1 files changed, 39 insertions, 0 deletions
diff --git a/src/tests/aoc_2021_09/benches/main.rs b/src/tests/aoc_2021_09/benches/main.rs
new file mode 100644
index 0000000..cc9b460
--- /dev/null
+++ b/src/tests/aoc_2021_09/benches/main.rs
@@ -0,0 +1,39 @@
+use aoc_2021_09::HeightMap;
+use criterion::{criterion_group, criterion_main, BatchSize, BenchmarkId, Criterion};
+use rand::{rngs::StdRng, SeedableRng};
+
+fn run_benches(c: &mut Criterion) {
+    let mut rng = StdRng::seed_from_u64(42);
+    for size in [100].iter() {
+        c.bench_with_input(
+            BenchmarkId::new("aoc_2021_09-part1", size),
+            size,
+            |b, &n| {
+                b.iter_batched_ref(
+                    || HeightMap::gen(&mut rng, n),
+                    |map| map.part1(),
+                    BatchSize::SmallInput,
+                )
+            },
+        );
+
+        c.bench_with_input(
+            BenchmarkId::new("aoc_2021_09-part2", size),
+            size,
+            |b, &n| {
+                b.iter_batched_ref(
+                    || HeightMap::gen(&mut rng, n),
+                    |map| map.part2(),
+                    BatchSize::SmallInput,
+                )
+            },
+        );
+    }
+}
+
+criterion_group!(
+    name = benches;
+    config = Criterion::default().sample_size(10);
+    targets = run_benches
+);
+criterion_main!(benches);