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Workshop

Workshop on Decentralized and Collaborative Learning

Binhang Yuan · Beidi Chen · Virginia Smith · Ce Zhang · Christopher Re

Room 247

Thu 8 Jun, 5:45 a.m. PDT

Machine learning models, especially large language models such as GPT-3 and generative models for image
synthesis tasks such as Stable Diffusion, are primarily trained in a centralized data center today, with thousands of
GPUs lasting for weeks, if not months. The inference process of these models is also not cheap — given their
staggering size, these models are also often served with expensive cutting-edge GPUs hosted in a centralized data
center. Such a centralized paradigm is not only expensive but also greatly limits the accessibility to the rest of the
research community. Inspired by the great success of volunteer computing and federated learning projects such as
SETI@Home, Folding@Home, and FedML, making machine learning decentralized and collaborative can be a
promising alternative to this centralized paradigm. If we could exploit globally geo-distributed GPUs/edge devices
that are under-utilized, we would share one of the most powerful “supercomputers” in the world and potentially use
them for the next generation of open models!
In recent years, there has been significant progress in decentralized and collaborative learning. This includes new
theoretical and algorithmic developments (e.g., [1, 2, 3, 4]), and practical deployments including Training
Transformer Together [5] and Petals [6]. Together with recent advancements in cryptography, secure computation,
and blockchain technology, we see a path to realizing this decentralized vision for machine learning!
However, there are still many challenging technical problems in front of us, including (1) efficient training and
inference over slow networks, (2) practical verification over untrusted devices, (3) providing privacy and security
guarantees, (4) developing incentive mechanisms, and (5) real-world deployment on blockchains. Tackling these
challenges requires expertise and collaboration from many different communities, not only from machine learning,
systems, security, and privacy, but also from economics, blockchain, and Web3. This workshop aims to bring
leading experts from these different communities together, discuss how these areas can come together to enable a
decentralized learning paradigm, and lay out important directions for future work and concrete cross-community
collaborations.
The topic of this workshop includes but is not limited to:
● New algorithms for decentralized and collaborative learning
● Communication-efficient learning algorithms
● System design and optimizations for decentralized learning
● Learning over untrusted and potentially malicious devices
● Verification of computation in the context of decentralized learning
● Mechanism design and implementation for decentralized learning
● Incentive schemes, e.g., environment, economy, accessibility, for collaborative learning
● Security and privacy for decentralized learning
● Blockchain and Web3 technology for decentralized learning

Chat is not available.
Timezone: America/Los_Angeles

Schedule