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random_rp.hh
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1 
35 #ifndef __MEM_CACHE_REPLACEMENT_POLICIES_RANDOM_RP_HH__
36 #define __MEM_CACHE_REPLACEMENT_POLICIES_RANDOM_RP_HH__
37 
38 #include "mem/cache/replacement_policies/base.hh"
39 
40 namespace gem5
41 {
42 
43 struct RandomRPParams;
44 
45 namespace replacement_policy
46 {
47 
48 class Random : public Base
49 {
50  protected:
52  struct RandomReplData : ReplacementData
53  {
58  bool valid;
59 
63  RandomReplData() : valid(false) {}
64  };
65 
66  public:
67  typedef RandomRPParams Params;
68  Random(const Params &p);
69  ~Random() = default;
70 
77  void invalidate(const std::shared_ptr<ReplacementData>& replacement_data)
78  override;
79 
86  void touch(const std::shared_ptr<ReplacementData>& replacement_data) const
87  override;
88 
95  void reset(const std::shared_ptr<ReplacementData>& replacement_data) const
96  override;
97 
104  ReplaceableEntry* getVictim(const ReplacementCandidates& candidates) const
105  override;
106 
112  std::shared_ptr<ReplacementData> instantiateEntry() override;
113 };
114 
115 } // namespace replacement_policy
116 } // namespace gem5
117 
118 #endif // __MEM_CACHE_REPLACEMENT_POLICIES_RANDOM_RP_HH__
gem5::replacement_policy::Random::~Random
~Random()=default
gem5::replacement_policy::Base::Params
BaseReplacementPolicyParams Params
Definition: base.hh:57
std::vector
STL vector class.
Definition: stl.hh:37
gem5::replacement_policy::Random
Definition: random_rp.hh:48
gem5::replacement_policy::ReplacementData
The replacement data needed by replacement policies.
Definition: replaceable_entry.hh:48
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::replacement_policy::Random::reset
void reset(const std::shared_ptr< ReplacementData > &replacement_data) const override
Reset replacement data.
Definition: random_rp.cc:62
gem5::replacement_policy::Random::instantiateEntry
std::shared_ptr< ReplacementData > instantiateEntry() override
Instantiate a replacement data entry.
Definition: random_rp.cc:93
gem5::replacement_policy::Random::Random
Random(const Params &p)
Definition: random_rp.cc:43
gem5::replacement_policy::Base
A common base class of cache replacement policy objects.
Definition: base.hh:54
base.hh
gem5::replacement_policy::Random::RandomReplData::RandomReplData
RandomReplData()
Default constructor.
Definition: random_rp.hh:63
gem5::replacement_policy::Random::touch
void touch(const std::shared_ptr< ReplacementData > &replacement_data) const override
Touch an entry to update its replacement data.
Definition: random_rp.cc:57
gem5::replacement_policy::Random::invalidate
void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) override
Invalidate replacement data to set it as the next probable victim.
Definition: random_rp.cc:49
gem5::replacement_policy::Random::Params
RandomRPParams Params
Definition: random_rp.hh:67
gem5::replacement_policy::Random::getVictim
ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const override
Find replacement victim at random.
Definition: random_rp.cc:70
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:62
gem5::replacement_policy::Random::RandomReplData
Random-specific implementation of replacement data.
Definition: random_rp.hh:52
gem5::replacement_policy::Random::RandomReplData::valid
bool valid
Flag informing if the replacement data is valid or not.
Definition: random_rp.hh:58
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
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