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---
tags:
- sentence-transformers
- sentence-similarity
- feature-extraction
- generated_from_trainer
- dataset_size:3396
- loss:SoftmaxLoss
base_model: google/embeddinggemma-300m
widget:
- source_sentence: C[C@H](CCCC(C)(C)O)[C@H]1CC[C@H]2[C@@H]3CC=C4C[C@@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
sentences:
- CC(C)n1c(CC[C@@H](O)C[C@@H](O)CC([O-])=O)c(c(c1C(=O)NCc1ccccn1)-c1ccccc1)-c1ccc(F)cc1
- Cc1cc(OCc2ccccc2)cc(C)c1\C=C\[C@@H]1C[C@@H](O)CC(=O)O1
- Cc1ccc(C2CC3CCC2C=C3)n1CC[C@@H]1C[C@@H](O)CC(=O)O1
- source_sentence: CC[C@H](C)C(=O)O[C@H]1C[C@H](C)C=C2C=C[C@H](C)[C@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@@H]12
sentences:
- CC(C)c1c(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)c(c(C)n1-c1ccccc1)-c1ccc(F)cc1
- CC(C)c1c(C(=O)Nc2ccccc2)c(c(-c2ccc(F)cc2)n1CC[C@@H](O)C[C@@H](O)CC(=O)NO)-c1ccccc1
- CC(C)c1c(c(c(-c2ccc(F)cc2)n1CC[C@@H](O)C[C@@H](O)CC([O-])=O)-c1ccc(F)cc1)S(=O)(=O)Nc1ccccc1
- source_sentence: CC[C@H](C)C(=O)O[C@H]1CCC=C2C=C[C@H](C)[C@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@@H]12
sentences:
- Cc1cc(C)c(OCC(O)C[C@@H](O)CC([O-])=O)c(c1)C(C1CCCCC1)c1ccc(F)cc1
- CCC(CC)(c1ccccc1)c1ccc(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)c(c1)-c1ccccc1F
- CC(C)[C@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)CNC(=O)[C@H](Cc1ccccc1)NC(=O)CN)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(O)=O)C(O)=O
- source_sentence: CC(C)c1nc(c(-c2ccc(F)cc2)n1\C=C\[C@H](O)C[C@@H](O)CC([O-])=O)-c1ccc(F)cc1
sentences:
- Cc1ccc(-c2cccc3ccccc23)n1CC[C@@H]1C[C@@H](O)CC(=O)O1
- CCCCC#CC#CCCCCCC(O)=O
- CC(C)c1c(OC[C@@H](O)C[C@@H](O)CC(O)=O)n(nc1C(=O)NCc1ccccc1Cl)-c1ccc(F)cc1
- source_sentence: CCC(CC)(c1ccccc1)c1ccc(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)c(c1)-c1ccccc1F
sentences:
- CC(C)c1c(c(c(-c2ccc(F)cc2)n1CC[C@@H](O)C[C@@H](O)CC([O-])=O)-c1ccccc1)S(=O)(=O)N(C)C
- O[C@H](CCn1c(nc(c1-c1ccc(F)cc1)-c1ccc(F)cc1)C(F)(F)F)C[C@@H](O)CC([O-])=O
- Cc1ccc(C(=C(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)c2nnnn2C)c2ccc(C)cc2C)c(C)c1
pipeline_tag: sentence-similarity
library_name: sentence-transformers
---
# SentenceTransformer based on google/embeddinggemma-300m
This is a [sentence-transformers](https://www.SBERT.net) model finetuned from [google/embeddinggemma-300m](https://huggingface.co/google/embeddinggemma-300m). It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for retrieval.
## Model Details
### Model Description
- **Model Type:** Sentence Transformer
- **Base model:** [google/embeddinggemma-300m](https://huggingface.co/google/embeddinggemma-300m) <!-- at revision 57c266a740f537b4dc058e1b0cda161fd15afa75 -->
- **Maximum Sequence Length:** 128 tokens
- **Output Dimensionality:** 768 dimensions
- **Similarity Function:** Cosine Similarity
- **Supported Modality:** Text
<!-- - **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({'transformer_task': 'feature-extraction', 'modality_config': {'text': {'method': 'forward', 'method_output_name': 'last_hidden_state'}}, 'module_output_name': 'token_embeddings', 'architecture': 'Gemma3TextModel'})
(1): Pooling({'embedding_dimension': 768, 'pooling_mode': 'mean', 'include_prompt': True})
(2): Dense({'in_features': 768, 'out_features': 3072, 'bias': False, 'activation_function': 'torch.nn.modules.linear.Identity', 'module_input_name': 'sentence_embedding', 'module_output_name': 'sentence_embedding'})
(3): Dense({'in_features': 3072, 'out_features': 768, 'bias': False, 'activation_function': 'torch.nn.modules.linear.Identity', 'module_input_name': 'sentence_embedding', 'module_output_name': 'sentence_embedding'})
(4): Normalize({})
)
```
## 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("cafierom/smiles_embedding_gemma_FT")
# Run inference
queries = [
'CCC(CC)(c1ccccc1)c1ccc(\\C=C\\[C@@H](O)C[C@@H](O)CC([O-])=O)c(c1)-c1ccccc1F',
]
documents = [
'Cc1ccc(C(=C(\\C=C\\[C@@H](O)C[C@@H](O)CC([O-])=O)c2nnnn2C)c2ccc(C)cc2C)c(C)c1',
'O[C@H](CCn1c(nc(c1-c1ccc(F)cc1)-c1ccc(F)cc1)C(F)(F)F)C[C@@H](O)CC([O-])=O',
'CC(C)c1c(c(c(-c2ccc(F)cc2)n1CC[C@@H](O)C[C@@H](O)CC([O-])=O)-c1ccccc1)S(=O)(=O)N(C)C',
]
query_embeddings = model.encode_query(queries)
document_embeddings = model.encode_document(documents)
print(query_embeddings.shape, document_embeddings.shape)
# [1, 768] [3, 768]
# Get the similarity scores for the embeddings
similarities = model.similarity(query_embeddings, document_embeddings)
print(similarities)
# tensor([[0.9356, 0.9019, 0.5159]])
```
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## Training Details
### Training Dataset
#### Unnamed Dataset
* Size: 3,396 training samples
* Columns: <code>premise</code>, <code>hypothesis</code>, and <code>label</code>
* Approximate statistics based on the first 100 samples:
| | premise | hypothesis | label |
|:---------|:------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------|:------------------------------------------------|
| type | string | string | int |
| modality | text | text | |
| details | <ul><li>min: 18 tokens</li><li>mean: 58.11 tokens</li><li>max: 117 tokens</li></ul> | <ul><li>min: 11 tokens</li><li>mean: 54.91 tokens</li><li>max: 119 tokens</li></ul> | <ul><li>0: ~55.77%</li><li>2: ~44.23%</li></ul> |
* Samples:
| premise | hypothesis | label |
|:-----------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------|:---------------|
| <code>CC[C@H](C)C(=O)O[C@H]1C[C@H](C[C@@H]2C=C[C@H](C)[C@H](CC[C@@H]3C[C@@H](O)CC(=O)O3)[C@@H]12)\C=C\Cc1ccccc1</code> | <code>Cc1cc(-c2ccc(Cl)cc2)c(\C=C\[C@@H]2C[C@@H](O)CC(=O)O2)c(C)n1</code> | <code>2</code> |
| <code>CC(C)n1c(CC[C@@H](O)C[C@@H](O)CC([O-])=O)c(c(c1C(=O)Nc1ccccc1)-c1ccccc1)-c1ccc(F)cc1</code> | <code>CC(C)n1c(CC[C@@H](O)C[C@@H](O)CC([O-])=O)c(c(c1C(=O)NCc1ccccn1)-c1ccccc1)-c1ccc(F)cc1</code> | <code>0</code> |
| <code>CC(C)n1c(CC[C@@H](O)C[C@@H](O)CC([O-])=O)c(c(c1C(=O)N(C)C)-c1ccccc1)-c1ccc(F)cc1</code> | <code>COc1ccc2ccccc2c1-c1ccc(C(C)C)n1CC[C@@H]1C[C@@H](O)CC(=O)O1</code> | <code>2</code> |
* Loss: [<code>SoftmaxLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#softmaxloss) with these parameters:
```json
{
"num_labels": 3,
"concatenation_sent_rep": true,
"concatenation_sent_difference": true,
"concatenation_sent_multiplication": false
}
```
### Evaluation Dataset
#### Unnamed Dataset
* Size: 600 evaluation samples
* Columns: <code>premise</code>, <code>hypothesis</code>, and <code>label</code>
* Approximate statistics based on the first 100 samples:
| | premise | hypothesis | label |
|:---------|:------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------|:------------------------------------------------|
| type | string | string | int |
| modality | text | text | |
| details | <ul><li>min: 11 tokens</li><li>mean: 56.06 tokens</li><li>max: 101 tokens</li></ul> | <ul><li>min: 12 tokens</li><li>mean: 55.85 tokens</li><li>max: 119 tokens</li></ul> | <ul><li>0: ~41.35%</li><li>2: ~58.65%</li></ul> |
* Samples:
| premise | hypothesis | label |
|:--------------------------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------|:---------------|
| <code>CNc1cccc(c1)-c1nc(C(C)C)n(\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)c1-c1ccc(F)cc1</code> | <code>CC(C)c1c(CC[C@@H](O)C[C@@H](O)CC([O-])=O)c(cn1-c1ccccc1)-c1ccc(F)cc1</code> | <code>0</code> |
| <code>CC(C)c1nc(nc(-c2ccc(F)cc2)c1\C=C\[C@@H]1C[C@@H](O)CC(OCC(Cl)(Cl)Cl)O1)N(C)S(C)(=O)=O</code> | <code>CC(C)c1nn(-c2nc3ccccc3s2)c(c1\C=C\[C@@H](O)C[C@@H](O)CC([O-])=O)-c1ccc(F)cc1</code> | <code>2</code> |
| <code>Cc1c(\C=C\[C@H](O)C[C@@H](O)CC([O-])=O)c(cn1-c1ccccc1)-c1ccc(F)cc1</code> | <code>C[C@H](CC\C=C(/C)C(O)=O)[C@H]1CC(=O)[C@@]2(C)C3=C(C(=O)C[C@]12C)[C@@]1(C)CCC(=O)[C@@](C)(COC(=O)C[C@@](C)(O)CC(O)=O)[C@@H]1CC3=O</code> | <code>2</code> |
* Loss: [<code>SoftmaxLoss</code>](https://sbert.net/docs/package_reference/sentence_transformer/losses.html#softmaxloss) with these parameters:
```json
{
"num_labels": 3,
"concatenation_sent_rep": true,
"concatenation_sent_difference": true,
"concatenation_sent_multiplication": false
}
```
### Training Hyperparameters
#### Non-Default Hyperparameters
- `warmup_steps`: 10
- `optim`: adafactor
- `weight_decay`: 0.01
- `bf16`: True
- `load_best_model_at_end`: True
- `dataloader_pin_memory`: False
#### All Hyperparameters
<details><summary>Click to expand</summary>
- `per_device_train_batch_size`: 8
- `num_train_epochs`: 3
- `max_steps`: -1
- `learning_rate`: 5e-05
- `lr_scheduler_type`: linear
- `lr_scheduler_kwargs`: None
- `warmup_steps`: 10
- `optim`: adafactor
- `optim_args`: None
- `weight_decay`: 0.01
- `adam_beta1`: 0.9
- `adam_beta2`: 0.999
- `adam_epsilon`: 1e-08
- `optim_target_modules`: None
- `gradient_accumulation_steps`: 1
- `average_tokens_across_devices`: True
- `max_grad_norm`: 1.0
- `label_smoothing_factor`: 0.0
- `bf16`: True
- `fp16`: False
- `bf16_full_eval`: False
- `fp16_full_eval`: False
- `tf32`: None
- `gradient_checkpointing`: False
- `gradient_checkpointing_kwargs`: None
- `torch_compile`: False
- `torch_compile_backend`: None
- `torch_compile_mode`: None
- `use_liger_kernel`: False
- `liger_kernel_config`: None
- `use_cache`: False
- `neftune_noise_alpha`: None
- `torch_empty_cache_steps`: None
- `auto_find_batch_size`: False
- `log_on_each_node`: True
- `logging_nan_inf_filter`: True
- `include_num_input_tokens_seen`: no
- `log_level`: passive
- `log_level_replica`: warning
- `disable_tqdm`: False
- `project`: huggingface
- `trackio_space_id`: None
- `trackio_bucket_id`: None
- `trackio_static_space_id`: None
- `per_device_eval_batch_size`: 8
- `prediction_loss_only`: True
- `eval_on_start`: False
- `eval_do_concat_batches`: True
- `eval_use_gather_object`: False
- `eval_accumulation_steps`: None
- `include_for_metrics`: []
- `batch_eval_metrics`: False
- `save_only_model`: False
- `save_on_each_node`: False
- `enable_jit_checkpoint`: False
- `push_to_hub`: False
- `hub_private_repo`: None
- `hub_model_id`: None
- `hub_strategy`: every_save
- `hub_always_push`: False
- `hub_revision`: None
- `load_best_model_at_end`: True
- `ignore_data_skip`: False
- `restore_callback_states_from_checkpoint`: False
- `full_determinism`: False
- `seed`: 42
- `data_seed`: None
- `use_cpu`: 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
- `dataloader_drop_last`: False
- `dataloader_num_workers`: 0
- `dataloader_pin_memory`: False
- `dataloader_persistent_workers`: False
- `dataloader_prefetch_factor`: None
- `remove_unused_columns`: True
- `label_names`: None
- `train_sampling_strategy`: random
- `length_column_name`: length
- `ddp_find_unused_parameters`: None
- `ddp_bucket_cap_mb`: None
- `ddp_broadcast_buffers`: False
- `ddp_static_graph`: None
- `ddp_backend`: None
- `ddp_timeout`: 1800
- `fsdp`: None
- `fsdp_config`: None
- `deepspeed`: None
- `debug`: []
- `skip_memory_metrics`: True
- `do_predict`: False
- `resume_from_checkpoint`: None
- `warmup_ratio`: None
- `local_rank`: -1
- `prompts`: None
- `batch_sampler`: batch_sampler
- `multi_dataset_batch_sampler`: proportional
- `router_mapping`: {}
- `learning_rate_mapping`: {}
</details>
### Training Logs
| Epoch | Step | Training Loss | Validation Loss |
|:-------:|:--------:|:-------------:|:---------------:|
| 0.0471 | 20 | 0.9762 | - |
| 0.0941 | 40 | 0.8931 | - |
| 0.1176 | 50 | - | 0.8680 |
| 0.1412 | 60 | 0.8805 | - |
| 0.1882 | 80 | 0.8463 | - |
| 0.2353 | 100 | 0.8186 | 0.8070 |
| 0.2824 | 120 | 0.8125 | - |
| 0.3294 | 140 | 0.7831 | - |
| 0.3529 | 150 | - | 0.7607 |
| 0.3765 | 160 | 0.7789 | - |
| 0.4235 | 180 | 0.7543 | - |
| 0.4706 | 200 | 0.7119 | 0.7341 |
| 0.5176 | 220 | 0.7230 | - |
| 0.5647 | 240 | 0.7006 | - |
| 0.5882 | 250 | - | 0.6976 |
| 0.6118 | 260 | 0.6999 | - |
| 0.6588 | 280 | 0.6649 | - |
| 0.7059 | 300 | 0.6693 | 0.6542 |
| 0.7529 | 320 | 0.6768 | - |
| 0.8 | 340 | 0.6203 | - |
| 0.8235 | 350 | - | 0.6334 |
| 0.8471 | 360 | 0.6820 | - |
| 0.8941 | 380 | 0.6402 | - |
| 0.9412 | 400 | 0.6327 | 0.6568 |
| 0.9882 | 420 | 0.5882 | - |
| 1.0353 | 440 | 0.6258 | - |
| 1.0588 | 450 | - | 0.6009 |
| 1.0824 | 460 | 0.5778 | - |
| 1.1294 | 480 | 0.6016 | - |
| 1.1765 | 500 | 0.5251 | 0.5823 |
| 1.2235 | 520 | 0.5810 | - |
| 1.2706 | 540 | 0.5700 | - |
| 1.2941 | 550 | - | 0.5618 |
| 1.3176 | 560 | 0.5384 | - |
| 1.3647 | 580 | 0.6171 | - |
| 1.4118 | 600 | 0.5861 | 0.5493 |
| 1.4588 | 620 | 0.5898 | - |
| 1.5059 | 640 | 0.5139 | - |
| 1.5294 | 650 | - | 0.5250 |
| 1.5529 | 660 | 0.5235 | - |
| 1.6 | 680 | 0.4972 | - |
| 1.6471 | 700 | 0.5056 | 0.5538 |
| 1.6941 | 720 | 0.5550 | - |
| 1.7412 | 740 | 0.5275 | - |
| 1.7647 | 750 | - | 0.5268 |
| 1.7882 | 760 | 0.5224 | - |
| 1.8353 | 780 | 0.4965 | - |
| 1.8824 | 800 | 0.4768 | 0.5072 |
| 1.9294 | 820 | 0.5545 | - |
| 1.9765 | 840 | 0.5012 | - |
| 2.0 | 850 | - | 0.5041 |
| 2.0235 | 860 | 0.5343 | - |
| 2.0706 | 880 | 0.4404 | - |
| 2.1176 | 900 | 0.4679 | 0.4866 |
| 2.1647 | 920 | 0.5153 | - |
| 2.2118 | 940 | 0.4592 | - |
| 2.2353 | 950 | - | 0.4959 |
| 2.2588 | 960 | 0.4473 | - |
| 2.3059 | 980 | 0.5223 | - |
| 2.3529 | 1000 | 0.4917 | 0.4882 |
| 2.4 | 1020 | 0.4113 | - |
| 2.4471 | 1040 | 0.5266 | - |
| 2.4706 | 1050 | - | 0.4844 |
| 2.4941 | 1060 | 0.4752 | - |
| 2.5412 | 1080 | 0.4672 | - |
| 2.5882 | 1100 | 0.5019 | 0.4730 |
| 2.6353 | 1120 | 0.4282 | - |
| 2.6824 | 1140 | 0.3954 | - |
| 2.7059 | 1150 | - | 0.4660 |
| 2.7294 | 1160 | 0.4608 | - |
| 2.7765 | 1180 | 0.4770 | - |
| 2.8235 | 1200 | 0.4747 | 0.4630 |
| 2.8706 | 1220 | 0.5013 | - |
| 2.9176 | 1240 | 0.3948 | - |
| 2.9412 | 1250 | - | 0.4606 |
| 2.9647 | 1260 | 0.4259 | - |
| **3.0** | **1275** | **-** | **0.4595** |
* The bold row denotes the saved checkpoint.
### Training Time
- **Training**: 31.9 minutes
- **Evaluation**: 19.4 minutes
- **Total**: 51.3 minutes
### Framework Versions
- Python: 3.12.13
- Sentence Transformers: 5.6.1
- Transformers: 5.14.1
- PyTorch: 2.13.0
- Accelerate: 1.14.0
- Datasets: 5.0.1
- Tokenizers: 0.22.2
## Citation
### BibTeX
#### Sentence Transformers and SoftmaxLoss
```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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