types

Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ CoalescingTable

◆ Params

◆ RequestTable

Constructor & Destructor Documentation

◆ GPUCoalescer() [1/2]

◆ ~GPUCoalescer()

◆ GPUCoalescer() [2/2]

Member Function Documentation

◆ atomicCallback()

◆ checkCoherence()

◆ collateStats()

◆ completeHitCallback()

◆ completeIssue()

◆ descheduleDeadlockEvent()

◆ empty()

◆ evictionCallback()

◆ getFirstResponseToCompletionDelayHist()

◆ getForwardRequestToFirstResponseHist()

◆ getInitialToForwardDelayHist()

◆ getIssueToInitialDelayHist()

◆ getLatencyHist()

◆ getMissLatencyHist()

◆ getMissMachLatencyHist()

◆ getMissTypeLatencyHist()

◆ getMissTypeMachLatencyHist()

◆ getOutstandReqHist()

◆ getRequestStatus()

◆ getTypeLatencyHist()

◆ handleLlsc()

◆ hitCallback()

◆ insertKernel()

◆ insertRequest()

◆ isDeadlockEventScheduled()

◆ issueRequest()

◆ kernelCallback()

◆ makeRequest()

◆ mapAddrToPkt()

◆ markRemoved()

◆ operator=()

◆ outstandingCount()

◆ print()

◆ printProgress()

◆ readCallback() [1/4]

◆ readCallback() [2/4]

◆ readCallback() [3/4]

◆ readCallback() [4/4]

◆ recordCPReadCallBack()

◆ recordCPWriteCallBack()

◆ recordMissLatency()

◆ recordRequestType()

◆ regStats()

◆ removeRequest()

◆ resetStats()

◆ tryCacheAccess()

◆ wakeup()

◆ writeCallback() [1/4]

◆ writeCallback() [2/4]

◆ writeCallback() [3/4]

◆ writeCallback() [4/4]

Member Data Documentation

◆ assumingRfOCoherence

◆ CP_LdMiss

◆ CP_StMiss

◆ CP_TCCLdHits

◆ CP_TCCStHits

◆ CP_TCPLdHits

◆ CP_TCPLdTransfers

◆ CP_TCPStHits

◆ CP_TCPStTransfers

◆ deadlockCheckEvent

◆ GPU_LdMiss