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New posts in avx
Best way to mask a single bit in AVX2?
Oct 29, 2025
c
x86
simd
avx
avx2
Simple AVX512 dot-product loop only 10.6x faster, expected 16x
Oct 29, 2025
c++
performance
avx
dot-product
avx512
AVX2: U8 absolute difference
Oct 29, 2025
sse
simd
neon
avx
avx2
How can I do efficiently bitwise majority voting on 3, 5, 7, 9 inputs with SSE/SSE2/AVX/...?
Oct 27, 2025
assembly
sse
avx
neon
avx512
avx three operands for sqrt?
Oct 28, 2025
assembly
x86
simd
instructions
avx
Convention for displaying vector registers
Oct 29, 2025
x86
sse
simd
avx
How to further optimize matrix multiplication in llm.c project?
Oct 27, 2025
c
optimization
matrix-multiplication
avx
neon
SIMD: Bit-pack signed integers
Oct 27, 2025
sse
simd
avx
avx2
avx512
Logical shift between YMM registers
Oct 27, 2025
assembly
x86-64
avx
avx2
avx512
Code alignment in one object file is affecting the performance of a function in another object file
Oct 27, 2025
c
assembly
x86
nasm
avx
Rust target-cpu=native gets slower SIMD execution
Oct 25, 2025
rust
simd
intrinsics
avx
Accumulating Doubles Into Bins via intrinsics
Oct 23, 2025
c++
simd
avx
avx2
AVX2: Is there a way to implement _mm256_mul_epi8 function for a constant power of 2?
Oct 23, 2025
c++
simd
intrinsics
avx
avx2
SIMD unpack 12-bit fields to 16-bit
Oct 20, 2025
c
avx
bit-fields
avx2
pixelformat
First use of AVX 256-bit vectors slows down 128-bit vector and AVX scalar ops
Oct 23, 2025
assembly
x86-64
sse
simd
avx
Aligning memory on 16-byte and 32-byte boundaries
Oct 22, 2025
memory
alignment
sse
simd
avx
Why is masking needed before using a pshufb shuffle as a lookup table for nibbles?
Oct 22, 2025
c++
simd
sse
avx
avx2
performance of SSE and AVX when both Memory-band width limited
Oct 22, 2025
performance
caching
sse
avx
What happens when you execute an instruction that your CPU does not support?
Oct 20, 2025
linux
x86-64
avx
Memory argument of VMOVDQU partially out of allocated range
Oct 19, 2025
assembly
x86-64
simd
access-violation
avx
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