46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
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"""Compare the outputs of HF and vLLM when using greedy sampling.
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This tests bigger models and use half precision.
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Run `pytest tests/models/test_big_models.py`.
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"""
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import pytest
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MODELS = [
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"meta-llama/Llama-2-7b-hf",
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# "mistralai/Mistral-7B-v0.1", # Broken
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# "Deci/DeciLM-7b", # Broken
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# "tiiuae/falcon-7b", # Broken
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"EleutherAI/gpt-j-6b",
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"mosaicml/mpt-7b",
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# "Qwen/Qwen1.5-0.5B" # Broken,
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]
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@pytest.mark.parametrize("model", MODELS)
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@pytest.mark.parametrize("dtype", ["half"])
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@pytest.mark.parametrize("max_tokens", [32])
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def test_models(
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hf_runner,
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vllm_runner,
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example_prompts,
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model: str,
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dtype: str,
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max_tokens: int,
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) -> None:
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hf_model = hf_runner(model, dtype=dtype)
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hf_outputs = hf_model.generate_greedy(example_prompts, max_tokens)
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del hf_model
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vllm_model = vllm_runner(model, dtype=dtype)
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vllm_outputs = vllm_model.generate_greedy(example_prompts, max_tokens)
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del vllm_model
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for i in range(len(example_prompts)):
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hf_output_ids, hf_output_str = hf_outputs[i]
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vllm_output_ids, vllm_output_str = vllm_outputs[i]
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assert hf_output_str == vllm_output_str, (
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f"Test{i}:\nHF: {hf_output_str!r}\nvLLM: {vllm_output_str!r}")
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assert hf_output_ids == vllm_output_ids, (
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f"Test{i}:\nHF: {hf_output_ids}\nvLLM: {vllm_output_ids}")
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