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Free 15-part series explains LLM internals with Gemma 4 12B

A 15-part series delves into the inner workings of Large Language Models, using Gemma 4 12B as a practical example. The series covers topics from tokenization and tensor shapes to inference, memory constraints, and fine-tuning techniques like LoRA and QLoRA. It also explores quantization methods, CUDA kernels, FlashAttention, and speculative decoding, providing detailed mathematical explanations and hardware considerations. AI

IMPACT Provides a deep technical understanding of LLM architecture and operation, aiding developers in optimizing and deploying models.

RANK_REASON The item describes a detailed educational series on LLM internals, grounded in a specific model's configuration, which falls under research and educational content. [lever_c_demoted from research: ic=1 ai=1.0]

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Free 15-part series explains LLM internals with Gemma 4 12B

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  1. r/LocalLLaMA TIER_1 English(EN) · /u/Ok_Bug_2845 ·

    I wrote a free 15-part series on LLM internals — real math, real tensor shapes, real hardware constraints. All grounded in Gemma 4 12B's actual config.

    <!-- SC_OFF --><div class="md"><p>If you run open-source models and want to understand what's <em>actually</em> happening under the hood — I spent the last few months writing a 15-part series that covers the full stack from tokenization to production serving.</p> <p>Most articles…