add growing benchmark
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3506e0057f
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5 changed files with 49 additions and 18 deletions
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@ -9,7 +9,7 @@ edition = "2021"
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rand = "0.8.5"
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[[bench]]
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name = "large_grid"
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name = "main"
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harness = false
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[dev-dependencies]
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@ -1,17 +0,0 @@
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use gol_bitwise::region::Region;
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fn large_grid(c: &mut Criterion) {
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const SIZE: usize = 2048 / gol_bitwise::tile::WIDTH; // same number of cells regardless of tile size
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let mut region = black_box(Region::new(SIZE, SIZE));
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region.randomise();
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c.bench_function("large grid", |b| {
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b.iter(|| {
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region.step();
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})
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});
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}
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criterion_group!(benches, large_grid);
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criterion_main!(benches);
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33
benches/main.rs
Normal file
33
benches/main.rs
Normal file
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@ -0,0 +1,33 @@
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use gol_bitwise::{
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region::Region,
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tile::{self, Tile},
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};
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fn large_grid(c: &mut Criterion) {
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const SIZE: usize = 2048 / tile::WIDTH; // same number of cells regardless of tile size
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let mut region = black_box(Region::new(SIZE, SIZE));
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region.randomise();
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c.bench_function("large grid", |b| {
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b.iter(|| {
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region.step();
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})
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});
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}
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fn growing(c: &mut Criterion) {
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c.bench_function("growing", |b| {
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b.iter(|| {
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let mut region = black_box(Region::new(1, 1));
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region.set_tile(Tile::gliders(), 0, 0);
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for _ in 0..1024 {
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region.step();
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region.auto_grow();
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}
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})
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});
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}
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criterion_group!(benches, large_grid, growing);
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criterion_main!(benches);
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@ -19,6 +19,10 @@ impl Region {
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}
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}
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pub fn set_tile(&mut self, tile: Tile, x: usize, y: usize) {
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self.tiles[y][x] = tile;
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}
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pub fn height(&self) -> usize {
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self.tiles.len()
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}
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11
src/tile.rs
11
src/tile.rs
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@ -27,6 +27,17 @@ impl Tile {
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Self::EMPTY
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}
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pub fn gliders() -> Self {
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let mut t = Self::EMPTY;
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t.rows[1] = 0b1110000;
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t.rows[2] = 0b1000000;
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t.rows[3] = 0b0100000;
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t.rows[WIDTH - 4] = 0b0100;
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t.rows[WIDTH - 3] = 0b0010;
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t.rows[WIDTH - 2] = 0b1110;
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t
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}
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pub fn edge_east(&self) -> Row {
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let mut edge = 0;
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for n in 0..WIDTH {
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