diff options
| -rw-r--r-- | src/common/ring_buffer.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/common/ring_buffer.h b/src/common/ring_buffer.h index 218896660..8d193ce03 100644 --- a/src/common/ring_buffer.h +++ b/src/common/ring_buffer.h @@ -31,6 +31,8 @@ class RingBuffer { // Ensure lock-free. static_assert(std::atomic_size_t::is_always_lock_free); + static constexpr size_t CACHE_LINE_SIZE = 64; + public: /// Pushes slots into the ring buffer /// @param new_slots Pointer to the slots to push @@ -105,11 +107,11 @@ private: // TODO: Remove this ifdef whenever clang and GCC support // std::hardware_destructive_interference_size. #ifdef __cpp_lib_hardware_interference_size - alignas(std::hardware_destructive_interference_size) std::atomic_size_t m_read_index{0}; - alignas(std::hardware_destructive_interference_size) std::atomic_size_t m_write_index{0}; + alignas(CACHE_LINE_SIZE) std::atomic_size_t m_read_index{0}; + alignas(CACHE_LINE_SIZE) std::atomic_size_t m_write_index{0}; #else - alignas(128) std::atomic_size_t m_read_index{0}; - alignas(128) std::atomic_size_t m_write_index{0}; + alignas(CACHE_LINE_SIZE) std::atomic_size_t m_read_index{0}; + alignas(CACHE_LINE_SIZE) std::atomic_size_t m_write_index{0}; #endif std::array<T, capacity> m_data; |