README.md

---
library_name: transformers
language:
- hi
base_model: ar5entum/bart_eng_hin_mt
tags:
- generated_from_trainer
model-index:
- name: bart_eng_hin_mt
  results: []
---

<!-- This model card has been generated automatically according to the information the Trainer had access to. You
should probably proofread and complete it, then remove this comment. -->

# bart_eng_hin_mt

This model is a fine-tuned version of [danasone/bart-small-ru-en](https://huggingface.co/danasone/bart-small-ru-en) on [cfilt/iitb-english-hindi](https://huggingface.co/datasets/cfilt/iitb-english-hindi) dataset.
It achieves the following results on the evaluation set:
- eval_loss: 0.5147
- eval_model_preparation_time: 0.0051
- eval_bleu: 11.8141
- eval_gen_len: 122.6932
- eval_runtime: 3.6543
- eval_samples_per_second: 142.3
- eval_steps_per_second: 1.642
- step: 0

## Model description

Machine Translation model from English to Hindi on bart small model.

## Inference and Evaluation

```python
import torch
import evaluate
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

class BartSmall():
    def __init__(self, model_path = 'ar5entum/bart_eng_hin_mt', device = None):
        self.tokenizer = AutoTokenizer.from_pretrained(model_path)
        self.model = AutoModelForSeq2SeqLM.from_pretrained(model_path)
        if not device:
            device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
        self.device = device
        self.model.to(device)

    def predict(self, input_text):
        inputs = self.tokenizer(input_text, return_tensors="pt", max_length=512, truncation=True).to(self.device)
        pred_ids = self.model.generate(inputs.input_ids, max_length=512, num_beams=4, early_stopping=True)
        prediction = self.tokenizer.decode(pred_ids[0], skip_special_tokens=True)
        return prediction
    
    def predict_batch(self, input_texts, batch_size=32):
        all_predictions = []
        for i in range(0, len(input_texts), batch_size):
            batch_texts = input_texts[i:i+batch_size]
            inputs = self.tokenizer(batch_texts, return_tensors="pt", max_length=512, 
                                    truncation=True, padding=True).to(self.device)
            
            with torch.no_grad():
                pred_ids = self.model.generate(inputs.input_ids, 
                                               max_length=512, 
                                               num_beams=4, 
                                               early_stopping=True)
            
            predictions = self.tokenizer.batch_decode(pred_ids, skip_special_tokens=True)
            all_predictions.extend(predictions)

        return all_predictions

model = BartSmall(device='cuda')

input_texts = [
    "This is a repayable amount.",
    "Watch this video to find out.",
    "He was a father of two daughters and a son."
    ]
ground_truths = [
    "यह शोध्य रकम है।", 
    "जानने के लिए देखें ये वीडियो.",
    "वह दो बेटियों व एक बेटे का पिता था।"
    ]
import time
start = time.time()

predictions = model.predict_batch(input_texts, batch_size=len(input_texts))
end = time.time()
print("TIME: ", end-start)
for i in range(len(input_texts)):
    print("‾‾‾‾‾‾‾‾‾‾‾‾")
    print("Input text:\t", input_texts[i])
    print("Prediction:\t", predictions[i])
    print("Ground Truth:\t", ground_truths[i])
bleu = evaluate.load("bleu")
results = bleu.compute(predictions=predictions, references=ground_truths)
print(results)

# TIME:  3.65848970413208
# ‾‾‾‾‾‾‾‾‾‾‾‾
# Input text:	 This is a repayable amount.
# Prediction:	 यह एक चुकौती राशि है। 
# Ground Truth:	 यह शोध्य रकम है।
# ‾‾‾‾‾‾‾‾‾‾‾‾
# Input text:	 Watch this video to find out.
# Prediction:	 इस वीडियो को बाहर ढूंढने के लिए इस वीडियो को देख�
# Ground Truth:	 जानने के लिए देखें ये वीडियो.
# ‾‾‾‾‾‾‾‾‾‾‾‾
# Input text:	 He was a father of two daughters and a son.
# Prediction:	 वह दो बेटियों और एक पुत्र के पिता थे। 
# Ground Truth:	 वह दो बेटियों व एक बेटे का पिता था।
# {'bleu': 0.0, 'precisions': [0.4, 0.13636363636363635, 0.05263157894736842, 0.0], 'brevity_penalty': 1.0, 'length_ratio': 1.25, 'translation_length': 25, 'reference_length': 20}
```
## Training Procedure
### Training hyperparameters

The following hyperparameters were used during training:
- learning_rate: 5e-05
- train_batch_size: 8
- eval_batch_size: 22
- seed: 42
- distributed_type: multi-GPU
- num_devices: 4
- total_train_batch_size: 32
- total_eval_batch_size: 88
- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
- lr_scheduler_type: linear
- num_epochs: 3.0

### Framework versions

- Transformers 4.45.0.dev0
- Pytorch 2.3.0+cu121
- Datasets 2.20.0
- Tokenizers 0.19.1