ALTER jointly learns layer pruning masks and timestep-to-expert routing for diffusion UNets, cutting MACs to 26% of the 50-step baseline while keeping FID and CLIP scores near parity.
Score-based generative modeling through stochastic evolution equations in hilbert spaces
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ALTER: All-in-One Layer Pruning and Temporal Expert Routing for Efficient Diffusion Generation
ALTER jointly learns layer pruning masks and timestep-to-expert routing for diffusion UNets, cutting MACs to 26% of the 50-step baseline while keeping FID and CLIP scores near parity.