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New posts in avx
Intel VEX prefix, L bit value does not behave according to docs
Jul 12, 2026
assembly
x86
avx
machine-code
illegal-instruction
Fastest way to test if any element in __m256 is non zero [duplicate]
Jul 08, 2026
c++
simd
intrinsics
avx
Running Halide generators from cmake with the most optimal compiler flags and configurations
Jul 04, 2026
c++
cmake
gpu
avx
halide
How to implement floor(double) in AVX? [closed]
Jul 01, 2026
c++
c
avx
floor
AVX2 narrowing conversion, from uint16_t to uint8_t
Jun 30, 2026
simd
avx
avx2
narrowing
How to optimize cell-width measuring with SIMD (find the first column to have a non-zero byte in an 8x8 block of bytes)
Jun 26, 2026
c
x86-64
simd
sse
avx
How to count character occurrences using SIMD
Jun 23, 2026
c
simd
avx
avx2
Mathematical functions for SIMD registers
Jun 20, 2026
gcc
simd
avx
What exactly do the gcc compiler switches (-mavx -mavx2 -mavx512f) do?
Jun 14, 2026
gcc
simd
avx
instruction-set
avx512
How to constexpr initialize intrinsic SSE/AVX register?
Jun 12, 2026
c++
sse
constexpr
intrinsics
avx
Optimizing multiplication of elements 2^x-1
Jun 11, 2026
c
simd
avx
AVX feature detection using SIGILL versus CPU probing
May 26, 2026
c
assembly
avx
When source registers in avx instruction can be reused
May 24, 2026
assembly
cpu-architecture
simd
avx
micro-optimization
Initialize __m256i from 64 high or low bits of four __m128i variables
May 20, 2026
c++
sse
simd
avx
avx2
Intel AVX inconsistent _mm256_load_si256 integer operation in C
May 20, 2026
c
x86
simd
intrinsics
avx
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