use commonware_utils::{cache::Clock, TestRng};
use criterion::{criterion_group, Criterion};
use rand::RngExt as _;
use std::{hint::black_box, num::NonZeroUsize};
fn bench_get(c: &mut Criterion) {
for capacity in [1usize << 10, 1 << 14, 1 << 18] {
let mut cache: Clock<u64, u64> = Clock::new(NonZeroUsize::new(capacity).unwrap());
for i in 0..capacity as u64 {
cache.put(i, i);
}
let mut rng = TestRng::new(capacity as u64);
let keys: Vec<u64> = (0..1024)
.map(|_| rng.random_range(0..capacity as u64))
.collect();
c.bench_function(&format!("{}/capacity={capacity}", module_path!()), |b| {
b.iter(|| {
for k in &keys {
black_box(cache.get(black_box(k)));
}
});
});
}
}
criterion_group! {
name = benches;
config = Criterion::default().sample_size(10);
targets = bench_get,
}