feat: try parallelism

10000.bench.ts

@@ -0,0 +1,20 @@
+import { bench, describe } from "vitest";
+import { rspack } from "@rspack/core";
+import rspackConfig from './cases/10000/rspack.config';
+
+describe("10000 modules project", () => {
+	bench("build with development mode", () => new Promise((resolve, reject) => {
+		rspack({
+			...rspackConfig,
+			mode: "development"
+		}, (err, stats) => {
+			if (err) {
+				reject(err);
+			}
+			if (stats?.hasErrors()) {
+				reject(new Error(stats.toString({})));
+			}
+			resolve();
+		});
+	}));
+});

vitest.config.ts

@@ -2,6 +2,8 @@ import codspeedPlugin from "@codspeed/vitest-plugin";
 import { defineConfig } from "vitest/config";
 
 export default defineConfig({
-	plugins: [codspeedPlugin()]
-	// ...
+	plugins: [codspeedPlugin()],
+	test: {
+		fileParallelism: true
+	},
 });