Surrogate Lagrangian Relaxation: A Path to Retrain-Free Deep Neural Network Pruning
Shanglin Zhou,
Mikhail A. Bragin,
Deniz Gurevin
et al.
Abstract:Network pruning is a widely used technique to reduce computation cost and model size for deep neural networks. However, the typical three-stage pipeline, i.e., training, pruning, and retraining (fine-tuning), significantly increases the overall training time. In this paper, we develop a systematic weight-pruning optimization approach based on Surrogate Lagrangian relaxation (SLR), which is tailored to overcome difficulties caused by the discrete nature of the weight-pruning problem. We further prove that our m… Show more
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