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run_criteria.rs
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run_criteria.rs
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use bevy_ecs::{
component::Component,
prelude::{ParallelSystemDescriptorCoercion, Res, Resource, RunCriteriaDescriptorCoercion},
schedule::{RunCriteriaLabel, ShouldRun, Stage, SystemStage},
system::Query,
world::World,
};
use criterion::Criterion;
fn run_stage(stage: &mut SystemStage, world: &mut World) {
stage.run(world);
}
/// Labels for run criteria which either always return yes, or always return no.
#[derive(RunCriteriaLabel)]
enum Always {
Yes,
No,
}
pub fn run_criteria_yes(criterion: &mut Criterion) {
let mut world = World::new();
let mut group = criterion.benchmark_group("run_criteria/yes");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn always_yes() -> ShouldRun {
ShouldRun::Yes
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(always_yes));
for _ in 0..amount {
// TODO: should change this to use a label or have another bench that uses a label instead
stage
.add_system(empty.with_run_criteria(always_yes))
.add_system(empty.with_run_criteria(always_yes))
.add_system(empty.with_run_criteria(always_yes))
.add_system(empty.with_run_criteria(always_yes))
.add_system(empty.with_run_criteria(always_yes));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}
pub fn run_criteria_no(criterion: &mut Criterion) {
let mut world = World::new();
let mut group = criterion.benchmark_group("run_criteria/no");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn always_no() -> ShouldRun {
ShouldRun::No
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(always_no));
for _ in 0..amount {
stage
.add_system(empty.with_run_criteria(always_no))
.add_system(empty.with_run_criteria(always_no))
.add_system(empty.with_run_criteria(always_no))
.add_system(empty.with_run_criteria(always_no))
.add_system(empty.with_run_criteria(always_no));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}
pub fn run_criteria_yes_with_labels(criterion: &mut Criterion) {
let mut world = World::new();
let mut group = criterion.benchmark_group("run_criteria/yes_with_labels");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn always_yes() -> ShouldRun {
ShouldRun::Yes
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(always_yes.label(Always::Yes)));
for _ in 0..amount {
stage
.add_system(empty.with_run_criteria(Always::Yes))
.add_system(empty.with_run_criteria(Always::Yes))
.add_system(empty.with_run_criteria(Always::Yes))
.add_system(empty.with_run_criteria(Always::Yes))
.add_system(empty.with_run_criteria(Always::Yes));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}
pub fn run_criteria_no_with_labels(criterion: &mut Criterion) {
let mut world = World::new();
let mut group = criterion.benchmark_group("run_criteria/no_with_labels");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn always_no() -> ShouldRun {
ShouldRun::No
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(always_no.label(Always::No)));
for _ in 0..amount {
stage
.add_system(empty.with_run_criteria(Always::No))
.add_system(empty.with_run_criteria(Always::No))
.add_system(empty.with_run_criteria(Always::No))
.add_system(empty.with_run_criteria(Always::No))
.add_system(empty.with_run_criteria(Always::No));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}
#[derive(Component, Resource)]
struct TestBool(pub bool);
pub fn run_criteria_yes_with_query(criterion: &mut Criterion) {
let mut world = World::new();
world.spawn(TestBool(true));
let mut group = criterion.benchmark_group("run_criteria/yes_using_query");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn yes_with_query(query: Query<&TestBool>) -> ShouldRun {
query.single().0.into()
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(yes_with_query));
for _ in 0..amount {
stage
.add_system(empty.with_run_criteria(yes_with_query))
.add_system(empty.with_run_criteria(yes_with_query))
.add_system(empty.with_run_criteria(yes_with_query))
.add_system(empty.with_run_criteria(yes_with_query))
.add_system(empty.with_run_criteria(yes_with_query));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}
pub fn run_criteria_yes_with_resource(criterion: &mut Criterion) {
let mut world = World::new();
world.insert_resource(TestBool(true));
let mut group = criterion.benchmark_group("run_criteria/yes_using_resource");
group.warm_up_time(std::time::Duration::from_millis(500));
group.measurement_time(std::time::Duration::from_secs(3));
fn empty() {}
fn yes_with_resource(res: Res<TestBool>) -> ShouldRun {
res.0.into()
}
for amount in 0..21 {
let mut stage = SystemStage::parallel();
stage.add_system(empty.with_run_criteria(yes_with_resource));
for _ in 0..amount {
stage
.add_system(empty.with_run_criteria(yes_with_resource))
.add_system(empty.with_run_criteria(yes_with_resource))
.add_system(empty.with_run_criteria(yes_with_resource))
.add_system(empty.with_run_criteria(yes_with_resource))
.add_system(empty.with_run_criteria(yes_with_resource));
}
// run once to initialize systems
run_stage(&mut stage, &mut world);
group.bench_function(&format!("{:03}_systems", 5 * amount + 1), |bencher| {
bencher.iter(|| {
run_stage(&mut stage, &mut world);
});
});
}
group.finish();
}