gem5  v22.0.0.1
perfect.hh
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28 
34 #ifndef __MEM_CACHE_COMPRESSORS_PERFECT_COMPRESSOR_HH__
35 #define __MEM_CACHE_COMPRESSORS_PERFECT_COMPRESSOR_HH__
36 
37 #include <cstdint>
38 #include <memory>
39 #include <vector>
40 
41 #include "base/types.hh"
43 
44 namespace gem5
45 {
46 
47 struct PerfectCompressorParams;
48 
49 GEM5_DEPRECATED_NAMESPACE(Compressor, compression);
50 namespace compression
51 {
52 
53 class Perfect : public Base
54 {
55  protected:
56  class CompData;
57 
59  const int compressedSize;
60 
63 
66 
67  std::unique_ptr<CompressionData> compress(
68  const std::vector<Chunk>& chunks, Cycles& comp_lat,
69  Cycles& decomp_lat) override;
70 
71  void decompress(const CompressionData* comp_data, uint64_t* data) override;
72 
73  public:
74  typedef PerfectCompressorParams Params;
75  Perfect(const Params &p);
76  ~Perfect() = default;
77 };
78 
80 {
81  public:
84 
92  {
93  }
94  ~CompData() = default;
95 };
96 
97 } // namespace compression
98 } // namespace gem5
99 
100 #endif //__MEM_CACHE_COMPRESSORS_PERFECT_COMPRESSOR_HH__
gem5::compression::Base::CompressionData
Definition: base.hh:246
gem5::compression::Perfect::compressionLatency
const Cycles compressionLatency
Number of cycles needed to perform compression.
Definition: perfect.hh:62
gem5::compression::Perfect::compress
std::unique_ptr< CompressionData > compress(const std::vector< Chunk > &chunks, Cycles &comp_lat, Cycles &decomp_lat) override
Apply the compression process to the cache line.
Definition: perfect.cc:54
data
const char data[]
Definition: circlebuf.test.cc:48
gem5::compression::Perfect::~Perfect
~Perfect()=default
gem5::compression::Perfect
Definition: perfect.hh:53
base.hh
gem5::compression::Base::Params
BaseCacheCompressorParams Params
Definition: base.hh:202
std::vector< Chunk >
gem5::compression::Perfect::CompData::CompData
CompData(const std::vector< Chunk > &chunks)
Default constructor that creates a copy of the original data.
Definition: perfect.hh:90
gem5::compression::Perfect::CompData::~CompData
~CompData()=default
gem5::Cycles
Cycles is a wrapper class for representing cycle counts, i.e.
Definition: types.hh:78
gem5::compression::Perfect::decompressionLatency
const Cycles decompressionLatency
Number of cycles needed to perform decompression.
Definition: perfect.hh:65
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::compression::Base
Base cache compressor interface.
Definition: base.hh:65
gem5::compression::Perfect::CompData::chunks
std::vector< Chunk > chunks
The original data is simply copied over to this vector.
Definition: perfect.hh:83
gem5::GEM5_DEPRECATED_NAMESPACE
GEM5_DEPRECATED_NAMESPACE(GuestABI, guest_abi)
gem5::compression::Perfect::Params
PerfectCompressorParams Params
Definition: perfect.hh:74
gem5::compression::Perfect::decompress
void decompress(const CompressionData *comp_data, uint64_t *data) override
Apply the decompression process to the compressed data.
Definition: perfect.cc:73
types.hh
gem5::compression::Perfect::CompData
Definition: perfect.hh:79
gem5::compression::Perfect::Perfect
Perfect(const Params &p)
Definition: perfect.cc:48
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::compression::Perfect::compressedSize
const int compressedSize
Size to which this compressor always compresses.
Definition: perfect.hh:56

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