#include <VIPERCoalescer.hh>

Inheritance diagram for VIPERCoalescer:

Public Types
typedef VIPERCoalescerParams	Params

Public Types inherited from GPUCoalescer
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
	VIPERCoalescer (const Params *)

	~VIPERCoalescer ()

void	wbCallback (Addr address)

void	invCallback (Addr address)

RequestStatus	makeRequest (PacketPtr pkt)

Public Member Functions inherited from GPUCoalescer
	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)

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

Private Member Functions
void	invL1 ()
	Invalidate L1 cache (Acquire) More...

void	wbL1 ()
	Writeback L1 cache (Release) More...

void	invwbL1 ()
	Invalidate and Writeback L1 cache (Acquire&Release) More...

Private Attributes
uint64_t	m_outstanding_inv

uint64_t	m_outstanding_wb

uint64_t	m_max_inv_per_cycle

uint64_t	m_max_wb_per_cycle

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

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

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

Protected Member Functions inherited from GPUCoalescer
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 inherited from GPUCoalescer
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...

Detailed Description

Definition at line 56 of file VIPERCoalescer.hh.

Member Typedef Documentation

◆ Params

typedef VIPERCoalescerParams VIPERCoalescer::Params

Definition at line 59 of file VIPERCoalescer.hh.

Constructor & Destructor Documentation

◆ VIPERCoalescer()

VIPERCoalescer::VIPERCoalescer ( const Params * p )

Definition at line 68 of file VIPERCoalescer.cc.

References m_max_inv_per_cycle, m_max_wb_per_cycle, m_outstanding_inv, and m_outstanding_wb.

◆ ~VIPERCoalescer()

VIPERCoalescer::~VIPERCoalescer ( )

Definition at line 77 of file VIPERCoalescer.cc.

Member Function Documentation

◆ invCallback()

void VIPERCoalescer::invCallback ( Addr address )

Definition at line 186 of file VIPERCoalescer.cc.

References GPUCoalescer::completeIssue(), GPUCoalescer::kernelEndList, m_outstanding_inv, m_outstanding_wb, GPUCoalescer::newKernelEnds, and RubyPort::trySendRetries().

◆ invL1()

void VIPERCoalescer::invL1 ( )

private

Invalidate L1 cache (Acquire)

Definition at line 206 of file VIPERCoalescer.cc.

References addr, Clocked::clockEdge(), Clocked::cyclesToTicks(), DPRINTF, MessageBuffer::enqueue(), CacheMemory::getAddressAtIdx(), CacheMemory::getNumBlocks(), ArmISA::i, RubyPort::m_controller, GPUCoalescer::m_dataCache_ptr, RubyPort::m_mandatory_q_ptr, m_outstanding_inv, and AbstractController::mandatoryQueueLatency().

Referenced by makeRequest().

◆ invwbL1()

void VIPERCoalescer::invwbL1 ( )

private

Invalidate and Writeback L1 cache (Acquire&Release)

Definition at line 268 of file VIPERCoalescer.cc.

References addr, Clocked::clockEdge(), Clocked::cyclesToTicks(), MessageBuffer::enqueue(), CacheMemory::getAddressAtIdx(), CacheMemory::getNumBlocks(), ArmISA::i, RubyPort::m_controller, GPUCoalescer::m_dataCache_ptr, RubyPort::m_mandatory_q_ptr, m_outstanding_inv, m_outstanding_wb, and AbstractController::mandatoryQueueLatency().

Referenced by makeRequest().

◆ makeRequest()

RequestStatus VIPERCoalescer::makeRequest ( PacketPtr pkt )

virtual

Reimplemented from GPUCoalescer.

Definition at line 91 of file VIPERCoalescer.cc.

References GPUCoalescer::completeIssue(), curTick(), EventManager::deschedule(), DPRINTF, GPUCoalescer::insertKernel(), invL1(), invwbL1(), GPUCoalescer::issueEvent, GPUCoalescer::kernelEndList, m_outstanding_inv, m_outstanding_wb, GPUCoalescer::makeRequest(), GPUCoalescer::newKernelEnds, Packet::req, EventManager::schedule(), Event::scheduled(), and wbL1().

◆ wbCallback()

void VIPERCoalescer::wbCallback ( Addr address )

Definition at line 170 of file VIPERCoalescer.cc.

References GPUCoalescer::completeIssue(), GPUCoalescer::kernelEndList, m_outstanding_wb, GPUCoalescer::newKernelEnds, and RubyPort::trySendRetries().

◆ wbL1()

void VIPERCoalescer::wbL1 ( )

private

Writeback L1 cache (Release)

Definition at line 237 of file VIPERCoalescer.cc.

References addr, Clocked::clockEdge(), Clocked::cyclesToTicks(), DPRINTF, MessageBuffer::enqueue(), CacheMemory::getAddressAtIdx(), CacheMemory::getNumBlocks(), ArmISA::i, RubyPort::m_controller, GPUCoalescer::m_dataCache_ptr, RubyPort::m_mandatory_q_ptr, m_outstanding_wb, and AbstractController::mandatoryQueueLatency().

Referenced by makeRequest().

Member Data Documentation

◆ m_max_inv_per_cycle

uint64_t VIPERCoalescer::m_max_inv_per_cycle

private

Definition at line 71 of file VIPERCoalescer.hh.

Referenced by VIPERCoalescer().

◆ m_max_wb_per_cycle

uint64_t VIPERCoalescer::m_max_wb_per_cycle

private

Definition at line 72 of file VIPERCoalescer.hh.

Referenced by VIPERCoalescer().

◆ m_outstanding_inv

uint64_t VIPERCoalescer::m_outstanding_inv

private

Definition at line 69 of file VIPERCoalescer.hh.

Referenced by invCallback(), invL1(), invwbL1(), makeRequest(), and VIPERCoalescer().

◆ m_outstanding_wb

uint64_t VIPERCoalescer::m_outstanding_wb

private

Definition at line 70 of file VIPERCoalescer.hh.

Referenced by invCallback(), invwbL1(), makeRequest(), VIPERCoalescer(), wbCallback(), and wbL1().

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

mem/ruby/system/VIPERCoalescer.hh
mem/ruby/system/VIPERCoalescer.cc

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

Constructor & Destructor Documentation

◆ VIPERCoalescer()

◆ ~VIPERCoalescer()

Member Function Documentation

◆ invCallback()

◆ invL1()

◆ invwbL1()

◆ makeRequest()

◆ wbCallback()

◆ wbL1()

Member Data Documentation

◆ m_max_inv_per_cycle

◆ m_max_wb_per_cycle

◆ m_outstanding_inv

◆ m_outstanding_wb