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What is the relationship between ssse3, sse4.1, sse4.2, avx, and avx2 in CPU instruction sets? #409

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Stevenkop opened this issue Jul 28, 2023 · 0 comments
Open

What is the relationship between ssse3, sse4.1, sse4.2, avx, and avx2 in CPU instruction sets? #409

Stevenkop opened this issue Jul 28, 2023 · 0 comments

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@Stevenkop
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What is the relationship between ssse3, sse4.1, sse4.2, avx, and avx2? Some CPUs only support the avx2 instruction set, while others support avx2, sse4.1, sse4.2. Do they all support ssse3? Is the relationship such that avx2 includes avx1, which includes sse4.1 and sse4.2, which includes ssse3?
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