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Build oneDNN
This page will help you build the oneDNN repository from source.
You will need to set up your build environment. Please read Build with DPCPlusPlus to set up the clang compiler. It will be required for you to build each of the libraries. The instructions assumes that you are either building into a ubuntu 20.04 container, bare metal or in a VM.
The instructions assume a build for CPUs only and not GPUs.
Building oneDNN is fairly straight forward. Start with cloning the repository:
git clone https://github.com/oneapi-src/oneDNN
once the clone completes, you will need to create a build directory.
mkdir build
cd build
Next we will need to make sure that we have all the pre-requisites installed to do the build. At this point, we should have already built the pre-requisites. The only one is making sure that CMake and make is installed. These should already be installed if you followed the clang++ build setup.
sudo apt-get install cmake
Now you can build oneDNN. You should still be inside the 'build' sub-directory. Now execute:
$ cmake ..
Once that command is complete. Type:
$ make
The build should complete without any issues. Please file an issue if this is not the case.
run
$ make test
To test that everything passes.
You've successfully completed a build of oneDNN.
Look at the example code to see how to use it. You'll need to set the appropriate library paths so that the compiler can find the libraries.