Performance
How C++ runs, and what that means in practice.
Execution model
Compiled ahead of time to native code with aggressive optimisation (GCC, Clang, MSVC).
Memory
No garbage collector. Deterministic destruction through RAII; you control allocation layout.
Concurrency
std::thread, std::jthread, atomics, mutexes, C++20 coroutines; parallel algorithms via execution policies.
In practice
Usually at or near the top of CPU-bound benchmarks. The cost is development time and memory-safety risk.
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