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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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3
benches/simple_scene.rs
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@ -20,6 +20,7 @@ fn simple_scene(bencher: &mut Criterion) {
let model_file_path = let model_file_path =
Path::new(env!("CARGO_MANIFEST_DIR")).join("test_data/stanford_bunny.obj"); Path::new(env!("CARGO_MANIFEST_DIR")).join("test_data/stanford_bunny.obj");
bencher.bench_function("simple_scene", |b| {
let scene = Scene { let scene = Scene {
camera_location: Point3::new(-2.0, 1.0, -5.0), camera_location: Point3::new(-2.0, 1.0, -5.0),
objects: vec![Box::new(BoundingVolumeHierarchy::build( objects: vec![Box::new(BoundingVolumeHierarchy::build(
@ -34,8 +35,6 @@ fn simple_scene(bencher: &mut Criterion) {
.unwrap(), .unwrap(),
))], ))],
}; };
bencher.bench_function("simple_scene", |b| {
b.iter(|| { b.iter(|| {
let tile = Tile { let tile = Tile {
start_column: 0, start_column: 0,