Why Traditional RAG Fails at Multi-Hop Reasoning (And My Journey Building a GraphRAG Fix)
Shalem Raju S
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9 posts published so far
The Final Assembly: Building the Complete Transformer from Scratch in PyTorch
Shalem Raju S
Putting the Pieces Together: Building the Transformer Decoder Block in PyTorch
Shalem Raju S
Decoding the Decoder: Masked Self-Attention and Cross-Attention in PyTorch
Shalem Raju S
Completing the Transformer Encoder: Add & Norm and the Feed-Forward Layer
Shalem Raju S
Unlocking Multi-Head Attention: A Tensor-by-Tensor PyTorch Guide
Shalem Raju S
How Words Become Math: Building the Transformer Embedding Layer in PyTorch
Shalem Raju S
Demystifying Positional Encoding in PyTorch: A Tensor-by-Tensor Walkthrough
Shalem Raju S
How Machines Learned Meaning: The Evolution of Embeddings (2000–2026)
Shalem Raju S