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New posts in simd
SSE: How to reduce a _m128i._i32[4] to _m128i._i8
Apr 30, 2026
c++
x86
sse
simd
How do the AVX(2) gather instructions actually compute the fetch address?
Apr 28, 2026
c++
simd
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SSE optimisation for a loop that finds zeros in an array and toggles a flag + updates another array
Apr 28, 2026
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aarch64 xtn2 clearing lower half
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assembly
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Neon casting issue
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Square root of a OpenCV's grey image using SSE
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How do I take the average of a large floating point array precisely?
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floating-point
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How can I generate SVE vectors with LLVM
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Why can't Clang get __m128's data by index in constexpr function
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Comparison and Extraction using SSE
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c++
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How to pack +-1 signs of 8 packed 32-bit integers (in an __m256i) into bytes of a 64-bit integer?
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c++
performance
simd
intrinsics
avx2
How to decompress bit pairs from uint64_t to __m256i?
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c++
performance
vectorization
simd
avx
load vector from large vector with simd based on mask
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c++11
simd
avx
avx2
How do I load all 1's into a mmx register? Why doesn't this work?
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x86
x86-64
inline-assembly
simd
Intel intrinsics : multiply interleaved 8bit values
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c
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sse
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