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For simple_scene benchmark, regerenerate BVH periodically 

This makes the results much more consistent run-to-run. I suspect
the inconsistency was caused by random variations in the memory
layout of the BVH.
This commit is contained in:
Matthew Gordon 2020-07-04 21:16:28 -04:00
parent ea311408ba
commit 5aad1242b3
1 changed files with 14 additions and 15 deletions
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29
benches/simple_scene.rs
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@ -20,22 +20,21 @@ fn simple_scene(bencher: &mut Criterion) {
let model_file_path =
Path::new(env!("CARGO_MANIFEST_DIR")).join("test_data/stanford_bunny.obj");
let scene = Scene {
camera_location: Point3::new(-2.0, 1.0, -5.0),
objects: vec![Box::new(BoundingVolumeHierarchy::build(
load_obj(
&model_file_path,
Arc::new(ReflectiveMaterial {
colour: ColourRgbF::from_named(NamedColour::Yellow),
diffuse_strength: 0.05,
reflection_strength: 0.9,
}),
)
.unwrap(),
))],
};
bencher.bench_function("simple_scene", |b| {
let scene = Scene {
camera_location: Point3::new(-2.0, 1.0, -5.0),
objects: vec![Box::new(BoundingVolumeHierarchy::build(
load_obj(
&model_file_path,
Arc::new(ReflectiveMaterial {
colour: ColourRgbF::from_named(NamedColour::Yellow),
diffuse_strength: 0.05,
reflection_strength: 0.9,
}),
)
.unwrap(),
))],
};
b.iter(|| {
let tile = Tile {
start_column: 0,