release/current/lru__rp_8hh_source.html

#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__

#define __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__


#include "mem/cache/replacement_policies/base.hh"


namespace gem5

{


struct LRURPParams;


namespace replacement_policy

{


class LRU : public Base

{

  protected:


    struct LRUReplData : ReplacementData

    {

        Tick lastTouchTick;


        LRUReplData() : lastTouchTick(0) {}

    };


  public:

    typedef LRURPParams Params;

    LRU(const Params &p);

    ~LRU() = default;


    void invalidate(const std::shared_ptr<ReplacementData>& replacement_data)

                                                                    override;


    void touch(const std::shared_ptr<ReplacementData>& replacement_data) const

                                                                     override;


    void reset(const std::shared_ptr<ReplacementData>& replacement_data) const

                                                                     override;


    ReplaceableEntry* getVictim(const ReplacementCandidates& candidates) const

                                                                     override;


    std::shared_ptr<ReplacementData> instantiateEntry() override;

};


} // namespace replacement_policy

} // namespace gem5


#endif // __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__

gem5::ReplaceableEntry
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
Definition replaceable_entry.hh:63

gem5::replacement_policy::Base
A common base class of cache replacement policy objects.
Definition base.hh:55

gem5::replacement_policy::LRU
Definition lru_rp.hh:49

gem5::replacement_policy::LRU::LRU
LRU(const Params &p)
Definition lru_rp.cc:43

gem5::replacement_policy::LRU::touch
void touch(const std::shared_ptr< ReplacementData > &replacement_data) const override
Touch an entry to update its replacement data.
Definition lru_rp.cc:57

gem5::replacement_policy::LRU::invalidate
void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) override
Invalidate replacement data to set it as the next probable victim.
Definition lru_rp.cc:49

gem5::replacement_policy::LRU::getVictim
ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const override
Find replacement victim using LRU timestamps.
Definition lru_rp.cc:73

gem5::replacement_policy::LRU::~LRU
~LRU()=default

gem5::replacement_policy::LRU::Params
LRURPParams Params
Definition lru_rp.hh:64

gem5::replacement_policy::LRU::instantiateEntry
std::shared_ptr< ReplacementData > instantiateEntry() override
Instantiate a replacement data entry.
Definition lru_rp.cc:94

std::vector
STL vector class.
Definition stl.hh:37

base.hh

gem5::MipsISA::p
Bitfield< 0 > p
Definition pra_constants.hh:326

gem5::statistics::reset
void reset()
Definition statistics.cc:309

gem5
Copyright (c) 2024 - Pranith Kumar Copyright (c) 2020 Inria All rights reserved.
Definition binary32.hh:36

gem5::Tick
uint64_t Tick
Tick count type.
Definition types.hh:58

gem5::replacement_policy::LRU::LRUReplData
LRU-specific implementation of replacement data.
Definition lru_rp.hh:53

gem5::replacement_policy::LRU::LRUReplData::lastTouchTick
Tick lastTouchTick
Tick on which the entry was last touched.
Definition lru_rp.hh:55

gem5::replacement_policy::LRU::LRUReplData::LRUReplData
LRUReplData()
Default constructor.
Definition lru_rp.hh:60

gem5::replacement_policy::ReplacementData
The replacement data needed by replacement policies.
Definition replaceable_entry.hh:48