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README.Makefile.md

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Makefile and Installation Setup

NNI uses GNU make for building and installing.

The Makefile offers standard targets build, install, and uninstall, as well as alternative installation targets for different setup:

  • easy-install: target for non-expert users, which handles everything automatically;
  • dev-easy-install: target for developer users, which handles everything automatically;
  • install: target for NNI normal users, which installs NNI by copying files;
  • dev-install: target for NNI contributors, which installs NNI as symlinks instead of copying files;
  • pip-install: target in favor of setup.py;

The targets will be detailed later.

Dependencies

NNI requires at least Node.js, Yarn, and pip to build, while TypeScript is also recommended.

NNI requires Node.js, and all dependency libraries to run. Required Node.js libraries (including TypeScript) can be installed by Yarn, and required Python libraries can be installed by setuptools or PIP.

For NNI users, make install-dependencies can be used to install Node.js and Yarn. This will install Node.js to NNI's installation directory, and install Yarn to /tmp/nni-yarn. This target requires wget to work.

For NNI developers, it is recommended to install Node.js and Yarn manually. See their official sites for installation guide.

Building NNI

Simply run make when dependencies are ready.

Installation

Directory Hierarchy

The main parts of NNI project consist of two Node.js modules (nni_manager, webui) and two Python packages (nni, nnictl).

By default the Node.js modules are installed to /usr/share/nni for all users or installed to ~/.local/nni for current user.

The Python packages are installed with setuptools and therefore the location depends on Python configuration. When install as non-priviledged user and virtualenv is not detected, --user flag will be used.

In addition, nnictl offers a bash completion scripts, which will be installed to /usr/share/bash-completion/completions or ~/.bash_completion.d.

In some configuration, NNI will also install Node.js to /usr/share/nni.

All directories mentioned above are configurable. See next section for details.

Configuration

The Makefile uses environment variables to override default settings.

Available variables are listed below:

Name Description Default for normal user Default for root
BIN_PATH Path for executables ~/.local/bin /usr/bin
INSTALL_PREFIX Path for Node.js modules (a suffix nni will be added) ~/.local /usr/share
BASH_COMP_SCRIPT Path of bash completion script ~/.bash_completion.d/nnictl /usr/share/bash-completion/completions/nnictl
PIP_MODE Arguments for python3 setup.py install --user if VIRTUAL_ENV not set (empty)
NODE_PATH Path to install Node.js runtime $INSTALL_PREFIX/nni/node $INSTALL_PREFIX/nni/node
YARN_PATH Path to install Yarn /tmp/nni-yarn /tmp/nni-yarn
NODE Node.js command see source file see source file
YARN Yarn command see source file see source file

Note that these variables will influence installation destination as well as generated nnictl and nnimanager scripts. If the path to copy files is different from where they will run (e.g. when creating a distro package), please generate nnictl and nnimanager manually.

Targets

The workflow of each installation targets is listed below:

Target Workflow
easy-install Install dependencies, build, install NNI, and edit ~/.bashrc
dev-easy-install Install dependencies, build, install NNI as symlinks, and edit ~/.bashrc
install Install Python packages, Node.js modules, NNI scripts, and examples
dev-install Install Python and Node.js modules as symlinks, then install scripts
pip-install Install dependencies, build, install NNI excluding Python packages

TODO

  • clean target
  • test target
  • lint target
  • Test cases for each target
  • Review variables