GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount Class Reference

Detailed Description

template<typename ValueType, typename KeyExtractor, typename GroupFunction, typename HashFunction, bool UseLocationDetection>
class thrill::api::GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount

Definition at line 72 of file group_by_key.hpp.

Public Types
using	CounterType = uint8_t
using	HashType = size_t

Public Member Functions
bool	NeedBroadcast () const
HashCount	operator+ (const HashCount &b) const
HashCount &	operator+= (const HashCount &b)
bool	operator< (const HashCount &b) const
template<typename BitReader >
void	ReadBits (BitReader &reader)
	Read count from BitReader. More...
template<typename BitWriter >
void	WriteBits (BitWriter &writer) const
	Write count and dia_mask to BitWriter. More...

Public Attributes
CounterType	count
size_t	hash

Static Public Attributes
static constexpr size_t	counter_bits_ = 8 * sizeof(CounterType)

Member Typedef Documentation

CounterType

using CounterType = uint8_t

Definition at line 76 of file group_by_key.hpp.

HashType

using HashType = size_t

Definition at line 75 of file group_by_key.hpp.

Member Function Documentation

NeedBroadcast()

bool NeedBroadcast ( ) const

inline

method to check if this hash count should be broadcasted to all workers interested – for GroupByKey -> always.

Definition at line 98 of file group_by_key.hpp.

operator+()

HashCount operator+ ( const HashCount &  b ) const

inline

Definition at line 83 of file group_by_key.hpp.

References thrill::common::AddTruncToType(), GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::count, and GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::hash.

operator+=()

HashCount& operator+= ( const HashCount &  b )

inline

Definition at line 88 of file group_by_key.hpp.

References thrill::common::AddTruncToType(), GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::count, and GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::hash.

operator<()

bool operator< ( const HashCount &  b ) const

inline

Definition at line 94 of file group_by_key.hpp.

References GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::hash.

ReadBits()

void ReadBits ( BitReader &  reader )

inline

Read count from BitReader.

Definition at line 104 of file group_by_key.hpp.

WriteBits()

void WriteBits ( BitWriter &  writer ) const

inline

Write count and dia_mask to BitWriter.

Definition at line 110 of file group_by_key.hpp.

Member Data Documentation

count

CounterType count

Definition at line 79 of file group_by_key.hpp.

Referenced by GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::operator+(), and GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::operator+=().

counter_bits_

constexpr size_t counter_bits_ = 8 * sizeof(CounterType)

static

Definition at line 81 of file group_by_key.hpp.

hash

size_t hash

Definition at line 78 of file group_by_key.hpp.

Referenced by GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::operator+(), GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::operator+=(), and GroupByNode< ValueType, KeyExtractor, GroupFunction, HashFunction, UseLocationDetection >::HashCount::operator<().

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

• thrill/api/group_by_key.hpp