gem5::prefetch::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.
unsigned int	score () const
	Calculate the useful score.

Public Attributes
const int	stride
	Sequential stride for this prefetcher.

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

Detailed Description

Definition at line 98 of file sbooe.hh.

Constructor & Destructor Documentation

Sandbox()

gem5::prefetch::SBOOE::Sandbox::Sandbox ( unsigned int max_entries, int _stride )

inline

Definition at line 117 of file sbooe.hh.

Member Function Documentation

access()

void gem5::prefetch::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 57 of file sbooe.cc.

References gem5::X86ISA::addr, gem5::curTick(), entries, gem5::prefetch::SBOOE::SandboxEntry::expectedArrivalTick, lateScore, gem5::prefetch::SBOOE::SandboxEntry::line, sandboxScore, stride, gem5::Clocked::tick, and gem5::prefetch::SBOOE::SandboxEntry::valid.

score()

unsigned int gem5::prefetch::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 136 of file sbooe.hh.

References lateScore, and sandboxScore.

Referenced by gem5::prefetch::SBOOE::access(), and gem5::prefetch::SBOOE::calculatePrefetch().

Member Data Documentation

entries

CircularQueue<SandboxEntry> gem5::prefetch::SBOOE::Sandbox::entries

private

FIFO queue containing the sandbox entries.

Definition at line 102 of file sbooe.hh.

Referenced by access().

lateScore

unsigned int gem5::prefetch::SBOOE::Sandbox::lateScore

private

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

Definition at line 111 of file sbooe.hh.

Referenced by access(), and score().

sandboxScore

unsigned int gem5::prefetch::SBOOE::Sandbox::sandboxScore

private

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

Definition at line 108 of file sbooe.hh.

Referenced by access(), and score().

stride

const int gem5::prefetch::SBOOE::Sandbox::stride

Sequential stride for this prefetcher.

Definition at line 115 of file sbooe.hh.

Referenced by access(), and gem5::prefetch::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