Unverified50% confidenceFactExact time
Constrained decoding applies a mask to the vocabulary at each decoding step, setting the probability of tokens that violate constraints to zero; the mask computation itself has overhead, and complex grammars slow down decoding.
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50%
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Long-term
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10/23/2026
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Related Claims
UnverifiedConstrained decoding masks tokens that do not conform to the grammar at the sampling stage, offering the highest reliability.77% similarUnverifiedThe cost of constrained decoding is a possible slight loss of generation quality, but it has almost no impact on short-output tasks such as classification and scoring.76% similarUnverifiedDecode speed follows weight size because decoding is VRAM-bandwidth-intensive; prefill speed depends on whether the arithmetic precision path can actually reduce computational overhead.76% similarUnverified在代码生成Prompt中，否定性约束（说明不需要什么）能缩小模型搜索空间，比增加期望描述更能提高准确率75% similarUnverifiedVariable length coding brings increased encoding and decoding complexity, and decoding overhead may offset storage gains; the paper does not discuss the degree of hardware friendliness in detail.74% similar
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