Detailed Description

SURF cpu resource interface class.

A Cpu represent a cpu associated to a host

#include <cpu_interface.hpp>

Inheritance diagram for simgrid::surf::Cpu:

Public Member Functions
	Cpu (simgrid::surf::Model model, simgrid::s4u::Host host, lmm_constraint_t constraint, std::vector< double > *speedPerPstate, int core)
	Cpu constructor. More...

	Cpu (simgrid::surf::Model model, simgrid::s4u::Host host, std::vector< double > *speedPerPstate, int core)
	Cpu constructor. More...

	~Cpu ()

virtual simgrid::surf::Action *	execution_start (double size)=0
	Execute some quantity of computation. More...

virtual simgrid::surf::Action *	sleep (double duration)=0
	Make a process sleep for duration (in seconds) More...

virtual int	coreCount ()
	Get the amount of cores. More...

virtual double	getSpeed (double load)
	Get the speed, accounting for the trace load and provided process load instead of the real current one. More...

virtual double	getAvailableSpeed ()
	Get the available speed of the current Cpu. More...

virtual double	getPstateSpeedCurrent ()
	Get the current Cpu computational speed. More...

virtual double	getPstateSpeed (int pstate_index)

virtual int	getNbPStates ()

virtual void	setPState (int pstate_index)

virtual int	getPState ()

simgrid::s4u::Host *	getHost ()

virtual void	setStateTrace (tmgr_trace_t trace)

virtual void	setSpeedTrace (tmgr_trace_t trace)

Public Member Functions inherited from simgrid::surf::Resource
	Resource (Model model, const char name, lmm_constraint_t constraint)
	Constructor of LMM Resources. More...

virtual	~Resource ()

Model *	getModel () const
	Get the Model of the current Resource. More...

const char *	getName () const
	Get the name of the current Resource. More...

bool	operator== (const Resource &other) const

virtual void	apply_event (tmgr_trace_iterator_t event, double value)=0
	Apply an event of external load event to that resource. More...

virtual bool	isUsed ()=0
	Check if the current Resource is used (if it currently serves an action) More...

virtual bool	isOn () const
	Check if the current Resource is active. More...

virtual bool	isOff () const
	Check if the current Resource is shut down. More...

virtual void	turnOn ()
	Turn on the current Resource. More...

virtual void	turnOff ()
	Turn off the current Resource. More...

lmm_constraint_t	getConstraint () const
	Get the lmm constraint associated to this Resource if it is part of a LMM component (or null if none) More...

Public Attributes
int	coresAmount_ = 1

simgrid::s4u::Host *	host_

std::vector< double >	speedPerPstate_

int	pstate_ = 0

tmgr_trace_iterator_t	stateEvent_ = nullptr

s_surf_metric_t	speed_ = {1.0, 0, nullptr}

Protected Member Functions
virtual void	onSpeedChange ()
	Take speed changes (either load or max) into account. More...

Additional Inherited Members
Protected Attributes inherited from simgrid::surf::Resource
const lmm_constraint_t	constraint_ = nullptr

Constructor & Destructor Documentation

◆ Cpu() [1/2]

simgrid::surf::Cpu::Cpu	(	simgrid::surf::Model *	model,
		simgrid::s4u::Host *	host,
		lmm_constraint_t	constraint,
		std::vector< double > *	speedPerPstate,
		int	core
	)

Cpu constructor.

Parameters

model	The CpuModel associated to this Cpu
host	The host in which this Cpu should be plugged
constraint	The lmm constraint associated to this Cpu if it is part of a LMM component
speedPerPstate	Processor speed (in flop per second) for each pstate
core	The number of core of this Cpu

◆ Cpu() [2/2]

simgrid::surf::Cpu::Cpu	(	simgrid::surf::Model *	model,
		simgrid::s4u::Host *	host,
		std::vector< double > *	speedPerPstate,
		int	core
	)

Cpu constructor.

Parameters

model	The CpuModel associated to this Cpu
host	The host in which this Cpu should be plugged
speedPerPstate	Processor speed (in flop per second) for each pstate
core	The number of core of this Cpu

◆ ~Cpu()

simgrid::surf::Cpu::~Cpu ( )

default

Member Function Documentation

◆ execution_start()

virtual simgrid::surf::Action* simgrid::surf::Cpu::execution_start ( double size )

pure virtual

Execute some quantity of computation.

Parameters

size	The value of the processing amount (in flop) needed to process

Returns: The CpuAction corresponding to the processing

Implemented in simgrid::surf::CpuTi, simgrid::surf::CpuL07, and simgrid::surf::CpuCas01.

◆ sleep()

virtual simgrid::surf::Action* simgrid::surf::Cpu::sleep ( double duration )

pure virtual

Make a process sleep for duration (in seconds)

Parameters

duration The number of seconds to sleep

Returns: The CpuAction corresponding to the sleeping

Implemented in simgrid::surf::CpuTi, simgrid::surf::CpuL07, and simgrid::surf::CpuCas01.

◆ coreCount()

int simgrid::surf::Cpu::coreCount ( )

virtual

Get the amount of cores.

◆ getSpeed()

double simgrid::surf::Cpu::getSpeed ( double load )

virtual

Get the speed, accounting for the trace load and provided process load instead of the real current one.

◆ onSpeedChange()

void simgrid::surf::Cpu::onSpeedChange ( )

protectedvirtual

Take speed changes (either load or max) into account.

Reimplemented in simgrid::surf::CpuL07, and simgrid::surf::CpuCas01.

◆ getAvailableSpeed()

double simgrid::surf::Cpu::getAvailableSpeed ( )

virtual

Get the available speed of the current Cpu.

Reimplemented in simgrid::surf::CpuTi.

◆ getPstateSpeedCurrent()

double simgrid::surf::Cpu::getPstateSpeedCurrent ( )

virtual

Get the current Cpu computational speed.

◆ getPstateSpeed()

double simgrid::surf::Cpu::getPstateSpeed ( int pstate_index )

virtual

◆ getNbPStates()

int simgrid::surf::Cpu::getNbPStates ( )

virtual

◆ setPState()

void simgrid::surf::Cpu::setPState ( int pstate_index )

virtual

◆ getPState()

int simgrid::surf::Cpu::getPState ( )

virtual

◆ getHost()

simgrid::s4u::Host* simgrid::surf::Cpu::getHost ( )

inline

◆ setStateTrace()

void simgrid::surf::Cpu::setStateTrace ( tmgr_trace_t trace )

virtual

◆ setSpeedTrace()

void simgrid::surf::Cpu::setSpeedTrace ( tmgr_trace_t trace )

virtual

Reimplemented in simgrid::surf::CpuTi.

Member Data Documentation

◆ coresAmount_

int simgrid::surf::Cpu::coresAmount_ = 1

◆ host_

simgrid::s4u::Host* simgrid::surf::Cpu::host_

◆ speedPerPstate_

std::vector<double> simgrid::surf::Cpu::speedPerPstate_

◆ pstate_

int simgrid::surf::Cpu::pstate_ = 0

◆ stateEvent_

tmgr_trace_iterator_t simgrid::surf::Cpu::stateEvent_ = nullptr

◆ speed_

s_surf_metric_t simgrid::surf::Cpu::speed_ = {1.0, 0, nullptr}

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

src/surf/cpu_interface.hpp
src/surf/cpu_interface.cpp

Detailed Description

Public Member Functions

Public Attributes

Protected Member Functions

Additional Inherited Members

Constructor & Destructor Documentation

◆ Cpu() [1/2]

◆ Cpu() [2/2]

◆ ~Cpu()

Member Function Documentation

◆ execution_start()

◆ sleep()

◆ coreCount()

◆ getSpeed()

◆ onSpeedChange()

◆ getAvailableSpeed()

◆ getPstateSpeedCurrent()

◆ getPstateSpeed()

◆ getNbPStates()

◆ setPState()

◆ getPState()

◆ getHost()

◆ setStateTrace()

◆ setSpeedTrace()

Member Data Documentation

◆ coresAmount_

◆ host_

◆ speedPerPstate_

◆ pstate_

◆ stateEvent_

◆ speed_