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New posts in avx2
how verify that operating system support avx2 instructions
Oct 23, 2022
c
vectorization
intel
instruction-set
avx2
AVX2 sparse matrix multiplication
Oct 11, 2020
c
sparse-matrix
matrix-multiplication
intrinsics
avx2
_mm256_slli_si256: error "last argument must be an 8-bit intermediate"
Oct 20, 2019
c
gcc
simd
avx
avx2
Why doesn't Intel design its SIMD ISAs in a more compatible or universal way?
May 30, 2022
intel
simd
avx
avx2
avx512
How to store lower or higher values from AVX/AVX2(YMM) register to memory like the SSE movlps/movhps does?
Feb 21, 2017
x86
sse
simd
avx
avx2
How to use this macro to test if memory is aligned?
Nov 04, 2022
c++
c++11
vectorization
simd
avx2
Sparse array compression using SIMD (AVX2)
Jun 01, 2018
c++
optimization
simd
sparse-array
avx2
perf report shows this function "__memset_avx2_unaligned_erms" has overhead. does this mean memory is unaligned?
Oct 17, 2020
c++
profiling
avx
perf
avx2
gcc auto vectorization control flow in loop
Feb 07, 2022
c
gcc
avx2
auto-vectorization
Is using AVX2 can implement a faster processing of LZCNT on a word array?
Oct 05, 2020
x86
simd
avx
micro-optimization
avx2
AVX2, How to Efficiently Load Four Integers to Even Indices of a 256 Bit Register and Copy to Odd Indices?
Oct 07, 2018
x86
sse
simd
avx
avx2
How to convert 32-bit float to 8-bit signed char? (4:1 packing of int32 to int8 __m256i)
Jan 24, 2022
c
x86
simd
intrinsics
avx2
_mm_alignr_epi8 (PALIGNR) equivalent in AVX2
Sep 01, 2020
x86
simd
intrinsics
avx
avx2
Loading 8 chars from memory into an __m256 variable as packed single precision floats
Jun 17, 2021
c++
sse
simd
avx
avx2
Using a variable to index a simd vector with _mm256_extract_epi32() intrinsic
Feb 26, 2022
simd
intrinsics
avx
avx2
Why do processors with only AVX out-perform AVX2 processors for many SIMD algorithms?
Sep 17, 2019
c#
c++
simd
avx
avx2
Does /arch:AVX enable AVX2?
May 08, 2019
c++
visual-c++
visual-studio-2012
vectorization
avx2
Best way to load/store from/to general purpose registers to/from xmm/ymm register
Nov 03, 2022
assembly
x86
simd
sse2
avx2
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