Why it matters

Speculative + batching multiplies gains. Understanding shapes advanced serving.

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The architecture

Draft in batch: K tokens per seq.

Verify in batch.

Variable acceptance changes membership.

Spec + batchingDraft K tokensper sequenceVerify batchtarget modelUpdate membershipbased on acceptanceComplex scheduler; potential 2-4x throughput improvement over base
Spec batch.
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How it works end to end

Draft length K per seq.

Verify: parallel forward with tree.

Reject: rewind + continue.