33 lines
928 B
Python
33 lines
928 B
Python
"""Make sure ignore_eos works.
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Run `pytest tests/samplers/test_ignore_eos.py`.
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"""
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import pytest
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from vllm import SamplingParams
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# We also test with llama because it has generation_config to specify EOS
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# (past regression).
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MODELS = ["facebook/opt-125m", "meta-llama/Llama-2-7b-hf"]
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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", [512])
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def test_ignore_eos(
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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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vllm_model = vllm_runner(model, dtype=dtype)
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sampling_params = SamplingParams(max_tokens=max_tokens, ignore_eos=True)
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for prompt in example_prompts:
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ignore_eos_output = vllm_model.model.generate(
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prompt, sampling_params=sampling_params)
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output_length = len(ignore_eos_output[0].outputs[0].token_ids)
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assert output_length == max_tokens
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