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