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Linear Layers and Activation Functions in Transformer Models

Attention operations are the signature of transformer models, but they are not the only building blocks. Linear layers and activation functions are equally essential. In this post, you will learn about: Why linear layers and activation functions enable non-linear transformations The typical design of feed-forward networks in transformer models Common activation functions and their characteristics […]

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LayerNorm and RMS Norm in Transformer Models

Normalization layers are crucial components in transformer models that help stabilize training. Without normalization, models often fail to converge or behave poorly. This post explores LayerNorm, RMS Norm, and their variations, explaining how they work and their implementations in modern language models. Let’s get started. Overview This post is divided into five parts; they are: […]

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A Gentle Introduction to Attention Masking in Transformer Models

Attention mechanisms in transformer models need to handle various constraints that prevent the model from attending to certain positions. This post explores how attention masking enables these constraints and their implementations in modern language models. Let’s get started. Overview This post is divided into four parts; they are: Why Attention Masking is Needed Implementation of […]

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Converting Pandas DataFrames to PyTorch DataLoaders for Custom Deep Learning Model Training

Pandas DataFrames are powerful and versatile data manipulation and analysis tools. While the versatility of this data structure is undeniable, in some situations — like working with PyTorch — a more structured and batch-friendly format would be more efficient and better suited for training deep learning models, in which case the DataLoader class stands out […]

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A Gentle Introduction to Multi-Head Attention and Grouped-Query Attention

Language models need to understand relationships between words in a sequence, regardless of their distance. This post explores how attention mechanisms enable this capability and their various implementations in modern language models. Let’s get started. Overview This post is divided into three parts; they are: Why Attention is Needed The Attention Operation Multi-Head Attention (MHA) […]

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