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> if the temperature is fixed at a value where the top logit is always picked, then because they weights are fixed, the exact same input should produce the exact same output. Am I missing something?

Yes.

Your input is part of a batch, and you don't know where in the batch it is. By default batches are not invariant and VLLM only supports invariance at all on some Huwaei Ascend hardware.

See https://docs.vllm.ai/projects/ascend/en/latest/user_guide/fe...



I totally missed the memo on batching. That changes everything. Thank you for the info.




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