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New posts in compiler-optimization

LTO, Devirtualization, and Virtual Tables

c++ c compiler-optimization

GCC -Wuninitialized / -Wmaybe-uninitialized issues

c++ c gcc compiler-optimization gcc-warning

Is GCC's option -O2 breaking this small program or do I have undefined behavior [duplicate]

c gcc compiler-optimization inline-functions

Preventing compiler optimizations while benchmarking

c++ gcc clang performance-testing compiler-optimization

Configuration for optimizing QtCreator compiler

c++ qt g++ qt-creator compiler-optimization

Copying a bool from a parameter to a global - comparing compilers output

c++ assembly x86 compiler-optimization micro-optimization

Why doesn't GCC optimize this call to printf?

c gcc assembly printf compiler-optimization

What are these seemingly-useless callq instructions in my x86 object files for?

c++ assembly x86 compiler-optimization

GCC's reordering of read/write instructions

memory gcc linux-kernel cpu compiler-optimization

What does clang's `-Ofast` option do in practical terms especially for any differences from gcc?

c++ floating-point clang x86-64 compiler-optimization intel

Why is `std::copy` 5x (!) slower than `memcpy` for reading one int from a char buffer, in my test program?

c++ performance x86-64 benchmarking compiler-optimization

Compiler optimization: g++ slower than intel

c++ performance g++ intel compiler-optimization

Why is the empty base class optimization (EBO) is not working in MSVC?

c++ visual-c++ compiler-optimization empty-class

How can modern compiler optimization convert recursion into returning a constant?

c++ recursion gcc g++ compiler-optimization

Why is this behavior allowed in the Java Memory Model?

java concurrency compiler-optimization java-memory-model causality

C: Accessing lookup tables faster?

c linux optimization compiler-optimization

Empty Data Member Optimization: would it be possible?

c++ compiler-optimization

Crash in C++ code due to undefined behaviour or compiler bug?

c++ visual-studio-2010 visual-c++ crash compiler-optimization

Why does enabling undefined behaviour sanitization interfere with optimizations?

c++ gcc compiler-optimization constexpr ubsan

"volatile" qualifier and compiler reorderings

c++ c volatile compiler-optimization
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