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[CB][FP8] throw error for batch size 1 #467

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Merged
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Sep 18, 2025
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[CB][FP8] throw error for batch size 1 #467

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4 changes: 4 additions & 0 deletions vllm_spyre/platform.py
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,10 @@ def check_and_update_config(cls, vllm_config: VllmConfig) -> None:
if envs_spyre.VLLM_SPYRE_ENABLE_PROMPT_LOGPROBS:
raise ValueError("Prompt logprobs not supported with " \
"continuous batching")
if (vllm_config.model_config.quantization
and vllm_config.scheduler_config.max_num_seqs == 1):
raise ValueError(
"Batch size 1 not supported for fp8 continuous batching.")
else:
# Static batching or embedding model.
# Override --max-num-seqs to the biggest warmup batch size
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