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New posts in avx2
Any chance to accelerate recurrent code with SIMD?
Jun 04, 2026
c++
performance
vectorization
simd
avx2
Initialize __m256i from 64 high or low bits of four __m128i variables
May 20, 2026
c++
sse
simd
avx
avx2
What is the difference between AVX2 and AVX-512?
May 13, 2026
opencl
simd
avx
avx2
avx512
Is using C++20's std::popcount with vector optimization is equivalent to popcnt intristic?
May 09, 2026
c++
language-lawyer
c++20
intrinsics
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
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