vllm

5b6fe23d - [Bugfix][Benchmark] Make sure the output length > 0 when testing prefill workload. (#20786)

[Bugfix][Benchmark] Make sure the output length > 0 when testing prefill workload. (#20786) Signed-off-by: KuntaiDu <kuntai@uchicago.edu> Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>