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Fallback implementation for conflict detection in AVX2...


c++x86intrinsicsavx2avx512

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AVX2 / gcc: Improve CPU-level parallelism by using different registers...


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How to vectorise multiplication of an int8 array by an int16 constant, widening to int32 result arra...


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How to implement lane crossing logical bit-wise shift/rotate (left and right) in AVX2...


c++cbit-shiftavx2

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Emulating byte-shifts on 32 bytes with AVX (lane-crossing)...


c++simdintrinsicssse2avx2

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AVX 32-bit integer to double precision float best practice...


avxavx2

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I need more performance for int8 vector multiplication (Intel AVX-512)...


performancesimdavxavx2avx512

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Differences between AVX and AVX2...


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How to reorder interleaved 8-bit values across AVX2 lanes efficiently?...


c++avx2

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C++ to C# memory alignment issue...


c#c++memory-managementsimdavx2

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AVX2 integer shuffle with types other than byte?...


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How to understand this AVX addition of two _m256i variables?...


c++vectoravxavx2avx512

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Shifting SSE/AVX registers 32 bits left and right while shifting in zeros...


x86ssesimdavxavx2

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AVX2 what is the most efficient way to pack left based on a mask?...


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extract non-zero elements from __m512i/__m256i vector...


simdintrinsicsavx2avx512

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Why does msvc not vectorize?...


visual-c++x86-64vectorizationavx2auto-vectorization

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AVX2 code to find the first longest match of 4-byte string among 8 4-byte targets...


bit-manipulationsimdavxavx2lz77

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How to perform parallel addition using AVX with carry (overflow) fed back into the same element (PE ...


csimdavxavx2avx512

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Why does '_mm256_fmadd_ps' cause precision loss?...


cprecisionavxavx2fma

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6-bit lookup using SIMD AVX2...


c++rustsimdavx2

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AVX2 MaskLoad/MaskStore of ushorts?...


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AVX2 computing of byte array...


c#simdintrinsicsavx2

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Unpacking nibbles to bytes - Direct instructions/ Efficient Way to implement and keep sign...


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Comparing Unsigned integers using AVX2 Intrinsics...


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Intel vs AMD gather AVX performance...


performancex86cpu-architectureavx2amd-processor

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Using a variable to index a simd vector with _mm256_extract_epi32() intrinsic...


simdintrinsicsavxavx2

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Can std::sort, std::accumulate, std::memcpy be vectorized because of -mavx / -mavx2 flag?...


c++x86vectorizationavxavx2

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Is there any data on the latency of an AVX2 gather instruction?...


performancex86latencymicro-optimizationavx2

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High Variance In Manual Vectorization Performance...


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AVX2 vectorization for code similar to prefix sum (decrement by count of preceding matches in short ...


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