training script, 25.9.2024 version

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Andrii Pervashov 2024-09-26 10:59:38 +00:00
parent 7b333c201c
commit 13136dd010

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@ -1,54 +1,54 @@
from transformers import T5ForConditionalGeneration, T5Tokenizer, Trainer, TrainingArguments
from datasets import load_dataset from datasets import load_dataset
from transformers import T5Tokenizer, T5ForConditionalGeneration, Trainer, TrainingArguments
# Initialize the tokenizer model_name = "t5-base"
model_name = "t5-small"
tokenizer = T5Tokenizer.from_pretrained(model_name) tokenizer = T5Tokenizer.from_pretrained(model_name)
model = T5ForConditionalGeneration.from_pretrained(model_name)
# Load the dataset with the specific configuration
dataset = load_dataset("wiki_atomic_edits", "english_insertions", trust_remote_code=True)
# Inspect the dataset splits
print(dataset.keys()) # Print available dataset splits
# Preprocessing Function
def preprocess_function(examples): def preprocess_function(examples):
inputs = examples["base_sentence"] before_list = []
targets = examples["edited_sentence"] after_list = []
model_inputs = tokenizer(inputs, max_length=128, truncation=True, padding="max_length") for ex in examples["before after"]:
labels = tokenizer(targets, max_length=128, truncation=True, padding="max_length") if ex is not None:
labels["input_ids"] = [ splits = ex.split(" before after ")
[(label if label != tokenizer.pad_token_id else -100) for label in labels_example] if len(splits) == 2:
for labels_example in labels["input_ids"] before_list.append(splits[0])
] after_list.append(splits[1])
else:
before_list.append(ex)
after_list.append('')
else:
before_list.append('')
after_list.append('')
model_inputs = tokenizer(before_list, padding="max_length", truncation=True)
labels = tokenizer(after_list, padding="max_length", truncation=True)
model_inputs["labels"] = labels["input_ids"] model_inputs["labels"] = labels["input_ids"]
return model_inputs return model_inputs
# Apply the preprocessing function to the dataset
dataset = load_dataset("csv", data_files={"train": "converted.csv"}, delimiter=" ", column_names=["before after"])
tokenized_datasets = dataset.map(preprocess_function, batched=True) tokenized_datasets = dataset.map(preprocess_function, batched=True)
# Initialize the model
model = T5ForConditionalGeneration.from_pretrained(model_name)
# Set up training arguments
training_args = TrainingArguments( training_args = TrainingArguments(
output_dir="./results", output_dir="./results1",
evaluation_strategy="epoch", # Updated from eval_strategy to evaluation_strategy evaluation_strategy="epoch",
save_strategy="epoch",
learning_rate=2e-5, learning_rate=2e-5,
per_device_train_batch_size=4, per_device_train_batch_size=64,
per_device_eval_batch_size=4, per_device_eval_batch_size=64,
num_train_epochs=3, num_train_epochs=1,
weight_decay=0.01, weight_decay=0.01,
logging_dir="./logs",
) )
# Initialize Trainer
trainer = Trainer( trainer = Trainer(
model=model, model=model,
args=training_args, args=training_args,
train_dataset=tokenized_datasets["train"], train_dataset=tokenized_datasets["train"],
eval_dataset=tokenized_datasets.get("validation") # Use .get() to avoid KeyError tokenizer=tokenizer,
) )
# Start training
trainer.train() trainer.train()
model.save_pretrained("T5Autocorrection")
tokenizer.save_pretrained("T5TokenizerAutocorrection")