Add submodule (#9385)

* add submodule

* add submodule

.gitignore

@@ -131,4 +131,4 @@ dataset/
 output/
 
 # gen codes
-autogen/
+autogen/

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "csrc/third_party/cutlass"]
+	path = csrc/third_party/cutlass
+	url = https://github.com/NVIDIA/cutlass.git
+[submodule "csrc/third_party/nlohmann_json"]
+	path = csrc/third_party/nlohmann_json
+	url = https://github.com/nlohmann/json.git

csrc/setup_cuda.py

@@ -17,7 +17,14 @@ import subprocess
 
 import paddle
 from paddle.utils.cpp_extension import CUDAExtension, setup
+import subprocess
 
+def update_git_submodule():
+    try:
+        subprocess.run(["git", "submodule", "update", "--init"], check=True)
+    except subprocess.CalledProcessError as e:
+        print(f"Error occurred while updating git submodule: {str(e)}")
+        raise
 
 def clone_git_repo(version, repo_url, destination_path):
     try:
@@ -121,18 +128,7 @@ sources += find_end_files("./gpu/append_attn/template_instantiation", ".cu")
 
 cutlass_dir = "third_party/cutlass"
 nvcc_compile_args = gencode_flags
-
-if not os.path.exists(cutlass_dir) or not os.listdir(cutlass_dir):
-    if not os.path.exists(cutlass_dir):
-        os.makedirs(cutlass_dir)
-    clone_git_repo("v3.5.0", "https://github.com/NVIDIA/cutlass.git", cutlass_dir)
-
-json_dir = "third_party/nlohmann_json"
-if not os.path.exists(json_dir) or not os.listdir(json_dir):
-    if not os.path.exists(json_dir):
-        os.makedirs(json_dir)
-    clone_git_repo("v3.11.3", "https://github.com/nlohmann/json.git", json_dir)
-
+update_git_submodule()
 nvcc_compile_args += [
     "-O3",
     "-U__CUDA_NO_HALF_OPERATORS__",