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#[cfg(not(target_os = "windows"))]
mod prof;
use std::collections::{BTreeMap, HashMap};
use criterion::{criterion_group, criterion_main, Criterion};
use rand::rngs::StdRng;
use rand::SeedableRng;
use segment::data_types::tiny_map::TinyMap;
use segment::fixtures::index_fixtures::random_vector;
const DIM: usize = 100;
fn small_map_obj(c: &mut Criterion) {
let mut group = c.benchmark_group("small-map-obj-group");
let mut rng = StdRng::seed_from_u64(42);
let default_key = "vector".to_string();
let default_key_2 = "vector1".to_string();
let default_key_3 = "vector2".to_string();
let random_vector = random_vector(&mut rng, DIM);
group.bench_function("hash-map", |b| {
b.iter(|| {
let mut map = HashMap::new();
map.insert(default_key.clone(), random_vector.clone());
map.insert(default_key_2.clone(), random_vector.clone());
map.insert(default_key_3.clone(), random_vector.clone());
let _ = map.get(&default_key_3);
});
});
group.bench_function("btree-map", |b| {
b.iter(|| {
let mut map = BTreeMap::new();
map.insert(default_key.clone(), random_vector.clone());
map.insert(default_key_2.clone(), random_vector.clone());
map.insert(default_key_3.clone(), random_vector.clone());
let _ = map.get(&default_key_3);
});
});
#[allow(clippy::vec_init_then_push)]
group.bench_function("vec-map", |b| {
b.iter(|| {
let mut map = Vec::with_capacity(3);
map.push((default_key.clone(), random_vector.clone()));
map.push((default_key_2.clone(), random_vector.clone()));
map.push((default_key_3.clone(), random_vector.clone()));
let _ = map.iter().find(|(k, _)| k == &default_key_3);
});
});
group.bench_function("tiny-map", |b| {
b.iter(|| {
let mut map = TinyMap::new();
map.insert(default_key.clone(), random_vector.clone());
map.insert(default_key_2.clone(), random_vector.clone());
map.insert(default_key_3.clone(), random_vector.clone());
let _ = map.get(&default_key_3);
});
});
}
criterion_group! {
name = benches;
config = Criterion::default();
targets = small_map_obj
}
criterion_main!(benches);
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