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Add AVX implementation of graphene_simd4f_madd() #269

Merged
merged 2 commits into from
Aug 15, 2024
Merged

Add AVX implementation of graphene_simd4f_madd() #269

merged 2 commits into from
Aug 15, 2024

Commits on Aug 12, 2024

  1. Add AVX detection 

    All supported compilers define `__AVX__` when building with the AVX
instruction set enabled.
    @ebassi
    ebassi committed Aug 12, 2024
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  2. Use madd() intrinsic if available 

    AVX introduced the _mm_fmadd_ps() intrinsic, so we can use it if AVX (or
an equivalent instruction set) is available when building Graphene.

There is no functional difference in this commit if AVX is not
available, except that we moved from a generic static inline
implementation to a SIMD-specific one.
    @ebassi
    ebassi committed Aug 12, 2024
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