SwitchAllocator Class Reference

#include <SwitchAllocator.hh>

Inheritance diagram for SwitchAllocator:

Public Member Functions
	SwitchAllocator (Router *router)
void	wakeup ()
void	init ()
void	clear_request_vector ()
void	check_for_wakeup ()
int	get_vnet (int invc)
void	print (std::ostream &out) const
void	arbitrate_inports ()
void	arbitrate_outports ()
bool	send_allowed (int inport, int invc, int outport, int outvc)
int	vc_allocate (int outport, int inport, int invc)
double	get_input_arbiter_activity ()
double	get_output_arbiter_activity ()
void	resetStats ()
Public Member Functions inherited from Consumer
	Consumer (ClockedObject *_em)
virtual	~Consumer ()
virtual void	storeEventInfo (int info)
bool	alreadyScheduled (Tick time)
void	insertScheduledWakeupTime (Tick time)
ClockedObject *	getObject ()
void	scheduleEventAbsolute (Tick timeAbs)
void	scheduleEvent (Cycles timeDelta)

Private Attributes
int	m_num_inports
int	m_num_outports
int	m_num_vcs
int	m_vc_per_vnet
double	m_input_arbiter_activity
double	m_output_arbiter_activity
Router *	m_router
std::vector< int >	m_round_robin_invc
std::vector< int >	m_round_robin_inport
std::vector< std::vector< bool > >	m_port_requests
std::vector< std::vector< int > >	m_vc_winners

Detailed Description

Definition at line 45 of file SwitchAllocator.hh.

Constructor & Destructor Documentation

SwitchAllocator()

SwitchAllocator::SwitchAllocator

(

Router *

router

)

Definition at line 40 of file SwitchAllocator.cc.

References Router::get_num_vcs(), Router::get_vc_per_vnet(), m_input_arbiter_activity, m_num_vcs, m_output_arbiter_activity, m_router, and m_vc_per_vnet.

Member Function Documentation

arbitrate_inports()

void SwitchAllocator::arbitrate_inports

(

)

Definition at line 107 of file SwitchAllocator.cc.

References curTick(), InputUnit::get_outport(), Router::getInputUnit(), m_input_arbiter_activity, m_num_inports, m_num_vcs, m_port_requests, m_round_robin_invc, m_router, m_vc_winners, SA_, and send_allowed().

Referenced by wakeup().

arbitrate_outports()

void SwitchAllocator::arbitrate_outports

(

)

Definition at line 159 of file SwitchAllocator.cc.

References flit::advance_stage(), Clocked::curCycle(), curTick(), DPRINTF, Router::get_id(), flit::get_type(), Router::getInputUnit(), Router::getOutputUnit(), Router::getPortDirectionName(), Router::grant_switch(), HEAD_TAIL_, m_num_inports, m_num_outports, m_num_vcs, m_output_arbiter_activity, m_port_requests, m_round_robin_inport, m_round_robin_invc, m_router, m_vc_winners, flit::set_outport(), flit::set_vc(), ST_, TAIL_, and vc_allocate().

Referenced by wakeup().

check_for_wakeup()

void SwitchAllocator::check_for_wakeup

(

)

Definition at line 353 of file SwitchAllocator.cc.

References Consumer::alreadyScheduled(), Clocked::clockEdge(), Router::getInputUnit(), ArmISA::i, ArmISA::j, m_num_inports, m_num_vcs, m_router, InputUnit::need_stage(), SA_, and Router::schedule_wakeup().

Referenced by wakeup().

clear_request_vector()

void SwitchAllocator::clear_request_vector

(

)

Definition at line 383 of file SwitchAllocator.cc.

References ArmISA::i, ArmISA::j, m_num_inports, m_num_outports, and m_port_requests.

Referenced by wakeup().

get_input_arbiter_activity()

double SwitchAllocator::get_input_arbiter_activity ( )

inline

Definition at line 61 of file SwitchAllocator.hh.

References m_input_arbiter_activity.

Referenced by Router::collateStats().

get_output_arbiter_activity()

double SwitchAllocator::get_output_arbiter_activity ( )

inline

Definition at line 66 of file SwitchAllocator.hh.

References m_output_arbiter_activity.

Referenced by Router::collateStats().

get_vnet()

int SwitchAllocator::get_vnet

(

int

invc

)

Definition at line 372 of file SwitchAllocator.cc.

References m_vc_per_vnet.

Referenced by send_allowed(), and vc_allocate().

init()

void SwitchAllocator::init

(

)

Definition at line 52 of file SwitchAllocator.cc.

References Router::get_num_inports(), Router::get_num_outports(), ArmISA::i, ArmISA::j, m_num_inports, m_num_outports, m_port_requests, m_round_robin_inport, m_round_robin_invc, m_router, and m_vc_winners.

Referenced by Router::init().

print()

void SwitchAllocator::print ( std::ostream &  out ) const

inlinevirtual

Implements Consumer.

Definition at line 54 of file SwitchAllocator.hh.

resetStats()

void SwitchAllocator::resetStats

(

)

Definition at line 393 of file SwitchAllocator.cc.

References m_input_arbiter_activity, and m_output_arbiter_activity.

Referenced by Router::resetStats().

send_allowed()

bool SwitchAllocator::send_allowed	(	int	inport,
		int	invc,
		int	outport,
		int	outvc
	)

Definition at line 280 of file SwitchAllocator.cc.

References curTick(), InputUnit::get_enqueue_time(), Router::get_net_ptr(), get_vnet(), Router::getInputUnit(), Router::getOutputUnit(), OutputUnit::has_credit(), m_router, m_vc_per_vnet, and SA_.

Referenced by arbitrate_inports().

vc_allocate()

int SwitchAllocator::vc_allocate	(	int	outport,
		int	inport,
		int	invc
	)

Definition at line 338 of file SwitchAllocator.cc.

References get_vnet(), Router::getInputUnit(), Router::getOutputUnit(), InputUnit::grant_outvc(), m_router, and OutputUnit::select_free_vc().

Referenced by arbitrate_outports().

wakeup()

void SwitchAllocator::wakeup ( )

virtual

Implements Consumer.

Definition at line 87 of file SwitchAllocator.cc.

References arbitrate_inports(), arbitrate_outports(), check_for_wakeup(), and clear_request_vector().

Referenced by Router::wakeup().

Member Data Documentation

m_input_arbiter_activity

double SwitchAllocator::m_input_arbiter_activity

private

Definition at line 77 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), get_input_arbiter_activity(), resetStats(), and SwitchAllocator().

m_num_inports

int SwitchAllocator::m_num_inports

private

Definition at line 74 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), check_for_wakeup(), clear_request_vector(), and init().

m_num_outports

int SwitchAllocator::m_num_outports

private

Definition at line 74 of file SwitchAllocator.hh.

Referenced by arbitrate_outports(), clear_request_vector(), and init().

m_num_vcs

int SwitchAllocator::m_num_vcs

private

Definition at line 75 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), check_for_wakeup(), and SwitchAllocator().

m_output_arbiter_activity

double SwitchAllocator::m_output_arbiter_activity

private

Definition at line 77 of file SwitchAllocator.hh.

Referenced by arbitrate_outports(), get_output_arbiter_activity(), resetStats(), and SwitchAllocator().

m_port_requests

std::vector<std::vector<bool> > SwitchAllocator::m_port_requests

private

Definition at line 82 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), clear_request_vector(), and init().

m_round_robin_inport

std::vector<int> SwitchAllocator::m_round_robin_inport

private

Definition at line 81 of file SwitchAllocator.hh.

Referenced by arbitrate_outports(), and init().

m_round_robin_invc

std::vector<int> SwitchAllocator::m_round_robin_invc

private

Definition at line 80 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), and init().

m_router

Router* SwitchAllocator::m_router

private

Definition at line 79 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), check_for_wakeup(), init(), send_allowed(), SwitchAllocator(), and vc_allocate().

m_vc_per_vnet

int SwitchAllocator::m_vc_per_vnet

private

Definition at line 75 of file SwitchAllocator.hh.

Referenced by get_vnet(), send_allowed(), and SwitchAllocator().

m_vc_winners

std::vector<std::vector<int> > SwitchAllocator::m_vc_winners

private

Definition at line 83 of file SwitchAllocator.hh.

Referenced by arbitrate_inports(), arbitrate_outports(), and init().

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

• mem/ruby/network/garnet/SwitchAllocator.hh
• mem/ruby/network/garnet/SwitchAllocator.cc