cyqlone::TreeBarrier< CompletionFn, PhaseType >::State Struct Reference

Detailed Description

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>
struct cyqlone::TreeBarrier< CompletionFn, PhaseType >::State

Atomic counters for each level of the combining tree.

Aligned to avoid false sharing.

Definition at line 91 of file barrier.hpp.

Public Types
using	atomic_byte = std::atomic<unsigned char>
using	atomic_word = std::atomic<uint32_t>
using	ticket_t = std::conditional_t<only_word_lock_free, atomic_word, atomic_byte>

Public Attributes
std::array< ticket_t, num_levels >	tickets {}

Static Public Attributes
static constexpr bool	only_word_lock_free
static constexpr size_t	num_levels = cache_line_size / sizeof(ticket_t)

Member Typedef Documentation

atomic_byte

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

using cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::atomic_byte = std::atomic<unsigned char>

Definition at line 92 of file barrier.hpp.

atomic_word

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

using cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::atomic_word = std::atomic<uint32_t>

Definition at line 93 of file barrier.hpp.

ticket_t

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

using cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::ticket_t = std::conditional_t<only_word_lock_free, atomic_word, atomic_byte>

Definition at line 98 of file barrier.hpp.

Member Data Documentation

only_word_lock_free

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

bool cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::only_word_lock_free

staticconstexpr

Initial value:

                                      =
atomic_word::is_always_lock_free && !atomic_byte::is_always_lock_free

Definition at line 94 of file barrier.hpp.

num_levels

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

size_t cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::num_levels = cache_line_size / sizeof(ticket_t)

staticconstexpr

Definition at line 99 of file barrier.hpp.

tickets

template<typename CompletionFn = EmptyCompletion, class PhaseType = uint32_t>

std::array<ticket_t, num_levels> cyqlone::TreeBarrier< CompletionFn, PhaseType >::State::tickets {}

Definition at line 100 of file barrier.hpp.

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

• src/cyqlone/include/cyqlone/barrier.hpp