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11 · Mixture of Experts

References

Evaluation of Adaptive Mixtures of Competing Experts — Nowlan & Hinton. NeurIPS 1990.

@inproceedings{nowlan1990evaluation,
  title     = {Evaluation of Adaptive Mixtures of Competing Experts},
  author    = {Nowlan, Steven J. and Hinton, Geoffrey E.},
  booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
  volume    = {3},
  year      = {1990}
}

Adaptive Mixtures of Local Experts — Jacobs, Jordan, Nowlan & Hinton. Neural Computation 3(1), 1991.

@article{jacobs1991adaptive,
  title   = {Adaptive Mixtures of Local Experts},
  author  = {Jacobs, Robert A. and Jordan, Michael I. and Nowlan, Steven J. and Hinton, Geoffrey E.},
  journal = {Neural Computation},
  volume  = {3},
  number  = {1},
  pages   = {79--87},
  year    = {1991}
}

Mixtures-of-Experts — Robert Jacobs. Course handout, University of Rochester, 2008.

@misc{jacobs2008mixtures,
  title        = {Mixtures-of-Experts},
  author       = {Jacobs, Robert A.},
  howpublished = {Handout, Department of Brain and Cognitive Sciences, University of Rochester},
  year         = {2008},
  url          = {https://www2.bcs.rochester.edu/sites/jacobslab/cheat_sheet/mixture_experts.pdf}
}

Outrageously Large Neural Networks: The Sparsely-Gated Mixture-of-Experts Layer — Shazeer et al. ICLR 2017.

@inproceedings{shazeer2017outrageously,
  title     = {Outrageously Large Neural Networks: The Sparsely-Gated Mixture-of-Experts Layer},
  author    = {Shazeer, Noam and Mirhoseini, Azalia and Maziarz, Krzysztof and Davis, Andy
               and Le, Quoc and Hinton, Geoffrey and Dean, Jeff},
  booktitle = {International Conference on Learning Representations (ICLR)},
  year      = {2017},
  eprint    = {1701.06538},
  archivePrefix = {arXiv}
}

GShard: Scaling Giant Models with Conditional Computation and Automatic Sharding — Lepikhin et al. 2020.

@article{lepikhin2020gshard,
  title   = {GShard: Scaling Giant Models with Conditional Computation and Automatic Sharding},
  author  = {Lepikhin, Dmitry and Lee, HyoukJoong and Xu, Yuanzhong and Chen, Dehao and Firat, Orhan
             and Huang, Yanping and Krikun, Maxim and Shazeer, Noam and Chen, Zhifeng},
  journal = {arXiv preprint arXiv:2006.16668},
  year    = {2020},
  eprint  = {2006.16668},
  archivePrefix = {arXiv}
}

Switch Transformers: Scaling to Trillion Parameter Models with Simple and Efficient Sparsity — Fedus, Zoph & Shazeer. JMLR 23, 2022.

@article{fedus2022switch,
  title   = {Switch Transformers: Scaling to Trillion Parameter Models with Simple and Efficient Sparsity},
  author  = {Fedus, William and Zoph, Barret and Shazeer, Noam},
  journal = {Journal of Machine Learning Research},
  volume  = {23},
  year    = {2022},
  eprint  = {2101.03961},
  archivePrefix = {arXiv}
}

ST-MoE: Designing Stable and Transferable Sparse Expert Models — Zoph et al. 2022.

@article{zoph2022stmoe,
  title   = {ST-MoE: Designing Stable and Transferable Sparse Expert Models},
  author  = {Zoph, Barret and Bello, Irwan and Kumar, Sameer and Du, Nan and Huang, Yanping
             and Dean, Jeff and Shazeer, Noam and Fedus, William},
  journal = {arXiv preprint arXiv:2202.08906},
  year    = {2022},
  eprint  = {2202.08906},
  archivePrefix = {arXiv}
}

Mixtral of Experts — Jiang et al. 2024.

@article{jiang2024mixtral,
  title   = {Mixtral of Experts},
  author  = {Jiang, Albert Q. and others},
  journal = {arXiv preprint arXiv:2401.04088},
  year    = {2024},
  eprint  = {2401.04088},
  archivePrefix = {arXiv}
}

learning-ai.cafe

Mixture of Experts

Activating only the necessary parameters, and managing the load-balancing challenges of dynamic routing.

  1. 01 The Layer That Reads Everything
  2. 02 Committee or Competition
  3. 03 Compute You Can Skip
  4. 04 A Decision With No Label
  5. 05 Fixed Buffers, Dropped Tokens
  6. 06 Teaching the Router to Share
  7. 07 Who Chooses Whom
  8. 08 Collapse, and Its Three Meanings
  9. 09 What an Expert Turns Out to Be
  10. 10 More Than One Kind of Input
  11. 11 References

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