gem5
v20.1.0.0
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#include <VIPERCoalescer.hh>
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 | writeCompleteCallback (Addr address, uint64_t instSeqNum) |
void | invTCPCallback (Addr address) |
RequestStatus | makeRequest (PacketPtr pkt) override |
void | issueRequest (CoalescedRequest *crequest) override |
Public Member Functions inherited from GPUCoalescer | |
GPUCoalescer (const Params *) | |
~GPUCoalescer () | |
Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
Get a port with a given name and index. More... | |
void | wakeup () |
void | printRequestTable (std::stringstream &ss) |
void | printProgress (std::ostream &out) const |
void | resetStats () override |
Callback to reset stats. More... | |
void | collateStats () |
void | regStats () override |
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 | writeCompleteCallback (Addr address, uint64_t instSeqNum, MachineType mach) |
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) |
virtual void | atomicCallback (Addr address, MachineType mach, const DataBlock &data) |
int | outstandingCount () const override |
bool | isDeadlockEventScheduled () const override |
void | descheduleDeadlockEvent () override |
bool | empty () const |
void | print (std::ostream &out) const |
void | evictionCallback (Addr address) |
void | completeIssue () |
void | insertKernel (int wavefront_id, PacketPtr pkt) |
GMTokenPort & | getGMTokenPort () |
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 |
Draining is the process of clearing out the states of SimObjects.These are the SimObjects that are partially executed or are partially in flight. More... | |
bool | isCPUSequencer () |
virtual int | functionalWrite (Packet *func_pkt) |
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... | |
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 | |
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) |
This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More... | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. More... | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
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 (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... | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. More... | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
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 | invTCP () |
Invalidate TCP (Acquire) More... | |
void | makeWriteCompletePkts (CoalescedRequest *crequest) |
Private Attributes | |
PacketPtr | m_cache_inv_pkt |
int | m_num_pending_invs |
std::unordered_map< uint64_t, std::vector< PacketPtr > > | m_writeCompletePktMap |
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 () |
Gets the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
Serializes all the SimObjects. More... | |
static void | unserializeGlobals (CheckpointIn &cp) |
Public Attributes inherited from ClockedObject | |
PowerState * | powerState |
Protected Member Functions inherited from GPUCoalescer | |
bool | tryCacheAccess (Addr addr, RubyRequestType type, Addr pc, RubyAccessMode access_mode, int size, DataBlock *&data_ptr) |
virtual void | issueMemSyncRequest (PacketPtr pkt) |
void | kernelCallback (int wavefront_id) |
void | hitCallback (CoalescedRequest *crequest, MachineType mach, DataBlock &data, bool success, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool isRegion) |
void | recordMissLatency (CoalescedRequest *crequest, MachineType mach, Cycles initialRequestTime, Cycles forwardRequestTime, Cycles firstResponseTime, bool success, bool isRegion) |
void | completeHitCallback (std::vector< PacketPtr > &mylist) |
virtual RubyRequestType | getRequestType (PacketPtr pkt) |
bool | coalescePacket (PacketPtr pkt) |
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 request_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 |
Cycles | m_deadlock_threshold |
CacheMemory * | m_dataCache_ptr |
CacheMemory * | m_instCache_ptr |
int | coalescingWindow |
UncoalescedTable | uncoalescedTable |
std::map< Addr, std::deque< CoalescedRequest * > > | coalescedTable |
std::unordered_map< uint64_t, PendingWriteInst > | pendingWriteInsts |
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::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< MemResponsePort * > | response_ports |
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... | |
Definition at line 54 of file VIPERCoalescer.hh.
typedef VIPERCoalescerParams VIPERCoalescer::Params |
Definition at line 57 of file VIPERCoalescer.hh.
VIPERCoalescer::VIPERCoalescer | ( | const Params * | p | ) |
Definition at line 62 of file VIPERCoalescer.cc.
VIPERCoalescer::~VIPERCoalescer | ( | ) |
Definition at line 69 of file VIPERCoalescer.cc.
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private |
Invalidate TCP (Acquire)
Definition at line 279 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_num_pending_invs, and AbstractController::mandatoryQueueLatency().
Referenced by makeRequest().
void VIPERCoalescer::invTCPCallback | ( | Addr | address | ) |
Definition at line 262 of file VIPERCoalescer.cc.
References GPUCoalescer::completeHitCallback(), m_cache_inv_pkt, and m_num_pending_invs.
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overridevirtual |
Implements GPUCoalescer.
Definition at line 117 of file VIPERCoalescer.cc.
References DataBlock::clear(), Clocked::clockEdge(), Clocked::clockPeriod(), Packet::cmd, curTick(), Clocked::cyclesToTicks(), GPUCoalescer::deadlockCheckEvent, DPRINTFR, MessageBuffer::enqueue(), fatal_if, Packet::getAddr(), Packet::getAtomicOp(), RubySystem::getBlockSizeBytes(), CoalescedRequest::getFirstPkt(), CoalescedRequest::getPackets(), Packet::getPtr(), CoalescedRequest::getRubyType(), CoalescedRequest::getSeqNum(), Packet::getSize(), ArmISA::i, Packet::isAtomicOp(), Packet::isWrite(), ArmISA::j, RubyPort::m_controller, GPUCoalescer::m_deadlock_threshold, RubyPort::m_mandatory_q_ptr, RubyPort::m_version, makeLineAddress(), makeWriteCompletePkts(), AbstractController::mandatoryQueueLatency(), MipsISA::pc, printAddress(), Packet::req, EventManager::schedule(), Event::scheduled(), DataBlock::setData(), and MemCmd::WriteReq.
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overridevirtual |
Reimplemented from GPUCoalescer.
Definition at line 76 of file VIPERCoalescer.cc.
References Packet::cmd, invTCP(), Packet::isAtomicOp(), m_cache_inv_pkt, GPUCoalescer::makeRequest(), MemCmd::MemSyncReq, MemCmd::ReadReq, Packet::req, and MemCmd::WriteReq.
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private |
Definition at line 203 of file VIPERCoalescer.cc.
References DPRINTF, CoalescedRequest::getPackets(), CoalescedRequest::getSeqNum(), m_writeCompletePktMap, Packet::senderState, Packet::setAddr(), MemCmd::WriteCompleteResp, and MemCmd::WriteReq.
Referenced by issueRequest().
void VIPERCoalescer::writeCompleteCallback | ( | Addr | address, |
uint64_t | instSeqNum | ||
) |
Definition at line 232 of file VIPERCoalescer.cc.
References addr, DPRINTF, GPUCoalescer::empty(), RubyPort::MemResponsePort::hitCallback(), m_writeCompletePktMap, makeLineAddress(), ArmISA::ss, and RubyPort::trySendRetries().
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private |
Definition at line 73 of file VIPERCoalescer.hh.
Referenced by invTCPCallback(), and makeRequest().
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private |
Definition at line 76 of file VIPERCoalescer.hh.
Referenced by invTCP(), and invTCPCallback().
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private |
Definition at line 85 of file VIPERCoalescer.hh.
Referenced by makeWriteCompletePkts(), and writeCompleteCallback().