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19 lines
1.0 KiB
Markdown
19 lines
1.0 KiB
Markdown
---
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title: Engine Arguments
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---
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[](){ #engine-args }
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Engine arguments control the behavior of the vLLM engine.
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- For [offline inference][offline-inference], they are part of the arguments to [LLM][vllm.LLM] class.
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- For [online serving][openai-compatible-server], they are part of the arguments to `vllm serve`.
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You can look at [EngineArgs][vllm.engine.arg_utils.EngineArgs] and [AsyncEngineArgs][vllm.engine.arg_utils.AsyncEngineArgs] to see the available engine arguments.
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However, these classes are a combination of the configuration classes defined in [vllm.config][]. Therefore, we would recommend you read about them there where they are best documented.
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For offline inference you will have access to these configuration classes and for online serving you can cross-reference the configs with `vllm serve --help`, which has its arguments grouped by config.
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!!! note
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Additional arguments are available to the [AsyncLLMEngine][vllm.engine.async_llm_engine.AsyncLLMEngine] which is used for online serving. These can be found by running `vllm serve --help`
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