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add benches for simple run criteria (#4196)

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# Objective

- Add benches for run criteria. This is in anticipation of run criteria being redone in stageless.

## Solution

- Benches run criteria that don't access anything to test overhead
- Test run criteria that use a query
- Test run criteria that use a resource
This commit is contained in:
Mike 2022-04-26 19:59:19 +00:00
parent 361686a09c
commit 45d2c78949
2 changed files with 229 additions and 0 deletions
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5
benches/Cargo.toml
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@ -27,6 +27,11 @@ name = "system_stage"
path = "benches/bevy_ecs/stages.rs" path = "benches/bevy_ecs/stages.rs"
harness = false harness = false
[[bench]]
name = "run_criteria"
path = "benches/bevy_ecs/run_criteria.rs"
harness = false
[[bench]] [[bench]]
name = "commands" name = "commands"
path = "benches/bevy_ecs/commands.rs" path = "benches/bevy_ecs/commands.rs"

224
benches/benches/bevy_ecs/run_criteria.rs Normal file
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@ -0,0 +1,224 @@
use bevy_ecs::{
component::Component,
prelude::{ParallelSystemDescriptorCoercion, Res, RunCriteriaDescriptorCoercion},
schedule::{ShouldRun, Stage, SystemStage},
system::{IntoSystem, Query},
world::World,
};
use criterion::{criterion_group, criterion_main, Criterion};
criterion_group!(
benches,
run_criteria_yes,
run_criteria_no,
run_criteria_yes_with_labels,
run_criteria_no_with_labels,
run_criteria_yes_with_query,
run_criteria_yes_with_resource
);
criterion_main!(benches);
fn run_stage(stage: &mut SystemStage, world: &mut World) {
stage.run(world);
}
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();
}
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();
}
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();
}
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)]
struct TestBool(pub bool);
fn run_criteria_yes_with_query(criterion: &mut Criterion) {
let mut world = World::new();
world.spawn().insert(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 {
let test_bool = query.single();
if test_bool.0 {
ShouldRun::Yes
} else {
ShouldRun::No
}
}
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();
}
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 {
if res.0 {
ShouldRun::Yes
} else {
ShouldRun::No
}
}
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();
}