ModelRefs / Distributed Inference — AI Glossary

Distributed Inference — AI Glossary

Running a single model inference across multiple GPUs to fit large models or improve throughput beyond a single device's capacity.

Overview

For models exceeding single-GPU VRAM, distributed inference splits weights using tensor parallelism, pipeline parallelism, or both. Tools: vLLM (tensor parallel), DeepSpeed-Inference, TensorRT-LLM. Communication overhead (all-reduce, P2P transfers) constrains scaling efficiency, making NVLink or InfiniBand interconnects critical.

Reference details

Topicinference
Last reviewed2026-06-24

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Frequently asked questions

What is Distributed Inference?

Running a single model inference across multiple GPUs to fit large models or improve throughput beyond a single device's capacity.

What concepts are related to Distributed Inference?

Closely related concepts include pipeline parallelism, model parallelism, gpu memory.