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New posts in avx2
Best way to mask a single bit in AVX2?
Oct 29, 2025
c
x86
simd
avx
avx2
AVX2: U8 absolute difference
Oct 29, 2025
sse
simd
neon
avx
avx2
Is uops.info wrong about vinserti128?
Oct 28, 2025
assembly
x86
cpu-architecture
simd
avx2
How to fix a warning (ignoring attributes) with a `vector` of `__m256`
Oct 28, 2025
c++
c++17
intrinsics
memory-alignment
avx2
SIMD: Bit-pack signed integers
Oct 27, 2025
sse
simd
avx
avx2
avx512
AVX2 repack an array of structs of 5 ints to structs of 7 ints, with the extra elements from other arrays? Shuffle/combine for 8 YMM registers?
Oct 27, 2025
c++
simd
avx2
avx512
Logical shift between YMM registers
Oct 27, 2025
assembly
x86-64
avx
avx2
avx512
How would I define the __m256i data type in Ada?
Oct 21, 2025
simd
ada
intrinsics
avx2
gnat
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
Why is masking needed before using a pshufb shuffle as a lookup table for nibbles?
Oct 22, 2025
c++
simd
sse
avx
avx2
AVX2 integer comparison for smaller equal
Oct 17, 2025
c
integer
compare
avx
avx2
Find Absolute in AVX
Oct 14, 2025
floating-point
ieee-754
avx
avx2
absolute-value
When is it correct to cast to __m256 instead of loading?
Sep 21, 2025
c++
casting
simd
avx2
Why does _mm256_unpacklo "jump" a double-word and where does it says so in the documentation?
Sep 18, 2025
c++
simd
intrinsics
avx2
Bitwise NOT/complement in AVX2 [duplicate]
Sep 19, 2025
c++
bit-manipulation
vectorization
x86-64
avx2
Is there a fast way to convert a string of 8 ASCII decimal digits into a binary number?
Sep 17, 2025
c++
parsing
simd
avx2
atoi
Is vfmadd132pd slow on AMD Zen 3 architecture?
Sep 08, 2025
c#
simd
avx2
amd-processor
dot-product
Auto-vectorize shuffle instruction
Sep 09, 2025
c
sse
avx2
auto-vectorization
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