std::experi...ry_alignment(3)

💖 std::experimental::memory_alignment (3)

hii bestie!! welcome to the std::experimental::memory_alignment page from the C++ Standard Library manual, section 3 — yes, the manual name is literally in the building, and we're about to make alignment feel less mysterious ✨

🌸 NAME

std::experimental::memory_alignment - std::experimental::memory_alignment

like... the name is the name twice, and honestly? iconic 💅

✨ Synopsis

Defined in header <experimental/simd>
template< class T, class U = typename T::value_type >  (parallelism
       TS v2)
struct memory_alignment;

okay so here's the tea: if is_simd_mask_v<T> is true and U is bool, or if is_simd_v<T> is true and U is a vectorizable type, then this provides the member constant value equal to the minimum alignment of a pointer passed to a load constructor, copy_from function, or copy_to function. For any other types T and U, there is no member value. no cap.

⚠️ important vibe check: if the program adds specializations for std::memory_alignment or std::memory_alignment_v (since C++17), the behavior is undefined. like, don't do that, bestie 😭

🧮 Member constants

• value — the minimum alignment of a pointer passed to a load constructor, copy_from [static] function, or copy_to function (public static member constant).

🎀 Member functions

• operator std::size_t — converts the object to std::size_t, returns value (public member function).
• operator() — returns value (C++14) (public member function).

🧸 Member types

Type → Definition mapping, bestie:

• value_type — std::size_t
• type — std::integral_constant< std::size_t, value>

😭 Example

This section is incomplete Reason: no example

👀 See also

• vector_aligned_tag — flag indicating alignment of the load/store address to vector.
• vector_aligned — alignment (parallelism TS v2) (class).
• constructor — constructs a simd object (parallelism TS v2) (public member function of std::experimental::simd<T,Abi>).
• copy_from — loads simd elements from contiguous memory (parallelism TS v2) (public member function of std::experimental::simd<T,Abi>).
• copy_to — stores simd elements to contiguous memory (parallelism TS v2) (public member function of std::experimental::simd<T,Abi>).
• constructor — constructs a simd_mask object (parallelism TS v2) (public member function of std::experimental::simd_mask<T,Abi>).
• copy_from — loads simd_mask elements from contiguous memory (parallelism TS v2) (public member function of std::experimental::simd_mask<T,Abi>).
• copy_to — stores simd_mask elements to contiguous memory (parallelism TS v2) (public member function of std::experimental::simd_mask<T,Abi>).

🗂️ Category

• Todo no example

okay that's the whole tea 🫶 source: http://cppreference.com, version/date: 2024.06.10, and the manual tag is std::experi...ry_alignment(3) — bye bestie, mwah 💖