REGION_STRIDE_PREFETCH Module Reference

Collaboration diagram for REGION_STRIDE_PREFETCH:

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Public Member Functions

 REGION_STRIDE_PREFETCH (MEM_POOL *m, INT32 stride_flags)
 ~REGION_STRIDE_PREFETCH ()
void Stride_A_Region (REGION *regn)

Protected Member Functions

void Stride_Prefetch_Initial (void)
UINT64 Find_Loop_Count (REGION *rgn)
double Compute_Iteration_Cycles (UINT64 loop_count)
double Compute_Region_Cycles (REGION *regn)
float Compute_Iteration_Data_Size (UINT64 loop_count)
float Compute_Region_Data_Size (REGION *regn)
UINT32 BB_Ld_Count (BB *bb)
void Compute_Prefetch_Distance (INT32 *distance)
INT32 Min (double a, double b, double c)
void Insert_Prefetch_List (INT32 *distance)
void Stride_Ins (BB *bb, OP *op, INT32 distance)
OP * Mk_Add_OP (mINT64 int_arg, TN *tn, TN *total_tn)
OP * Mk_Prefetch_OP (float zero_prob, TN *address)
void Strong_Single_Stride_Ins (BB *bb, OP *op, INT32 distance)
void Phased_Multi_Stride_Ins (BB *bb, OP *op, INT32 distance)

Private Attributes

MEM_POOL * _mempool
REGION * region
UINT64 pu_freq
UINT64 THRESH_FREQ
UINT32 PRE_DISTANCE
UINT32 LOAD_LATENCY
UINT64 CACHE_SIZE
float STRONG_SINGLE_STRIDE_THREHOLD
UINT32 PHASED_MULTI_STRIDE_THRESHOLD
UINT64 PMST_SECOD_FREQ
float PMST_ZERO_FREQ
UINT64 SINGLE_FIRST_FREQ
float NTA_THRESHOLD
STRIDE_LOOP_HEADER * loop_header
INT32 flags

Detailed Description

Definition at line 80 of file stride_prefetch.cxx.

Constructor & Destructor Documentation

REGION_STRIDE_PREFETCH::REGION_STRIDE_PREFETCH ( MEM_POOL *  m,
INT32  stride_flags 
) [inline]

Definition at line 100 of file stride_prefetch.cxx.

REGION_STRIDE_PREFETCH::~REGION_STRIDE_PREFETCH (  )  [inline]

Definition at line 107 of file stride_prefetch.cxx.

Member Function/Subroutine Documentation

void REGION_STRIDE_PREFETCH::Stride_A_Region ( REGION *  regn  ) 

Definition at line 166 of file stride_prefetch.cxx.

References _mempool, BOOL, Compute_Prefetch_Distance(), CXX_NEW, Insert_Prefetch_List(), INT32, loop_header, NULL, region, and Stride_Prefetch_Initial().

Referenced by Stride_Region().

void REGION_STRIDE_PREFETCH::Stride_Prefetch_Initial ( void   )  [protected]

Definition at line 187 of file stride_prefetch.cxx.

References stride_loop_header::average_cycle_iter, stride_loop_header::average_data_size_iter, BOOL, Compute_Iteration_Cycles(), Compute_Iteration_Data_Size(), edge_done, EMPT, FALSE, Find_Loop_Count(), bb::freq, if(), LOOP, loop_count, loop_header, REGION::Next_Sibling(), NULL, pu_freq, region, REGION_First_BB, REGION::Region_Type(), return, THRESH_FREQ, stride_loop_header::trip_count, TRUE, and UINT64.

Referenced by Stride_A_Region().

UINT64 REGION_STRIDE_PREFETCH::Find_Loop_Count ( REGION *  rgn  )  [protected]

Definition at line 244 of file stride_prefetch.cxx.

References BB_freq, REGION::Entries(), iter, and UINT64.

Referenced by Stride_Prefetch_Initial().

double REGION_STRIDE_PREFETCH::Compute_Iteration_Cycles ( UINT64  loop_count  )  [protected]

Definition at line 259 of file stride_prefetch.cxx.

References Compute_Region_Cycles(), and region.

Referenced by Stride_Prefetch_Initial().

double REGION_STRIDE_PREFETCH::Compute_Region_Cycles ( REGION *  regn  )  [protected]

Definition at line 268 of file stride_prefetch.cxx.

References BB_call, BB_cycle, BB_freq, REGIONAL_CFG_NODE::BB_Node(), Calculate_BB_Cycle(), FALSE, REGIONAL_CFG_NODE::Is_Region(), iter, node, REGIONAL_CFG::Node_Set(), REGIONAL_CFG_NODE::Region_Node(), and REGION::Regional_Cfg().

Referenced by Compute_Iteration_Cycles(), and Compute_Iteration_Data_Size().

float REGION_STRIDE_PREFETCH::Compute_Iteration_Data_Size ( UINT64  loop_count  )  [protected]

Definition at line 315 of file stride_prefetch.cxx.

References Compute_Region_Cycles(), and region.

Referenced by Stride_Prefetch_Initial().

float REGION_STRIDE_PREFETCH::Compute_Region_Data_Size ( REGION *  regn  )  [protected]

Definition at line 322 of file stride_prefetch.cxx.

References BB_call, BB_freq, BB_Ld_Count(), REGIONAL_CFG_NODE::BB_Node(), REGIONAL_CFG_NODE::Is_Region(), iter, node, REGIONAL_CFG::Node_Set(), region, REGIONAL_CFG_NODE::Region_Node(), REGION::Regional_Cfg(), and REGION::Regional_Cfg_Node().

UINT32 REGION_STRIDE_PREFETCH::BB_Ld_Count ( BB *  bb  )  [protected]

Definition at line 354 of file stride_prefetch.cxx.

References BB_first_op, i, NULL, OP_code, OP_next, and UINT32.

Referenced by Compute_Region_Data_Size().

void REGION_STRIDE_PREFETCH::Compute_Prefetch_Distance ( INT32 *  distance  )  [protected]

Definition at line 377 of file stride_prefetch.cxx.

References stride_loop_header::average_cycle_iter, stride_loop_header::average_data_size_iter, EMPT, LOAD_LATENCY, loop_header, Min(), PRE_DISTANCE, and stride_loop_header::trip_count.

Referenced by Stride_A_Region().

INT32 REGION_STRIDE_PREFETCH::Min ( double  a,
double  b,
double  c 
) [protected]

Definition at line 400 of file stride_prefetch.cxx.

References i, and INT32.

Referenced by Compute_Prefetch_Distance().

void REGION_STRIDE_PREFETCH::Insert_Prefetch_List ( INT32 *  distance  )  [protected]

Definition at line 412 of file stride_prefetch.cxx.

References BB_first_op, REGIONAL_CFG_NODE::BB_Node(), REGIONAL_CFG_NODE::Is_Region(), loop_header, node, NULL, OP_code, OP_next, region, REGION::Regional_Cfg(), Stride_Ins(), stride_loop_header::trip_count, and UINT64.

Referenced by Stride_A_Region().

void REGION_STRIDE_PREFETCH::Stride_Ins ( BB *  bb,
OP *  op,
INT32  distance 
) [protected]

Definition at line 442 of file stride_prefetch.cxx.

References FB_TNV::_counters, FB_TNV::_exec_counter, FB_TNV::_zero_std_counter, DevWarn, float, i, NULL, OP_MAP_Get(), op_stride_tnv_map, Phased_Multi_Stride_Ins(), PHASED_MULTI_STRIDE_THRESHOLD, PMST_ZERO_FREQ, SINGLE_FIRST_FREQ, Strong_Single_Stride_Ins(), STRONG_SINGLE_STRIDE_THREHOLD, and UINT64.

Referenced by Insert_Prefetch_List().

OP * REGION_STRIDE_PREFETCH::Mk_Add_OP ( mINT64  int_arg,
TN *  tn,
TN *  total_tn 
) [protected]

Definition at line 563 of file stride_prefetch.cxx.

References Gen_Literal_TN(), Mk_OP(), and True_TN.

OP * REGION_STRIDE_PREFETCH::Mk_Prefetch_OP ( float  zero_prob,
TN *  address 
) [protected]

Definition at line 570 of file stride_prefetch.cxx.

References Gen_Enum_TN(), Mk_OP(), and True_TN.

Referenced by Phased_Multi_Stride_Ins(), and Strong_Single_Stride_Ins().

void REGION_STRIDE_PREFETCH::Strong_Single_Stride_Ins ( BB *  bb,
OP *  op,
INT32  distance 
) [protected]

Definition at line 492 of file stride_prefetch.cxx.

References FB_TNV::_exec_counter, FB_TNV::_values, FB_TNV::_zero_std_counter, abs, base, BB_Insert_Op_Before(), Cache_Access_Same_Line(), pref_dis_map::dis, flags, float, Gen_Literal_TN(), Gen_Register_TN(), i, INT, MAX_DISTANCE, MIN_STRIDE, mINT64, Mk_OP(), Mk_Prefetch_OP(), pref_dis_map::op, OP_MAP_Get(), OP_MAP_Set(), OP_opnd, OP_srcpos, op_stride_tnv_map, OPC_PREFETCH, prefetch_list, STRONG_SINGL_STRIDE, True_TN, wn, WN_Create(), WN_offset(), and WN_pf_set_manual.

Referenced by Stride_Ins().

void REGION_STRIDE_PREFETCH::Phased_Multi_Stride_Ins ( BB *  bb,
OP *  op,
INT32  distance 
) [protected]

Definition at line 581 of file stride_prefetch.cxx.

References FB_TNV::_exec_counter, FB_TNV::_zero_std_counter, base, BB_Insert_Op_Before(), flags, float, Gen_Literal_TN(), Gen_Register_TN(), mINT64, Mk_OP(), Mk_Prefetch_OP(), OP_MAP_Get(), OP_MAP_Set(), OP_opnd, OP_srcpos, op_stride_tnv_map, OPC_PREFETCH, PHASED_MULTI_STRIDE, stride, True_TN, wn, WN_Create(), WN_offset(), and WN_pf_set_manual.

Referenced by Stride_Ins().

Field Documentation

MEM_POOL* REGION_STRIDE_PREFETCH::_mempool [private]

Definition at line 82 of file stride_prefetch.cxx.

Referenced by Stride_A_Region().

REGION* REGION_STRIDE_PREFETCH::region [private]

Definition at line 83 of file stride_prefetch.cxx.

Referenced by Compute_Iteration_Cycles(), Compute_Iteration_Data_Size(), Compute_Region_Data_Size(), Insert_Prefetch_List(), Stride_A_Region(), and Stride_Prefetch_Initial().

UINT64 REGION_STRIDE_PREFETCH::pu_freq [private]

Definition at line 84 of file stride_prefetch.cxx.

Referenced by Stride_Prefetch_Initial().

UINT64 REGION_STRIDE_PREFETCH::THRESH_FREQ [private]

Definition at line 85 of file stride_prefetch.cxx.

Referenced by Stride_Prefetch_Initial().

UINT32 REGION_STRIDE_PREFETCH::PRE_DISTANCE [private]

Definition at line 86 of file stride_prefetch.cxx.

Referenced by Compute_Prefetch_Distance().

UINT32 REGION_STRIDE_PREFETCH::LOAD_LATENCY [private]

Definition at line 87 of file stride_prefetch.cxx.

Referenced by Compute_Prefetch_Distance().

UINT64 REGION_STRIDE_PREFETCH::CACHE_SIZE [private]

Definition at line 88 of file stride_prefetch.cxx.

float REGION_STRIDE_PREFETCH::STRONG_SINGLE_STRIDE_THREHOLD [private]

Definition at line 89 of file stride_prefetch.cxx.

Referenced by Stride_Ins().

UINT32 REGION_STRIDE_PREFETCH::PHASED_MULTI_STRIDE_THRESHOLD [private]

Definition at line 90 of file stride_prefetch.cxx.

Referenced by Stride_Ins().

UINT64 REGION_STRIDE_PREFETCH::PMST_SECOD_FREQ [private]

Definition at line 91 of file stride_prefetch.cxx.

float REGION_STRIDE_PREFETCH::PMST_ZERO_FREQ [private]

Definition at line 92 of file stride_prefetch.cxx.

Referenced by Stride_Ins().

UINT64 REGION_STRIDE_PREFETCH::SINGLE_FIRST_FREQ [private]

Definition at line 93 of file stride_prefetch.cxx.

Referenced by Stride_Ins().

float REGION_STRIDE_PREFETCH::NTA_THRESHOLD [private]

Definition at line 94 of file stride_prefetch.cxx.

STRIDE_LOOP_HEADER* REGION_STRIDE_PREFETCH::loop_header [private]

Definition at line 95 of file stride_prefetch.cxx.

Referenced by Compute_Prefetch_Distance(), Insert_Prefetch_List(), Stride_A_Region(), and Stride_Prefetch_Initial().

INT32 REGION_STRIDE_PREFETCH::flags [private]

Definition at line 96 of file stride_prefetch.cxx.

Referenced by Phased_Multi_Stride_Ins(), and Strong_Single_Stride_Ins().

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