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|
use std::hint::black_box;
use std::path::PathBuf;
use criterion::{criterion_group, criterion_main, Criterion};
use ecs::{Component, World};
fn fibonacci(n: u64) -> u64
{
match n {
0 => 1,
1 => 1,
n => fibonacci(n - 1) + fibonacci(n - 2),
}
}
#[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 criterion_benchmark(criterion: &mut Criterion)
{
let mut world = World::new();
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(),
},
));
}
let query = world.query::<(Bar, Position, Foo), ()>();
criterion.bench_function("fib 20", |bencher| {
bencher.iter(|| {
for comps in query.iter() {
black_box(comps);
}
})
});
}
criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);
|
