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Synopsys Caffe

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Synopsys Caffe is a modified version of the popular Caffe Deep Learning framework adapted for use with DesignWare EV Family of Processors. It combines multiple customized branches and includes a large range of patches to support diverse models. See for a short overview.


Please check out the prerequisites and read the detailed notes at the BVLC Caffe Installation if this is your first time to install Caffe.


If you use Ubuntu, you can refer to the detailed guideline if you want to install the whole EV CNN environment with all the dependencies.

A simple guide:

  1. Ensure that you have all the dependencies mentioned at the BVLC Caffe Installation for your OS installed (protobuf, leveldb, snappy, opencv, hdf5-serial, protobuf-compiler, BLAS, Python, CUDA etc.)
  2. Also Install matio in your environment. After that, add [your installed matio path]/lib to the LD_LIBRARY_PATH.
export LD_LIBRARY_PATH=[your installed matio path]/lib:${LD_LIBRARY_PATH}
  1. Checkout the Synopsys Caffe master branch. Configure the build by copying and modifying the example Makefile.config for your setup.
git clone
cd synopsys-caffe
cp Makefile.config.example Makefile.config
# Modify Makefile.config to suit your needs, e.g. enable/disable the CPU-ONLY, CUDNN, NCCL and set the path for CUDA, Python and BLAS.
# If needed, add [your installed matio path]/include to INCLUDE_DIRS and [your installed matio path]/lib to LIBRARY_DIRS.
  1. Build Caffe and run the tests.
make all
make pycaffe
make test
make runtest
# If no error occurs, you can add the caffe path to the environment for easy use.
export SYNOPSYS_CAFFE_HOME=[your synopsys-caffe root folder path]
export PATH=${SYNOPSYS_CAFFE_HOME}/build/tools:${PATH}


A simple guide:

  1. Download the Visual Studio 2015 Update 3 (Do not use the VS 2017, it is not supported!). Choose to install the support for visual C++ instead of applying the default settings.
  2. Install the CMake 3.4 or higher. Install Python 2.7 or 3.5/3.6. Add cmake.exe and python.exe to your PATH.
  3. After installing the Python, please open a cmd prompt and use pip install numpy to install the numpy package.
  4. Checkout the Synopsys Caffe master branch for build. The windows branch is deprecated, please do not use it. We use C:\Projects as the current folder for the following instructions.
  5. Edit any of the options inside synopsys-caffe\scripts\build_win.cmd to suit your needs, such as settings for Python version, CUDA/CuDNN enabling etc.
C:\Projects> git clone
C:\Projects> cd synopsys-caffe
C:\Projects\synopsys-caffe> scripts\build_win.cmd
:: If no error occurs, the caffe.exe will be created at C:\Projects\synopsys-caffe\build\tools\Release after a successful build.

Other detailed installation instructions can be found here.

Reference for different Distributions

Synopsys Caffe supports the features introduced in following customized branches. Here are some links to the original demos, tutorials and models usage: