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New posts in auto-vectorization
Understanding of vectorization with SSE instructions
Feb 12, 2023
c
assembly
x86
vectorization
auto-vectorization
How to optimise my AVX Code
Feb 14, 2023
c++
vectorization
simd
avx
auto-vectorization
using restrict qualifier with C99 variable length arrays (VLAs)
Jan 11, 2023
c99
simd
variable-length-array
restrict-qualifier
auto-vectorization
Why loops in inline function cannot be properly auto-vectorized?
Dec 08, 2022
c++
inline
simd
clang++
auto-vectorization
Is SSE redundant or discouraged?
Dec 02, 2022
optimization
sse
simd
auto-vectorization
Do compilers usually emit vector (SIMD) instructions when not explicitly told to do so?
Oct 23, 2022
parallel-processing
vectorization
simd
c++17
auto-vectorization
256-bit vectorization via OpenMP SIMD prevents compiler's optimization (say function inlining)?
Apr 22, 2022
c
gcc
openmp
simd
auto-vectorization
Why is vectorization not beneficial in this for loop?
Oct 30, 2022
c++
clang
llvm
vectorization
auto-vectorization
How to write c++ code that the compiler can efficiently compile to SSE or AVX?
Jan 17, 2020
visual-c++
sse
simd
avx
auto-vectorization
Slow vpermpd instruction being generated; why?
Jun 26, 2022
c++
assembly
signal-processing
avx
auto-vectorization
Is it possible to make GCC auto-vectorizer output intrinsics instead of assembly?
Dec 03, 2021
c
gcc
x86
intrinsics
auto-vectorization
gcc auto vectorization control flow in loop
Feb 07, 2022
c
gcc
avx2
auto-vectorization
Why does unaligned access to mmap'ed memory sometimes segfault on AMD64?
Jun 25, 2020
c
gcc
x86-64
mmap
auto-vectorization
Unroll loop and do independent sum with vectorization
Dec 11, 2019
c
gcc
x86
loop-unrolling
auto-vectorization
GCC auto-vectorization has no effect on runtime, even when supposedly "profitable"
Aug 31, 2022
c
gcc
auto-vectorization
How to help gcc vectorize C code
Oct 24, 2022
c
gcc
auto-vectorization
Understanding gcc 4.9.2 auto-vectorization output
Oct 31, 2021
c
gcc
auto-vectorization
-ftree-vectorize option in GNU
Oct 15, 2022
gcc
simd
auto-vectorization
Puzzling GCC behaviour with respect to vectorization and loop size
Sep 15, 2022
c++
c
gcc
vector
auto-vectorization
std::min vs ternary gcc auto vectorization with #pragma GCC optimize ("O3")
Sep 12, 2022
c++
gcc
optimization
compiler-optimization
auto-vectorization
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