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New posts in compiler-optimization
why glibc memcpy not choose avx512 version?
Oct 23, 2025
c
compiler-optimization
glibc
avx512
Speeding up a bit test operation by using assembly
Oct 23, 2025
c++
performance
assembly
x86-64
compiler-optimization
Is volatile needed with how smart compilers are these days?
Oct 22, 2025
c
compiler-optimization
volatile
Optimizing away memcpy
Oct 21, 2025
c++
compiler-optimization
Performance penalty for using 'unnecessary' local variable in C#?
Oct 19, 2025
c#
performance
compiler-optimization
local-variables
What does 'MutVar#' mean?
Oct 19, 2025
haskell
ghc
compiler-optimization
ghci
Can GCOV create .gcda file in the different directory structure?
Oct 19, 2025
g++
code-coverage
compiler-optimization
gcov
lcov
Cython execution speed vs. MSVC and GCC versions
Oct 19, 2025
python
gcc
visual-c++
cython
compiler-optimization
Why is a simple FP loop not auto-vectorized, and slower than a SIMD intrinsics calculation?
Oct 17, 2025
c++
optimization
x86-64
compiler-optimization
simd
Do C++ compilers remove const variables used only to make code clearer
Oct 18, 2025
c++
function
memory-management
constants
compiler-optimization
Why is my CUDA warp shuffle sum using the wrong offset for one shuffle step?
Oct 17, 2025
cuda
compiler-optimization
gpu-warp
parameter to the java compiler of Eclipse
Oct 17, 2025
java
eclipse
ide
compiler-optimization
Why is [static 1] not used everywhere in C?
Oct 16, 2025
c
gcc
compiler-optimization
Why can GCC only do loop interchange optimization when the int size is a compile-time constant?
Oct 16, 2025
c
gcc
optimization
x86
compiler-optimization
const char compiler optimization
Oct 17, 2025
c
compiler-optimization
string-interning
How to prevent GCC from inserting memset during link-time optimization?
Oct 17, 2025
gcc
linker
compiler-optimization
lto
freestanding
Why does gcc 12.2 not optimise divisions into shifts in this constexpr function called from main()
Oct 15, 2025
c++
g++
compiler-optimization
integer-division
constexpr-function
Why won't compilers inline constant captures in my lambda?
Oct 02, 2025
c++
lambda
compiler-optimization
inlining
How to prevent compiler from optimizing a load to variable that is never used
Sep 22, 2025
c++
visual-c++
compiler-optimization
dead-code
seh
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