chore: basic benchmarks back

lib/cache.bench.ts

@@ -0,0 +1,23 @@
+import DataLoader from 'npm:dataloader';
+
+import type { LoadFn } from './mod.ts';
+import * as dldr from './cache.ts';
+
+const loadFn: LoadFn<any, string> = async (keys: string[]) => Promise.resolve(keys);
+const keys = ['a', 'b', 'c', 'a'];
+
+Deno.bench({
+	name: 'dldr',
+	baseline: true,
+	async fn() {
+		let _ = await Promise.all(keys.map((key) => dldr.load(loadFn, undefined, key)));
+	},
+});
+
+Deno.bench({
+	name: 'dataloader',
+	async fn() {
+		const loader = new DataLoader(loadFn as any, { cache: true });
+		let _ = await loader.loadMany(keys);
+	},
+});

lib/mod.bench.ts

@@ -0,0 +1,22 @@
+import DataLoader from 'npm:dataloader';
+
+import * as dldr from './mod.ts';
+
+const loadFn: dldr.LoadFn<any, string> = async (keys: string[]) => Promise.resolve(keys);
+const keys = ['a', 'b', 'c', 'a'];
+
+Deno.bench({
+	name: 'dldr',
+	baseline: true,
+	async fn() {
+		let _ = await Promise.all(keys.map((key) => dldr.load(loadFn, key)));
+	},
+});
+
+Deno.bench({
+	name: 'dataloader',
+	async fn() {
+		const loader = new DataLoader(loadFn as any, { cache: false });
+		let _ = await loader.loadMany(keys);
+	},
+});