1 use criterion::{criterion_group, BatchSize, Criterion};
2
some_benchmark(c: &mut Criterion)3 fn some_benchmark(c: &mut Criterion) {
4 let mut group = c.benchmark_group("overhead");
5 group.bench_function("iter", |b| b.iter(|| 1));
6 group.bench_function("iter_with_setup", |b| b.iter_with_setup(|| (), |_| 1));
7 group.bench_function("iter_with_large_setup", |b| {
8 b.iter_with_large_setup(|| (), |_| 1)
9 });
10 group.bench_function("iter_with_large_drop", |b| b.iter_with_large_drop(|| 1));
11 group.bench_function("iter_batched_small_input", |b| {
12 b.iter_batched(|| (), |_| 1, BatchSize::SmallInput)
13 });
14 group.bench_function("iter_batched_large_input", |b| {
15 b.iter_batched(|| (), |_| 1, BatchSize::LargeInput)
16 });
17 group.bench_function("iter_batched_per_iteration", |b| {
18 b.iter_batched(|| (), |_| 1, BatchSize::PerIteration)
19 });
20 group.bench_function("iter_batched_ref_small_input", |b| {
21 b.iter_batched_ref(|| (), |_| 1, BatchSize::SmallInput)
22 });
23 group.bench_function("iter_batched_ref_large_input", |b| {
24 b.iter_batched_ref(|| (), |_| 1, BatchSize::LargeInput)
25 });
26 group.bench_function("iter_batched_ref_per_iteration", |b| {
27 b.iter_batched_ref(|| (), |_| 1, BatchSize::PerIteration)
28 });
29 group.finish();
30 }
31
32 criterion_group!(benches, some_benchmark);
33