gem5  v22.0.0.1
block_bloom_filter.hh
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29 
30 #ifndef __BASE_FILTERS_BLOCK_BLOOM_FILTER_HH__
31 #define __BASE_FILTERS_BLOCK_BLOOM_FILTER_HH__
32 
33 #include <vector>
34 
35 #include "base/filters/base.hh"
36 
37 namespace gem5
38 {
39 
40 struct BloomFilterBlockParams;
41 
42 GEM5_DEPRECATED_NAMESPACE(BloomFilter, bloom_filter);
43 namespace bloom_filter
44 {
45 
50 class Block : public Base
51 {
52  public:
53  Block(const BloomFilterBlockParams &p);
54  ~Block();
55 
56  void set(Addr addr) override;
57  void unset(Addr addr) override;
58  int getCount(Addr addr) const override;
59 
60  private:
67  int hash(Addr addr) const;
68 
71 
74 };
75 
76 } // namespace bloom_filter
77 } // namespace gem5
78 
79 #endif // __BASE_FILTERS_BLOCK_BLOOM_FILTER_HH__
gem5::bloom_filter::Block::Block
Block(const BloomFilterBlockParams &p)
Definition: block_bloom_filter.cc:43
gem5::bloom_filter::Base
Definition: base.hh:49
gem5::bloom_filter::Block::getCount
int getCount(Addr addr) const override
Get the value stored in the corresponding filter entry of an address.
Definition: block_bloom_filter.cc:79
std::vector< unsigned >
base.hh
gem5::bloom_filter::Block::set
void set(Addr addr) override
Perform the filter specific function to set the corresponding entries (can be multiple) of an address...
Definition: block_bloom_filter.cc:67
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::bloom_filter::Block::unset
void unset(Addr addr) override
Perform the filter specific function to clear the corresponding entries (can be multiple) of an addre...
Definition: block_bloom_filter.cc:73
gem5::bloom_filter::Block
Simple deletable (with false negatives) bloom filter that extracts bitfields of an address to use as ...
Definition: block_bloom_filter.hh:50
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::GEM5_DEPRECATED_NAMESPACE
GEM5_DEPRECATED_NAMESPACE(GuestABI, guest_abi)
gem5::bloom_filter::Block::~Block
~Block()
Definition: block_bloom_filter.cc:62
gem5::bloom_filter::Block::masksLSBs
std::vector< unsigned > masksLSBs
Position of the LSB of each mask.
Definition: block_bloom_filter.hh:70
gem5::bloom_filter::Block::masksSizes
std::vector< unsigned > masksSizes
Number of bits in each mask.
Definition: block_bloom_filter.hh:73
gem5::bloom_filter::Block::hash
int hash(Addr addr) const
XOR hash between bitfields of an address, provided by the mask vector.
Definition: block_bloom_filter.cc:85
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition: types.hh:84

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