diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ab529d6c..ef3490e8 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,6 +19,8 @@ env:
 jobs:
   build-phpx:
     name: Build PHPX (PHP ${{ matrix.php }})
+    # Skip the whole test pipeline when the push commit message contains `--skip-tests`.
+    if: ${{ !contains(github.event.head_commit.message || '', '--skip-tests') }}
     runs-on: ubuntu-latest
     timeout-minutes: 30
     strategy:
@@ -94,6 +96,7 @@ jobs:
 
   phpunit:
     name: PHPUnit (PHP ${{ matrix.php }})
+    if: ${{ !contains(github.event.head_commit.message || '', '--skip-tests') }}
     runs-on: ubuntu-latest
     timeout-minutes: 30
     needs: build-phpx
@@ -158,6 +161,7 @@ jobs:
 
   phpt:
     name: PHPT (PHP ${{ matrix.php }})
+    if: ${{ !contains(github.event.head_commit.message || '', '--skip-tests') }}
     runs-on: ubuntu-latest
     timeout-minutes: 180
     needs: build-phpx
diff --git a/README-CN.md b/README-CN.md
index b328ac82..bd69376f 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -22,8 +22,14 @@ TypePHP 是一个 AOT（Ahead-Of-Time，提前编译）编译器，它把 PHP 
 它保留熟悉的 PHP 语法，同时引入编译期类型信息，让编译器为你的性能热点生成快速、
 静态类型的 C++ 代码，而其余代码仍运行在久经考验的 Zend 引擎上。
 
+TypePHP **完全由 PHP 语言编写**，并且**完全自举**：`tpc` 编译器二进制就是
+用 TypePHP 编译编译器自身的 PHP 源码得到的。整个自举链路是纯 PHP——编译器
+本身没有任何 C 或 C++ 胶水代码。
+
 ## 特性
 
+- **完全自举、纯 PHP 实现** —— TypePHP 编译器完全由 PHP 语言编写，并能自举：
+  用 `tpc` 编译编译器自身的源码，即可生成原生二进制。
 - **真正的 AOT 编译** —— PHP 先降级为 C++17，再编译为原生机器码。无解释器、
   无 opcode 缓存、无 JIT 预热。
 - **三种构建模式** —— 同一份代码可编译为独立 `bin` 可执行文件、可加载的 PHP
@@ -74,20 +80,21 @@ TypePHP 是一个 AOT（Ahead-Of-Time，提前编译）编译器，它把 PHP 
 - **PHP 8.4 – 8.5**，需包含 `embed` 模块（`libphp.so`）
 - **GCC 9+**（或 Clang），支持 **C++17**
 - **CMake 3.24+**
-- 高精度数学库：**GMP**、**MPFR**、**libmpdec**
+- 高精度数学库：**GMP**、**MPFR**（libmpdec 已随 PHPX 内置）
 
 ```shell
 # Ubuntu/Debian
-sudo apt install libgmp-dev libmpfr-dev libmpdec-dev
+sudo apt install libgmp-dev libmpfr-dev
 
 # RHEL/CentOS/Fedora
-sudo dnf install gmp-devel mpfr-devel libmpdec-devel
+sudo dnf install gmp-devel mpfr-devel
 
 # Arch Linux
-sudo pacman -S gmp mpfr mpdecimal
+sudo pacman -S gmp mpfr
 ```
 
-> GMP 用于 `bigInt`，MPFR 用于 `bigFloat`，libmpdec 用于 `decimal`。
+> GMP 用于 `bigInt`，MPFR 用于 `bigFloat`。`decimal` 底层是 libmpdec，
+> 已随 PHPX 内置，无需单独安装。
 
 预览版目前以 **Linux** 为主要开发平台（推荐 Ubuntu 22.04）。Windows 和 macOS
 打包通过同一入口点支持。
@@ -322,6 +329,21 @@ function main(): void
 
 ## 基准测试
 
+### PHP 语言基准（来自 php-src）
+
+TypePHP 使用 `-O3` 运行 PHP 源码树自带的官方 `bench.php` 与
+`micro_bench.php` 语言性能测试：
+
+| 基准 | 解释执行 PHP | TypePHP AOT（`-O3`） | 加速比 |
+|---|---|---|---|
+| `bench.php`（总计） | 5.034 秒 | **0.603 秒** | 约 8× |
+| `micro_bench.php`（总计） | 13.045 秒 | **2.021 秒** | 约 6.5× |
+
+两项基准覆盖 PHP 语言核心性能——函数调用、对象属性访问、数组/哈希访问、
+字符串处理、控制流等。完整逐项报告见 [`bench.txt`](bench.txt)。
+
+### std::array 对比 PHP 数组
+
 一个 10000×100000 的元素累加循环，对比 PHP 数组、TypePHP `std::array`
 与原生 C++：
 
diff --git a/README.md b/README.md
index c5727644..9746c3e2 100644
--- a/README.md
+++ b/README.md
@@ -25,8 +25,16 @@ It keeps familiar PHP syntax and adds compile-time type information, so the
 compiler can emit fast, statically-typed C++ for your hot paths — while the
 rest of your code continues to run on the battle-tested Zend engine.
 
+TypePHP is **written entirely in PHP** and is **fully self-hosting**: the `tpc`
+compiler binary is built by compiling the compiler's own PHP source code with
+TypePHP. The bootstrap chain is pure PHP — no C or C++ glue in the compiler
+itself.
+
 ## Features
 
+- **Self-hosting, written in PHP** — the TypePHP compiler is implemented
+  entirely in PHP and bootstraps itself: `tpc` compiles the compiler's own
+  source into a native binary.
 - **True AOT compilation** — PHP is lowered to C++17, then to native machine
   code. No interpreter, no opcode cache, no JIT warm-up.
 - **Three build modes** — build a standalone `bin` executable, a loadable PHP
@@ -87,20 +95,21 @@ rest of your code continues to run on the battle-tested Zend engine.
 - **PHP 8.4 – 8.5** with the `embed` module (`libphp.so`)
 - **GCC 9+** (or Clang) with **C++17**
 - **CMake 3.24+**
-- High-precision math libraries: **GMP**, **MPFR**, **libmpdec**
+- High-precision math libraries: **GMP**, **MPFR** (libmpdec is bundled with PHPX)
 
 ```shell
 # Ubuntu/Debian
-sudo apt install libgmp-dev libmpfr-dev libmpdec-dev
+sudo apt install libgmp-dev libmpfr-dev
 
 # RHEL/CentOS/Fedora
-sudo dnf install gmp-devel mpfr-devel libmpdec-devel
+sudo dnf install gmp-devel mpfr-devel
 
 # Arch Linux
-sudo pacman -S gmp mpfr mpdecimal
+sudo pacman -S gmp mpfr
 ```
 
-> GMP powers `bigInt`, MPFR powers `bigFloat`, and libmpdec powers `decimal`.
+> GMP powers `bigInt` and MPFR powers `bigFloat`. The `decimal` type is backed
+> by libmpdec, which is bundled with PHPX — no separate install required.
 
 The preview currently targets **Linux** as the primary development platform
 (Ubuntu 22.04 recommended). Windows and macOS packaging is supported through
@@ -340,6 +349,22 @@ See [Mixed C++/PHP](docs/MIXED_CPP_PHP.md).
 
 ## Benchmark
 
+### PHP language benchmarks (from php-src)
+
+TypePHP runs the official `bench.php` and `micro_bench.php` language
+benchmarks that ship with the PHP source tree, compiled with `-O3`:
+
+| Benchmark | Interpreted PHP | TypePHP AOT (`-O3`) | Speedup |
+|---|---|---|---|
+| `bench.php` (total) | 5.034 s | **0.603 s** | ~8× |
+| `micro_bench.php` (total) | 13.045 s | **2.021 s** | ~6.5× |
+
+Both benchmarks measure core PHP language performance — function calls, object
+property access, array/hash access, string handling, control flow, and more.
+See the full per-item report in [`bench.txt`](bench.txt).
+
+### std::array vs PHP array
+
 A 10000×100000 element update loop, comparing PHP arrays against TypePHP's
 `std::array` and native C++: