{
  "context": "This evaluation assesses how well the engineer uses vLLM's SamplingParams class to control text generation behavior. The focus is on proper usage of sampling parameters including temperature, top_p, top_k, penalties, multiple completions (n parameter), seed for reproducibility, and max_tokens for length control.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "LLM Initialization",
      "description": "Uses vLLM's LLM class to initialize the model, passing the model name/path to the constructor",
      "max_score": 10
    },
    {
      "name": "SamplingParams Import",
      "description": "Imports and uses the SamplingParams class from vLLM to configure generation parameters",
      "max_score": 10
    },
    {
      "name": "Default Generation",
      "description": "Implements greedy decoding by setting temperature=0 in SamplingParams for deterministic generation in generate_default function",
      "max_score": 15
    },
    {
      "name": "Temperature Parameter",
      "description": "Uses the temperature parameter in SamplingParams to control randomness in generate_creative function",
      "max_score": 15
    },
    {
      "name": "Top-p Parameter",
      "description": "Uses the top_p parameter in SamplingParams for nucleus sampling in generate_creative function",
      "max_score": 15
    },
    {
      "name": "Multiple Completions",
      "description": "Uses the n parameter in SamplingParams to generate multiple completions per prompt in generate_multiple function",
      "max_score": 15
    },
    {
      "name": "Seed Parameter",
      "description": "Uses the seed parameter in SamplingParams for reproducible generation in generate_reproducible function",
      "max_score": 10
    },
    {
      "name": "Max Tokens",
      "description": "Uses the max_tokens parameter in SamplingParams to control output length",
      "max_score": 5
    },
    {
      "name": "Generation Method",
      "description": "Calls LLM.generate() method with prompts and SamplingParams to produce outputs",
      "max_score": 5
    }
  ]
}