随着生成式AI(genAI)模型在应用范围和模型规模方面的持续扩展,其训练和部署所需的计算资源及相关成本也呈现显著增长趋势,模型优化对于提升运行时性能和降低运营成本变得尤为关键。作为现代genAI系统核心组件的Transformer架构及其注意力机制,由于其 ...
本文深入探讨Transformer模型中三种关键的注意力机制:自注意力、交叉注意力和因果自注意力。这些机制是GPT-4、Llama等大型语言模型(LLMs)的核心组件。通过理解这些注意力机制,我们可以更好地把握这些模型的工作原理和应用潜力。 我们不仅会讨论理论概念 ...
Deep learning continues to be one of the hottest fields in computing, and while Google’s TensorFlow remains the most popular framework in absolute numbers, Facebook’s PyTorch has quickly earned a ...
Learn how to create a simple neural network, and a more accurate convolutional neural network, with the PyTorch deep learning library PyTorch is a Python-based tensor computing library with high-level ...