BenchOpt is a benchmarking suite for optimization algorithms. It is built for simplicity, transparency, and reproducibility.


Thomas Moreau

Mathurin Massias

Alexandre Gramfort

Pierre Ablin

Pierre-Antoine Bannier

Benjamin Charlier

Mathieu Dagréou

Tom Dupré la Tour

Ghislain Durif

Cassio F. Dantas

Quentin Klopfenstein

Johan Larsson

En Lai

Tanguy Lefort

Benoit Malézieux

Badr Moufad

Binh T. Nguyen

Alain Rakotomamonjy

Zaccharie Ramzi

Joseph Salmon

Samuel Vaiter


29 November 2022


arXiv, arXiv:2206.13424




BibTeX citation:
  author = {Thomas Moreau and Mathurin Massias and Alexandre Gramfort
    and Pierre Ablin and Pierre-Antoine Bannier and Benjamin Charlier
    and Mathieu Dagréou and Tom Dupré la Tour and Ghislain Durif and
    Cassio F. Dantas and Quentin Klopfenstein and Johan Larsson and En
    Lai and Tanguy Lefort and Benoit Malézieux and Badr Moufad and Binh
    T. Nguyen and Alain Rakotomamonjy and Zaccharie Ramzi and Joseph
    Salmon and Samuel Vaiter},
  publisher = {arXiv},
  title = {Benchopt: Reproducible, Efficient and Collaborative
    Optimization Benchmarks},
  number = {arXiv:2206.13424},
  date = {2022-06-28},
  url = {},
  doi = {10.48550/arXiv.2206.13424},
  langid = {en},
  abstract = {Numerical validation is at the core of machine learning
    research as it allows to assess the actual impact of new methods,
    and to confirm the agreement between theory and practice. Yet, the
    rapid development of the field poses several challenges: researchers
    are confronted with a profusion of methods to compare, limited
    transparency and consensus on best practices, as well as tedious
    re-implementation work. As a result, validation is often very
    partial, which can lead to wrong conclusions that slow down the
    progress of research. We propose Benchopt, a collaborative framework
    to automate, reproduce and publish optimization benchmarks in
    machine learning across programming languages and hardware
    architectures. Benchopt simplifies benchmarking for the community by
    providing an off-the-shelf tool for running, sharing and extending
    experiments. To demonstrate its broad usability, we showcase
    benchmarks on three standard learning tasks: \$\textbackslash
    ell\_2\$-regularized logistic regression, Lasso, and ResNet18
    training for image classification. These benchmarks highlight key
    practical findings that give a more nuanced view of the
    state-of-the-art for these problems, showing that for practical
    evaluation, the devil is in the details. We hope that Benchopt will
    foster collaborative work in the community hence improving the
    reproducibility of research findings.}
For attribution, please cite this work as:
Thomas Moreau, Mathurin Massias, Alexandre Gramfort, Pierre Ablin, Pierre-Antoine Bannier, Benjamin Charlier, Mathieu Dagréou, et al. 2022. “Benchopt: Reproducible, Efficient and Collaborative Optimization Benchmarks.” arXiv.