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gem5
v21.0.0.0
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gem5
v21.0.0.0
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#include <base_delta.hh>
Public Types | |
| typedef Base64Delta8Params | Params |
 Public Types inherited from Compressor::BaseDelta< uint64_t, 8 > | |
| typedef BaseDictionaryCompressorParams | Params |
| Public Types inherited from Compressor::DictionaryCompressor< uint64_t > | |
| typedef BaseDictionaryCompressorParams | Params |
| Public Types inherited from Compressor::BaseDictionaryCompressor | |
| typedef BaseDictionaryCompressorParams | Params |
| Public Types inherited from Compressor::Base | |
| typedef BaseCacheCompressorParams | Params |
| Public Types inherited from SimObject | |
| typedef SimObjectParams | Params |
Public Member Functions | |
| Base64Delta8 (const Params &p) | |
| ~Base64Delta8 ()=default | |
| Public Member Functions inherited from Compressor::BaseDelta< uint64_t, 8 > | |
| BaseDelta (const Params &p) | |
| ~BaseDelta ()=default | |
| Public Member Functions inherited from Compressor::DictionaryCompressor< uint64_t > | |
| DictionaryCompressor (const Params &p) | |
| ~DictionaryCompressor ()=default | |
| Public Member Functions inherited from Compressor::BaseDictionaryCompressor | |
| BaseDictionaryCompressor (const Params &p) | |
| ~BaseDictionaryCompressor ()=default | |
| Public Member Functions inherited from Compressor::Base | |
| Base (const Params &p) | |
| virtual | ~Base ()=default |
| virtual void | setCache (BaseCache *_cache) |
| The cache can only be set once. More... | |
| std::unique_ptr< CompressionData > | compress (const uint64_t *data, Cycles &comp_lat, Cycles &decomp_lat) |
| Apply the compression process to the cache line. More... | |
| Cycles | getDecompressionLatency (const CacheBlk *blk) |
| Get the decompression latency if the block is compressed. More... | |
| Public Member Functions inherited from SimObject | |
| const Params & | params () const |
| SimObject (const Params &p) | |
| virtual | ~SimObject () |
| virtual const std::string | name () const |
| virtual void | init () |
| init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
| virtual void | loadState (CheckpointIn &cp) |
| loadState() is called on each SimObject when restoring from a checkpoint. More... | |
| virtual void | initState () |
| initState() is called on each SimObject when not restoring from a checkpoint. More... | |
| virtual void | regProbePoints () |
| Register probe points for this object. More... | |
| virtual void | regProbeListeners () |
| Register probe listeners for this object. More... | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. More... | |
| virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
| Get a port with a given name and index. More... | |
| virtual void | startup () |
| startup() is the final initialization call before simulation. More... | |
| DrainState | drain () override |
| Provide a default implementation of the drain interface for objects that don't need draining. More... | |
| virtual void | memWriteback () |
| Write back dirty buffers to memory using functional writes. More... | |
| virtual void | memInvalidate () |
| Invalidate the contents of memory buffers. More... | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| Public Member Functions inherited from EventManager | |
| EventQueue * | eventQueue () const |
| void | schedule (Event &event, Tick when) |
| void | deschedule (Event &event) |
| void | reschedule (Event &event, Tick when, bool always=false) |
| void | schedule (Event *event, Tick when) |
| void | deschedule (Event *event) |
| void | reschedule (Event *event, Tick when, bool always=false) |
| void | wakeupEventQueue (Tick when=(Tick) -1) |
| This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More... | |
| void | setCurTick (Tick newVal) |
| EventManager (EventManager &em) | |
| Event manger manages events in the event queue. More... | |
| EventManager (EventManager *em) | |
| EventManager (EventQueue *eq) | |
| Public Member Functions inherited from Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. More... | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. More... | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
| Public Member Functions inherited from Drainable | |
| DrainState | drainState () const |
| Return the current drain state of an object. More... | |
| virtual void | notifyFork () |
| Notify a child process of a fork. More... | |
| Public Member Functions inherited from Stats::Group | |
| Group (Group *parent, const char *name=nullptr) | |
| Construct a new statistics group. More... | |
| virtual | ~Group () |
| virtual void | regStats () |
| Callback to set stat parameters. More... | |
| virtual void | resetStats () |
| Callback to reset stats. More... | |
| virtual void | preDumpStats () |
| Callback before stats are dumped. More... | |
| void | addStat (Stats::Info *info) |
| Register a stat with this group. More... | |
| const std::map< std::string, Group * > & | getStatGroups () const |
| Get all child groups associated with this object. More... | |
| const std::vector< Info * > & | getStats () const |
| Get all stats associated with this object. More... | |
| void | addStatGroup (const char *name, Group *block) |
| Add a stat block as a child of this block. More... | |
| const Info * | resolveStat (std::string name) const |
| Resolve a stat by its name within this group. More... | |
| void | mergeStatGroup (Group *block) |
| Merge the contents (stats & children) of a block to this block. More... | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
Additional Inherited Members | |
| Static Public Member Functions inherited from Compressor::Base | |
| static void | setDecompressionLatency (CacheBlk *blk, const Cycles lat) |
| Set the decompression latency of compressed block. More... | |
| static void | setSizeBits (CacheBlk *blk, const std::size_t size_bits) |
| Set the size of the compressed block, in bits. More... | |
| Static Public Member Functions inherited from SimObject | |
| static void | serializeAll (CheckpointOut &cp) |
| Serialize all SimObjects in the system. More... | |
| static SimObject * | find (const char *name) |
| Find the SimObject with the given name and return a pointer to it. More... | |
| Static Public Member Functions inherited from Serializable | |
| static const std::string & | currentSection () |
| Gets the fully-qualified name of the active section. More... | |
| static void | serializeAll (const std::string &cpt_dir) |
| Serializes all the SimObjects. More... | |
| static void | unserializeGlobals (CheckpointIn &cp) |
| Protected Types inherited from Compressor::BaseDelta< uint64_t, 8 > | |
| enum | PatternNumber |
| The patterns proposed in the paper. More... | |
| using | DictionaryEntry = typename DictionaryCompressor< uint64_t >::DictionaryEntry |
| using | PatternFactory = typename DictionaryCompressor< uint64_t >::template Factory< PatternM, PatternX > |
| Convenience factory declaration. More... | |
| Protected Types inherited from Compressor::DictionaryCompressor< uint64_t > | |
| typedef std::array< uint8_t, sizeof(uint64_t)> | DictionaryEntry |
| Convenience typedef for a dictionary entry. More... | |
| Protected Types inherited from Compressor::Base | |
| typedef uint64_t | Chunk |
| A chunk is a basic lexical unit. More... | |
| Protected Member Functions inherited from Compressor::BaseDelta< uint64_t, 8 > | |
| uint64_t | getNumPatterns () const override |
| Trick function to get the number of patterns. More... | |
| std::unique_ptr< typename DictionaryCompressor< uint64_t >::Pattern > | getPattern (const DictionaryEntry &bytes, const DictionaryEntry &dict_bytes, const int match_location) const override |
| std::string | getName (int number) const override |
| Get meta-name assigned to the given pattern. More... | |
| void | resetDictionary () override |
| Clear all dictionary entries. More... | |
| void | addToDictionary (DictionaryEntry data) override |
| std::unique_ptr< Base::CompressionData > | compress (const std::vector< Base::Chunk > &chunks, Cycles &comp_lat, Cycles &decomp_lat) override |
| Apply the compression process to the cache line. More... | |
| Protected Member Functions inherited from Compressor::DictionaryCompressor< uint64_t > | |
| virtual std::unique_ptr< Pattern > | getPattern (const DictionaryEntry &bytes, const DictionaryEntry &dict_bytes, const int match_location) const=0 |
| Since the factory cannot be instantiated here, classes that inherit from this base class have to implement the call to their factory's getPattern. More... | |
| std::unique_ptr< Pattern > | compressValue (const uint64_t data) |
| Compress data. More... | |
| uint64_t | decompressValue (const Pattern *pattern) |
| Decompress a pattern into a value that fits in a dictionary entry. More... | |
| virtual void | addToDictionary (const DictionaryEntry data)=0 |
| Add an entry to the dictionary. More... | |
| virtual std::unique_ptr< DictionaryCompressor::CompData > | instantiateDictionaryCompData () const |
| Instantiate a compression data of the sub-class compressor. More... | |
| std::unique_ptr< Base::CompressionData > | compress (const std::vector< Chunk > &chunks) |
| Apply compression. More... | |
| std::unique_ptr< Base::CompressionData > | compress (const std::vector< Chunk > &chunks, Cycles &comp_lat, Cycles &decomp_lat) override |
| Apply the compression process to the cache line. More... | |
| void | decompress (const CompressionData *comp_data, uint64_t *data) override |
| Apply the decompression process to the compressed data. More... | |
| Protected Member Functions inherited from Compressor::BaseDictionaryCompressor | |
| virtual uint64_t | getNumPatterns () const =0 |
| Trick function to get the number of patterns. More... | |
| Protected Member Functions inherited from Compressor::Base | |
| std::vector< Chunk > | toChunks (const uint64_t *data) const |
| This function splits the raw data into chunks, so that it can be parsed by the compressor. More... | |
| void | fromChunks (const std::vector< Chunk > &chunks, uint64_t *data) const |
| This function re-joins the chunks to recreate the original data. More... | |
| Protected Member Functions inherited from Drainable | |
| Drainable () | |
| virtual | ~Drainable () |
| virtual void | drainResume () |
| Resume execution after a successful drain. More... | |
| void | signalDrainDone () const |
| Signal that an object is drained. More... | |
| Static Protected Member Functions inherited from Compressor::DictionaryCompressor< uint64_t > | |
| static DictionaryEntry | toDictionaryEntry (uint64_t value) |
| Turn a value into a dictionary entry. More... | |
| static uint64_t | fromDictionaryEntry (const DictionaryEntry &entry) |
| Turn a dictionary entry into a value. More... | |
| Protected Attributes inherited from Compressor::DictionaryCompressor< uint64_t > | |
| std::vector< DictionaryEntry > | dictionary |
| The dictionary. More... | |
| Protected Attributes inherited from Compressor::BaseDictionaryCompressor | |
| const std::size_t | dictionarySize |
| Dictionary size. More... | |
| std::size_t | numEntries |
| Number of valid entries in the dictionary. More... | |
| Compressor::BaseDictionaryCompressor::DictionaryStats | dictionaryStats |
| Protected Attributes inherited from Compressor::Base | |
| const std::size_t | blkSize |
| Uncompressed cache line size (in bytes). More... | |
| const unsigned | chunkSizeBits |
| Chunk size, in number of bits. More... | |
| const std::size_t | sizeThreshold |
| Size in bytes at which a compression is classified as bad and therefore the compressed block is restored to its uncompressed format. More... | |
| const Cycles | compChunksPerCycle |
| Degree of parallelization of the compression process. More... | |
| const Cycles | compExtraLatency |
| Extra latency added to compression due to packaging, shifting or other operations. More... | |
| const Cycles | decompChunksPerCycle |
| Degree of parallelization of the decompression process. More... | |
| const Cycles | decompExtraLatency |
| Extra latency added to decompression due to packaging, shifting or other operations. More... | |
| BaseCache * | cache |
| Pointer to the parent cache. More... | |
| Compressor::Base::BaseStats | stats |
| Protected Attributes inherited from SimObject | |
| const SimObjectParams & | _params |
| Cached copy of the object parameters. More... | |
| Protected Attributes inherited from EventManager | |
| EventQueue * | eventq |
| A pointer to this object's event queue. More... | |
| Static Protected Attributes inherited from Compressor::BaseDelta< uint64_t, 8 > | |
| static constexpr int | DEFAULT_MAX_NUM_BASES |
Definition at line 158 of file base_delta.hh.
| typedef Base64Delta8Params Compressor::Base64Delta8::Params |
Definition at line 161 of file base_delta.hh.
| Compressor::Base64Delta8::Base64Delta8 | ( | const Params & | p | ) |
Definition at line 44 of file base_delta.cc.
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