docs: add benchmark page (#333)

Co-authored-by: 三咲智子 Kevin Deng <[email protected]>

Author: Gugustinette

docs/.vitepress/config/theme.ts

@@ -89,6 +89,7 @@ export function getLocaleConfig(lang: string) {
         { text: t('Hooks'), link: '/hooks.md' },
         { text: t('Rolldown Options'), link: '/rolldown-options.md' },
         { text: t('Programmatic Usage'), link: '/programmatic-usage.md' },
+        { text: t('Benchmark'), link: '/benchmark.md' },
       ],
     },
     {

docs/.vitepress/i18n/translate-map.ts

@@ -36,6 +36,7 @@ export const zhCN = {
   Plugins: '插件',
   Hooks: '钩子（Hooks）',
   'Programmatic Usage': '编程使用',
+  Benchmark: '性能基准',
   FAQ: '常见问题',
 
   'Config Options': '配置选项',

docs/advanced/benchmark.md

@@ -0,0 +1,5 @@
+# Benchmark
+
+`tsdown` delivers exceptional performance compared to other popular bundlers. In most cases, it is approximately **2 times faster** than `tsup` for standard builds, and up to **8 times faster** when generating TypeScript declaration files.
+
+For detailed comparisons and real-world results, see [bundler-benchmark](https://gugustinette.github.io/bundler-benchmark/).

docs/zh-CN/advanced/benchmark.md

@@ -0,0 +1,5 @@
+# 性能基准
+
+与其他流行的打包器相比，`tsdown` 拥有卓越的性能。在大多数情况下，标准构建速度约为 `tsup` 的**2 倍**，在生成 TypeScript 声明文件时甚至可达**8 倍**之多。
+
+有关详细对比和真实案例结果，请参阅 [bundler-benchmark](https://gugustinette.github.io/bundler-benchmark/)。