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What is GPU?

A plain-English explanation of GPU (Graphics Processing Unit) — what it means, why it matters, and how it is used in AI.

GPU
Graphics Processing Unit
A GPU (Graphics Processing Unit) is a specialised chip originally designed for rendering graphics that has become the primary hardware for training and running AI models.
"Training a large language model requires running thousands of NVIDIA H100 GPUs continuously for months."

Also known as: GPU, graphics card, accelerator

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Why does GPU matter?

GPUs are the fundamental hardware resource for AI training and inference.

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