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New posts in compiler-optimization

Why is gcc's right-shift code different in C and C++ mode?

Does the C# language compiler perform any actual optimizations on its own?

Potential C++ compiler optimization with/without throw/noexcept function

Should I wrap calls to Debugger.Log() in #if (DEBUG)?

Why is my JVM doing some runtime loop optimization and making my code buggy?

Can compilers (specifically rustc) really simplify triangle-summation to avoid a loop? How?

Why gcc autovectorization does not work on convolution matrix biger than 3x3?

Why doesn't the optimizer eliminate High in a loop?

Why does direct accessing to structure members produces significantly more assembly code compared to indirect accessing in GCC?

Why are gcc and clang not hoisting strlen out of this loop?

Generics and usage of interfaces without boxing of value instances

Why do common C compilers include the source filename in the output?

Loop unrolling behaviour in GCC

Can this C++ code be changed or improved with move semantics?

Why does adding in an immediately invoked lambda make my JavaScript code 2x faster?

How can I load optimized code in GHCI?

Reducing the footprint of debug symbols (executable is bloated to 4 GB)

Compiler Optimization of virtual function calls

Is IL generated by expression trees optimized?

Can compiler optimizations, like ghc -O2, change the order (time or storage) of a program?