Rust vs C++: Slide Deck Dissects the Real Cost of Memory Safety

A talk delivered at C++Russia 2026 examines where Rust’s safety guarantees actually cost performance compared to C++, and where the language quietly pulls ahead. The accompanying slide deck, published in English and Russian on GitHub, walks through Rust’s performance strengths and weak spots, backs each claim with benchmarks, and offers concrete countermeasures and best practices for writing idiomatic code that stays fast.

The repository bundles more than the slides themselves. It collects the source posts and papers the author drew on, a list of benchmark projects used for comparisons, and an outdated speaker script. The framing treats Rust as a direct competitor to C++ in systems programming and asks the practical question Rust adopters keep running into: how much overhead does borrow checking, bounds checking, and the standard library’s safety-first defaults actually impose on real workloads, and what can engineers do to claw it back?