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New posts in 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
How to convert int 64 to int 32 with avx (but without avx-512)
Oct 19, 2025
simd
sse
avx
AVX2 integer comparison for smaller equal
Oct 17, 2025
c
integer
compare
avx
avx2
Macro for generating immediates for AVX shuffle intrinsics
Oct 17, 2025
c
macros
intel
intrinsics
avx
optimising column-wise maximum with SIMD
Oct 17, 2025
c++
sse
simd
intrinsics
avx
Find Absolute in AVX
Oct 14, 2025
floating-point
ieee-754
avx
avx2
absolute-value
Force compiler to use memory operand from Intrinsics
Sep 22, 2025
c
memory
intrinsics
avx
operands
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