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add test cases
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@CptPotato
CptPotato committed Mar 20, 2022
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6 changes: 4 additions & 2 deletions examples/README.md
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Expand Up @@ -65,7 +65,7 @@ git checkout v0.4.0
- [WASM](#wasm)
- [Setup](#setup-2)
- [Build & Run](#build--run-2)
- [Stree Tests](#stress-tests)
- [Stress Tests](#stress-tests)

# The Bare Minimum

Expand Down Expand Up @@ -412,6 +412,8 @@ the assets on Windows.

# Stress Tests

These examples are used to test the performance and stability of various parts of the engine in an isolated way.

Example | File | Description
--- | --- | ---
`transform_hierarchy.rs` | [`stress_tests/transform_hierarchy.rs`](./stress_tests/transform_hierarchy.rs) | Configurable test for hierarchy and transform propagation performance
`transform_hierarchy.rs` | [`stress_tests/transform_hierarchy.rs`](./stress_tests/transform_hierarchy.rs) | Various test cases for hierarchy and transform propagation performance
281 changes: 262 additions & 19 deletions examples/stress_tests/transform_hierarchy.rs
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@@ -1,27 +1,270 @@
//! hierarchy and transform propagation stress test
//! set the test parameters (cfg) inside [`main`]
//! Hierarchy and transform propagation stress test.
//!
//! Running this example:
//!
//! ```
//! cargo r --release --example transform_hierarchy -- <configuration name>
//! ```
//!
//! | Configuration | Description |
//! | -------------------- | ----------------------------------------------------------------- |
//! | `large_tree` | A fairly wide and deep tree. |
//! | `wide_tree` | A shallow but very wide tree. |
//! | `deep_tree` | A deep but not very wide tree. |
//! | `chain` | A chain. 2500 levels deep. |
//! | `update_leaves` | Same as `large_tree`, but only leaves are updated. |
//! | `update_shallow` | Same as `large_tree`, but only the first few levels are updated. |
//! | `humanoids_active` | 4000 active humanoid rigs. |
//! | `humanoids_inactive` | 4000 humanoid rigs. Only 10 are active. |
//! | `humanoids_mixed` | 2000 inactive and 2000 active humanoid rigs. |
//! | `drawing` | A rendering-heavy configuration. Meshes and materials are shared. |
//! | `drawing_unique` | Same as `drawing`, but all meshes and materials are unique. |

use bevy::{
prelude::*,
sprite::{MaterialMesh2dBundle, Mesh2dHandle},
};
use rand::Rng;

fn main() {
let cfg = Cfg {
test_case: TestCase::NonUniformTree {
depth: 18,
branch_width: 8,
/// pre-defined test configurations with name
const CONFIGS: [(&'static str, Cfg); 11] = [
(
"large_tree",
Cfg {
test_case: TestCase::NonUniformTree {
depth: 18,
branch_width: 8,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"wide_tree",
Cfg {
test_case: TestCase::Tree {
depth: 3,
branch_width: 500,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"deep_tree",
Cfg {
test_case: TestCase::NonUniformTree {
depth: 25,
branch_width: 2,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"chain",
Cfg {
test_case: TestCase::Tree {
depth: 2500,
branch_width: 1,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"update_leaves",
Cfg {
test_case: TestCase::Tree {
depth: 18,
branch_width: 2,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 17,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"update_shallow",
Cfg {
test_case: TestCase::Tree {
depth: 18,
branch_width: 2,
},
update_filter: UpdateFilter {
probability: 0.5,
min_depth: 0,
max_depth: 8,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"humanoids_active",
Cfg {
test_case: TestCase::Humanoids {
active: 4000,
inactive: 0,
},
update_filter: UpdateFilter {
probability: 1.0,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"humanoids_inactive",
Cfg {
test_case: TestCase::Humanoids {
active: 10,
inactive: 3990,
},
update_filter: UpdateFilter {
probability: 1.0,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"humanoids_mixed",
Cfg {
test_case: TestCase::Humanoids {
active: 2000,
inactive: 2000,
},
update_filter: UpdateFilter {
probability: 1.0,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
},
},
),
(
"drawing",
Cfg {
test_case: TestCase::Humanoids {
active: 150,
inactive: 500,
},
update_filter: UpdateFilter {
probability: 1.0,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::All,
unique_meshes: false,
unique_materials: false,
},
},
update_filter: UpdateFilter {
probability: 0.5,
..default()
),
(
"drawing_unique",
Cfg {
test_case: TestCase::Humanoids {
active: 150,
inactive: 500,
},
update_filter: UpdateFilter {
probability: 1.0,
min_depth: 0,
max_depth: u32::MAX,
},
visuals: Visuals {
visible_nodes: VisibleNodes::All,
unique_meshes: true,
unique_materials: true,
},
},
visuals: Visuals {
visible_nodes: VisibleNodes::None,
unique_meshes: false,
unique_materials: false,
),
];

fn print_available_configs() {
println!("available configurations:");
for (name, _) in CONFIGS {
println!(" {name}");
}
}

fn main() {
// parse arg and find test configuration
let cfg: Cfg = match std::env::args().skip(1).next() {
Some(arg) => match CONFIGS.iter().find(|(name, _)| *name == arg) {
Some((name, cfg)) => {
println!("test configuration: {name}");
cfg.clone()
}
None => {
println!("test configuration \"{arg}\" not found.\n");
print_available_configs();
return;
}
},
None => {
println!("missing argument: <test configuration>\n");
print_available_configs();
return;
}
};

println!("\n{:#?}", cfg);
Expand All @@ -36,7 +279,7 @@ fn main() {
}

/// test configuration
#[derive(Debug)]
#[derive(Debug, Clone)]
struct Cfg {
/// which test case should be inserted
test_case: TestCase,
Expand All @@ -47,7 +290,7 @@ struct Cfg {
}

#[allow(unused)]
#[derive(Debug)]
#[derive(Debug, Clone)]
enum TestCase {
/// a uniform tree, exponentially growing with depth
Tree {
Expand All @@ -74,7 +317,7 @@ enum TestCase {
}

/// a filter to restrict which nodes are updated
#[derive(Debug)]
#[derive(Debug, Clone)]
struct UpdateFilter {
/// starting depth (inclusive)
min_depth: u32,
Expand All @@ -96,7 +339,7 @@ impl Default for UpdateFilter {
}

/// visual configuration
#[derive(Debug)]
#[derive(Debug, Clone)]
struct Visuals {
/// visibility of nodes
visible_nodes: VisibleNodes,
Expand All @@ -108,7 +351,7 @@ struct Visuals {

/// visibility of nodes
#[allow(unused)]
#[derive(PartialEq, Debug)]
#[derive(PartialEq, Debug, Clone)]
enum VisibleNodes {
/// draw nothing
None,
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