Update README.md
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README.md
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@@ -1786,34 +1786,17 @@ embeddings = finetuner.encode(
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print(finetuner.cos_sim(embeddings[0], embeddings[1]))
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```
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Use directly with
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```python
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import
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from
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def mean_pooling(model_output, attention_mask):
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token_embeddings = model_output[0]
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input_mask_expanded = (
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attention_mask.unsqueeze(-1).expand(token_embeddings.size()).float()
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)
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return torch.sum(token_embeddings * input_mask_expanded, 1) / torch.clamp(
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input_mask_expanded.sum(1), min=1e-9
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)
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sentences = ['how is the weather today', 'What is the current weather like today?']
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with torch.inference_mode():
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encoded_input = tokenizer(
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sentences, padding=True, truncation=True, return_tensors='pt'
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)
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model_output = model.encoder(**encoded_input)
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embeddings = mean_pooling(model_output, encoded_input['attention_mask'])
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```
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print(finetuner.cos_sim(embeddings[0], embeddings[1]))
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```
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Use directly with sentence-transformers:
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```python
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from sentence_transformers import SentenceTransformer
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from sentence_transformers.util import cos_sim
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sentences = ['how is the weather today', 'What is the current weather like today?']
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model = SentenceTransformer('jinaai/jina-embedding-b-en-v1')
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embeddings = model.encode(sentences)
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print(cos_sim(embeddings[0], embeddings[1]))
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```
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