base class for abstract reconvergence mechanism within emulator More...

#include <ReconvergenceMechanism.h>

Inheritance diagram for executive::ReconvergenceMechanism:

Collaboration diagram for executive::ReconvergenceMechanism:

Public Types
enum	Type { Reconverge_IPDOM, Reconverge_Barrier, Reconverge_TFGen6, Reconverge_TFSortedStack, Reconverge_unknown }
Public Member Functions
	ReconvergenceMechanism (CooperativeThreadArray *cta)
virtual	~ReconvergenceMechanism ()
virtual void	initialize ()=0
	initializes the reconvergence mechanism
virtual void	evalPredicate (executive::CTAContext &context)=0
	updates the predicate mask of the active context
virtual bool	eval_Bra (executive::CTAContext &context, const ir::PTXInstruction &instr, const boost::dynamic_bitset<> &branch, const boost::dynamic_bitset<> &fallthrough)=0
	implements branch instruction and updates CTA state
virtual void	eval_Bar (executive::CTAContext &context, const ir::PTXInstruction &instr)=0
	implements a barrier instruction
virtual void	eval_Reconverge (executive::CTAContext &context, const ir::PTXInstruction &instr)=0
	implements reconverge instruction
virtual void	eval_Exit (executive::CTAContext &context, const ir::PTXInstruction &instr)=0
	implements exit instruction
virtual bool	nextInstruction (executive::CTAContext &context, const ir::PTXInstruction::Opcode &opcode)=0
	updates the active context to the next instruction
virtual executive::CTAContext &	getContext ()=0
	gets the active context
virtual size_t	stackSize () const =0
	gets the stack size
virtual void	push (executive::CTAContext &)=0
	push a context
virtual void	pop ()=0
	pop a context
Type	getType () const
	gets the reconvergence mechanism type
Static Public Member Functions
static std::string	toString (Type type)
	gets a string-representation of the type
Protected Attributes
Type	type
	dynamic type information for convergence mechanism
CooperativeThreadArray *	cta
	executing CTA

Detailed Description

base class for abstract reconvergence mechanism within emulator

Member Enumeration Documentation

enum executive::ReconvergenceMechanism::Type

Enumerator:

Reconverge_IPDOM
Reconverge_Barrier
Reconverge_TFGen6
Reconverge_TFSortedStack
Reconverge_unknown

Constructor & Destructor Documentation

executive::ReconvergenceMechanism::ReconvergenceMechanism ( CooperativeThreadArray * cta )

executive::ReconvergenceMechanism::~ReconvergenceMechanism ( ) [virtual]

Member Function Documentation

virtual void executive::ReconvergenceMechanism::eval_Bar	(	executive::CTAContext &	context,
		const ir::PTXInstruction &	instr
	)		`[pure virtual]`

implements a barrier instruction

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual bool executive::ReconvergenceMechanism::eval_Bra	(	executive::CTAContext &	context,
		const ir::PTXInstruction &	instr,
		const boost::dynamic_bitset<> &	branch,
		const boost::dynamic_bitset<> &	fallthrough
	)		`[pure virtual]`

implements branch instruction and updates CTA state

Returns:: true on divergent branch

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual void executive::ReconvergenceMechanism::eval_Exit	(	executive::CTAContext &	context,
		const ir::PTXInstruction &	instr
	)		`[pure virtual]`

implements exit instruction

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual void executive::ReconvergenceMechanism::eval_Reconverge	(	executive::CTAContext &	context,
		const ir::PTXInstruction &	instr
	)		`[pure virtual]`

implements reconverge instruction

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual void executive::ReconvergenceMechanism::evalPredicate ( executive::CTAContext & context ) [pure virtual]

updates the predicate mask of the active context

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual executive::CTAContext& executive::ReconvergenceMechanism::getContext ( ) [pure virtual]

gets the active context

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

Type executive::ReconvergenceMechanism::getType ( ) const [inline]

gets the reconvergence mechanism type

virtual void executive::ReconvergenceMechanism::initialize ( ) [pure virtual]

initializes the reconvergence mechanism

Implemented in executive::ReconvergenceIPDOM, executive::ReconvergenceBarrier, executive::ReconvergenceTFGen6, and executive::ReconvergenceTFSortedStack.

virtual bool executive::ReconvergenceMechanism::nextInstruction	(	executive::CTAContext &	context,
		const ir::PTXInstruction::Opcode &	opcode
	)		`[pure virtual]`