phaseout py39

Author: LeiWang1999

.github/workflows/ci.yml

@@ -42,14 +42,14 @@ jobs:
           fetch-depth: 0
           submodules: recursive
 
-      - name: Setup Python 3.8
+      - name: Setup Python 3.9
         id: setup-py38
         uses: actions/setup-python@v6
         with:
-          python-version: "3.8" # use lowest supported version for linting
+          python-version: "3.9" # use lowest supported version for linting
           update-environment: false
 
-      - name: Check AST with Python 3.8
+      - name: Check AST with Python 3.9
         run: |
           "${{ steps.setup-py38.outputs.python-path }}" -m compileall -q -f tilelang
 

.github/workflows/dist.yml

@@ -41,8 +41,8 @@ jobs:
           - { runner: ubuntu-24.04-arm, toolkit: "CUDA-12.8" }
           - { runner: macos-latest, toolkit: "Metal" }
         python-version:
-          - "3.8"
-          # TVM is built with Python 3.8 Limited API, it should work with all Python >= 3.8.
+          - "3.9"
+          # TVM is built with Python 3.9 Limited API, it should work with all Python >= 3.9.
           # - "3.9"
           # - "3.10"
           # - "3.11"

docs/get_started/Installation.md

@@ -5,7 +5,7 @@
 **Prerequisites for installation via wheel or PyPI:**
 
 - **glibc**: 2.28 (Ubuntu 20.04 or later)
-- **Python Version**: >= 3.8
+- **Python Version**: >= 3.9
 - **CUDA Version**: 12.0 <= CUDA < 13
 
 The easiest way to install **tile-lang** is directly from PyPI using pip. To install the latest version, run the following command in your terminal:
@@ -37,7 +37,7 @@ python -c "import tilelang; print(tilelang.__version__)"
 **Prerequisites for building from source:**
 
 - **Operating System**: Linux
-- **Python Version**: >= 3.8
+- **Python Version**: >= 3.9
 - **CUDA Version**: >= 10.0
 
 ```bash

examples/gemm/README.md

@@ -25,7 +25,7 @@ TileLang is a domain-specific language designed to simplify the process of writi
 
 ### Prerequisites
 
-- **Python 3.8+**  
+- **Python 3.9+**  
 - **NVIDIA GPU** with a recent CUDA toolkit installed  
 - **PyTorch** (optional, for easy correctness verification)
 - **tilelang**  

pyproject.toml

@@ -2,7 +2,7 @@
 name = "tilelang"
 description = "A tile level programming language to generate high performance code."
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [{name = "TileLang Contributors"}, {name = "Tile-AI"}]
 maintainers = [{name = "Lei Wang", email = "leiwang1999@outlook.com"}]
 license = "MIT"
@@ -12,7 +12,7 @@ classifiers = [
     "Operating System :: POSIX :: Linux",
     "Operating System :: OS Independent",
     "Operating System :: MacOS",
-    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",