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Intel® oneAPI Deep Neural Network Developer Guide and Reference

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ID 768875

Date 3/31/2023

Version

Public

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Build from Source

Download the Source Code

Download oneDNN source code or clone the repository.

git clone https://github.com/oneapi-src/oneDNN.git

Build the Library

Ensure that all software dependencies are in place and have at least the minimal supported version.

The oneDNN build system is based on CMake. Use

CMAKE_INSTALL_PREFIX to control the library installation location,
CMAKE_BUILD_TYPE to select between build type (Release, Debug, RelWithDebInfo).
CMAKE_PREFIX_PATH to specify directories to be searched for the dependencies located at non-standard locations.

See Build Options for detailed description of build-time configuration options.

Linux/macOS

GCC, Clang, or Intel oneAPI DPC++/C++ Compiler

Set up the environment for the compiler

Configure CMake and generate makefiles

mkdir -p build
cd build

# Uncomment the following lines to build with Clang
# export CC=clang
# export CXX=clang++

# Uncomment the following lines to build with Intel oneAPI DPC++/C++ Compiler
# export CC=icx
# export CXX=icpx
cmake .. <extra build options>

Build the library
```
make -j
```

Intel oneAPI DPC++/C++ Compiler with SYCL runtime

Set up the environment for Intel oneAPI DPC++/C++ Compiler using the setvars.sh script. The command below assumes you installed to the default folder. If you customized the installation folder, setvars.sh (Linux/macOS) is in your custom folder:
```
source /opt/intel/oneapi/setvars.sh
```

Configure CMake and generate makefiles

mkdir -p build
cd build

export CC=icx
export CXX=icpx

cmake .. \
          -DDNNL_CPU_RUNTIME=SYCL \
          -DDNNL_GPU_RUNTIME=SYCL \
          <extra build options>

NOTE:

Open-source version of oneAPI DPC++ Compiler does not have the icx driver, use clang/clang++ instead. Open-source version of oneAPI DPC++ Compiler may not contain OpenCL runtime. In this case, you can use OPENCLROOT CMake option or environment variable of the same name to specify path to the OpenCL runtime if it is installed in a custom location.

Build the library
```
make -j
```

GCC targeting AArch64 on x64 host

Set up the environment for the compiler

Configure CMake and generate makefiles

export CC=aarch64-linux-gnu-gcc
export CXX=aarch64-linux-gnu-g++
cmake .. \
          -DCMAKE_SYSTEM_NAME=Linux \
          -DCMAKE_SYSTEM_PROCESSOR=AARCH64 \
          -DCMAKE_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib \
          <extra build options>

Build the library
```
make -j
```

GCC with Arm Compute Library (ACL) on AArch64 host

Set up the environment for the compiler

Configure CMake and generate makefiles

export ACL_ROOT_DIR=<path/to/Compute Library>
cmake .. \
          -DDNNL_AARCH64_USE_ACL=ON \
          <extra build options>

Build the library
```
make -j
```

Windows

Microsoft Visual C++ Compiler

Generate a Microsoft Visual Studio solution

mkdir build
cd build
cmake -G "Visual Studio 16 2019" ..

Build the library
```
cmake --build . --config=Release
```

NOTE:

CMake’s Microsoft Visual Studio generator does not respect CMAKE_BUILD_TYPE option. Solution file supports both Debug and Release builds with Debug being the default. You can choose specific build type with --config option.

NOTE:

You can also open oneDNN.sln to build the project from the Microsoft Visual Studio IDE.

Intel oneAPI DPC++/C++ Compiler with SYCL Runtime

Set up the environment for Intel oneAPI DPC++/C++ Compiler using the setvars.bat script. The command below assumes you installed to the default folder. If you customized the installation folder, setvars.bat is in your custom folder:
```
"C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
```
or open Intel oneAPI Commmand Prompt instead.

Configure CMake and generate Ninja project

mkdir build
cd build

:: Set C and C++ compilers
set CC=icx
set CXX=icx
cmake .. -G Ninja -DDNNL_CPU_RUNTIME=SYCL ^
                  -DDNNL_GPU_RUNTIME=SYCL ^
                  <extra build options>

WARNING:

Intel oneAPI DPC++/C++ Compiler on Windows requires CMake v3.23 or later.

WARNING:

Intel oneAPI DPC++/C++ Compiler does not support CMake’s Microsoft Visual Studio generator.

NOTE:

Build the library
```
cmake --build .
```

Validate the Build

If the library is built for the host system, you can run unit tests using:

ctest

Build documentation

Install the requirements

conda env create -f ../doc/environment.yml
conda activate onednn-doc

Build the documentation
```
cmake --build . --target doc
```

Install library

Install the library, headers, and documentation

cmake --build . --target install

The install directory is specified by the CMAKE_INSTALL_PREFIX cmake variable. When installing in the default directory, the above command needs to be run with administrative privileges using sudo on Linux/Mac or a command prompt run as administrator on Windows.

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Intel® oneAPI Deep Neural Network Developer Guide and Reference

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