gem5
v20.1.0.0
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#include <fifo_rp.hh>
Classes | |
struct | FIFOReplData |
FIFO-specific implementation of replacement data. More... | |
Public Types | |
typedef FIFORPParams | Params |
Convenience typedef. More... | |
Public Types inherited from BaseReplacementPolicy | |
typedef BaseReplacementPolicyParams | Params |
Convenience typedef. More... | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Public Member Functions | |
FIFORP (const Params *p) | |
Construct and initiliaze this replacement policy. More... | |
~FIFORP () | |
Destructor. More... | |
void | invalidate (const std::shared_ptr< ReplacementData > &replacement_data) const override |
Invalidate replacement data to set it as the next probable victim. More... | |
void | touch (const std::shared_ptr< ReplacementData > &replacement_data) const override |
Touch an entry to update its replacement data. More... | |
void | reset (const std::shared_ptr< ReplacementData > &replacement_data) const override |
Reset replacement data. More... | |
ReplaceableEntry * | getVictim (const ReplacementCandidates &candidates) const override |
Find replacement victim using insertion timestamps. More... | |
std::shared_ptr< ReplacementData > | instantiateEntry () override |
Instantiate a replacement data entry. More... | |
Public Member Functions inherited from BaseReplacementPolicy | |
BaseReplacementPolicy (const Params *p) | |
Construct and initiliaze this replacement policy. More... | |
virtual | ~BaseReplacementPolicy () |
Destructor. More... | |
Public Member Functions inherited from SimObject | |
const Params * | params () const |
SimObject (const Params *_params) | |
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... | |
Group ()=delete | |
Group (const Group &)=delete | |
Group & | operator= (const Group &)=delete |
Additional Inherited Members | |
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 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... | |
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... | |
Definition at line 44 of file fifo_rp.hh.
typedef FIFORPParams FIFORP::Params |
Convenience typedef.
Definition at line 61 of file fifo_rp.hh.
FIFORP::FIFORP | ( | const Params * | p | ) |
Construct and initiliaze this replacement policy.
Copyright (c) 2018 Inria All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer; redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution; neither the name of the copyright holders nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Definition at line 37 of file fifo_rp.cc.
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inline |
Destructor.
Definition at line 71 of file fifo_rp.hh.
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overridevirtual |
Find replacement victim using insertion timestamps.
cands | Replacement candidates, selected by indexing policy. |
Implements BaseReplacementPolicy.
Reimplemented in SecondChanceRP.
Definition at line 66 of file fifo_rp.cc.
References ReplaceableEntry::replacementData.
Referenced by SecondChanceRP::getVictim().
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overridevirtual |
Instantiate a replacement data entry.
Implements BaseReplacementPolicy.
Reimplemented in SecondChanceRP.
Definition at line 87 of file fifo_rp.cc.
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overridevirtual |
Invalidate replacement data to set it as the next probable victim.
Reset insertion tick to 0.
replacement_data | Replacement data to be invalidated. |
Implements BaseReplacementPolicy.
Reimplemented in SecondChanceRP.
Definition at line 43 of file fifo_rp.cc.
Referenced by SecondChanceRP::invalidate().
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overridevirtual |
Reset replacement data.
Used when an entry is inserted. Sets its insertion tick.
replacement_data | Replacement data to be reset. |
Implements BaseReplacementPolicy.
Reimplemented in SecondChanceRP.
Definition at line 58 of file fifo_rp.cc.
References curTick().
Referenced by SecondChanceRP::reset(), and SecondChanceRP::useSecondChance().
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overridevirtual |
Touch an entry to update its replacement data.
Does not modify the replacement data.
replacement_data | Replacement data to be touched. |
Implements BaseReplacementPolicy.
Reimplemented in SecondChanceRP.
Definition at line 52 of file fifo_rp.cc.
Referenced by SecondChanceRP::touch().