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Bert Tiny for SST2
This model is a fine-tuned version of M-FAC/bert-tiny-finetuned-sst2 on the sst2 dataset. It achieves the following results on the evaluation set:
- Loss: 0.4771
- Accuracy: 0.8280
Usage Example
from transformers import BertTokenizer, BertForSequenceClassification, TrainingArguments, Trainer, DataCollatorWithPadding
import datasets
model = BertForSequenceClassification.from_pretrained('VityaVitalich/bert-tiny-sst2')
tokenizer = BertTokenizer.from_pretrained('VityaVitalich/bert-tiny-sst2')
def create_data(tokenizer):
train_set = datasets.load_dataset('sst2', split='train').remove_columns(['idx'])
val_set = datasets.load_dataset('sst2', split='validation').remove_columns(['idx'])
def tokenize_func(examples):
return tokenizer(examples["sentence"], max_length=128, padding='max_length', truncation=True)
encoded_dataset_train = train_set.map(tokenize_func, batched=True)
encoded_dataset_test = val_set.map(tokenize_func, batched=True)
data_collator = DataCollatorWithPadding(tokenizer)
return encoded_dataset_train, encoded_dataset_test, data_collator
encoded_dataset_train, encoded_dataset_test, data_collator = create_data(tokenizer)
training_args = TrainingArguments(
output_dir='./results',
learning_rate=3e-5,
per_device_train_batch_size=128,
per_device_eval_batch_size=128,
load_best_model_at_end=True,
num_train_epochs=5,
weight_decay=0.1,
fp16=True,
fp16_full_eval=True,
evaluation_strategy="epoch",
seed=42,
save_strategy = "epoch",
save_total_limit=5,
logging_strategy="epoch",
report_to="all",
)
trainer = Trainer(
model=model,
args=training_args,
train_dataset=encoded_dataset_train,
eval_dataset=encoded_dataset_test,
data_collator=data_collator,
compute_metrics=compute_metrics,
)
trainer.evaluate(encoded_dataset_test)
Training procedure
Training hyperparameters
The following hyperparameters were used during training:
- learning_rate: 3e-05
- train_batch_size: 128
- eval_batch_size: 128
- seed: 42
- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
- lr_scheduler_type: linear
- num_epochs: 5
Training results
Training Loss | Epoch | Step | Validation Loss | Accuracy |
---|---|---|---|---|
0.2313 | 1.0 | 527 | 0.4771 | 0.8280 |
0.2057 | 2.0 | 1054 | 0.4937 | 0.8257 |
0.1949 | 3.0 | 1581 | 0.5121 | 0.8177 |
0.1904 | 4.0 | 2108 | 0.5100 | 0.8200 |
0.1879 | 5.0 | 2635 | 0.5137 | 0.8211 |
Framework versions
- Transformers 4.34.0.dev0
- Pytorch 2.0.1+cu117
- Datasets 2.14.5
- Tokenizers 0.14.0