Indirect Pattern Detector entrt. More...

Inheritance diagram for gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry:

Public Member Functions
	IndirectPatternDetectorEntry (unsigned int num_addresses, unsigned int num_shifts)

void	invalidate () override
	Invalidate the block.

Public Member Functions inherited from gem5::TaggedEntry
	TaggedEntry ()

	~TaggedEntry ()=default

bool	isSecure () const
	Check if this block holds data from the secure memory space.

virtual bool	matchTag (Addr tag, bool is_secure) const
	Checks if the given tag information corresponds to this entry's.

virtual void	insert (const Addr tag, const bool is_secure)
	Insert the block by assigning it a tag and marking it valid.

void	invalidate () override
	Invalidate the block.

std::string	print () const override
	Prints relevant information about this entry.

bool	matchTag (const Addr tag) const override
	Checks if the given tag information corresponds to this entry's.

void	insert (const Addr tag) override
	Insert the block by assigning it a tag and marking it valid.

Public Member Functions inherited from gem5::CacheEntry
	CacheEntry ()=default

	~CacheEntry ()=default

virtual bool	isValid () const
	Checks if the entry is valid.

virtual Addr	getTag () const
	Get tag associated to this block.

Public Member Functions inherited from gem5::ReplaceableEntry
	ReplaceableEntry ()

virtual	~ReplaceableEntry ()=default

virtual void	setPosition (const uint32_t set, const uint32_t way)
	Set both the set and way.

uint32_t	getSet () const
	Get set number.

uint32_t	getWay () const
	Get way number.

Public Attributes
int64_t	idx1
	First index.

int64_t	idx2
	Second index.

bool	secondIndexSet
	Valid bit for the second index.

int	numMisses
	Number of misses currently recorded.

std::vector< std::vector< Addr > >	baseAddr
	Potential BaseAddr candidates for each recorded miss.

Public Attributes inherited from gem5::ReplaceableEntry
std::shared_ptr< replacement_policy::ReplacementData >	replacementData
	Replacement data associated to this entry.

Additional Inherited Members
Protected Member Functions inherited from gem5::TaggedEntry
virtual void	setSecure ()
	Set secure bit.

Protected Member Functions inherited from gem5::CacheEntry
virtual void	setTag (Addr _tag)
	Set tag associated to this block.

virtual void	setValid ()
	Set valid bit.

Protected Attributes inherited from gem5::ReplaceableEntry
uint32_t	_set
	Set to which this entry belongs.

uint32_t	_way
	Way (relative position within the set) to which this entry belongs.

Detailed Description

Indirect Pattern Detector entrt.

Definition at line 127 of file indirect_memory.hh.

Constructor & Destructor Documentation

◆ IndirectPatternDetectorEntry()

gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::IndirectPatternDetectorEntry	(	unsigned int	num_addresses,
		unsigned int	num_shifts )

inline

Definition at line 144 of file indirect_memory.hh.

Member Function Documentation

◆ invalidate()

void gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::invalidate ( )

inlineoverridevirtual

Invalidate the block.

Its contents are no longer valid.

Reimplemented from gem5::CacheEntry.

Definition at line 153 of file indirect_memory.hh.

References idx1, idx2, gem5::TaggedEntry::invalidate(), numMisses, and secondIndexSet.

Referenced by gem5::prefetch::IndirectMemory::allocateOrUpdateIPDEntry().

Member Data Documentation

◆ baseAddr

std::vector<std::vector<Addr> > gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::baseAddr

Potential BaseAddr candidates for each recorded miss.

The number of candidates per miss is determined by the number of elements in the shiftValues array.

Definition at line 142 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::trackMissIndex1(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

◆ idx1

int64_t gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::idx1

First index.

Definition at line 130 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::allocateOrUpdateIPDEntry(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex1().

◆ idx2

int64_t gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::idx2

Second index.

Definition at line 132 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::allocateOrUpdateIPDEntry(), invalidate(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

◆ numMisses

int gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::numMisses

Number of misses currently recorded.

Definition at line 136 of file indirect_memory.hh.

Referenced by invalidate(), gem5::prefetch::IndirectMemory::trackMissIndex1(), and gem5::prefetch::IndirectMemory::trackMissIndex2().

◆ secondIndexSet

bool gem5::prefetch::IndirectMemory::IndirectPatternDetectorEntry::secondIndexSet

Valid bit for the second index.

Definition at line 134 of file indirect_memory.hh.

Referenced by gem5::prefetch::IndirectMemory::allocateOrUpdateIPDEntry(), gem5::prefetch::IndirectMemory::calculatePrefetch(), and invalidate().

The documentation for this struct was generated from the following file:

mem/cache/prefetch/indirect_memory.hh

Public Member Functions

Public Attributes

Additional Inherited Members