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Quickstart guide

There are two ways in which you can get started with dislib. You can perform a manual installation, or you can download our ready-to-use docker image.

Manual installation

Dependencies

dislib currently requires:

  • PyCOMPSs >= 3.2
  • scikit-learn >= 1.7
  • scipy >= 1.13
  • numpy >= 2.0
  • cvxpy >= 1.4.2
  • cbor2 >= 5.4.0

Some of the examples also require matplotlib and pandas. numpydoc is required to build the documentation. GPU-accelerated algorithms require both PyTorch and CuPy. CuPy must match your CUDA version, so install the right variant for your system (e.g. pip install cupy-cuda12x for CUDA 12). Check the CuPy installation guide for details.

Installation steps

  1. Check which PyCOMPSs version to install.

    • Latest dislib release requires PyCOMPSs 3.2 or greater (check the releases page for information about other releases).

  2. Install PyCOMPSs following these installation instructions.

  3. Install the latest dislib version with pip3 install dislib.

    • IMPORTANT: dislib requires the pycompss Python module. However, this command will NOT install the module automatically. The module should be available after manually installing PyCOMPSs following the instructions in step 2. For more information on this, see issue #190.

  4. You can check that everything works fine by running one of our examples:

    • Download the latest source code from the latest release.

    • Extract the contents of the tar package.

    tar xzvf dislib-X.Y.Z.tar.gz
    • Run an example application.
    runcompss --python_interpreter=python3 dislib-X.Y.Z/examples/kmeans.py

Using docker

1. Install Docker

  1. Follow these instructions:

    Be aware that the docker package has been renamed from docker to docker-ce for some distributions. Make sure you install the new package.

  2. Add the user to the docker group to run dislib as a non-root user.

  3. Check that docker is correctly installed.

    docker --version
docker ps # this should be empty as no docker processes are yet running.

2. Pull the image

docker pull bscwdc/dislib

If you need PyTorch support, use the torch variant instead:

docker pull bscwdc/dislib:torch

3. Running applications

Start an interactive container:

docker run -it --rm -d --name dislib bscwdc/dislib
docker exec -it dislib bash

Inside the container, install any specific dependency required by the application you want to run, for instance:

pip install matplotlib pandas

Run any example using runcompss:

runcompss --python_interpreter=python3 /dislib/examples/rf_iris.py

The log files of the execution can be found at $HOME/.COMPSs inside the container.

4. Running Jupyter notebooks

Clone the COMPSs tutorial apps repository to access more notebooks:

git clone https://github.com/bsc-wdc/tutorial_apps.git

Start a container with port 8888 exposed and your notebooks directory mounted:

docker run -it --rm -p 8888:8888 --name dislib -v "$(pwd)/tutorial_apps":/tutorial_apps bscwdc/dislib
docker exec -it dislib bash

Install Jupyter with pip inside the container and start Jupyter:

pip install jupyter tabulate matplotlib
jupyter-notebook --ip=0.0.0.0 --allow-root /tutorial_apps/python/notebooks/syntax/

Access your notebook by ctrl-clicking or copy-pasting into the browser the link shown in the terminal (e.g. http://127.0.0.1:8888/?token=TOKEN_VALUE).

Finally, choose a notebook to test dislib. For instance:

9_Dislib_demo.ipynb
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