gem5
v20.1.0.0
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#include <multiperspective_perceptron_tage.hh>
Classes | |
struct | BranchInfo |
struct | MPP_SCThreadHistory |
Public Member Functions | |
MPP_StatisticalCorrector (const MPP_StatisticalCorrectorParams *p) | |
void | initBias () override |
unsigned | getIndBias (Addr branch_pc, StatisticalCorrector::BranchInfo *bi, bool bias) const override |
unsigned | getIndBiasSK (Addr branch_pc, StatisticalCorrector::BranchInfo *bi) const override |
unsigned | getIndBiasBank (Addr branch_pc, StatisticalCorrector::BranchInfo *bi, int hitBank, int altBank) const override |
unsigned | getIndUpd (Addr branch_pc) const override |
int | gIndexLogsSubstr (int nbr, int i) override |
bool | scPredict (ThreadID tid, Addr branch_pc, bool cond_branch, StatisticalCorrector::BranchInfo *bi, bool prev_pred_taken, bool bias_bit, bool use_conf_ctr, int8_t conf_ctr, unsigned conf_bits, int hitBank, int altBank, int64_t phist, int init_lsum) override |
void | condBranchUpdate (ThreadID tid, Addr branch_pc, bool taken, StatisticalCorrector::BranchInfo *bi, Addr corrTarget, bool b, int hitBank, int altBank, int64_t phist) override |
virtual void | getBiasLSUM (Addr branch_pc, StatisticalCorrector::BranchInfo *bi, int &lsum) const =0 |
void | gUpdate (Addr branch_pc, bool taken, int64_t hist, std::vector< int > &length, std::vector< int8_t > *tab, int nbr, int logs, std::vector< int8_t > &w, StatisticalCorrector::BranchInfo *bi) override |
Public Member Functions inherited from StatisticalCorrector | |
StatisticalCorrector (const StatisticalCorrectorParams *p) | |
virtual BranchInfo * | makeBranchInfo () |
virtual SCThreadHistory * | makeThreadHistory () |
unsigned | getIndUpds (Addr branch_pc) const |
virtual int | gPredictions (ThreadID tid, Addr branch_pc, BranchInfo *bi, int &lsum, int64_t phist)=0 |
int64_t | gIndex (Addr branch_pc, int64_t bhist, int logs, int nbr, int i) |
int | gPredict (Addr branch_pc, int64_t hist, std::vector< int > &length, std::vector< int8_t > *tab, int nbr, int logs, std::vector< int8_t > &w) |
void | initGEHLTable (unsigned numLenghts, std::vector< int > lengths, std::vector< int8_t > *&table, unsigned logNumEntries, std::vector< int8_t > &w, int8_t wInitValue) |
virtual void | scHistoryUpdate (Addr branch_pc, const StaticInstPtr &inst, bool taken, BranchInfo *tage_bi, Addr corrTarget) |
virtual void | gUpdates (ThreadID tid, Addr pc, bool taken, BranchInfo *bi, int64_t phist)=0 |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
void | updateStats (bool taken, BranchInfo *bi) |
virtual size_t | getSizeInBits () const |
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 Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a port with a given name and index. 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 | 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... | |
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 |
Protected Attributes | |
int8_t | thirdH |
const unsigned | pnb |
const unsigned | logPnb |
std::vector< int > | pm |
std::vector< int8_t > * | pgehl |
std::vector< int8_t > | wp |
const unsigned | gnb |
const unsigned | logGnb |
std::vector< int > | gm |
std::vector< int8_t > * | ggehl |
std::vector< int8_t > | wg |
Protected Attributes inherited from StatisticalCorrector | |
SCThreadHistory * | scHistory |
const unsigned | logBias |
const unsigned | logSizeUp |
const unsigned | logSizeUps |
const unsigned | numEntriesFirstLocalHistories |
const unsigned | bwnb |
const unsigned | logBwnb |
std::vector< int > | bwm |
std::vector< int8_t > * | bwgehl |
std::vector< int8_t > | wbw |
const unsigned | lnb |
const unsigned | logLnb |
std::vector< int > | lm |
std::vector< int8_t > * | lgehl |
std::vector< int8_t > | wl |
const unsigned | inb |
const unsigned | logInb |
std::vector< int > | im |
std::vector< int8_t > * | igehl |
std::vector< int8_t > | wi |
std::vector< int8_t > | bias |
std::vector< int8_t > | biasSK |
std::vector< int8_t > | biasBank |
std::vector< int8_t > | wb |
int | updateThreshold |
std::vector< int > | pUpdateThreshold |
const unsigned | chooserConfWidth |
const unsigned | updateThresholdWidth |
const unsigned | pUpdateThresholdWidth |
const unsigned | extraWeightsWidth |
const unsigned | scCountersWidth |
int8_t | firstH |
int8_t | secondH |
StatisticalCorrector::StatisticalCorrectorStats | 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... | |
Additional Inherited Members | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
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) |
Protected Member Functions inherited from StatisticalCorrector | |
template<typename T > | |
void | ctrUpdate (T &ctr, bool taken, int nbits) |
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... | |
Definition at line 94 of file multiperspective_perceptron_tage.hh.
MPP_StatisticalCorrector::MPP_StatisticalCorrector | ( | const MPP_StatisticalCorrectorParams * | p | ) |
Definition at line 270 of file multiperspective_perceptron_tage.cc.
References ggehl, gm, gnb, StatisticalCorrector::initGEHLTable(), logGnb, logPnb, pgehl, pm, pnb, wg, StatisticalCorrector::wl, and wp.
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 559 of file multiperspective_perceptron_tage.cc.
References PowerISA::bi, StatisticalCorrector::bias, StatisticalCorrector::biasSK, StatisticalCorrector::chooserConfWidth, StatisticalCorrector::ctrUpdate(), StatisticalCorrector::firstH, getIndBias(), getIndBiasSK(), getIndUpd(), StatisticalCorrector::gUpdates(), StatisticalCorrector::pUpdateThreshold, StatisticalCorrector::pUpdateThresholdWidth, StatisticalCorrector::scCountersWidth, StatisticalCorrector::secondH, and thirdH.
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pure virtual |
Implemented in MPP_StatisticalCorrector_64KB, and MPP_StatisticalCorrector_8KB.
Referenced by scPredict().
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 298 of file multiperspective_perceptron_tage.cc.
References PowerISA::bi, and StatisticalCorrector::logBias.
Referenced by condBranchUpdate(), MPP_StatisticalCorrector_8KB::getBiasLSUM(), and MPP_StatisticalCorrector_64KB::getBiasLSUM().
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overridevirtual |
Implements StatisticalCorrector.
Definition at line 314 of file multiperspective_perceptron_tage.cc.
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 306 of file multiperspective_perceptron_tage.cc.
References PowerISA::bi, and StatisticalCorrector::logBias.
Referenced by condBranchUpdate(), MPP_StatisticalCorrector_8KB::getBiasLSUM(), and MPP_StatisticalCorrector_64KB::getBiasLSUM().
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 327 of file multiperspective_perceptron_tage.cc.
References StatisticalCorrector::logSizeUp.
Referenced by condBranchUpdate(), MPP_StatisticalCorrector_8KB::gPredictions(), and MPP_StatisticalCorrector_64KB::gPredictions().
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overridevirtual |
Implements StatisticalCorrector.
Definition at line 321 of file multiperspective_perceptron_tage.cc.
References ArmISA::i.
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 333 of file multiperspective_perceptron_tage.cc.
References StatisticalCorrector::ctrUpdate(), StatisticalCorrector::gIndex(), ArmISA::i, MipsISA::index, length, and StatisticalCorrector::scCountersWidth.
Referenced by MPP_StatisticalCorrector_8KB::gUpdates(), and MPP_StatisticalCorrector_64KB::gUpdates().
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 284 of file multiperspective_perceptron_tage.cc.
References StatisticalCorrector::bias, StatisticalCorrector::biasSK, ArmISA::j, and StatisticalCorrector::logBias.
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overridevirtual |
Reimplemented from StatisticalCorrector.
Definition at line 348 of file multiperspective_perceptron_tage.cc.
References PowerISA::bi, StatisticalCorrector::firstH, getBiasLSUM(), StatisticalCorrector::gPredictions(), StatisticalCorrector::secondH, and thirdH.
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Definition at line 105 of file multiperspective_perceptron_tage.hh.
Referenced by MPP_StatisticalCorrector_8KB::getSizeInBits(), MPP_StatisticalCorrector_64KB::getSizeInBits(), MPP_StatisticalCorrector_8KB::gPredictions(), MPP_StatisticalCorrector_64KB::gPredictions(), MPP_StatisticalCorrector_8KB::gUpdates(), MPP_StatisticalCorrector_64KB::gUpdates(), and MPP_StatisticalCorrector().
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Definition at line 106 of file multiperspective_perceptron_tage.hh.
Referenced by MPP_StatisticalCorrector_8KB::getSizeInBits(), MPP_StatisticalCorrector_64KB::getSizeInBits(), MPP_StatisticalCorrector_8KB::gPredictions(), MPP_StatisticalCorrector_64KB::gPredictions(), MPP_StatisticalCorrector_8KB::gUpdates(), MPP_StatisticalCorrector_64KB::gUpdates(), and MPP_StatisticalCorrector().
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Definition at line 99 of file multiperspective_perceptron_tage.hh.
Referenced by MPP_StatisticalCorrector_8KB::getSizeInBits(), MPP_StatisticalCorrector_64KB::getSizeInBits(), MPP_StatisticalCorrector_8KB::gPredictions(), MPP_StatisticalCorrector_64KB::gPredictions(), MPP_StatisticalCorrector_8KB::gUpdates(), MPP_StatisticalCorrector_64KB::gUpdates(), and MPP_StatisticalCorrector().
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Definition at line 98 of file multiperspective_perceptron_tage.hh.
Referenced by MPP_StatisticalCorrector_8KB::getSizeInBits(), MPP_StatisticalCorrector_64KB::getSizeInBits(), MPP_StatisticalCorrector_8KB::gPredictions(), MPP_StatisticalCorrector_64KB::gPredictions(), MPP_StatisticalCorrector_8KB::gUpdates(), MPP_StatisticalCorrector_64KB::gUpdates(), and MPP_StatisticalCorrector().
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Definition at line 96 of file multiperspective_perceptron_tage.hh.
Referenced by condBranchUpdate(), and scPredict().
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