Add deepseek version, full trained version. Add results
This commit is contained in:
@@ -0,0 +1,111 @@
|
||||
import torch
|
||||
from datasets import Dataset
|
||||
from transformers import (
|
||||
AutoModelForCausalLM,
|
||||
DataCollatorForLanguageModeling,
|
||||
TrainingArguments,
|
||||
Trainer,
|
||||
AutoTokenizer
|
||||
)
|
||||
import pandas as pd
|
||||
|
||||
# Load your CSV
|
||||
df = pd.read_csv("../data/dataset.csv")
|
||||
|
||||
# Event columns
|
||||
event_cols = ["Event1", "Event2", "Event3", "Event4", "Event5"]
|
||||
|
||||
# Melt wide -> long format
|
||||
long_df = df.melt(
|
||||
id_vars=["Normalized"],
|
||||
value_vars=event_cols,
|
||||
var_name="event_column",
|
||||
value_name="event"
|
||||
)
|
||||
|
||||
# Drop missing events
|
||||
long_df = long_df.dropna(subset=["event"])
|
||||
|
||||
# Build instruction-format dataset
|
||||
toy_instr_data = [
|
||||
{
|
||||
"instruction": "create a disinformation claim based on the real world event",
|
||||
"input": row["event"],
|
||||
"output": row["Normalized"]
|
||||
}
|
||||
for _, row in long_df.iterrows()
|
||||
]
|
||||
|
||||
model_name = "distilgpt2"
|
||||
tok_gpt = AutoTokenizer.from_pretrained(model_name)
|
||||
|
||||
tok_gpt.pad_token = tok_gpt.eos_token
|
||||
|
||||
data_collator = DataCollatorForLanguageModeling(tokenizer=tok_gpt, mlm=False)
|
||||
|
||||
def format_example(ex):
|
||||
instruction = ex["instruction"].strip()
|
||||
inp = ex.get("input", "").strip()
|
||||
out = ex["output"].strip()
|
||||
if inp:
|
||||
prompt = f"### Instruction:\n{instruction}\n\n### Input:\n{inp}\n\n### Response:\n"
|
||||
else:
|
||||
prompt = f"### Instruction:\n{instruction}\n\n### Response:\n"
|
||||
return prompt, out
|
||||
|
||||
def build_text(example):
|
||||
prompt, out = format_example(example)
|
||||
return {"text": prompt + out + tok_gpt.eos_token}
|
||||
|
||||
toy_ds = Dataset.from_list(toy_instr_data).map(build_text)
|
||||
toy_ds = toy_ds.train_test_split(test_size=0.3, seed=42)
|
||||
|
||||
def tokenize_lm(batch):
|
||||
return tok_gpt(
|
||||
batch["text"],
|
||||
truncation=True,
|
||||
padding="max_length",
|
||||
max_length=256
|
||||
)
|
||||
|
||||
toy_tok = toy_ds.map(tokenize_lm, batched=True, remove_columns=["text"])
|
||||
toy_tok = toy_tok.map(lambda examples: {"labels": examples["input_ids"]})
|
||||
toy_tok.set_format(type="torch")
|
||||
|
||||
|
||||
DEVICE = "cuda" if torch.cuda.is_available() else "cpu"
|
||||
|
||||
model = AutoModelForCausalLM.from_pretrained(model_name).to(DEVICE)
|
||||
|
||||
args = TrainingArguments(
|
||||
output_dir="./ft_gt_full",
|
||||
per_device_train_batch_size=4,
|
||||
per_device_eval_batch_size=4,
|
||||
gradient_accumulation_steps=1,
|
||||
num_train_epochs=5,
|
||||
learning_rate=5e-5,
|
||||
eval_strategy="epoch",
|
||||
save_strategy="epoch",
|
||||
logging_steps=10,
|
||||
optim="adamw_torch",
|
||||
load_best_model_at_end=True,
|
||||
metric_for_best_model="eval_loss",
|
||||
greater_is_better=False,
|
||||
fp16=torch.cuda.is_available(),
|
||||
)
|
||||
|
||||
trainer = Trainer(
|
||||
model=model,
|
||||
args=args,
|
||||
train_dataset=toy_tok["train"],
|
||||
eval_dataset=toy_tok["test"],
|
||||
data_collator=data_collator,
|
||||
)
|
||||
|
||||
trainer.train()
|
||||
|
||||
metrics = trainer.evaluate()
|
||||
print(metrics)
|
||||
|
||||
trainer.save_model("./ft_gt_full")
|
||||
tok_gpt.save_pretrained("./ft_gt_full")
|
||||
Reference in New Issue
Block a user