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New posts in avx
Get sum of values stored in __m256d with SSE/AVX
Feb 09, 2022
c++
optimization
sse
avx
avx2
Why is GCC's AVX slower while LLVM's faster?
Mar 28, 2022
gcc
assembly
llvm
julia
avx
What's the fastest way to perform an arbitrary 128/256/512 bit permutation using SIMD instructions?
Mar 07, 2021
c++
assembly
sse
avx
avx2
8 bit shift operation in AVX2 with shifting in zeros
Jan 20, 2018
c
sse
simd
avx
avx2
Disabling AVX2 in CPU for testing purposes
Sep 16, 2022
testing
x86
avx
instruction-set
avx2
Does the Linux kernel have its own SSE/AVX context?
Oct 30, 2021
linux-kernel
sse
kernel-module
avx
Fastest way to expand bits in a field to all (overlapping + adjacent) set bits in a mask?
Nov 19, 2022
c
assembly
x86
sse
avx
What's the difference between vextracti128 and vextractf128?
Aug 24, 2022
x86
simd
avx
avx2
Horizontal minimum and maximum using SSE
May 20, 2019
c++
max
sse
minimum
avx
Using SIMD on amd64, when is it better to use more instructions vs. loading from memory?
Oct 16, 2022
x86-64
sse
simd
avx
microbenchmark
Half-precision floating-point arithmetic on Intel chips
Jan 20, 2020
x86
intel
avx
floating-point-conversion
half-precision-float
Unexpectedly good performance with openmp parallel for loop
Jan 08, 2020
multithreading
gcc
parallel-processing
openmp
avx
Aligned and unaligned memory access with AVX/AVX2 intrinsics
Dec 14, 2018
gcc
avx
avx2
Efficiently find least significant set bit in a large array?
Nov 06, 2022
c
assembly
bit-manipulation
x86-64
avx
Difference between the AVX instructions vxorpd and vpxor
Dec 19, 2020
vectorization
intel
xor
simd
avx
Which versions of Windows support/require which CPU multimedia extensions? (How to check if SSE or AVX are fully usable?)
Nov 08, 2022
windows
assembly
sse
avx
avx512
Are older SIMD-versions available when using newer ones?
Dec 20, 2017
c++
c
sse
simd
avx
How to get data out of AVX registers?
Mar 08, 2018
c++
visual-c++
avx
fma
How to clear the upper 128 bits of __m256 value?
May 07, 2022
c
x86
simd
avx
avx2
Generate code for multiple SIMD architectures
Apr 04, 2022
gcc
simd
avx
sse4
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