37 lines
1.0 KiB
Rust
37 lines
1.0 KiB
Rust
use criterion::{black_box, criterion_group, criterion_main, Criterion};
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const MAP_WIDTH: usize = 100;
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const MAP_HEIGHT: usize = 100;
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const MAP_DEPTH: usize = 100;
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#[derive(Clone, Copy, Debug)]
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struct Voxel {
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r: u8, g: u8, b: u8
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}
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fn voxel_vec_1d(data: Vec<Voxel>) -> Voxel {
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const X: usize = 0;
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const Y: usize = 0;
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const Z: usize = 0;
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data[X + Y * MAP_WIDTH + Z * MAP_WIDTH * MAP_HEIGHT]
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}
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fn voxel_vec_3d(data: Vec<Vec<Vec<Voxel>>>) -> Voxel {
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const X: usize = 0;
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const Y: usize = 0;
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const Z: usize = 0;
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data[X][Y][Z]
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}
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fn voxel_map_benchmark(c: &mut Criterion) {
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let vec_1d = vec![Voxel { r: 0, g: 0, b: 0 }; MAP_WIDTH * MAP_HEIGHT * MAP_DEPTH];
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let vec_3d = vec![vec![vec![Voxel { r: 0, g: 0, b: 0 }; MAP_DEPTH]; MAP_HEIGHT]; MAP_WIDTH];
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c.bench_function("voxels in 1d vector", |b| b.iter(|| voxel_vec_1d(black_box(vec_1d.clone()))));
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c.bench_function("voxels in 3d vector", |b| b.iter(|| voxel_vec_3d(black_box(vec_3d.clone()))));
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}
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criterion_group!(benches, voxel_map_benchmark);
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criterion_main!(benches); |