Speculative decoding: 3x faster LLM serving with a draft-and-verify path
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vllm
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tensorrt-llm
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huggingface-transformers
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speculative-decoding
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llm-inference
Speculative decoding runs a small draft model to propose tokens and uses the main model to verify them, keeping outputs identical to baseline while cutting latency. Expect up to ~3x speedups when the draft model’s proposals have high acceptance; tune draft size and propose steps to hit the sweet spo...