ErmIg

ErmIg has asked 0 questions and find answers to 26 problems.

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Optimisation, performance, algorithms, C, C++, C#, SIMD, SSE, AVX, NEON, AltiVec, image processing, computer vision.

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Fast implementation of covariance of two 8-bit arrays
Automatic vectorization with g++ of a loop with bit operations
How to add an AVX2 vector horizontally 3 by 3?
set individual bit in AVX register (__m256i), need "random access" operator
Dot Product of Vectors with SIMD
Horizontal XOR in AVX
Why _mm256_load_pd compiled to MOVUPD instead of MOVAPD?
Unpacking 8 to 16-bit using SIMD: AVX2 version mixes up the order
Why is this SIMD multiplication not faster than non-SIMD multiplication?
How to store a vector to an unaligned location in memory with Altivec