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New posts in 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
AVX-512 Instruction Encoding - {er} Meaning
Sep 18, 2025
assembly
x86
avx
avx512
Improving a recursive hadamard transformation
Sep 09, 2025
c
simd
avx
No insert and extract for float/double in SSE and AVX?
Sep 09, 2025
c++
floating-point
sse
simd
avx
Why won't simple code get auto-vectorized with SSE and AVX in modern compilers?
Sep 05, 2025
c
optimization
sse
avx
auto-vectorization
Why gcc is so much worse at std::vector<float> vectorization of a conditional multiply than clang?
Sep 05, 2025
c++
gcc
vectorization
compiler-optimization
avx
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