#include <dispatcher.hh>

Inheritance diagram for GpuDispatcher:

Classes
class	TickEvent

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 MemObject
typedef MemObjectParams	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
	Serialize an object. More...

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

void	notifyWgCompl (Wavefront *w)

void	scheduleDispatch ()

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

virtual BaseMasterPort &	getMasterPort (const std::string &if_name, PortID idx)
	Get a master port with a given name and index. More...

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

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

Tick	write (PacketPtr pkt)
	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, 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

virtual BaseSlavePort &	getSlavePort (const std::string &if_name, PortID idx=InvalidPortID)
	Get a slave port with a given name and index. More...

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

	MemObject (const Params *params)

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)

void	regStats () override
	Register statistics for this object. More...

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	resetStats ()
	Reset statistics associated with this object. 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 Clocked
void	updateClockPeriod () const
	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

TickEvent	tickEvent

TranslationBuffer	tlb

Protected Attributes inherited from DmaDevice
DmaPort	dmaPort

Protected Attributes inherited from PioDevice
System *	sys

PioPort	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

Stats::Scalar	numPwrStateTransitions

Stats::Distribution	pwrStateClkGateDist

Stats::Vector	pwrStateResidencyTicks

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...

Detailed Description

Definition at line 53 of file dispatcher.hh.

Member Typedef Documentation

typedef GpuDispatcherParams GpuDispatcher::Params

Definition at line 56 of file dispatcher.hh.

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

protected

Definition at line 103 of file dispatcher.hh.

Constructor & Destructor Documentation

GpuDispatcher::GpuDispatcher ( const Params * p )

Definition at line 49 of file dispatcher.cc.

References csprintf(), Stats::DataWrap< Derived, InfoProxyType >::desc(), driver, NDRange::globalWgId, ClDriver::handshake(), Shader::handshake(), SimObject::name(), Stats::DataWrap< Derived, InfoProxyType >::name(), ndRange, num_kernelLaunched, EventManager::schedule(), shader, tickEvent, tlbPort, and NDRange::wg_disp_rem.

GpuDispatcher::~GpuDispatcher ( )

inline

Definition at line 111 of file dispatcher.hh.

Member Function Documentation

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

Definition at line 351 of file dispatcher.cc.

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

Referenced by notifyWgCompl(), and write().

void GpuDispatcher::exec ( )

Definition at line 261 of file dispatcher.cc.

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

AddrRangeList GpuDispatcher::getAddrRanges ( ) const

virtual

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 110 of file dispatcher.cc.

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

static GpuDispatcher* GpuDispatcher::getInstance ( )

inlinestatic

Definition at line 129 of file dispatcher.hh.

References instance.

BaseMasterPort & GpuDispatcher::getMasterPort	(	const std::string &	if_name,
		PortID	idx
	)

virtual

Get a master port with a given name and index.

This is used at binding time and returns a reference to a protocol-agnostic base master 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 251 of file dispatcher.cc.

References DmaDevice::getMasterPort(), and tlbPort.

int GpuDispatcher::getNumCUs ( )

Definition at line 385 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

uint32_t GpuDispatcher::getStaticContextSize ( ) const

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

Definition at line 403 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

MasterID GpuDispatcher::masterId ( )

inline

Definition at line 69 of file dispatcher.hh.

References _masterId.

void GpuDispatcher::notifyWgCompl ( Wavefront * w )

Definition at line 306 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 ComputeUnit::DataPort::recvTimingResp().

Tick GpuDispatcher::read ( PacketPtr pkt )

virtual

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 123 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::set().

void GpuDispatcher::scheduleDispatch ( )

Definition at line 344 of file dispatcher.cc.

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

Referenced by HsailISA::Ret::execute().

void GpuDispatcher::serialize ( CheckpointOut & cp ) const

virtual

Serialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 81 of file dispatcher.cc.

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

void GpuDispatcher::setFuncargsSize ( int funcargs_size )

Definition at line 397 of file dispatcher.cc.

References Shader::funcargs_size, and shader.

Referenced by ClDriver::handshake().

static void GpuDispatcher::setInstance ( GpuDispatcher * _instance )

inlinestatic

Definition at line 124 of file dispatcher.hh.

References instance.

void GpuDispatcher::unserialize ( CheckpointIn & cp )

virtual

Unserialize an object.

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

Parameters

cp	Checkpoint state

Implements Serializable.

Definition at line 96 of file dispatcher.cc.

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

int GpuDispatcher::wfSize ( ) const

Definition at line 391 of file dispatcher.cc.

References Shader::cuList, and shader.

Referenced by ClDriver::ioctl().

Tick GpuDispatcher::write ( PacketPtr pkt )

virtual

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 153 of file dispatcher.cc.

References accessUserVar(), NDRange::addrToNotify, HsaQueueEntry::addrToNotify, Request::contextId(), cpu, NDRange::curCid, curTask, curTick(), HsaQueueEntry::depends, dispatchActive, NDRange::dispatchId, divCeil(), DPRINTF, HostState::event, NDRange::execDone, execIds, HsaQueueEntry::gdSize, Packet::get(), Packet::getAddr(), 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 GpuDispatcher::_masterId

protected

Definition at line 72 of file dispatcher.hh.

Referenced by masterId().

BaseCPU* GpuDispatcher::cpu

protected

Definition at line 93 of file dispatcher.hh.

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

HsaQueueEntry GpuDispatcher::curTask

protected

Definition at line 79 of file dispatcher.hh.

Referenced by read(), and write().

bool GpuDispatcher::dispatchActive

protected

Definition at line 91 of file dispatcher.hh.

Referenced by read(), and write().

uint64_t GpuDispatcher::dispatchCount

protected

Definition at line 89 of file dispatcher.hh.

std::queue<int> GpuDispatcher::doneIds

protected

Definition at line 87 of file dispatcher.hh.

Referenced by exec(), and notifyWgCompl().

ClDriver* GpuDispatcher::driver

protected

Definition at line 95 of file dispatcher.hh.

Referenced by GpuDispatcher().

std::queue<int> GpuDispatcher::execIds

protected

Definition at line 85 of file dispatcher.hh.

Referenced by exec(), and write().

GpuDispatcher * GpuDispatcher::instance = nullptr

staticprotected

Definition at line 98 of file dispatcher.hh.

Referenced by getInstance(), and setInstance().

NDRange GpuDispatcher::ndRange

protected

Definition at line 82 of file dispatcher.hh.

Referenced by GpuDispatcher(), and serialize().

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

protected

Definition at line 81 of file dispatcher.hh.

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

Stats::Scalar GpuDispatcher::num_kernelLaunched

Definition at line 108 of file dispatcher.hh.

Referenced by GpuDispatcher(), and write().

Addr GpuDispatcher::pioAddr

protected

Definition at line 75 of file dispatcher.hh.

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

Tick GpuDispatcher::pioDelay

protected

Definition at line 77 of file dispatcher.hh.

Referenced by read(), and write().

Addr GpuDispatcher::pioSize

protected

Definition at line 76 of file dispatcher.hh.

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

Shader* GpuDispatcher::shader

protected

Definition at line 94 of file dispatcher.hh.

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

TickEvent GpuDispatcher::tickEvent

protected

Definition at line 96 of file dispatcher.hh.

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

TranslationBuffer GpuDispatcher::tlb

protected

Definition at line 104 of file dispatcher.hh.

TLBPort* GpuDispatcher::tlbPort

Definition at line 149 of file dispatcher.hh.

Referenced by Shader::functionalTLBAccess(), getMasterPort(), 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

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation