Prefetcher::SBOOE::Sandbox Class Reference

Public Member Functions
	Sandbox (unsigned int max_entries, int _stride)
void	access (Addr line, Tick tick)
	Update score and insert the line address being accessed into the FIFO queue of the sandbox. More...
unsigned int	score () const
	Calculate the useful score. More...

Public Attributes
const int	stride
	Sequential stride for this prefetcher. More...

Private Attributes
CircularQueue< SandboxEntry >	entries
	FIFO queue containing the sandbox entries. More...
unsigned int	sandboxScore
	Accesses during the eval period that were present in the sandbox. More...
unsigned int	lateScore
	Hits in the sandbox that wouldn't have been filled on time. More...

Detailed Description

Definition at line 93 of file sbooe.hh.

Constructor & Destructor Documentation

Sandbox()

Prefetcher::SBOOE::Sandbox::Sandbox ( unsigned int  max_entries, int  _stride  )

inline

Definition at line 112 of file sbooe.hh.

Member Function Documentation

access()

void Prefetcher::SBOOE::Sandbox::access	(	Addr	line,
		Tick	tick
	)

Update score and insert the line address being accessed into the FIFO queue of the sandbox.

Parameters

line	Line address being accessed
tick	Tick in which the access is expected to be filled

Definition at line 53 of file sbooe.cc.

References addr, curTick(), entries, Prefetcher::SBOOE::SandboxEntry::expectedArrivalTick, lateScore, Prefetcher::SBOOE::SandboxEntry::line, sandboxScore, stride, Clocked::tick, and Prefetcher::SBOOE::SandboxEntry::valid.

score()

unsigned int Prefetcher::SBOOE::Sandbox::score ( ) const

inline

Calculate the useful score.

Returns

Useful score of the sandbox. Sandbox score adjusted by by the late score

Definition at line 131 of file sbooe.hh.

References lateScore, and sandboxScore.

Referenced by Prefetcher::SBOOE::access(), and Prefetcher::SBOOE::calculatePrefetch().

Member Data Documentation

entries

CircularQueue<SandboxEntry> Prefetcher::SBOOE::Sandbox::entries

private

FIFO queue containing the sandbox entries.

Definition at line 97 of file sbooe.hh.

Referenced by access().

lateScore

unsigned int Prefetcher::SBOOE::Sandbox::lateScore

private

Hits in the sandbox that wouldn't have been filled on time.

Definition at line 106 of file sbooe.hh.

Referenced by access(), and score().

sandboxScore

unsigned int Prefetcher::SBOOE::Sandbox::sandboxScore

private

Accesses during the eval period that were present in the sandbox.

Definition at line 103 of file sbooe.hh.

Referenced by access(), and score().

stride

const int Prefetcher::SBOOE::Sandbox::stride

Sequential stride for this prefetcher.

Definition at line 110 of file sbooe.hh.

Referenced by access(), and Prefetcher::SBOOE::calculatePrefetch().

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

• mem/cache/prefetch/sbooe.hh
• mem/cache/prefetch/sbooe.cc