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New posts in compiler-optimization

why glibc memcpy not choose avx512 version?

Speeding up a bit test operation by using assembly

Is volatile needed with how smart compilers are these days?

Optimizing away memcpy

c++ compiler-optimization

Performance penalty for using 'unnecessary' local variable in C#?

What does 'MutVar#' mean?

Can GCOV create .gcda file in the different directory structure?

Cython execution speed vs. MSVC and GCC versions

Why is a simple FP loop not auto-vectorized, and slower than a SIMD intrinsics calculation?

Do C++ compilers remove const variables used only to make code clearer

Why is my CUDA warp shuffle sum using the wrong offset for one shuffle step?

parameter to the java compiler of Eclipse

Why is [static 1] not used everywhere in C?

c gcc compiler-optimization

Why can GCC only do loop interchange optimization when the int size is a compile-time constant?

const char compiler optimization

How to prevent GCC from inserting memset during link-time optimization?

Why does gcc 12.2 not optimise divisions into shifts in this constexpr function called from main()

Why won't compilers inline constant captures in my lambda?

How to prevent compiler from optimizing a load to variable that is never used