gem5  v20.1.0.0
Public Member Functions | List of all members
MultiperspectivePerceptron::PATH Class Reference

#include <multiperspective_perceptron.hh>

Inheritance diagram for MultiperspectivePerceptron::PATH:
MultiperspectivePerceptron::HistorySpec

Public Member Functions

 PATH (int p1, int p2, int p3, double coeff, int size, int width, MultiperspectivePerceptron &mpp)
 
unsigned int getHash (ThreadID tid, Addr pc, Addr pc2, int t) const override
 Gets the hash to index the table, using the pc of the branch, and the index of the table. More...
 
void setBitRequirements () const override
 Sets the size requirements of the table, used when initializing to set the proper size of the tables. More...
 
- Public Member Functions inherited from MultiperspectivePerceptron::HistorySpec
 HistorySpec (int _p1, int _p2, int _p3, double _coeff, int _size, int _width, MultiperspectivePerceptron &_mpp)
 

Additional Inherited Members

- Public Attributes inherited from MultiperspectivePerceptron::HistorySpec
const int p1
 First parameter. More...
 
const int p2
 Second parameter. More...
 
const int p3
 Third parameter. More...
 
const double coeff
 Coefficient of the feature, models the accuracy of the feature. More...
 
const int size
 Pre-assigned size in bits assigned to this feature. More...
 
const int width
 Width of the table in bits
More...
 
MultiperspectivePerceptronmpp
 Reference to the branch predictor class. More...
 

Detailed Description

Definition at line 689 of file multiperspective_perceptron.hh.

Constructor & Destructor Documentation

◆ PATH()

MultiperspectivePerceptron::PATH::PATH ( int  p1,
int  p2,
int  p3,
double  coeff,
int  size,
int  width,
MultiperspectivePerceptron mpp 
)
inline

Definition at line 691 of file multiperspective_perceptron.hh.

Member Function Documentation

◆ getHash()

unsigned int MultiperspectivePerceptron::PATH::getHash ( ThreadID  tid,
Addr  pc,
Addr  pc2,
int  t 
) const
inlineoverridevirtual

Gets the hash to index the table, using the pc of the branch, and the index of the table.

Parameters
tidThread ID of the branch
pcaddress of the branch
pc2address of the branch shifted 2 bits to the right
tinteger index of the table
Returns
resulting hash value that will be used to index the table

Implements MultiperspectivePerceptron::HistorySpec.

Definition at line 696 of file multiperspective_perceptron.hh.

References MultiperspectivePerceptron::blockSize, ArmISA::i, ArmISA::j, MipsISA::k, MultiperspectivePerceptron::HistorySpec::mpp, MultiperspectivePerceptron::HistorySpec::p1, MultiperspectivePerceptron::HistorySpec::p2, MultiperspectivePerceptron::HistorySpec::p3, ArmISA::shift, MultiperspectivePerceptron::threadData, and RiscvISA::x.

◆ setBitRequirements()

void MultiperspectivePerceptron::PATH::setBitRequirements ( ) const
inlineoverridevirtual

Sets the size requirements of the table, used when initializing to set the proper size of the tables.

Reimplemented from MultiperspectivePerceptron::HistorySpec.

Definition at line 727 of file multiperspective_perceptron.hh.

References MultiperspectivePerceptron::HistorySpec::mpp, MultiperspectivePerceptron::HistorySpec::p1, and MultiperspectivePerceptron::path_length.


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

Generated on Wed Sep 30 2020 14:02:28 for gem5 by doxygen 1.8.17