# std::experimental::simd_abi::compatible

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< cpp‎ | experimental‎ | simd

Defined in header `<experimental/simd>` |  |
template< class T > using compatible = /*implementation-defined*/; |  | (parallelism TS v2)

compatible<T> is an implementation-defined alias for an ABI tag.

### Notes

The intent is to use the ABI tag producing the most efficient data-parallel execution for the element type T that ensures ABI compatibility between translation units on the target architecture.

### See also

scalar (parallelism TS v2) | tag type for storing a single element (typedef)
fixed_size (parallelism TS v2) | tag type for storing specified number of elements (alias template)
native (parallelism TS v2) | tag type that is most efficient (alias template)
deduce deduce_t (parallelism TS v2) | obtains an ABI type for given element type and number of elements (class template)

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