Rust vs C: Assembly Comparison — Ownership & Bounds Checking

Compares Rust and C at the assembly level, focusing on ownership/memory management, immutability, and bounds checks. Real-world debug and analysis on disassembled output.

August 4, 2025
Harrison Guo
Video by: HarrisonSecurityLab
Published on YouTube: 2025-08-04
Rust C Assembly Memory Safety Bounds Checking Ownership Compiler

Two languages, same hardware, different machine code. This video disassembles a small benchmark in both Rust and C and walks through what the compiler actually emits for ownership transfers, array indexing with bounds checks, and immutability.

If you’ve heard “Rust is zero-cost” without seeing the assembly, this is where the claim either holds up or doesn’t.

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