Rust vs Go: Systems Programming Performance

CPU Tasks     Rust: 100ms   Go: 120ms   Rust +20%
Memory Usage  Rust: 50MB    Go: 85MB    Rust +41%
Binary Trees  Rust: 44ms    Go: 530ms   Rust 12x
HTTP Server   Rust: 1.2M    Go: 1.1M    Tie
Compile Time  Rust: 45s     Go: 3s      Go 15x
Startup       Rust: 2ms     Go: 0.5ms   Go 4x

Metric        | Rust          | Go
--------------|---------------|--------
GC            | None          | Low-pause
Peak Perf    | C-level       | Very Good
Concurrency  | Complex       | Goroutines
Compile      | Slow          | Lightning
Binary Size  | Small         | Medium
Learning     | Steep         | Easy
Safety       | Compile-time  | Runtime

// No GC, predictable perf
fn process_buffer(buffer: &mut [u8]) {
    buffer.iter_mut().for_each(|b| *b += 1);
}  // Inlined, zero overhead

func handleRequest(w http.ResponseWriter, r *http.Request) {
    go processAsync(r)  // 1M+ goroutines no problem
    fmt.Fprint(w, "OK")
}

Max Performance → Rust
Max Concurrency → Go
Max Developer Speed → Go
Zero Runtime → Rust
Cloud Native → Go
Embedded → Rust
OS/Drivers → Rust
CLI Tools → Go

Rust: Ownership + Borrow → No GC → Predictable
Go:  GC (tunable) → Simple → Small pauses

Rust: 50MB peak
Go:   85MB peak