VRAM is the fast memory attached to a GPU. The model's weights and its temporary computations must fit inside it; exceed the limit and the model will not load. Quantization shrinks weights specifically to fit larger models into smaller VRAM.

Book cover: AI for Video, Volume 7 of the Fora Soft Video Engineering Handbook

The book · Volume 7 of 7

AI for Video: A Complete Guide to Intelligence in Video Products: From Real-Time Pipelines and Agents to Serving, Cost, Compliance, and Verticals

VRAM is usually the first hard limit a video AI team hits: the model does not fit, or it fits but batching does not. Volume 7 covers VRAM in detail within serving and infrastructure: GPU sizing, quantization and distillation for smaller memory, batching in vLLM and Triton, and the cost per stream-hour. Written by Nikolay Sapunov, CEO at Fora Soft.

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