48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use grid::Grid;
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fn init_vec_vec(size: usize) -> Vec<Vec<u32>> {
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vec![vec![0; size]; size]
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}
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fn init_vec_flat(size: usize) -> Vec<u32> {
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vec![0; size * size]
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}
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fn init_grid(size: usize) -> Grid<u32> {
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Grid::new(size, size, 0)
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}
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fn get_vec_vec(x: usize, y: usize) -> u32 {
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let mat = init_vec_vec(10);
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mat[x][y]
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}
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fn get_vec_flat(x: usize, y: usize) -> u32 {
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let mat = init_vec_flat(10);
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mat[x / 10 + y % 10]
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}
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fn get_grid(x: usize, y: usize) -> u32 {
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let mat = init_grid(10);
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mat[x][y]
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}
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fn criterion_benchmark(c: &mut Criterion) {
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c.bench_function("Init vec vec 10x10", |b| b.iter(|| init_vec_vec(black_box(10))));
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c.bench_function("Init vec flat 10x10", |b| b.iter(|| init_vec_flat(black_box(10))));
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c.bench_function("Init grid 10x10", |b| b.iter(|| init_grid(black_box(10))));
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c.bench_function("Get vec vec 10x10", |b| {
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b.iter(|| get_vec_vec(black_box(2), black_box(3)))
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});
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c.bench_function("Get vec flat 10x10", |b| {
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b.iter(|| get_vec_flat(black_box(2), black_box(3)))
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});
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c.bench_function("Get grid 10x10", |b| {
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b.iter(|| get_grid(black_box(2), black_box(3)))
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});
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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