From 420b77b0cb4b4b9155b7bf73343b25cc27403945 Mon Sep 17 00:00:00 2001
From: BD103 <59022059+BD103@users.noreply.github.com>
Date: Mon, 12 Aug 2024 15:26:06 -0400
Subject: [PATCH] feat: benchmark `App::update()`

---
 benches/app/app.rs | 16 ++++++++++++++++
 benches/app/mod.rs |  5 +++++
 benches/main.rs    |  3 ++-
 3 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 benches/app/app.rs
 create mode 100644 benches/app/mod.rs

diff --git a/benches/app/app.rs b/benches/app/app.rs
new file mode 100644
index 0000000..0e67f8b
--- /dev/null
+++ b/benches/app/app.rs
@@ -0,0 +1,16 @@
+use bevy::app::prelude::*;
+use criterion::Criterion;
+
+pub fn update(c: &mut Criterion) {
+    let mut group = c.benchmark_group("app::app::update");
+
+    group.bench_function("empty", |b| {
+        let mut app = App::empty();
+        b.iter(|| app.update());
+    });
+
+    group.bench_function("new", |b| {
+        let mut app = App::new();
+        b.iter(|| app.update());
+    });
+}
diff --git a/benches/app/mod.rs b/benches/app/mod.rs
new file mode 100644
index 0000000..e9b2733
--- /dev/null
+++ b/benches/app/mod.rs
@@ -0,0 +1,5 @@
+mod app;
+
+use criterion::criterion_group;
+
+criterion_group!(group, app::update,);
diff --git a/benches/main.rs b/benches/main.rs
index c224a3a..64c4ff9 100644
--- a/benches/main.rs
+++ b/benches/main.rs
@@ -1,3 +1,4 @@
+mod app;
 mod ecs;
 
 use criterion::criterion_main;
@@ -10,4 +11,4 @@ pub(crate) fn create_prng() -> impl Rng {
     SmallRng::seed_from_u64(0x7df09deb486e920a)
 }
 
-criterion_main!(ecs::group);
+criterion_main!(app::group, ecs::group);