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license: mit
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---
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license: mit
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---
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---
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# For reference on model card metadata, see the spec: https://github.com/huggingface/hub-docs/blob/main/modelcard.md?plain=1
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# Doc / guide: https://huggingface.co/docs/hub/model-cards
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{}
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---
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# intel-optimized-model-for-embeddings-v1
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This is a text embedding model model: It maps sentences & paragraphs to a 512 dimensional dense vector space and can be used for tasks like clustering or semantic search. For sample code that uses this model in a torch serve container see [Intel-Optimized-Container-for-Embeddings](https://github.com/intel/Intel-Optimized-Container-for-Embeddings).
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## Usage
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Install the required packages:
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```
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pip install -U torch==2.3.1+cpu --extra-index-url https://download.pytorch.org/whl/cpu
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pip install -U transformers==4.42.4 intel-extension-for-pytorch==2.3.100
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```
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Use the following example below to load the model with the transformers library, tokenize the text, run the model, and apply pooling to the output.
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```
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# example embedding code
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import torch
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from transformers import AutoTokenizer, AutoModel
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import intel_extension_for_pytorch as ipex
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# load model
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tokenizer = AutoTokenizer.from_pretrained('Intel/intel-optimized-model-for-embeddings-v1')
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model = AutoModel.from_pretrained('Intel/intel-optimized-model-for-embeddings-v1', torchscript=True)
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model.eval()
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# do IPEX optimization
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batch_size = 1
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seq_length=512
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vocab_size = model.config.vocab_size
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sample_input = {"input_ids": torch.randint(vocab_size, size=[batch_size, seq_length]),
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"token_type_ids": torch.zeros(size=[batch_size, seq_length],
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dtype=torch.int),
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"attention_mask": torch.randint(1, size=[batch_size, seq_length])}
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text = "This is a test."
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model = ipex.optimize(model, level="O1",auto_kernel_selection=True,
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conv_bn_folding=False, dtype=torch.bfloat16)
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with torch.no_grad(), torch.cpu.amp.autocast(cache_enabled=False,
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dtype=torch.bfloat16):
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# Compile model
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model = torch.jit.trace(model, example_kwarg_inputs=sample_input,
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check_trace=False, strict=False)
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model = torch.jit.freeze(model)
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# Call model
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tokenized_text = tokenizer(text, padding=True, truncation=True, return_tensors='pt')
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model_output = model(**tokenized_text)
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# Do mean pooling
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token_embeddings = model_output[0]
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attention_mask = tokenized_text['attention_mask']
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input_mask_expanded = attention_mask.unsqueeze(-1).expand(token_embeddings.size()).float()
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output_sum = torch.sum(token_embeddings * input_mask_expanded, 1)
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embeddings = output_sum / torch.clamp(input_mask_expanded.sum(1), min=1e-9)
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embeddings = [embeddings[0].tolist()]
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# Embeddings output
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print(embeddings)
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```
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## Model Details
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### Model Description
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This model was fine-tuned using the [sentence-transformers](https://github.com/UKPLab/sentence-transformers) library based on the [BERT-Medium_L-8_H-512_A-8](https://huggingface.co/nreimers/BERT-Medium_L-8_H-512_A-8) model.
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### Training Datasets
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| Dataset | Description | License |
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| ------------- |:-------------:| -----:|
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| beir/dbpedia-entity | DBpedia-Entity is a standard test collection for entity search over the DBpedia knowledge base. | CC BY-SA 3.0 license |
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| beir/nq | To help spur development in open-domain question answering, the Natural Questions (NQ) corpus has been created, along with a challenge website based on this data. | CC BY-SA 3.0 license |
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| beir/scidocs | SciDocs is a new evaluation benchmark consisting of seven document-level tasks ranging from citation prediction, to document classification and recommendation. | GNU General Public License v3.0 license |
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| beir/trec-covid | TREC-COVID followed the TREC model for building IR test collections through community evaluations of search systems. | CC-BY-SA-4.0 license |
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| beir/touche2020 | Given a question on a controversial topic, retrieve relevant arguments from a focused crawl of online debate portals. | CC BY 4.0 license |
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| WikiAnswers | The WikiAnswers corpus contains clusters of questions tagged by WikiAnswers users as paraphrases. | MIT |
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| Cohere/wikipedia-22-12-en-embeddings Dataset | The Cohere/Wikipedia dataset is a processed version of the wikipedia-22-12 dataset. It is English only, and the articles are broken up into paragraphs. | Apache 2.0 |
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| MLNI | GLUE, the General Language Understanding Evaluation benchmark (https://gluebenchmark.com/) is a collection of resources for training, evaluating, and analyzing natural language understanding systems. | MIT |
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