Script for building llama.cpp under Windows for ROCm

clean_rebuild_llama_cpp.bat

REM execute via VS native tools command line prompt
REM make sure to clone the repo first, put this script next to the repo dir
REM this script is configured for building llama.cpp w/ ROCm support
REM for a system with Ryzen 9 5900X and RX 7900XT.
REM Unless you have the exact same setup, you may need to change some flags
REM and/or strings here.

set AMDGPU_TARGETS="gfx1100"
set HSA_OVERRIDE_GFX_VERSION="11.0.0"
set ROCM_VERSION="6.1.2"
set USE_ROCM=1
set ROCM_PATH=%HIP_PATH%
set CMAKE_MODULE_PATH=%HIP_PATH%cmake;%CMAKE_MODULE_PATH%
set CMAKE_PREFIX_PATH=%ROCM_PATH%;%CMAKE_PREFIX_PATH%
set PATH=%ROCM_PATH%bin;%PATH%
set LLAMA_CPP_PYTHON_VENV_PATH=%USERPROFILE%\.llama.cpp.venv

call %LLAMA_CPP_PYTHON_VENV_PATH%\Scripts\activate.bat
cd %HOMEPATH%\.llama.cpp
git clean -xddf
git pull
git submodule update --recursive
git lfs pull

REM update Python dependencies
python -m pip install --upgrade pip setuptools wheel
python -m pip install --upgrade sentencepiece transformers protobuf torch

REM you may want to enable CCACHE, i don't want it.
cmake -S . -B build -G Ninja^
    -DCMAKE_BUILD_TYPE=Release^
    -DCMAKE_CXX_COMPILER=clang++^
    -DCMAKE_C_COMPILER=clang^
    -DLLAMA_BUILD_TESTS=OFF^
    -DLLAMA_BUILD_EXAMPLES=ON^
    -DLLAMA_BUILD_SERVER=ON^
    -DLLAMA_STANDALONE=ON^
    -DLLAMA_CURL=OFF^
    -DGGML_CCACHE=OFF^
    -DGGML_NATIVE=ON^
    -DGGML_LTO=ON^
    -DGGML_OPENMP=ON^
    -DAMDGPU_TARGETS=%AMDGPU_TARGETS%^
    -DGGML_HIPBLAS=ON^
    -DGGML_CUDA_FORCE_DMMV=ON^
    -DGGML_CUDA_FORCE_CUBLAS=ON
cmake --build build --config Release --parallel 24