95 lines
2.2 KiB
Rust
95 lines
2.2 KiB
Rust
// Copyright 2019 Google LLC
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// modified by Bevy contributors
|
|
|
|
use bencher::{benchmark_group, benchmark_main, Bencher};
|
|
use bevy_ecs::*;
|
|
|
|
struct Position(f32);
|
|
struct Velocity(f32);
|
|
|
|
fn spawn_tuple(b: &mut Bencher) {
|
|
let mut world = World::new();
|
|
b.iter(|| {
|
|
world.spawn((Position(0.0), Velocity(0.0)));
|
|
});
|
|
}
|
|
|
|
fn spawn_static(b: &mut Bencher) {
|
|
#[derive(Bundle)]
|
|
struct Bundle {
|
|
pos: Position,
|
|
vel: Velocity,
|
|
};
|
|
|
|
let mut world = World::new();
|
|
b.iter(|| {
|
|
world.spawn(Bundle {
|
|
pos: Position(0.0),
|
|
vel: Velocity(0.0),
|
|
});
|
|
});
|
|
}
|
|
|
|
fn spawn_batch(b: &mut Bencher) {
|
|
#[derive(Bundle)]
|
|
struct Bundle {
|
|
pos: Position,
|
|
vel: Velocity,
|
|
};
|
|
|
|
let mut world = World::new();
|
|
b.iter(|| {
|
|
world
|
|
.spawn_batch((0..1_000).map(|_| Bundle {
|
|
pos: Position(0.0),
|
|
vel: Velocity(0.0),
|
|
}))
|
|
.for_each(|_| {});
|
|
world.clear();
|
|
});
|
|
}
|
|
|
|
fn iterate_100k(b: &mut Bencher) {
|
|
let mut world = World::new();
|
|
for i in 0..100_000 {
|
|
world.spawn((Position(-(i as f32)), Velocity(i as f32)));
|
|
}
|
|
b.iter(|| {
|
|
for (mut pos, vel) in &mut world.query_mut::<(&mut Position, &Velocity)>() {
|
|
pos.0 += vel.0;
|
|
}
|
|
})
|
|
}
|
|
|
|
fn build(b: &mut Bencher) {
|
|
let mut world = World::new();
|
|
let mut builder = EntityBuilder::new();
|
|
b.iter(|| {
|
|
builder.add(Position(0.0)).add(Velocity(0.0));
|
|
world.spawn(builder.build());
|
|
});
|
|
}
|
|
|
|
benchmark_group!(
|
|
benches,
|
|
spawn_tuple,
|
|
spawn_static,
|
|
spawn_batch,
|
|
iterate_100k,
|
|
build
|
|
);
|
|
benchmark_main!(benches);
|