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New posts in 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
Penalty for switching from SSE to AVX?
Mar 25, 2023
c++
sse
avx
sse2
Getting wrong results with using AVX instructions and -O3 compiling option
Mar 19, 2023
c
compiler-optimization
avx
Testing whether AVX register contains some equal integer numbers
Mar 11, 2023
c++
x86
simd
avx
avx2
Why is this code using VMULPD to write registers that will be overwritten by VFMADD? Isn't that useless?
Mar 09, 2023
assembly
avx
fma
Vectorization of modulo multiplication
Sep 04, 2025
c++
algorithm
sse
simd
avx
How to run bitwise OR on big vectors of u64 in the most performant manner?
Sep 02, 2025
c++
performance
assembly
cpu
avx
_mm256_fmadd_ps is slower than _mm256_mul_ps + _mm256_add_ps?
Sep 02, 2025
gcc
sse
simd
avx
micro-optimization
Why is (V)SHUFPS not in Intel's constant time instruction list?
Sep 02, 2025
assembly
cryptography
x86-64
cpu-architecture
avx
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