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New posts in simd
How to pack +-1 signs of 8 packed 32-bit integers (in an __m256i) into bytes of a 64-bit integer?
Apr 18, 2026
c++
performance
simd
intrinsics
avx2
How to decompress bit pairs from uint64_t to __m256i?
Apr 17, 2026
c++
performance
vectorization
simd
avx
load vector from large vector with simd based on mask
Apr 14, 2026
c++11
simd
avx
avx2
How do I load all 1's into a mmx register? Why doesn't this work?
Apr 12, 2026
x86
x86-64
inline-assembly
simd
Intel intrinsics : multiply interleaved 8bit values
Apr 12, 2026
c
intel
sse
simd
intrinsics
Transpose 8x8 64-bits matrix
Apr 09, 2026
optimization
x86
transpose
simd
avx2
Are there Neon equivalents to Sse2 _mm_unpackhi/lo_epi32/64 and _mm_shuffle_epi8/32?
Apr 02, 2026
c++
arm
sse
simd
neon
Convert __m128i value into std::tuple
Apr 02, 2026
c++
c++11
sse
simd
AVX 3.6x slower than IA32 in simple benchmark involving <cmath> operations - why so? (VS2013)
Mar 31, 2026
c++
visual-studio
sse
simd
avx
Bus error on neon implementation of summary SAD (Sum of Absolute Difference)
Mar 30, 2026
arm
simd
neon
What is the availability of 'vector long long'?
Mar 29, 2026
64-bit
simd
intrinsics
powerpc
altivec
Why is 4x4 Matrix Multiplication in Eigen More Than Twice as Fast as 3x3?
Mar 27, 2026
c++
assembly
eigen
matrix-multiplication
simd
How to implement vectorize "exp" and "log" base-2 functions using AVX-512
Mar 27, 2026
assembly
simd
logarithm
avx512
exp
Does SIMD require a multi-core CPU?
Mar 28, 2026
cpu
cpu-architecture
simd
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