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|
use std::hint::black_box;
use std::path::PathBuf;
use criterion::{criterion_group, criterion_main, Criterion};
use ecs::{Component, World};
#[derive(Component)]
struct Foo
{
_text: String,
}
#[derive(Component)]
struct Bar
{
_path: PathBuf,
_num: u64,
}
#[derive(Component)]
struct Position
{
_x: f32,
_y: f32,
_z: f32,
}
#[derive(Component)]
struct PosA
{
_x: f32,
_y: f32,
_z: f32,
}
#[derive(Component)]
struct PosB
{
_x: f32,
_y: f32,
_z: f32,
}
#[derive(Component)]
struct PosC
{
_x: f32,
_y: f32,
_z: f32,
}
#[derive(Component)]
struct MoreText
{
_more_text: String,
}
#[derive(Component)]
struct EvenMoreText
{
_even_more_text: String,
}
fn spawn_1000_entities(world: &mut World)
{
for _ in 0..300 {
world.create_entity((
Bar {
_path: "/dev/zero".into(),
_num: 65789,
},
Position { _x: 13.98, _y: 27.0, _z: 0.2 },
Foo { _text: "Hello there".to_string() },
PosA {
_x: 1183.98,
_y: 272628.0,
_z: 3306.2,
},
PosB {
_x: 171183.98,
_y: 28.0,
_z: 336.2901,
},
PosC { _x: 8273.98, _y: 28.0, _z: 336.2901 },
MoreText {
_more_text: "Lorem ipsum".to_string(),
},
EvenMoreText {
_even_more_text: "Wow so much text".to_string(),
},
));
}
for _ in 0..700 {
world.create_entity((
Bar {
_path: "/dev/null".into(),
_num: 65789,
},
Position { _x: 88.11, _y: 9.0, _z: 36.11 },
Foo { _text: "Hey".to_string() },
PosA {
_x: 118310.98,
_y: 272628.0,
_z: 3306.2,
},
PosB { _x: 11323.98, _y: 28.0, _z: 336.2901 },
PosC {
_x: 8273.98,
_y: 21818.0,
_z: 336.2901,
},
MoreText {
_more_text: "Lorem ipsum".to_string(),
},
EvenMoreText {
_even_more_text: "Wow much text".to_string(),
},
));
}
}
fn benchbark(criterion: &mut Criterion)
{
criterion.bench_function("Iterate 1000 entities", |bencher| {
let mut world = World::new();
spawn_1000_entities(&mut world);
let query = world.query::<(Bar, Position, Foo), ()>();
bencher.iter(|| {
for comps in query.iter() {
black_box(comps);
}
})
});
}
criterion_group!(benches, benchbark);
criterion_main!(benches);
|
