gem5
v20.1.0.0
mem
cache
replacement_policies
lru_rp.hh
Go to the documentation of this file.
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#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__
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#define __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__
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#include "
mem/cache/replacement_policies/base.hh
"
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struct
LRURPParams;
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class
LRURP
:
public
BaseReplacementPolicy
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{
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protected
:
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struct
LRUReplData
:
ReplacementData
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{
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Tick
lastTouchTick
;
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LRUReplData
() :
lastTouchTick
(0) {}
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};
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public
:
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typedef
LRURPParams
Params
;
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LRURP
(
const
Params
*
p
);
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~LRURP
() {}
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void
invalidate
(
const
std::shared_ptr<ReplacementData>& replacement_data)
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const override
;
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void
touch
(
const
std::shared_ptr<ReplacementData>& replacement_data)
const
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override
;
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void
reset
(
const
std::shared_ptr<ReplacementData>& replacement_data)
const
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override
;
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ReplaceableEntry
*
getVictim
(
const
ReplacementCandidates
& candidates)
const
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override
;
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std::shared_ptr<ReplacementData>
instantiateEntry
()
override
;
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};
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#endif // __MEM_CACHE_REPLACEMENT_POLICIES_LRU_RP_HH__
ReplaceableEntry
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
Definition:
replaceable_entry.hh:53
LRURP::LRUReplData::LRUReplData
LRUReplData()
Default constructor.
Definition:
lru_rp.hh:54
BaseReplacementPolicy::Params
BaseReplacementPolicyParams Params
Convenience typedef.
Definition:
base.hh:52
Tick
uint64_t Tick
Tick count type.
Definition:
types.hh:63
std::vector
STL vector class.
Definition:
stl.hh:37
ReplacementData
Copyright (c) 2018 Inria All rights reserved.
Definition:
replaceable_entry.hh:41
LRURP::invalidate
void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) const override
Invalidate replacement data to set it as the next probable victim.
Definition:
lru_rp.cc:43
LRURP::LRURP
LRURP(const Params *p)
Construct and initiliaze this replacement policy.
Definition:
lru_rp.cc:37
BaseReplacementPolicy
A common base class of cache replacement policy objects.
Definition:
base.hh:46
LRURP::~LRURP
~LRURP()
Destructor.
Definition:
lru_rp.hh:69
LRURP::LRUReplData
LRU-specific implementation of replacement data.
Definition:
lru_rp.hh:46
LRURP::touch
void touch(const std::shared_ptr< ReplacementData > &replacement_data) const override
Touch an entry to update its replacement data.
Definition:
lru_rp.cc:52
LRURP::LRUReplData::lastTouchTick
Tick lastTouchTick
Tick on which the entry was last touched.
Definition:
lru_rp.hh:49
base.hh
LRURP::Params
LRURPParams Params
Convenience typedef.
Definition:
lru_rp.hh:59
LRURP
Definition:
lru_rp.hh:42
MipsISA::p
Bitfield< 0 > p
Definition:
pra_constants.hh:323
LRURP::reset
void reset(const std::shared_ptr< ReplacementData > &replacement_data) const override
Reset replacement data.
Definition:
lru_rp.cc:60
LRURP::instantiateEntry
std::shared_ptr< ReplacementData > instantiateEntry() override
Instantiate a replacement data entry.
Definition:
lru_rp.cc:89
LRURP::getVictim
ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const override
Find replacement victim using LRU timestamps.
Definition:
lru_rp.cc:68
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