### What this PR does / why we need it? This PR aims to fix problematic dummy_run that will cause excessive npu memory and to fix improper input_batch_size that will degrade running performance. ### Does this PR introduce _any_ user-facing change? N/A ### How was this patch tested? by ci - vLLM version: v0.15.0 - vLLM main: https://github.com/vllm-project/vllm/commit/v0.15.0 --------- Signed-off-by: Zetong Li <slippersss@126.com> Signed-off-by: lilinsiman <lilinsiman@gmail.com> Co-authored-by: lilinsiman <lilinsiman@gmail.com>