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tomaarsen/
distilroberta-base-nli-matryoshka-256

Name: distilroberta-base-nli-matryoshka-256
Availability: InStock

sentence-transformers

text-embeddings-inference

endpoints_compatible

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tomaarsen/distilroberta-base-nli-matryoshka-256

This is a sentence-transformers model: It maps sentences & paragraphs to a 256 dimensional dense vector space and can be used for tasks like clustering or semantic search.

Usage (Sentence-Transformers)

Using this model becomes easy when you have sentence-transformers installed:

pip install -U sentence-transformers

Then you can use the model like this:

python

from sentence_transformers import SentenceTransformer
sentences = ["This is an example sentence", "Each sentence is converted"]

model = SentenceTransformer('tomaarsen/distilroberta-base-nli-matryoshka-256')
embeddings = model.encode(sentences)
print(embeddings)

Evaluation Results

For an automated evaluation of this model, see the Sentence Embeddings Benchmark: https://seb.sbert.net

Training

The model was trained with the parameters:

DataLoader:

sentence_transformers.datasets.NoDuplicatesDataLoader.NoDuplicatesDataLoader of length 4403 with parameters:

{'batch_size': 128}

Loss:

sentence_transformers.losses.MatryoshkaLoss.MatryoshkaLoss with parameters:

{'loss': 'MultipleNegativesRankingLoss', 'matryoshka_dims': [256, 128, 64, 32, 16], 'matryoshka_weights': [1, 1, 1, 1, 1]}

Parameters of the fit()-Method:

{
    "epochs": 1,
    "evaluation_steps": 440,
    "evaluator": "sentence_transformers.evaluation.EmbeddingSimilarityEvaluator.EmbeddingSimilarityEvaluator",
    "max_grad_norm": 1,
    "optimizer_class": "<class 'torch.optim.adamw.AdamW'>",
    "optimizer_params": {
        "lr": 2e-05
    },
    "scheduler": "WarmupLinear",
    "steps_per_epoch": null,
    "warmup_steps": 441,
    "weight_decay": 0.01
}

Full Model Architecture

SentenceTransformer(
  (0): Transformer({'max_seq_length': 75, 'do_lower_case': False}) with Transformer model: RobertaModel 
  (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
  (2): Dense({'in_features': 768, 'out_features': 256, 'bias': True, 'activation_function': 'torch.nn.modules.activation.Tanh'})
)

tomaarsen/distilroberta-base-nli-matryoshka-256

tomaarsen/distilroberta-base-nli-matryoshka-256

Usage (Sentence-Transformers)

Evaluation Results

Training

Full Model Architecture

Citing & Authors

tomaarsen/
distilroberta-base-nli-matryoshka-256