#include <dispatcher.hh>

Inheritance diagram for GpuDispatcher:

Classes
class	TLBPort

Public Types
typedef GpuDispatcherParams	Params

Public Types inherited from DmaDevice
typedef DmaDeviceParams	Params

Public Types inherited from PioDevice
typedef PioDeviceParams	Params

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

Public Types inherited from SimObject
typedef SimObjectParams	Params

Public Member Functions
MasterID	masterId ()

	GpuDispatcher (const Params *p)

	~GpuDispatcher ()

void	exec ()

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

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

void	notifyWgCompl (Wavefront *w)

void	scheduleDispatch ()

void	accessUserVar (BaseCPU *cpu, uint64_t addr, int val, int off)

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

AddrRangeList	getAddrRanges () const override
	Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More...

Tick	read (PacketPtr pkt) override
	Pure virtual function that the device must implement. More...

Tick	write (PacketPtr pkt) override
	Pure virtual function that the device must implement. More...

int	getNumCUs ()

int	wfSize () const

void	setFuncargsSize (int funcargs_size)

uint32_t	getStaticContextSize () const
	Returns the size of the static hardware context of a wavefront. More...

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

virtual	~DmaDevice ()

void	dmaWrite (Addr addr, int size, Event event, uint8_t data, uint32_t sid, uint32_t ssid, Tick delay=0)

void	dmaWrite (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

void	dmaRead (Addr addr, int size, Event event, uint8_t data, uint32_t sid, uint32_t ssid, Tick delay=0)

void	dmaRead (Addr addr, int size, Event event, uint8_t data, Tick delay=0)

bool	dmaPending () const

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

unsigned int	cacheBlockSize () const

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

virtual	~PioDevice ()

const Params *	params () const

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

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

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

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

Static Public Member Functions
static void	setInstance (GpuDispatcher *_instance)

static GpuDispatcher *	getInstance ()

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)

Public Attributes
Stats::Scalar	num_kernelLaunched

TLBPort *	tlbPort

Protected Types
typedef std::unordered_map< uint64_t, uint64_t >	TranslationBuffer

Protected Attributes
MasterID	_masterId

Addr	pioAddr

Addr	pioSize

Tick	pioDelay

HsaQueueEntry	curTask

std::unordered_map< int, NDRange >	ndRangeMap

NDRange	ndRange

std::queue< int >	execIds

std::queue< int >	doneIds

uint64_t	dispatchCount

bool	dispatchActive

BaseCPU *	cpu

Shader *	shader

ClDriver *	driver

EventFunctionWrapper	tickEvent

TranslationBuffer	tlb

Protected Attributes inherited from DmaDevice
DmaPort	dmaPort

Protected Attributes inherited from PioDevice
System *	sys

PioPort< PioDevice >	pioPort
	The pioPort that handles the requests for us and provides us requests that it sees. More...

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...

Static Protected Attributes
static GpuDispatcher *	instance = nullptr

Additional Inherited Members
Static Public Attributes inherited from Serializable
static int	ckptCount = 0

static int	ckptMaxCount = 0

static int	ckptPrevCount = -1

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...

Detailed Description

Definition at line 55 of file dispatcher.hh.

Member Typedef Documentation

◆ Params

typedef GpuDispatcherParams GpuDispatcher::Params

Definition at line 58 of file dispatcher.hh.

◆ TranslationBuffer

typedef std::unordered_map<uint64_t, uint64_t> GpuDispatcher::TranslationBuffer

protected

Definition at line 95 of file dispatcher.hh.

Constructor & Destructor Documentation

◆ GpuDispatcher()

GpuDispatcher::GpuDispatcher ( const Params * p )

◆ ~GpuDispatcher()

GpuDispatcher::~GpuDispatcher ( )

inline

Definition at line 103 of file dispatcher.hh.

References accessUserVar(), addr, exec(), notifyWgCompl(), scheduleDispatch(), serialize(), unserialize(), X86ISA::val, and MipsISA::w.

Member Function Documentation

◆ accessUserVar()

void GpuDispatcher::accessUserVar	(	BaseCPU *	cpu,
		uint64_t	addr,
		int	val,
		int	off
	)

Definition at line 355 of file dispatcher.cc.

References Shader::AccessMem(), panic, MemCmd::ReadReq, shader, and MemCmd::WriteReq.

Referenced by notifyWgCompl(), write(), and ~GpuDispatcher().

◆ exec()

void GpuDispatcher::exec ( )

Definition at line 265 of file dispatcher.cc.

References cpu, Shader::dispatch_workgroups(), doneIds, DPRINTF, execIds, Shader::hostWakeUp(), ndRangeMap, shader, and Shader::updateContext().

Referenced by GpuDispatcher(), and ~GpuDispatcher().

◆ getAddrRanges()

AddrRangeList GpuDispatcher::getAddrRanges ( ) const

overridevirtual

Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

Returns: a list of non-overlapping address ranges

Implements PioDevice.

Definition at line 114 of file dispatcher.cc.

References DPRINTF, pioAddr, pioSize, and RangeSize().

◆ getInstance()

static GpuDispatcher* GpuDispatcher::getInstance ( )

inlinestatic

Definition at line 121 of file dispatcher.hh.

References instance.

Referenced by GpuDispatcher().

◆ getNumCUs()

int GpuDispatcher::getNumCUs ( )

Definition at line 372 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

◆ getPort()

Port & GpuDispatcher::getPort	(	const std::string &	if_name,
		PortID	idx = `InvalidPortID`
	)

overridevirtual

Get a port with a given name and index.

This is used at binding time and returns a reference to a protocol-agnostic port.

Parameters

if_name	Port name
idx	Index in the case of a VectorPort

Returns: A reference to the given port

Reimplemented from DmaDevice.

Definition at line 255 of file dispatcher.cc.

References DmaDevice::getPort(), and tlbPort.

◆ getStaticContextSize()

uint32_t GpuDispatcher::getStaticContextSize ( ) const

Returns the size of the static hardware context of a wavefront.

Definition at line 390 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

◆ masterId()

MasterID GpuDispatcher::masterId ( )

inline

Definition at line 60 of file dispatcher.hh.

References _masterId.

◆ notifyWgCompl()

void GpuDispatcher::notifyWgCompl ( Wavefront * w )

Definition at line 310 of file dispatcher.cc.

References accessUserVar(), cpu, curTick(), doneIds, DPRINTF, HostState::event, MipsISA::event, Wavefront::kernId, ndRangeMap, ArmISA::q, Shader::ReadMem(), EventManager::schedule(), Event::scheduled(), shader, tickEvent, Shader::ticks(), and Shader::WriteMem().

Referenced by ~GpuDispatcher().

◆ read()

Tick GpuDispatcher::read ( PacketPtr pkt )

overridevirtual

Pure virtual function that the device must implement.

Called when a read command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements PioDevice.

Definition at line 127 of file dispatcher.cc.

References Packet::allocate(), curTask, dispatchActive, DPRINTF, Packet::getAddr(), Packet::getPtr(), Packet::getSize(), Packet::makeAtomicResponse(), ArmISA::offset, pioAddr, pioDelay, pioSize, and Packet::setLE().

◆ scheduleDispatch()

void GpuDispatcher::scheduleDispatch ( )

Definition at line 348 of file dispatcher.cc.

References curTick(), EventManager::schedule(), Event::scheduled(), shader, tickEvent, and Shader::ticks().

Referenced by HsailISA::Ret::execute(), and ~GpuDispatcher().

◆ serialize()

void GpuDispatcher::serialize ( CheckpointOut & cp ) const

overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 85 of file dispatcher.cc.

References fatal, ndRange, Event::scheduled(), SERIALIZE_SCALAR, tickEvent, NDRange::wg_disp_rem, and Event::when().

Referenced by ~GpuDispatcher().

◆ setFuncargsSize()

void GpuDispatcher::setFuncargsSize ( int funcargs_size )

Definition at line 384 of file dispatcher.cc.

References Shader::funcargs_size, and shader.

Referenced by ClDriver::handshake().

◆ setInstance()

static void GpuDispatcher::setInstance ( GpuDispatcher * _instance )

inlinestatic

Definition at line 116 of file dispatcher.hh.

Referenced by GpuDispatcher().

◆ unserialize()

void GpuDispatcher::unserialize ( CheckpointIn & cp )

overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 100 of file dispatcher.cc.

References EventManager::deschedule(), EventManager::schedule(), Event::scheduled(), tickEvent, and UNSERIALIZE_SCALAR.

Referenced by ~GpuDispatcher().

◆ wfSize()

int GpuDispatcher::wfSize ( ) const

Definition at line 378 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

◆ write()

Tick GpuDispatcher::write ( PacketPtr pkt )

overridevirtual

Pure virtual function that the device must implement.

Called when a write command is recieved by the port.

Parameters

pkt	Packet describing this request

Returns: number of ticks it took to complete

Implements PioDevice.

Definition at line 157 of file dispatcher.cc.

References accessUserVar(), NDRange::addrToNotify, HsaQueueEntry::addrToNotify, cpu, NDRange::curCid, curTask, curTick(), HsaQueueEntry::depends, dispatchActive, NDRange::dispatchId, divCeil(), DPRINTF, HostState::event, NDRange::execDone, execIds, HsaQueueEntry::gdSize, Packet::getAddr(), Packet::getLE(), Packet::getPtr(), Packet::getSize(), NDRange::globalWgId, ArmISA::i, Packet::makeAtomicResponse(), ndRangeMap, num_kernelLaunched, NDRange::numDispLeft, HsaQueueEntry::numDispLeft, NDRange::numWg, NDRange::numWgCompleted, NDRange::numWgTotal, ArmISA::offset, pioAddr, pioDelay, pioSize, NDRange::q, Shader::ReadMem(), Packet::req, EventManager::schedule(), Event::scheduled(), shader, tickEvent, Shader::ticks(), NDRange::wg_disp_rem, NDRange::wgId, HsaQueueEntry::wgSize, and Shader::WriteMem().

Member Data Documentation

◆ _masterId

MasterID GpuDispatcher::_masterId

protected

Definition at line 63 of file dispatcher.hh.

Referenced by masterId().

◆ cpu

BaseCPU* GpuDispatcher::cpu

protected

Definition at line 84 of file dispatcher.hh.

Referenced by exec(), notifyWgCompl(), and write().

◆ curTask

HsaQueueEntry GpuDispatcher::curTask

protected

Definition at line 70 of file dispatcher.hh.

Referenced by read(), and write().

◆ dispatchActive

bool GpuDispatcher::dispatchActive

protected

Definition at line 82 of file dispatcher.hh.

Referenced by read(), and write().

◆ dispatchCount

uint64_t GpuDispatcher::dispatchCount

protected

Definition at line 80 of file dispatcher.hh.

◆ doneIds

std::queue<int> GpuDispatcher::doneIds

protected

Definition at line 78 of file dispatcher.hh.

Referenced by exec(), and notifyWgCompl().

◆ driver

ClDriver* GpuDispatcher::driver

protected

Definition at line 86 of file dispatcher.hh.

Referenced by GpuDispatcher().

◆ execIds

std::queue<int> GpuDispatcher::execIds

protected

Definition at line 76 of file dispatcher.hh.

Referenced by exec(), and write().

◆ instance

GpuDispatcher * GpuDispatcher::instance = nullptr

staticprotected

Definition at line 90 of file dispatcher.hh.

Referenced by getInstance().

◆ ndRange

NDRange GpuDispatcher::ndRange

protected

Definition at line 73 of file dispatcher.hh.

Referenced by GpuDispatcher(), and serialize().

◆ ndRangeMap

std::unordered_map<int, NDRange> GpuDispatcher::ndRangeMap

protected

Definition at line 72 of file dispatcher.hh.

Referenced by exec(), notifyWgCompl(), and write().

◆ num_kernelLaunched

Stats::Scalar GpuDispatcher::num_kernelLaunched

Definition at line 100 of file dispatcher.hh.

Referenced by GpuDispatcher(), and write().

◆ pioAddr

Addr GpuDispatcher::pioAddr

protected

Definition at line 66 of file dispatcher.hh.

Referenced by getAddrRanges(), read(), and write().

◆ pioDelay

Tick GpuDispatcher::pioDelay

protected

Definition at line 68 of file dispatcher.hh.

Referenced by read(), and write().

◆ pioSize

Addr GpuDispatcher::pioSize

protected

Definition at line 67 of file dispatcher.hh.

Referenced by getAddrRanges(), read(), and write().

◆ shader

Shader* GpuDispatcher::shader

protected

Definition at line 85 of file dispatcher.hh.

Referenced by accessUserVar(), exec(), getNumCUs(), getStaticContextSize(), GpuDispatcher(), notifyWgCompl(), scheduleDispatch(), setFuncargsSize(), wfSize(), and write().

◆ tickEvent

EventFunctionWrapper GpuDispatcher::tickEvent

protected

Definition at line 87 of file dispatcher.hh.

Referenced by GpuDispatcher(), notifyWgCompl(), scheduleDispatch(), serialize(), unserialize(), and write().

◆ tlb

TranslationBuffer GpuDispatcher::tlb

protected

Definition at line 96 of file dispatcher.hh.

◆ tlbPort

TLBPort* GpuDispatcher::tlbPort

Definition at line 141 of file dispatcher.hh.

Referenced by Shader::functionalTLBAccess(), getPort(), and GpuDispatcher().

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

gpu-compute/dispatcher.hh
gpu-compute/dispatcher.cc

Classes

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Types

Protected Attributes

Static Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Params

◆ TranslationBuffer

Constructor & Destructor Documentation

◆ GpuDispatcher()

◆ ~GpuDispatcher()

Member Function Documentation

◆ accessUserVar()

◆ exec()

◆ getAddrRanges()

◆ getInstance()

◆ getNumCUs()

◆ getPort()

◆ getStaticContextSize()

◆ masterId()

◆ notifyWgCompl()

◆ read()

◆ scheduleDispatch()

◆ serialize()

◆ setFuncargsSize()

◆ setInstance()

◆ unserialize()

◆ wfSize()

◆ write()

Member Data Documentation

◆ _masterId

◆ cpu

◆ curTask

◆ dispatchActive

◆ dispatchCount

◆ doneIds

◆ driver

◆ execIds

◆ instance

◆ ndRange

◆ ndRangeMap

◆ num_kernelLaunched

◆ pioAddr

◆ pioDelay

◆ pioSize

◆ shader

◆ tickEvent

◆ tlb

◆ tlbPort