Скачать или смотреть UD25 | LLMs Without HPC? Good Luck! — Andres Algaba (VUB)

Recorded presentation from VSC User Day 2025

In this talk, Andres Algaba (Vrije Universiteit Brussel) explains why large language models (LLMs) fundamentally depend on high-performance computing infrastructure.

The presentation covers:

What large language models are and how next-token prediction works
Why scaling data, parameters, and compute directly increases model capabilities
The role of reinforcement learning and reasoning tokens in modern LLMs
Why inference workloads require massive parallelism and GPU memory
How batching, large contexts, and KV-caching drive hardware requirements
Why demand for HPC resources continues to increase with LLM research and applications

This talk is based on real research conducted at the VUB Data Analytics Lab and includes concrete examples of LLM inference workloads, GPU memory usage, and emerging research directions in interpretability, reasoning, and scientific impact.

VSC User Day 2025 – Event Highlights
All insights from VSC User Day 2025 are collected on the official event page, including key highlights, recorded presentations, lightning talks, and additional resources shared during the event.
👉https://www.vscentrum.be/ud25

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About VSC
The Vlaams Supercomputer Centrum (VSC) is a partnership between the five Flemish universities and their university associations. VSC brings together expertise in scientific and technical computing and provides infrastructure, training, and services to support research and innovation in Flanders. It promotes the use and added value of high-performance computing across academia and industry