SST  11.0.0
StructuralSimulationToolkit
SST::BaseComponent Class Reference

Main component object for the simulation. More...

#include <baseComponent.h>

Inheritance diagram for SST::BaseComponent:
SST::Component SST::ComponentExtension SST::SubComponent SST::CoreTestClockerComponent::coreTestClockerComponent SST::CoreTestComponent::coreTestComponent SST::CoreTestDistribComponent::coreTestDistribComponent SST::CoreTestLookupTableComponent::coreTestLookupTableComponent SST::CoreTestMessageGeneratorComponent::coreTestMessageGeneratorComponent SST::CoreTestParamComponent::coreTestParamComponent SST::CoreTestRNGComponent::coreTestRNGComponent SST::CoreTestSharedObjectsComponent::coreTestSharedObjectsComponent SST::CoreTestStatisticsComponent::coreTestStatisticsComponent SST::CoreTestSubComponent::SubComponentLoader SST::CoreTestTracerComponent::coreTestTracerComponent SST::CoreTestSubComponent::SubCompInterface SST::Experimental::Interfaces::StandardMem SST::Interfaces::SimpleMem SST::Interfaces::SimpleNetwork SST::Interfaces::SimpleNetwork::NetworkInspector

Public Member Functions

 BaseComponent (ComponentId_t id)
 
const std::string & getType () const
 
ComponentId_t getId () const
 Returns unique component ID.
 
uint8_t getStatisticLoadLevel () const
 Returns Component Statistic load level.
 
virtual void emergencyShutdown (void)
 Called when SIGINT or SIGTERM has been seen. More...
 
const std::string & getName () const
 Returns Component/SubComponent Name.
 
const std::string & getParentComponentName () const
 Returns the name of the parent Component, or, if called on a Component, the name of that Component. More...
 
virtual void init (unsigned int UNUSED(phase))
 Used during the init phase. More...
 
virtual void complete (unsigned int UNUSED(phase))
 Used during the init phase. More...
 
virtual void setup ()
 
Called after all components have been constructed and initialization has

completed, but before simulation time has begun. More...

 
virtual void finish ()
 Called after simulation completes, but before objects are destroyed. More...
 
virtual bool Status ()
 Currently unused function.
 
virtual void printStatus (Output &UNUSED(out))
 Called by the Simulation to request that the component print it's current status. More...
 
SimTime_t getCurrentSimCycle () const
 Return the current simulation time as a cycle count.
 
int getCurrentPriority () const
 Return the current priority.
 
UnitAlgebra getElapsedSimTime () const
 Return the elapsed simulation time as a time.
 
UnitAlgebra getFinalSimTime () const
 Return the end simulation time as a time.
 
RankInfo getRank () const
 Get this instance's parallel rank.
 
RankInfo getNumRanks () const
 Get the number of parallel ranks in the simulation.
 
OutputgetSimulationOutput () const
 Return the base simulation Output class instance.
 
SimTime_t getCurrentSimTime (TimeConverter *tc) const
 return the time since the simulation began in units specified by the parameter. More...
 
SimTime_t getCurrentSimTime () const
 return the time since the simulation began in the default timebase
 
SimTime_t getCurrentSimTime (const std::string &base) const
 return the time since the simulation began in timebase specified More...
 
SimTime_t getCurrentSimTimeNano () const
 Utility function to return the time since the simulation began in nanoseconds.
 
SimTime_t getCurrentSimTimeMicro () const
 Utility function to return the time since the simulation began in microseconds.
 
SimTime_t getCurrentSimTimeMilli () const
 Utility function to return the time since the simulation began in milliseconds.
 
SubComponentSlotInfogetSubComponentSlotInfo (const std::string &name, bool fatalOnEmptyIndex=false)
 
const std::vector< double > & getCoordinates () const
 Retrieve the X,Y,Z coordinates of this component.
 

Protected Types

using StatCreateFunction = std::function< Statistics::StatisticBase *(BaseComponent *, Statistics::StatisticProcessingEngine *, const std::string &, const std::string &, const std::string &, Params &)>
 

Protected Member Functions

bool isPortConnected (const std::string &name) const
 Determine if a port name is connected to any links.
 
LinkconfigureLink (const std::string &name, TimeConverter *time_base, Event::HandlerBase *handler=nullptr)
 Configure a Link. More...
 
LinkconfigureLink (const std::string &name, const std::string &time_base, Event::HandlerBase *handler=nullptr)
 Configure a Link. More...
 
LinkconfigureLink (const std::string &name, Event::HandlerBase *handler=nullptr)
 Configure a Link. More...
 
LinkconfigureSelfLink (const std::string &name, TimeConverter *time_base, Event::HandlerBase *handler=nullptr)
 Configure a SelfLink (Loopback link) More...
 
LinkconfigureSelfLink (const std::string &name, const std::string &time_base, Event::HandlerBase *handler=nullptr)
 Configure a SelfLink (Loopback link) More...
 
LinkconfigureSelfLink (const std::string &name, Event::HandlerBase *handler=nullptr)
 Configure a SelfLink (Loopback link) More...
 
TimeConverterregisterClock (const std::string &freq, Clock::HandlerBase *handler, bool regAll=true)
 Registers a clock for this component. More...
 
TimeConverterregisterClock (const UnitAlgebra &freq, Clock::HandlerBase *handler, bool regAll=true)
 Registers a clock for this component. More...
 
TimeConverterregisterClock (TimeConverter *tc, Clock::HandlerBase *handler, bool regAll=true)
 Registers a clock for this component. More...
 
void unregisterClock (TimeConverter *tc, Clock::HandlerBase *handler)
 Removes a clock handler from the component.
 
Cycle_t reregisterClock (TimeConverter *freq, Clock::HandlerBase *handler)
 Reactivates an existing Clock and Handler. More...
 
Cycle_t getNextClockCycle (TimeConverter *freq)
 Returns the next Cycle that the TimeConverter would fire.
 
TimeConverterregisterTimeBase (const std::string &base, bool regAll=true)
 Registers a default time base for the component and optionally sets the the component's links to that timebase. More...
 
TimeConvertergetTimeConverter (const std::string &base) const
 
TimeConvertergetTimeConverter (const UnitAlgebra &base) const
 
TimeConvertergetTimeConverterNano () const
 
TimeConvertergetTimeConverterMicro () const
 
TimeConvertergetTimeConverterMilli () const
 
bool isStatisticShared (const std::string &statName, bool include_me=false)
 
template<typename T >
Statistics::Statistic< T > * createStatistic (SST::Params &params, StatisticId_t id, const std::string &name, const std::string &statSubId)
 
template<typename T >
Statistics::Statistic< T > * createNullStatistic (SST::Params &params, const std::string &name, const std::string &statSubId="")
 
template<typename T >
Statistics::Statistic< T > * registerStatistic (SST::Params &params, const std::string &statName, const std::string &statSubId="", bool inserting=false)
 Registers a statistic. More...
 
template<typename T >
Statistics::Statistic< T > * registerStatistic (const std::string &statName, const std::string &statSubId="")
 
template<typename... Args>
Statistics::Statistic
< std::tuple< Args...> > * 
registerMultiStatistic (const std::string &statName, const std::string &statSubId="")
 
template<typename... Args>
Statistics::Statistic
< std::tuple< Args...> > * 
registerMultiStatistic (SST::Params &params, const std::string &statName, const std::string &statSubId="")
 
template<typename T >
Statistics::Statistic< T > * registerStatistic (const char *statName, const char *statSubId="")
 
void performStatisticOutput (Statistics::StatisticBase *stat)
 Called by the Components and Subcomponent to perform a statistic Output. More...
 
void performGlobalStatisticOutput ()
 Performs a global statistic Output. More...
 
ModuleloadModule (const std::string &type, Params &params)
 Loads a module from an element Library. More...
 
template<class T , class... ARGS>
T * loadModule (const std::string &type, Params &params, ARGS...args)
 Loads a module from an element Library. More...
 
template<class T , class... ARGS>
T * loadComponentExtension (ARGS...args)
 
template<class T >
bool isSubComponentLoadableUsingAPI (const std::string &type)
 Check to see if a given element type is loadable with a particular API. More...
 
template<class T >
bool isUserSubComponentLoadableUsingAPI (const std::string &slot_name)
 Check to see if the element type loaded by the user into the. More...
 
template<class T , class... ARGS>
T * loadAnonymousSubComponent (const std::string &type, const std::string &slot_name, int slot_num, uint64_t share_flags, Params &params, ARGS...args)
 Loads an anonymous subcomponent (not defined in input file to SST run). More...
 
template<class T >
T * loadUserSubComponent (const std::string &slot_name)
 Loads a user defined subcomponent (defined in input file to SST run). More...
 
template<class T , class... ARGS>
T * loadUserSubComponent (const std::string &slot_name, uint64_t share_flags, ARGS...args)
 Loads a user defined subcomponent (defined in input file to SST run). More...
 
void fatal (uint32_t line, const char *file, const char *func, int exit_code, const char *format,...) const
 Convenience function for reporting fatal conditions. More...
 
void sst_assert (bool condition, uint32_t line, const char *file, const char *func, int exit_code, const char *format,...) const
 Convenience function for testing for and reporting fatal conditions. More...
 
bool isAnonymous ()
 
bool isUser ()
 
void setDefaultTimeBase (TimeConverter *tc)
 Manually set the default detaulTimeBase.
 
TimeConvertergetDefaultTimeBase ()
 
const TimeConvertergetDefaultTimeBase () const
 
bool doesSubComponentExist (const std::string &type)
 
SharedRegiongetLocalSharedRegion (const std::string &key, size_t size)
 Find a lookup table.
 
SharedRegiongetGlobalSharedRegion (const std::string &key, size_t size, SharedRegionMerger *merger=nullptr)
 
SimulationgetSimulation () const
 
virtual bool doesComponentInfoStatisticExist (const std::string &statisticName) const
 
uint8_t getComponentInfoStatisticEnableLevel (const std::string &statisticName) const
 

Friends

class SubComponentSlotInfo
 
class SubComponent
 
class ComponentInfo
 
class ComponentExtension
 
class SST::Statistics::StatisticProcessingEngine
 

Detailed Description

Main component object for the simulation.

Member Function Documentation

virtual void SST::BaseComponent::complete ( unsigned int   UNUSEDphase)
inlinevirtual

Used during the init phase.

The method will be called each phase of initialization. Initialization ends when no components have sent any data.

Reimplemented in SST::Interfaces::SimpleNetwork.

Link * SST::BaseComponent::configureLink ( const std::string &  name,
TimeConverter time_base,
Event::HandlerBase handler = nullptr 
)
protected

Configure a Link.

Parameters
name- Port Name on which the link to configure is attached.
time_base- Time Base of the link. If nullptr is passed in, then it will use the Component defaultTimeBase
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References SST::LinkMap::getLink(), SST::LinkMap::insertLink(), SST::Link::setDefaultTimeBase(), SST::Link::setFunctor(), and SST::Link::setPolling().

Referenced by configureLink(), and configureSelfLink().

Link * SST::BaseComponent::configureLink ( const std::string &  name,
const std::string &  time_base,
Event::HandlerBase handler = nullptr 
)
protected

Configure a Link.

Parameters
name- Port Name on which the link to configure is attached.
time_base- Time Base of the link as a string
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References configureLink(), and SST::Simulation_impl::getTimeLord().

Link * SST::BaseComponent::configureLink ( const std::string &  name,
Event::HandlerBase handler = nullptr 
)
protected

Configure a Link.

Parameters
name- Port Name on which the link to configure is attached.
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References configureLink().

Link * SST::BaseComponent::configureSelfLink ( const std::string &  name,
TimeConverter time_base,
Event::HandlerBase handler = nullptr 
)
protected

Configure a SelfLink (Loopback link)

Parameters
name- Name of the self-link port
time_base- Time Base of the link. If nullptr is passed in, then it will use the Component defaultTimeBase
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References configureLink().

Link * SST::BaseComponent::configureSelfLink ( const std::string &  name,
const std::string &  time_base,
Event::HandlerBase handler = nullptr 
)
protected

Configure a SelfLink (Loopback link)

Parameters
name- Name of the self-link port
time_base- Time Base of the link
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References configureLink().

Link * SST::BaseComponent::configureSelfLink ( const std::string &  name,
Event::HandlerBase handler = nullptr 
)
protected

Configure a SelfLink (Loopback link)

Parameters
name- Name of the self-link port
handler- Optional Handler to be called when an Event is received
Returns
A pointer to the configured link, or nullptr if an error occured.

References configureLink().

virtual void SST::BaseComponent::emergencyShutdown ( void  )
inlinevirtual

Called when SIGINT or SIGTERM has been seen.

Allows components opportunity to clean up external state.

void SST::BaseComponent::fatal ( uint32_t  line,
const char *  file,
const char *  func,
int  exit_code,
const char *  format,
  ... 
) const
protected

Convenience function for reporting fatal conditions.

The function will create a new Output object and call fatal() using the supplied parameters. Before calling Output::fatal(), the function will also print other information about the (sub)component that called fatal and about the simulation state.

From Output::fatal: Message will be sent to the output location and to stderr. The output will be prepended with the expanded prefix set in the object. NOTE: fatal() will call MPI_Abort(exit_code) to terminate simulation.

Parameters
lineLine number of calling function (use CALL_INFO macro)
fileFile name calling function (use CALL_INFO macro)
funcFunction name calling function (use CALL_INFO macro)
exit_codeThe exit code used for termination of simulation. will be passed to MPI_Abort()
formatFormat string. All valid formats for printf are available.
...Arguments for format.
SimTime_t SST::BaseComponent::getCurrentSimTime ( TimeConverter tc) const

return the time since the simulation began in units specified by the parameter.

Parameters
tcTimeConverter specifying the units

References SST::TimeConverter::convertFromCoreTime(), getCurrentSimCycle(), and SST::Simulation_impl::getSimulation().

SimTime_t SST::BaseComponent::getCurrentSimTime ( const std::string &  base) const

return the time since the simulation began in timebase specified

Parameters
baseTimebase frequency in SI Units

References getCurrentSimTime(), and SST::Simulation_impl::getTimeLord().

const std::string& SST::BaseComponent::getParentComponentName ( ) const
inline

Returns the name of the parent Component, or, if called on a Component, the name of that Component.

virtual void SST::BaseComponent::init ( unsigned int   UNUSEDphase)
inlinevirtual

Used during the init phase.

The method will be called each phase of initialization. Initialization ends when no components have sent any data.

Reimplemented in SST::Interfaces::SimpleNetwork, and SST::SubComponent.

template<class T >
bool SST::BaseComponent::isSubComponentLoadableUsingAPI ( const std::string &  type)
inlineprotected

Check to see if a given element type is loadable with a particular API.

Parameters
name- Name of element to check in lib.name format
Returns
True if loadable as the API specified as the template parameter
template<class T >
bool SST::BaseComponent::isUserSubComponentLoadableUsingAPI ( const std::string &  slot_name)
inlineprotected

Check to see if the element type loaded by the user into the.

specified slot is loadable with a particular API. This will only check slot index 0. If you need to check other slots, please use the SubComponentSlotInfo.

Parameters
slot_name- Name of slot to check
Returns
True if loadable as the API specified as the template parameter

References SST::Output::fatal(), and SST::Output::STDERR.

template<class T , class... ARGS>
T* SST::BaseComponent::loadAnonymousSubComponent ( const std::string &  type,
const std::string &  slot_name,
int  slot_num,
uint64_t  share_flags,
Params params,
ARGS...  args 
)
inlineprotected

Loads an anonymous subcomponent (not defined in input file to SST run).

Parameters
typetyupe of subcomponent to load in lib.name format
slot_namename of the slot to load subcomponent into
slot_numindex of the slot to load subcomponent into
share_flagsShare flags to be used by subcomponent
paramsParams object to be passed to subcomponent
argsArguments to be passed to constructor. This signature is defined in the API definition

For ease in backward compatibility to old API, this call will try to load using new API and will fallback to old if unsuccessful.

Module * SST::BaseComponent::loadModule ( const std::string &  type,
Params params 
)
protected

Loads a module from an element Library.

Parameters
typeFully Qualified library.moduleName
paramsParameters the module should use for configuration
Returns
handle to new instance of module, or nullptr on failure.
template<class T , class... ARGS>
T* SST::BaseComponent::loadModule ( const std::string &  type,
Params params,
ARGS...  args 
)
inlineprotected

Loads a module from an element Library.

Parameters
typeFully Qualified library.moduleName
paramsParameters the module should use for configuration
Returns
handle to new instance of module, or nullptr on failure.
template<class T >
T* SST::BaseComponent::loadUserSubComponent ( const std::string &  slot_name)
inlineprotected

Loads a user defined subcomponent (defined in input file to SST run).

This version does not allow share flags (set to SHARE_NONE) or constructor arguments.

Parameters
slot_namename of the slot to load subcomponent into

For ease in backward compatibility to old API, this call will try to load using new API and will fallback to old if unsuccessful.

template<class T , class... ARGS>
T* SST::BaseComponent::loadUserSubComponent ( const std::string &  slot_name,
uint64_t  share_flags,
ARGS...  args 
)
inlineprotected

Loads a user defined subcomponent (defined in input file to SST run).

Parameters
slot_namename of the slot to load subcomponent into
share_flagsShare flags to be used by subcomponent
argsArguments to be passed to constructor. This signature is defined in the API definition

For ease in backward compatibility to old API, this call will try to load using new API and will fallback to old if unsuccessful.

References SST::Output::fatal(), and SST::Output::STDERR.

void SST::BaseComponent::performGlobalStatisticOutput ( )
protected

Performs a global statistic Output.

This routine will force ALL Components and Subcomponents to output their statistic information. This may lead to unexpected results if the statistic counts or data is reset on output. NOTE: Currently, this function will only output statistics that are on the same rank.

References SST::Simulation_impl::getSimulation(), SST::Simulation_impl::getStatisticsProcessingEngine(), and SST::Statistics::StatisticProcessingEngine::performGlobalStatisticOutput().

void SST::BaseComponent::performStatisticOutput ( Statistics::StatisticBase stat)
protected

Called by the Components and Subcomponent to perform a statistic Output.

Parameters
stat- Pointer to the statistic.
EndOfSimFlag- Indicates that the output is occurring at the end of simulation.

References SST::Simulation_impl::getSimulation(), SST::Simulation_impl::getStatisticsProcessingEngine(), and SST::Statistics::StatisticProcessingEngine::performStatisticOutput().

virtual void SST::BaseComponent::printStatus ( Output UNUSEDout)
inlinevirtual

Called by the Simulation to request that the component print it's current status.

Useful for debugging.

Parameters
outThe Output class which should be used to print component status.
TimeConverter * SST::BaseComponent::registerClock ( const std::string &  freq,
Clock::HandlerBase handler,
bool  regAll = true 
)
protected

Registers a clock for this component.

Parameters
freqFrequency for the clock in SI units
handlerPointer to Clock::HandlerBase which is to be invoked at the specified interval
regAllShould this clock period be used as the default time base for all of the links connected to this component
Returns
the TimeConverter object representing the clock frequency

References SST::Simulation_impl::getSimulation(), and SST::Simulation_impl::registerClock().

TimeConverter * SST::BaseComponent::registerClock ( const UnitAlgebra freq,
Clock::HandlerBase handler,
bool  regAll = true 
)
protected

Registers a clock for this component.

Parameters
freqFrequency for the clock as a UnitAlgebra object
handlerPointer to Clock::HandlerBase which is to be invoked at the specified interval
regAllShould this clock period be used as the default time base for all of the links connected to this component
Returns
the TimeConverter object representing the clock frequency

References SST::Simulation_impl::getSimulation(), and SST::Simulation_impl::registerClock().

TimeConverter * SST::BaseComponent::registerClock ( TimeConverter tc,
Clock::HandlerBase handler,
bool  regAll = true 
)
protected

Registers a clock for this component.

Parameters
tcTimeConverter object specifying the clock frequency
handlerPointer to Clock::HandlerBase which is to be invoked at the specified interval
regAllShould this clock period be used as the default time base for all of the links connected to this component
Returns
the TimeConverter object representing the clock frequency

References SST::Simulation_impl::getSimulation(), and SST::Simulation_impl::registerClock().

template<typename T >
Statistics::Statistic<T>* SST::BaseComponent::registerStatistic ( SST::Params params,
const std::string &  statName,
const std::string &  statSubId = "",
bool  inserting = false 
)
inlineprotected

Registers a statistic.

If Statistic is allowed to run (controlled by Python runtime parameters), then a statistic will be created and returned. If not allowed to run, then a NullStatistic will be returned. In either case, the returned value should be used for all future Statistic calls. The type of Statistic and the Collection Rate is set by Python runtime parameters. If no type is defined, then an Accumulator Statistic will be provided by default. If rate set to 0 or not provided, then the statistic will output results only at end of sim (if output is enabled).

Parameters
statNamePrimary name of the statistic. This name must match the defined ElementInfoStatistic in the component, and must also be enabled in the Python input file.
statSubIdAn additional sub name for the statistic
Returns
Either a created statistic of desired type or a NullStatistic depending upon runtime settings.
TimeConverter * SST::BaseComponent::registerTimeBase ( const std::string &  base,
bool  regAll = true 
)
protected

Registers a default time base for the component and optionally sets the the component's links to that timebase.

Useful for components which do not have a clock, but would like a default timebase.

Parameters
baseFrequency for the clock in SI units
regAllShould this clock period be used as the default time base for all of the links connected to this component

References SST::TimeLord::getTimeConverter(), and SST::Simulation_impl::getTimeLord().

Cycle_t SST::BaseComponent::reregisterClock ( TimeConverter freq,
Clock::HandlerBase handler 
)
protected

Reactivates an existing Clock and Handler.

Returns
time of next time clock handler will fire

References SST::Simulation_impl::getSimulation(), and SST::Simulation_impl::reregisterClock().

void SST::BaseComponent::sst_assert ( bool  condition,
uint32_t  line,
const char *  file,
const char *  func,
int  exit_code,
const char *  format,
  ... 
) const
protected

Convenience function for testing for and reporting fatal conditions.

If the condition holds, fatal() will be called, otherwise, the function will return. The function will create a new Output object and call fatal() using the supplied parameters. Before calling Output::fatal(), the function will also print other information about the (sub)component that called fatal and about the simulation state.

From Output::fatal: Message will be sent to the output location and to stderr. The output will be prepended with the expanded prefix set in the object. NOTE: fatal() will call MPI_Abort(exit_code) to terminate simulation.

Parameters
conditionon which to call fatal(); fatal() is called if the bool is false.
lineLine number of calling function (use CALL_INFO macro)
fileFile name calling function (use CALL_INFO macro)
funcFunction name calling function (use CALL_INFO macro)
exit_codeThe exit code used for termination of simulation. will be passed to MPI_Abort()
formatFormat string. All valid formats for printf are available.
...Arguments for format.

The documentation for this class was generated from the following files: