Language Models: Inference Processes and KV-Cache Structure

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jueves, 7 de agosto de 2025 • 1 min read • Q2BSTUDIO Team

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The inference process of large language models is divided into a prefill phase, where the model incorporates initial embeddings and generates internal representations, and a decode phase, where through autoregressive attention it produces each new token leveraging stored keys and values

The transformer architecture is based on self-attention blocks, multi-head attention mechanisms, feed forward networks, and normalization layers that capture complex relationships in text, ensuring efficiency and scalability

The KV cache stores, for each layer and each past token, the key and value matrices, optimizing performance during the decode phase, avoiding unnecessary recalculations, and accelerating real-time response generation

Our AI solutions for businesses include custom AI agents that rely on this inference process and KV cache to deliver fluid and contextual interactions, improving productivity and user experience

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