Recent questions tagged sse

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I would like to horizontally sum the components of a __m256 vector using AVX instructions. In SSE I could use ... sum of a __m256 vector? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sse - What is the meaning of "non temporal" memory accesses in x86

This is a somewhat low-level question. In x86 assembly there are two SSE instructions: MOVDQA xmmi, m128 and ... My question is, what does Non-Temporal mean? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sse - location of simd docs (gcc => 8 / x86_64 SSE2 ; AVX/2)

i'm interested in using simd extension for my c app. I have already looked at gcc's specific atribute vector_size( ... file but i've searched everywhere online and found nothing......

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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