gem5  v21.2.0.0
Classes | Namespaces | Functions
fpcd.hh File Reference
#include <cstdint>
#include <map>
#include <memory>
#include <string>
#include "base/types.hh"
#include "mem/cache/compressors/dictionary_compressor.hh"

Go to the source code of this file.

Classes

class  gem5::compression::FPCD
 
class  gem5::compression::FPCD::PatternZZZZ
 
class  gem5::compression::FPCD::PatternFFFF
 
class  gem5::compression::FPCD::PatternMMMMPrevious
 
class  gem5::compression::FPCD::PatternMMMMPenultimate
 
class  gem5::compression::FPCD::PatternZZZX
 
class  gem5::compression::FPCD::PatternXZZZ
 
class  gem5::compression::FPCD::PatternRRRR
 
class  gem5::compression::FPCD::PatternMMMXPrevious
 
class  gem5::compression::FPCD::PatternMMMXPenultimate
 
class  gem5::compression::FPCD::PatternZZXX
 
class  gem5::compression::FPCD::PatternZXZX
 
class  gem5::compression::FPCD::PatternFFXX
 
class  gem5::compression::FPCD::PatternXXZZ
 
class  gem5::compression::FPCD::PatternMMXXPrevious
 
class  gem5::compression::FPCD::PatternMMXXPenultimate
 
class  gem5::compression::FPCD::PatternXXXX
 

Namespaces

 gem5
 Reference material can be found at the JEDEC website: UFS standard http://www.jedec.org/standards-documents/results/jesd220 UFS HCI specification http://www.jedec.org/standards-documents/results/jesd223.
 
 gem5::compression
 

Functions

 gem5::GEM5_DEPRECATED_NAMESPACE (Compressor, compression)
 

Detailed Description

Definition of the Frequent Pattern Compression with limited Dictionary support (FPC-D) cache compressor, as described in "Opportunistic Compression for Direct-Mapped DRAM Caches", by Alameldeen et al.

It is a pattern compressor that can only have 2 dictionary entries, and as such the pattern encodings are specialized to inform to which entry it refers. These entries are replaced in a FIFO manner.

Definition in file fpcd.hh.


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