Add some benchmarks (#35)

* Add some benchmarks

* Only run bench.yml with performance tag

* Revert "Only run bench.yml with performance tag"

This reverts commit e5266be.

* Rename CI step

.github/workflows/bench.yml

@@ -30,7 +30,7 @@ jobs:
       - name: Run cargo bench on head
         run: cargo bench
 
-      - name: upload benchmark report
+      - name: Upload benchmark report
         uses: actions/upload-artifact@v2
         with:
           name: Benchmark report

maple-core/Cargo.toml

@@ -26,3 +26,10 @@ features = [
   "Window",
 ]
 version = "0.3.48"
+
+[dev-dependencies]
+criterion = {version = "0.3", features = ["html_reports"]}
+
+[[bench]]
+harness = false
+name = "reactivity"

maple-core/benches/reactivity.rs

@@ -0,0 +1,31 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use maple_core::prelude::*;
+
+pub fn criterion_benchmark(c: &mut Criterion) {
+    c.bench_function("reactivity signals run get/set 1000x", |b| {
+        b.iter(|| {
+            let state = Signal::new(black_box(0));
+
+            for _i in 0..1000 {
+                let value = state.get();
+                state.set(*value + 1);
+            }
+        })
+    });
+
+    c.bench_function("reactivity run effects 1000x", |b| {
+        b.iter(|| {
+            let state = Signal::new(black_box(0));
+            create_effect(cloned!((state) => move || {
+                let _double = *state.get() * 2;
+            }));
+
+            for _i in 0..1000 {
+                state.set(*state.get() + 1);
+            }
+        })
+    });
+}
+
+criterion_group!(benches, criterion_benchmark);
+criterion_main!(benches);