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https://github.com/ml-explore/mlx-examples.git
synced 2025-06-24 17:31:18 +08:00
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
from typing import List
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import model
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import numpy as np
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from transformers import AutoModel, AutoTokenizer
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def run_torch(bert_model: str, batch: List[str]):
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tokenizer = AutoTokenizer.from_pretrained(bert_model)
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torch_model = AutoModel.from_pretrained(bert_model)
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torch_tokens = tokenizer(batch, return_tensors="pt", padding=True)
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torch_forward = torch_model(**torch_tokens)
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torch_output = torch_forward.last_hidden_state.detach().numpy()
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torch_pooled = torch_forward.pooler_output.detach().numpy()
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return torch_output, torch_pooled
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if __name__ == "__main__":
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bert_model = "bert-base-uncased"
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mlx_model = "weights/bert-base-uncased.npz"
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batch = [
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"This is an example of BERT working in MLX.",
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"A second string",
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"This is another string.",
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]
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torch_output, torch_pooled = run_torch(bert_model, batch)
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mlx_output, mlx_pooled = model.run(bert_model, mlx_model, batch)
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assert np.allclose(
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torch_output, mlx_output, rtol=1e-4, atol=1e-5
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), "Model output is different"
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assert np.allclose(
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torch_pooled, mlx_pooled, rtol=1e-4, atol=1e-5
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), "Model pooled output is different"
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print("Tests pass :)")
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