47 lines
2.0 KiB
XML
47 lines
2.0 KiB
XML
// #![feature(test)]
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// extern crate test;
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// use legion::prelude::*;
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// use bevy_transform::{local_to_world_system, prelude::*};
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// use test::Bencher;
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// #[bench]
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// fn local_to_world_update_without_change(b: &mut Bencher) {
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// let _ = env_logger::builder().is_test(true).try_init();
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// let mut world = Universe::new().create_world();
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// let system = local_to_world_system::build(&mut world);
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// let ltw = LocalToWorld::identity();
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// let t = Translation::new(1.0, 2.0, 3.0);
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// let r = Rotation::from_euler_angles(1.0, 2.0, 3.0);
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// let s = Scale(2.0);
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// let nus = NonUniformScale::new(1.0, 2.0, 3.0);
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// // Add N of every combination of transform types.
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// let n = 1000;
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// let _translation = *world.insert((), vec![(ltw, t); n]).first().unwrap();
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// let _rotation = *world.insert((), vec![(ltw, r); n]).first().unwrap();
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// let _scale = *world.insert((), vec![(ltw, s); n]).first().unwrap();
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// let _non_uniform_scale = *world.insert((), vec![(ltw, nus); n]).first().unwrap();
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// let _translation_and_rotation = *world.insert((), vec![(ltw, t, r); n]).first().unwrap();
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// let _translation_and_scale = *world.insert((), vec![(ltw, t, s); n]).first().unwrap();
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// let _translation_and_nus = *world.insert((), vec![(ltw, t, nus); n]).first().unwrap();
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// let _rotation_scale = *world.insert((), vec![(ltw, r, s); n]).first().unwrap();
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// let _rotation_nus = *world.insert((), vec![(ltw, r, nus); n]).first().unwrap();
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// let _translation_rotation_scale = *world.insert((), vec![(ltw, t, r, s); n]).first().unwrap();
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// let _translation_rotation_nus = *world.insert((), vec![(ltw, t, r, nus); n]).first().unwrap();
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// // Run the system once outside the test (which should compute everything and it shouldn't be
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// // touched again).
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// system.run(&mut world);
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// system.command_buffer_mut().write(&mut world);
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// // Then time the already-computed updates.
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// b.iter(|| {
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// system.run(&mut world);
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// system.command_buffer_mut().write(&mut world);
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// });
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// }
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