开发者用PyTorch手写Transformer自动微分
一名开发者分享了一个最小且自包含的 PyTorch 项目,用手动方式实现 Transformer 分类器的自动微分。作者称,该项目可作为编写自定义反向传播和追踪注意力模块梯度流的实践参考,但现有报告未对其进行独立验证。
据作者介绍,该项目为理解 Transformer 注意力模块中的底层微分与梯度流提供了一个具体实践方式。
I’ve uploaded a minimal, self-contained implementation of manual autograd for a transformer-based classifier in PyTorch. It can help build intuition for what autograd is doing under the hood and is a useful hands-on reference for low-level differentiation in Transformer models, such as writing custom backward passes and tracing how gradients flow through attention blocks.
🐙 GitHub:
https://github.com/ifiaposto/transformer_custom_autograd/tree/main
📓 Colab:
https://colab.research.google.com/drive/1Lt7JDYG44p7YHJ76eRH_8QFOPkkoIwhn
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