text: Title: Export  torch script with dynamic batch , nms  and FP16
  Body: ### Search before asking
  
  - [x] I have searched the Ultralytics [issues](https://github.com/ultralytics/ultralytics/issues) and found no similar feature requests.
  
  
  ### Description
  
  I want to get this model for Triton Server with pytorch backend
  
  ### Use case
  
  _No response_
  
  ### Additional
  
  _No response_
  
  ### Are you willing to submit a PR?
  
  - [ ] Yes I'd like to help by submitting a PR!