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- use criterion::{black_box, criterion_group, criterion_main, Criterion};
- fn fibonacci(n: u64) -> u64 {
- match n {
- 0 => 1,
- 1 => 1,
- n => fibonacci(n - 1) + fibonacci(n - 2),
- }
- }
- fn criterion_benchmark(c: &mut Criterion) {
- c.bench_function("fib 20", |b| b.iter(|| fibonacci(black_box(20))));
- }
- criterion_group!(benches, criterion_benchmark);
- criterion_main!(benches);
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