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New posts in compiler-optimization

How to get the gcc compiler to not optimize a standard library function call like printf?

Is there any observable difference between printf(str) and fwrite(str, 1, strlen(str), stdout)?

No speedup when summing uint16 vs uint64 arrays with NumPy?

Is there a good test for C++ optimizing compilers?

StringBuilder and '+' operator

Is an attempt to modify a const_cast-ed, but dynamically allocated constant object still undefined behavior? [duplicate]

Does the swift compiler/linker automatically remove unused methods/classes/extensions, etc.?

Optimization of subsequent calls to integer division and modulo (remainder)

Are std::functions inlined by the C++11 compiler?

Are GLSL compilers well optimized

Can C++ compilers optimize away a class?

Delphi optimisation : constant loop

Using (declare (type ...)) but still have 'safe' functions

Can and does the compiler optimize out two atomic loads? [duplicate]

Using deftransform/defknown in SBCL internals to get the compiler to transform user authored functions

Can a vector be moved and modified without an extra allocation?

When is RVO garanteed to apply / does apply with C++20 compilers

How can I get GCC to optimize this bit-shifting instruction into a move?

Wrong GCC 9 (and higher) optimization of memcmp with -fno-inline

How can compiler optimizations affect code logic?