Compare trtllm-bench and vllm-bench differences

### 🚀 Feature Description and Motivation

https://nvidia.github.io/TensorRT-LLM/performance/performance-tuning-guide/benchmarking-default-performance.html

trtllm repo uses `trtllm-bench` in the benchmark, let's compare with vllm-bench tools to check any differences.

### Use Case

to get aligned on the performance numbers and tools

### Proposed Solution

_No response_