tlx
PS5BigSortStep< Context, StringPtr > Class Template Reference

PS5BigSortStep Out-of-Place Parallel Sample Sort with Separate Jobs. More...

#include <parallel_sample_sort.hpp>

Inheritance diagram for PS5BigSortStep< Context, StringPtr >:
PS5SortStep

Public Types

typedef StringPtr::StringSet StringSet
 
typedef StringSet::Iterator StrIterator
 
typedef Context::key_type key_type
 

Public Member Functions

 PS5BigSortStep (Context &ctx, PS5SortStep *pstep, const StringPtr &strptr, size_t depth)
 
virtual ~PS5BigSortStep ()
 
void sample ()
 
void count (unsigned int p)
 
void count_finished ()
 
void distribute (unsigned int p)
 
void distribute_finished ()
 
void substep_all_done () final
 Pure virtual function called by substep when all substeps are done. More...
 
- Public Member Functions inherited from PS5SortStep
void substep_notify_done ()
 Notify superstep that the currently substep is done. More...
 

Public Attributes

Context & ctx_
 context More...
 
PS5SortSteppstep_
 parent sort step for notification More...
 
StringPtr strptr_
 string pointers, size, and current sorting depth More...
 
size_t depth_
 
size_t parts_
 number of parts into which the strings were split More...
 
size_t psize_
 size of all parts except the last More...
 
std::atomic< size_t > pwork_
 number of threads still working More...
 
Context::Classify classifier_
 classifier instance and variables (contains splitter tree More...
 
unsigned char splitter_lcp_ [num_splitters_+1]
 LCPs of splitters, needed for recursive calls. More...
 
simple_vector< simple_vector< size_t > > bkt_
 individual bucket array of threads, keep bkt[0] for DistributeJob More...
 
simple_vector< simple_vector< uint16_t > > bktcache_
 bucket ids cache, created by classifier and later counted More...
 

Static Public Attributes

static const size_t treebits_
 
static const size_t num_splitters_
 
static const size_t bktnum_
 

Additional Inherited Members

- Protected Member Functions inherited from PS5SortStep
 PS5SortStep ()
 
virtual ~PS5SortStep ()
 
void substep_add ()
 Register new substep. More...
 

Detailed Description

template<typename Context, typename StringPtr>
class tlx::sort_strings_detail::PS5BigSortStep< Context, StringPtr >

PS5BigSortStep Out-of-Place Parallel Sample Sort with Separate Jobs.

Definition at line 1096 of file parallel_sample_sort.hpp.

Member Typedef Documentation

typedef Context::key_type key_type

Definition at line 1101 of file parallel_sample_sort.hpp.

Definition at line 1099 of file parallel_sample_sort.hpp.

typedef StringSet::Iterator StrIterator

Definition at line 1100 of file parallel_sample_sort.hpp.

Constructor & Destructor Documentation

PS5BigSortStep ( Context &  ctx,
PS5SortStep pstep,
const StringPtr strptr,
size_t  depth 
)
inline

Definition at line 1137 of file parallel_sample_sort.hpp.

virtual ~PS5BigSortStep ( )
inlinevirtual

Definition at line 1160 of file parallel_sample_sort.hpp.

Member Function Documentation

void count ( unsigned int  p)
inline

Definition at line 1196 of file parallel_sample_sort.hpp.

void count_finished ( )
inline

Definition at line 1221 of file parallel_sample_sort.hpp.

void distribute ( unsigned int  p)
inline

Definition at line 1248 of file parallel_sample_sort.hpp.

void distribute_finished ( )
inline

Definition at line 1277 of file parallel_sample_sort.hpp.

void sample ( )
inline

Definition at line 1165 of file parallel_sample_sort.hpp.

void substep_all_done ( )
inlinefinalvirtual

Pure virtual function called by substep when all substeps are done.

Implements PS5SortStep.

Definition at line 1373 of file parallel_sample_sort.hpp.

Member Data Documentation

simple_vector<simple_vector<size_t> > bkt_

individual bucket array of threads, keep bkt[0] for DistributeJob

Definition at line 1130 of file parallel_sample_sort.hpp.

simple_vector<simple_vector<uint16_t> > bktcache_

bucket ids cache, created by classifier and later counted

Definition at line 1132 of file parallel_sample_sort.hpp.

const size_t bktnum_
static

Definition at line 1124 of file parallel_sample_sort.hpp.

Context::Classify classifier_

classifier instance and variables (contains splitter tree

Definition at line 1120 of file parallel_sample_sort.hpp.

Context& ctx_

context

Definition at line 1104 of file parallel_sample_sort.hpp.

size_t depth_

Definition at line 1110 of file parallel_sample_sort.hpp.

const size_t num_splitters_
static

Definition at line 1123 of file parallel_sample_sort.hpp.

size_t parts_

number of parts into which the strings were split

Definition at line 1113 of file parallel_sample_sort.hpp.

size_t psize_

size of all parts except the last

Definition at line 1115 of file parallel_sample_sort.hpp.

PS5SortStep* pstep_

parent sort step for notification

Definition at line 1106 of file parallel_sample_sort.hpp.

std::atomic<size_t> pwork_

number of threads still working

Definition at line 1117 of file parallel_sample_sort.hpp.

unsigned char splitter_lcp_[num_splitters_+1]

LCPs of splitters, needed for recursive calls.

Definition at line 1127 of file parallel_sample_sort.hpp.

StringPtr strptr_

string pointers, size, and current sorting depth

Definition at line 1109 of file parallel_sample_sort.hpp.

const size_t treebits_
static

Definition at line 1122 of file parallel_sample_sort.hpp.


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