50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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"""Compare the outputs of HF and vLLM for Granite models using greedy sampling.
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Run `pytest tests/models/test_granite.py`.
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"""
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import importlib.metadata
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import pytest
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from .utils import check_logprobs_close
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TRANSFORMERS_VERSION = tuple(
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map(int,
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importlib.metadata.version("transformers").split(".")))
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MODELS = [
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"ibm/PowerLM-3b",
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]
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# GraniteForCausalLM will be in transformers >= 4.45
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@pytest.mark.skipif(TRANSFORMERS_VERSION < (4, 45),
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reason="granite model test requires transformers >= 4.45")
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@pytest.mark.parametrize("model", MODELS)
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@pytest.mark.parametrize("dtype", ["bfloat16"])
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@pytest.mark.parametrize("max_tokens", [64])
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@pytest.mark.parametrize("num_logprobs", [5])
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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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num_logprobs: int,
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) -> None:
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# TODO(sang): Sliding window should be tested separately.
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with hf_runner(model, dtype=dtype) as hf_model:
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hf_outputs = hf_model.generate_greedy_logprobs_limit(
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example_prompts, max_tokens, num_logprobs)
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with vllm_runner(model, dtype=dtype) as vllm_model:
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vllm_outputs = vllm_model.generate_greedy_logprobs(
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example_prompts, max_tokens, num_logprobs)
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check_logprobs_close(
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outputs_0_lst=hf_outputs,
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outputs_1_lst=vllm_outputs,
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name_0="hf",
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name_1="vllm",
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)
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