add README-DCU.rst

README-DCU.rst

+镜像
+============
+
+docker pull harbor.sourcefind.cn:5443/dcu/admin/base/vllm:0.11.0-ubuntu22.04-dtk26.04-py3.10
+
+创建容器
+============
+
+docker run -it --name lightgbm-tlh --privileged --shm-size=256G --cap-add=SYS_PTRACE --security-opt seccomp=unconfined --ulimit memlock=-1:-1 --ipc=host --network host --group-add video --device /dev/kfd --device /dev/dri --device /dev/mkfd -v /opt/hyhal:/opt/hyhal:ro -v /public/tianlh:/workspace  harbor.sourcefind.cn:5443/dcu/admin/base/vllm:0.11.0-ubuntu22.04-dtk26.04-py3.10 /bin/bash
+
+下载仓库
+============
+git clone --recursive xxx.git
+
+环境、脚本准备
+============
+
+cd LightGBM
+git checkout release/4.6.0.99
+pip install scikit_build_core
+修改build-python.sh，148行，改成下方内容
+
+.. code:: bash
+
+        --rocm)
+                BUILD_ARGS="${BUILD_ARGS} --config-setting=cmake.define.USE_ROCM=ON"
+                BUILD_ARGS="${BUILD_ARGS} --config-setting=cmake.define.CMAKE_HIP_COMPILER=dcc"
+        ;;
+
+构建whl
+============
+
+.. code:: bash
+
+        export CMAKE_PREFIX_PATH=/opt/dtk
+        export CMAKE_CXX_COMPILER=hipcc
+        ./build-python.sh bdist_wheel --rocm --no-isolation
+
+安装whl
+============
+
+pip install dist/amd_lightgbm*.whl
+
+验证安装
+============
+
+   .. code-block:: shell
+
+      pip show -v amd_lightgbm
+
+   .. dropdown:: Example output
+
+      .. code-block:: shell-session
+
+          Name: amd_lightgbm
+          Version: 4.6.0.99
+          Summary: ROCm Port of LightGBM Python-package
+         ... [output truncated]
+
+测试程序
+============
+
+   .. code-block:: shell
+
+        hipprof HIP_VISIBLE_DEVICES=0 python lightgbm_test.py
+