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New posts in avx2
AVX(2)/SIMD way to get/set (to 1) a single bit in a 256 bit register
Apr 30, 2026
c++
bit-manipulation
simd
avx
avx2
How do the AVX(2) gather instructions actually compute the fetch address?
Apr 28, 2026
c++
simd
intrinsics
avx
avx2
System claims AVX2 is supported, but broadcasts of integer registers are unimplemented
Apr 25, 2026
x86
avx2
illegal-instruction
Compiling AVX2 program on Mavericks
Apr 24, 2026
c++
c
gcc
avx
avx2
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
load vector from large vector with simd based on mask
Apr 14, 2026
c++11
simd
avx
avx2
Transpose 8x8 64-bits matrix
Apr 09, 2026
optimization
x86
transpose
simd
avx2
What's the difference between the XOR instructions "VPXORD", "VXORPS" and "VXORPD" in Intel's AVX2
Mar 18, 2026
x86
cpu-architecture
avx
avx2
avx512
SIMD transpose when row size is greater than vector width
Mar 15, 2026
matrix
transpose
simd
avx
avx2
What are the differences between Vector256.Create and Avx2.BroadcastScalarToVector functions?
Feb 27, 2026
c#
.net
simd
avx2
Understanding the practical application of Intel's _mm256_shuffle_epi8 definition
Feb 21, 2026
c++
c
simd
intrinsics
avx2
What is the minimum version of OS X for use with AVX/AVX2?
Feb 18, 2026
macos
sse
avx
avx2
Why does gcc -march=znver1 restrict uint64_t vectorization?
Jan 27, 2026
c
gcc
compiler-optimization
avx2
amd-processor
Summing vec4[idx[i]] * scalar[i] with YMM vector registers
Jan 28, 2026
c++
simd
intrinsics
avx2
Efficient AVX2 implementation of a 17x17-bit squaring operation with result truncation
Dec 14, 2025
algorithm
assembly
bit-manipulation
micro-optimization
avx2
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