LangChain Hugging Face Integration: Architecture of the Dedicated Partner Package
A source audit analyzing the langchain-huggingface partner package, evaluating ChatHuggingFace, local pipeline execution, TGI endpoints, and LCEL integration.
Fodev JEO
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Source audits & field notes
LoRA vs Frontier Models: When Specialized 7B Adapters Outperform GPT-4
A source audit analyzing Predibase’s LoRA Land benchmark, evaluating parameter-efficient fine-tuning economics, adapter serving, and task specialization.
Dual-Engine Mechanics of Transformers: Attention and Feedforward Layers
Deconstruct the dual-engine mechanics of Transformers—how self-attention routes contextual tokens across time while feedforward layers act as associative key-value memories.
Self-Attention by Hand: Mathematical Mechanics of Scaled Dot-Product Attention
A step-by-step mathematical source audit of transformer self-attention, covering QKV projections, variance scaling proofs, and modern FlashAttention hardware kernels.
Deconstructing LLaMA 3 Architecture: GQA, SwiGLU, and Tokenizer Scaling
Audit the mathematical architecture of LLaMA 3—from Grouped-Query Attention and SwiGLU feedforward layers to 128K BPE tokenization and RoPE frequency scaling.
Diffusion Transformers (DiT): The Architectural Backbone of Sora and Video Generation
A source audit analyzing Diffusion Transformers (DiT), spacetime patch latent compression, adaptive layer normalization, and video generative scaling laws.
Vector Databases by Hand: Mathematical Foundations of Embeddings and HNSW Indexing
A source audit deconstructing vector databases by hand, evaluating vector embeddings, cosine distance, HNSW graphs, inverted file indexing, and 2026 search engines.
Boids Flocking Algorithm: Multi-Species Dynamics and Emergent Swarm Intelligence
A source audit analyzing Craig Reynolds’ Boids algorithm and Christopher Wolfram’s multi-flock models, evaluating separation, alignment, and cohesion dynamics.
GPT-4o Architecture: Omni-Modal Foundation Models and Low-Latency Native Audio
A source audit analyzing OpenAI’s GPT-4o, evaluating native omni-modal tokenization, end-to-end audio reasoning, vision latency, and 2026 multimodal systems.
The LLM Systems Hierarchy: From Prompt Engineering to Autonomous Agents
A source audit analyzing the 7-tier LLM systems hierarchy, from basic prompting and RAG to persistent memory, tool-calling agents, and fine-tuning.
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