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mem
cache
replacement_policies
lfu_rp.hh
Go to the documentation of this file.
1
37
#ifndef __MEM_CACHE_REPLACEMENT_POLICIES_LFU_RP_HH__
38
#define __MEM_CACHE_REPLACEMENT_POLICIES_LFU_RP_HH__
39
40
#include "
mem/cache/replacement_policies/base.hh
"
41
42
struct
LFURPParams;
43
44
class
LFURP
:
public
BaseReplacementPolicy
45
{
46
protected
:
48
struct
LFUReplData
:
ReplacementData
49
{
51
unsigned
refCount
;
52
56
LFUReplData
() : refCount(0) {}
57
};
58
59
public
:
61
typedef
LFURPParams
Params
;
62
66
LFURP
(
const
Params *
p
);
67
71
~LFURP
() {}
72
79
void
invalidate
(
const
std::shared_ptr<ReplacementData>& replacement_data)
80
const override
;
81
88
void
touch
(
const
std::shared_ptr<ReplacementData>& replacement_data)
const
89
override
;
90
97
void
reset
(
const
std::shared_ptr<ReplacementData>& replacement_data)
const
98
override
;
99
106
ReplaceableEntry
*
getVictim
(
const
ReplacementCandidates
& candidates)
const
107
override
;
108
114
std::shared_ptr<ReplacementData>
instantiateEntry
()
override
;
115
};
116
117
#endif // __MEM_CACHE_REPLACEMENT_POLICIES_LFU_RP_HH__
LFURP::LFURP
LFURP(const Params *p)
Construct and initiliaze this replacement policy.
Definition:
lfu_rp.cc:36
LFURP::touch
void touch(const std::shared_ptr< ReplacementData > &replacement_data) const override
Touch an entry to update its replacement data.
Definition:
lfu_rp.cc:50
LFURP::Params
LFURPParams Params
Convenience typedef.
Definition:
lfu_rp.hh:61
LFURP
Definition:
lfu_rp.hh:44
BaseReplacementPolicy
A common base class of cache replacement policy objects.
Definition:
base.hh:46
std::vector
STL vector class.
Definition:
stl.hh:37
ReplacementData
Copyright (c) 2018 Inria All rights reserved.
Definition:
replaceable_entry.hh:41
LFURP::LFUReplData
LFU-specific implementation of replacement data.
Definition:
lfu_rp.hh:48
LFURP::reset
void reset(const std::shared_ptr< ReplacementData > &replacement_data) const override
Reset replacement data.
Definition:
lfu_rp.cc:57
LFURP::getVictim
ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const override
Find replacement victim using reference frequency.
Definition:
lfu_rp.cc:64
LFURP::instantiateEntry
std::shared_ptr< ReplacementData > instantiateEntry() override
Instantiate a replacement data entry.
Definition:
lfu_rp.cc:85
LFURP::LFUReplData::LFUReplData
LFUReplData()
Default constructor.
Definition:
lfu_rp.hh:56
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
LFURP::~LFURP
~LFURP()
Destructor.
Definition:
lfu_rp.hh:71
base.hh
MipsISA::p
Bitfield< 0 > p
Definition:
pra_constants.hh:323
LFURP::invalidate
void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) const override
Invalidate replacement data to set it as the next probable victim.
Definition:
lfu_rp.cc:42
LFURP::LFUReplData::refCount
unsigned refCount
Number of references to this entry since it was reset.
Definition:
lfu_rp.hh:51
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