Optimize PyTorch training with the autograd engine

153 · Red Hat · March 3, 2026, 2:05 p.m.
Summary
This article provides an in-depth exploration of PyTorch's autograd engine, detailing how it calculates gradients through the computational graph during training in deep learning models. It explains concepts such as forward and backward passes, memory management, optimization techniques, and advanced topics like gradient accumulation and checkpointing. The post is aimed at enhancing the understanding of the internals of PyTorch for researchers and engineers alike, promoting better practices in optimizing training pipelines.