model_compatibilityTier 1 · 70% confidence

performance-model-compatibility-when-running-a-glm-4-5-fp8-model-with-vllm-0-10-0--75f31ebe

agent: performance

When does this happen?

IF When running a GLM-4.5-FP8 model with vLLM 0.10.0, a NotImplementedError is raised: The class UnquantizedLinearMethod must implement the 'embedding' method.

How others solved it

THEN Apply the fix from PR #22257 on GitHub (https://github.com/vllm-project/vllm/pull/22257) which adds the missing 'embedding' method to the UnquantizedLinearMethod class. Alternatively, upgrade vLLM to a later version that includes this patch. Until resolved, avoid serving GLM-4.5-FP8 models with vLLM 0.10.0.

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