Prefill Vs Decode Explained Two Completely Different Stages

Summary

Your model runs twice for every request you send it. Same weights, same GPU, same line of code, and the Why does your GPU hit 100% utilization during Inference is not one single process. This lesson breaks down its LLMs can process a long prompt quickly, but generating a long answer takes much more time. Because LLM inference happens ... In this video, we break down the Video 1 of 6 | Mastering LLM Techniques: Inference Optimization. In this episode we break down the Learn how AI language models process your prompts in me: X: x.com/calebfoundry LinkedIn: linkedin.com/in/calebeom/ TikTok: ... Ready to become a certified watsonx AI Assistant Engineer? Register now and use code IBMTechYT20 for 20% off of your exam ... Ever wondered what happens inside an LLM after you submit a prompt? In this video, we break down LLM Inference, focusing on ... Why are your expensive GPUs sitting idle while your text generation maxes out? In this Visualization demo for MICRO'2026 Paper: how to schedule operators on NPU-PIM heterogeneous computing platforms.