Post #232249 2.41K Sep 15, 2026, 03:22 UTC Backprop Alternative: Augmented Lagrangian Predictive CodingArticle, Comments Sakana AI Augmented Lagrangian Predictive Coding: training 1000-layer networks without backpropagation A local alternative to backpropagation. PC-ALM trains residual MLPs up to 1000 layers, nearly matching backprop's performance despite using only layer-local dynamics. PC-ALM equips each layer with a feedback control dynamical system that distributes and propagates… 🌭 3