34 #include "params/LFURP.hh"
40 namespace replacement_policy
52 std::static_pointer_cast<LFUReplData>(replacement_data)->refCount = 0;
56 LFU::touch(
const std::shared_ptr<ReplacementData>& replacement_data)
const
59 std::static_pointer_cast<LFUReplData>(replacement_data)->refCount++;
63 LFU::reset(
const std::shared_ptr<ReplacementData>& replacement_data)
const
66 std::static_pointer_cast<LFUReplData>(replacement_data)->refCount = 1;
73 assert(candidates.size() > 0);
77 for (
const auto& candidate : candidates) {
79 if (std::static_pointer_cast<LFUReplData>(
80 candidate->replacementData)->refCount <
81 std::static_pointer_cast<LFUReplData>(
90 std::shared_ptr<ReplacementData>
93 return std::shared_ptr<ReplacementData>(
new LFUReplData());
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
std::shared_ptr< replacement_policy::ReplacementData > replacementData
Replacement data associated to this entry.
A common base class of cache replacement policy objects.
BaseReplacementPolicyParams Params
std::shared_ptr< ReplacementData > instantiateEntry() override
Instantiate a replacement data entry.
void invalidate(const std::shared_ptr< ReplacementData > &replacement_data) override
Invalidate replacement data to set it as the next probable victim.
void touch(const std::shared_ptr< ReplacementData > &replacement_data) const override
Touch an entry to update its replacement data.
ReplaceableEntry * getVictim(const ReplacementCandidates &candidates) const override
Find replacement victim using reference frequency.
void reset(const std::shared_ptr< ReplacementData > &replacement_data) const override
Reset replacement data.
Copyright (c) 2018-2020 Inria All rights reserved.
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
GEM5_DEPRECATED_NAMESPACE(GuestABI, guest_abi)
LFU-specific implementation of replacement data.