FT_phi_cos / README.md
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Add new SentenceTransformer model
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---
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- dense
- generated_from_trainer
- dataset_size:5749
- loss:CosineSimilarityLoss
base_model: microsoft/Phi-3-mini-4k-instruct
widget:
- source_sentence: A man is playing the guitar.
sentences:
- A man plays an acoustic guitar.
- Ryanair chief hails report findings
- 2 British soldiers killed in Afghan insider attack
- source_sentence: You're "a bunch of cells."
sentences:
- I'm "a bunch of cells."
- Four arrested as Bangladesh building toll rises to 352
- Five cows grazing on a patch of grass between two roadways.
- source_sentence: The skateboarder gets to the top of the ramp.
sentences:
- Kroger's Ralphs chain and Albertsons immediately locked out their grocery workers
in a show of solidarity.
- The man took a piece of pepperoni pizza out of the box.
- The skateboarder rides the pipe wall at a skater park.
- source_sentence: Iran dissidents 'killed in Iraq'
sentences:
- A baby is crawling across the floor.
- The Mets took Lastings Milledge, an outfielder from Florida, with the 12th pick.
- France loses influence in Europe
- source_sentence: N Korea warns of retaliation for South Korea drill
sentences:
- North warns of retaliation for Seoul's naval drill plan
- Bangladeshi Islamists rally to demand action against atheist bloggers
- India's Anti-Graft Party Forms Government in Delhi
pipeline_tag: sentence-similarity
library_name: sentence-transformers
metrics:
- pearson_cosine
- spearman_cosine
model-index:
- name: SentenceTransformer based on microsoft/Phi-3-mini-4k-instruct
results:
- task:
type: semantic-similarity
name: Semantic Similarity
dataset:
name: stsb dev
type: stsb-dev
metrics:
- type: pearson_cosine
value: 0.8730412567769437
name: Pearson Cosine
- type: spearman_cosine
value: 0.8731618839441975
name: Spearman Cosine
---
# SentenceTransformer based on microsoft/Phi-3-mini-4k-instruct
This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [microsoft/Phi-3-mini-4k-instruct](https://huggingface.co/microsoft/Phi-3-mini-4k-instruct). It maps sentences & paragraphs to a 3072-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.
## Model Details
### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [microsoft/Phi-3-mini-4k-instruct](https://huggingface.co/microsoft/Phi-3-mini-4k-instruct) <!-- at revision f39ac1d28e925b323eae81227eaba4464caced4e -->
- **Maximum Sequence Length:** 128 tokens
- **Output Dimensionality:** 3072 dimensions
- **Similarity Function:** Cosine Similarity
<!-- - **Training Dataset:** Unknown -->
<!-- - **Language:** Unknown -->
<!-- - **License:** Unknown -->
### Model Sources
- **Documentation:** [Sentence Transformers Documentation](https://sbert.net)
- **Repository:** [Sentence Transformers on GitHub](https://github.com/huggingface/sentence-transformers)
- **Hugging Face:** [Sentence Transformers on Hugging Face](https://huggingface.co/models?library=sentence-transformers)
### Full Model Architecture
```
SentenceTransformer(
(0): Transformer({'max_seq_length': 128, 'do_lower_case': False, 'architecture': 'Phi3Model'})
(1): Pooling({'word_embedding_dimension': 3072, '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})
)
```
## Usage
### Direct Usage (Sentence Transformers)
First install the Sentence Transformers library:
```bash
pip install -U sentence-transformers
```
Then you can load this model and run inference.
```python
from sentence_transformers import SentenceTransformer
# Download from the 🤗 Hub
model = SentenceTransformer("AntoineGourru/FT_phi_cos")
# Run inference
sentences = [
'N Korea warns of retaliation for South Korea drill',
"North warns of retaliation for Seoul's naval drill plan",
'Bangladeshi Islamists rally to demand action against atheist bloggers',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 3072]
# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities)
# tensor([[1.0000, 0.7161, 0.1516],
# [0.7161, 1.0000, 0.1610],
# [0.1516, 0.1610, 1.0000]])
```
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## Evaluation
### Metrics
#### Semantic Similarity
* Dataset: `stsb-dev`
* Evaluated with [<code>EmbeddingSimilarityEvaluator</code>](https://sbert.net/docs/package_reference/sentence_transformer/evaluation.html#sentence_transformers.evaluation.EmbeddingSimilarityEvaluator)
| Metric | Value |
|:--------------------|:-----------|
| pearson_cosine | 0.873 |
| **spearman_cosine** | **0.8732** |
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## Training Details
### Training Dataset
#### Unnamed Dataset
* Size: 5,749 training samples
* Columns: <code>sentence_0</code>, <code>sentence_1</code>, and <code>label</code>
* Approximate statistics based on the first 1000 samples:
| | sentence_0 | sentence_1 | label |
|:--------|:----------------------------------------------------------------------------------|:----------------------------------------------------------------------------------|:---------------------------------------------------------------|
| type | string | string | float |
| details | <ul><li>min: 4 tokens</li><li>mean: 15.28 tokens</li><li>max: 87 tokens</li></ul> | <ul><li>min: 5 tokens</li><li>mean: 15.04 tokens</li><li>max: 68 tokens</li></ul> | <ul><li>min: 0.0</li><li>mean: 0.53</li><li>max: 1.0</li></ul> |
* Samples:
| sentence_0 | sentence_1 | label |
|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------------------------------|
| <code>The results were released at Tuesday's meeting in Seattle of the American Thoracic Society and will be published in Thursday's New England Journal of Medicine.</code> | <code>The study results were released at a meeting in Seattle of the American Thoracic Society and also will be published in tomorrow's issue of The New England Journal of Medicine.</code> | <code>0.8727999687194824</code> |
| <code>Put a Little Love in your Heart We are all vessels filled with many wonders.</code> | <code>Landon And So This is Christmas We are all vessels filled with many wonders.</code> | <code>0.5599999904632569</code> |
| <code>Wall Street analysts had expected 22 cents a share, according to Thomson First Call.</code> | <code>The results were 3 cents a share lower than the forecast of analysts surveyed by Thomson First Call.</code> | <code>0.4400000095367432</code> |
* Loss: [<code>CosineSimilarityLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#cosinesimilarityloss) with these parameters:
```json
{
"loss_fct": "torch.nn.modules.loss.MSELoss"
}
```
### Training Hyperparameters
#### Non-Default Hyperparameters
- `per_device_train_batch_size`: 4
- `per_device_eval_batch_size`: 4
- `num_train_epochs`: 1
- `multi_dataset_batch_sampler`: round_robin
#### All Hyperparameters
<details><summary>Click to expand</summary>
- `do_predict`: False
- `eval_strategy`: no
- `prediction_loss_only`: True
- `per_device_train_batch_size`: 4
- `per_device_eval_batch_size`: 4
- `gradient_accumulation_steps`: 1
- `eval_accumulation_steps`: None
- `torch_empty_cache_steps`: None
- `learning_rate`: 5e-05
- `weight_decay`: 0.0
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `max_grad_norm`: 1
- `num_train_epochs`: 1
- `max_steps`: -1
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: None
- `warmup_ratio`: None
- `warmup_steps`: 0
- `log_level`: passive
- `log_level_replica`: warning
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `enable_jit_checkpoint`: False
- `save_on_each_node`: False
- `save_only_model`: False
- `restore_callback_states_from_checkpoint`: False
- `use_cpu`: False
- `seed`: 42
- `data_seed`: None
- `bf16`: False
- `fp16`: False
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `local_rank`: -1
- `ddp_backend`: None
- `debug`: []
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_prefetch_factor`: None
- `disable_tqdm`: False
- `remove_unused_columns`: True
- `label_names`: None
- `load_best_model_at_end`: False
- `ignore_data_skip`: False
- `fsdp`: []
- `fsdp_config`: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
- `accelerator_config`: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
- `parallelism_config`: None
- `deepspeed`: None
- `label_smoothing_factor`: 0.0
- `optim`: adamw_torch_fused
- `optim_args`: None
- `group_by_length`: False
- `length_column_name`: length
- `project`: huggingface
- `trackio_space_id`: trackio
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `dataloader_pin_memory`: True
- `dataloader_persistent_workers`: False
- `skip_memory_metrics`: True
- `push_to_hub`: False
- `resume_from_checkpoint`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_private_repo`: None
- `hub_always_push`: False
- `hub_revision`: None
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `include_for_metrics`: []
- `eval_do_concat_batches`: True
- `auto_find_batch_size`: False
- `full_determinism`: False
- `ddp_timeout`: 1800
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `include_num_input_tokens_seen`: no
- `neftune_noise_alpha`: None
- `optim_target_modules`: None
- `batch_eval_metrics`: False
- `eval_on_start`: False
- `use_liger_kernel`: False
- `liger_kernel_config`: None
- `eval_use_gather_object`: False
- `average_tokens_across_devices`: True
- `use_cache`: False
- `prompts`: None
- `batch_sampler`: batch_sampler
- `multi_dataset_batch_sampler`: round_robin
- `router_mapping`: {}
- `learning_rate_mapping`: {}
</details>
### Training Logs
| Epoch | Step | Training Loss | stsb-dev_spearman_cosine |
|:------:|:----:|:-------------:|:------------------------:|
| 0.3477 | 500 | 0.0533 | - |
| 0.6954 | 1000 | 0.0263 | - |
| 1.0 | 1438 | - | 0.8732 |
### Framework Versions
- Python: 3.12.12
- Sentence Transformers: 5.2.3
- Transformers: 5.0.0
- PyTorch: 2.10.0+cu128
- Accelerate: 1.12.0
- Datasets: 4.0.0
- Tokenizers: 0.22.2
## Citation
### BibTeX
#### Sentence Transformers
```bibtex
@inproceedings{reimers-2019-sentence-bert,
title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks",
author = "Reimers, Nils and Gurevych, Iryna",
booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing",
month = "11",
year = "2019",
publisher = "Association for Computational Linguistics",
url = "https://arxiv.org/abs/1908.10084",
}
```
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