[Speculative decoding 2/9] Multi-step worker for draft model #2424
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cadedaniel
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…m-multi-step-worker-pr
cadedaniel
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This was referenced Jan 22, 2024
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This PR implements the worker which contains the draft model in speculative decoding. See #2188 and the speculative decoding open sourcing plan for more info. This is contributed by Anyscale.
The MultiStepWorker extends the vanilla Worker class and augments
execute_modelto invoke the underlying model multiple times in a single scheduling iteration. To work end-to-end in vLLM, it requires that the scheduler support scheduling >1 token per scheduling iteration. That will come in a future PR.