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New posts in compiler-optimization

why would the optimization ignore the if statement when function has warning [-Wreturn-type]?

Is there a clang analogue of gcc's `__attribute__((hot))`

C# Compiler Optimization

How does clang manage to compile this code with undefined behavior into this machine code?

Microsoft C++ compiler: how to disable auto-vectorization with /O2?

Knowing the size of a C function in the compiled objectfile

Should trigonometric functions be cached?

Why can the Rust compiler not optimize Option::take and an "if let" if you print the value?

Does the llvm-bolt instrumentation mode result in less accurate BOLT profiles?

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?