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New posts in 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
Why _umul128 works slower than scalar code for mul128x64x2 function?
Mar 06, 2023
c++
x86
simd
avx
micro-optimization
How to optimise my AVX Code
Feb 14, 2023
c++
vectorization
simd
avx
auto-vectorization
Does Hyperthreading have trouble with AVX?
Feb 12, 2023
multithreading
avx
hyperthreading
eigen vectorization with arrays
Feb 11, 2023
sse
eigen
avx
eigen3
Can't use AVX intrinsic ,because my function compiled without support for 'xsave'
Feb 01, 2023
xcode
macos
avx
SSE/AVX: Choose from two __m256 float vectors based on per-element min and max absolute value
Jan 29, 2023
sse
intrinsics
avx
avx512
developing for new instruction sets
Jan 25, 2023
x86
sse
avx
How to perform element-wise left shift with __m128i?
Jan 19, 2023
c
sse
avx
AVX2: BitScanReverse or CountLeadingZeros on 8 bit elements in AVX register
Jan 01, 2023
c++
simd
intrinsics
avx
avx2
Intel C Compiler uses unaligned SIMD moves with aligned memory
Dec 27, 2022
intel
sse
memory-alignment
intrinsics
avx
inlining failed in call to always_inline '__m256d _mm256_broadcast_sd(const double*)'
Dec 26, 2022
c++
gcc
x86
intrinsics
avx
Comparing 2 vectors in AVX/AVX2 (c)
Dec 26, 2022
c
simd
avx
avx2
Writing a vector sum function with SIMD (System.Numerics) and making it faster than a for loop
Dec 25, 2022
c#
arrays
performance
simd
avx
How does _mm256_shuffle_ps work?
Dec 21, 2022
c
x86
simd
intrinsics
avx
__m256i version of _mm_test_all_zeros
Dec 20, 2022
simd
intrinsics
avx
avx2
Union with __m256 and array of two __m128
Dec 18, 2022
c
performance
sse
vectorization
avx
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