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What you are stating is the original Lottery Ticket Hypothesis. What they prove in this paper is the stronger version, empirically noticed here https://arxiv.or
by nil-sec 7y ago
What you are stating is the original Lottery Ticket Hypothesis. What they prove in this paper is the stronger version, empirically noticed here https://arxiv.org/abs/1905.01067 https://arxiv.org/abs/1905.01067 and referred to as "supermasks". To quote from the paper posted here: "within a sufficiently overparameterized neural network with random weights (e.g. at initialization), there exists a subnetwork that achieves competitive accuracy".
Edit: See also https://arxiv.org/abs/1911.13299 https://arxiv.org/abs/1911.13299
- bonoboTP 7y agoSeems like a "Library of Babel" type of thing. I'd have to read the full paper for how they find the subnets, but their mere existence is not so surprising. There's a huge sea of possible subnetworks. Basically SGD is replaced by whatever procedure you use to traverse the space of parameter subsets. Definitely interesting direction.