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weixin_43297441
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@ -174,6 +174,7 @@ poetry.toml
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data/
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data/
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save_for_eval/
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save_for_eval/
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models/
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models/
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visualizations/
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# LSP config files
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# LSP config files
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pyrightconfig.json
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pyrightconfig.json
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2
b.sh
2
b.sh
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@ -1,2 +1,2 @@
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export HF_ENDPOINT=https://hf-mirror.com
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export HF_ENDPOINT=https://hf-mirror.com
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CUDA_VISIBLE_DEVICES=1 python jailbreak_llama.py
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CUDA_VISIBLE_DEVICES=8 python jailbreak_llama.py
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681
hal_det_opt.py
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hal_det_opt.py
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@ -1,681 +0,0 @@
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import os
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import torch
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import torch.nn.functional as F
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import evaluate
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from datasets import load_metric
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from datasets import load_dataset
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from tqdm import tqdm
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import numpy as np
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import pickle
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from utils import get_llama_activations_bau, tokenized_tqa, tokenized_tqa_gen, tokenized_tqa_gen_end_q
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import llama_iti
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import pickle
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import argparse
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import matplotlib.pyplot as plt
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from pprint import pprint
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from baukit import Trace, TraceDict
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from metric_utils import get_measures, print_measures
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import re
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from torch.autograd import Variable
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from transformers import AutoModelForCausalLM, AutoTokenizer
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def seed_everything(seed: int):
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import random, os
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import numpy as np
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import torch
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random.seed(seed)
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os.environ['PYTHONHASHSEED'] = str(seed)
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np.random.seed(seed)
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torch.manual_seed(seed)
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torch.cuda.manual_seed(seed)
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torch.backends.cudnn.deterministic = True
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torch.backends.cudnn.benchmark = True
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HF_NAMES = {
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'llama_7B': 'baffo32/decapoda-research-llama-7B-hf',
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'honest_llama_7B': 'validation/results_dump/llama_7B_seed_42_top_48_heads_alpha_15',
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'alpaca_7B': 'circulus/alpaca-7b',
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'vicuna_7B': 'AlekseyKorshuk/vicuna-7b',
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'llama2_chat_7B': 'models/Llama-2-7b-chat-hf',
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'llama2_chat_13B': 'models/Llama-2-13b-chat-hf',
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"opt-6.7b": "models/opt-6.7b",
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"opt-13b": "models/opt-13b",
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}
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--model_name', type=str, default='opt-6.7b')
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parser.add_argument('--dataset_name', type=str, default='tqa')
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parser.add_argument('--num_gene', type=int, default=1)
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parser.add_argument('--gene', type=int, default=0)
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parser.add_argument('--generate_gt', type=int, default=0)
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parser.add_argument('--use_rouge', type=int, default=0)
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parser.add_argument('--weighted_svd', type=int, default=0)
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parser.add_argument('--feat_loc_svd', type=int, default=0)
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parser.add_argument('--wild_ratio', type=float, default=0.75)
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parser.add_argument('--thres_gt', type=float, default=0.5)
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parser.add_argument('--most_likely', type=int, default=0)
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parser.add_argument("--model_dir", type=str, default=None, help='local directory with model data')
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args = parser.parse_args()
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MODEL = HF_NAMES[args.model_name] if not args.model_dir else args.model_dir
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if args.dataset_name == "tqa":
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dataset = load_dataset("truthful_qa", 'generation')['validation']
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elif args.dataset_name == 'triviaqa':
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dataset = load_dataset("trivia_qa", "rc.nocontext", split="validation")
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id_mem = set()
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def remove_dups(batch):
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if batch['question_id'][0] in id_mem:
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return {_: [] for _ in batch.keys()}
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id_mem.add(batch['question_id'][0])
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return batch
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dataset = dataset.map(remove_dups, batch_size=1, batched=True, load_from_cache_file=False)
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elif args.dataset_name == 'tydiqa':
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dataset = datasets.load_dataset("tydiqa", "secondary_task", split="train")
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used_indices = []
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for i in range(len(dataset)):
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if 'english' in dataset[i]['id']:
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used_indices.append(i)
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elif args.dataset_name == 'coqa':
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import json
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import pandas as pd
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from datasets import Dataset
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def _save_dataset():
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# https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
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save_path = f'./coqa_dataset'
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if not os.path.exists(save_path):
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# https://downloads.cs.stanford.edu/nlp/data/coqa/coqa-dev-v1.0.json
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with open(f'./coqa-dev-v1.0.json', 'r') as infile:
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data = json.load(infile)['data']
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dataset = {}
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dataset['story'] = []
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dataset['question'] = []
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dataset['answer'] = []
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dataset['additional_answers'] = []
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dataset['id'] = []
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for sample_id, sample in enumerate(data):
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story = sample['story']
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questions = sample['questions']
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answers = sample['answers']
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additional_answers = sample['additional_answers']
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for question_index, question in enumerate(questions):
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dataset['story'].append(story)
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dataset['question'].append(question['input_text'])
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dataset['answer'].append({
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'text': answers[question_index]['input_text'],
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'answer_start': answers[question_index]['span_start']
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})
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dataset['id'].append(sample['id'] + '_' + str(question_index))
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additional_answers_list = []
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for i in range(3):
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additional_answers_list.append(additional_answers[str(i)][question_index]['input_text'])
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dataset['additional_answers'].append(additional_answers_list)
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story = story + ' Q: ' + question['input_text'] + ' A: ' + answers[question_index]['input_text']
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if not story[-1] == '.':
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story = story + '.'
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dataset_df = pd.DataFrame.from_dict(dataset)
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dataset = Dataset.from_pandas(dataset_df)
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dataset.save_to_disk(save_path)
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return save_path
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# dataset = datasets.load_from_disk(_save_dataset())
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def get_dataset(tokenizer, split='validation'):
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# from https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
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dataset = datasets.load_from_disk(_save_dataset())
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id_to_question_mapping = dict(zip(dataset['id'], dataset['question']))
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def encode_coqa(example):
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example['answer'] = [example['answer']['text']] + example['additional_answers']
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example['prompt'] = prompt = example['story'] + ' Q: ' + example['question'] + ' A:'
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return tokenizer(prompt, truncation=False, padding=False)
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dataset = dataset.map(encode_coqa, batched=False, load_from_cache_file=False)
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dataset.set_format(type='torch', columns=['input_ids', 'attention_mask'], output_all_columns=True)
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return dataset
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dataset = get_dataset(llama_iti.LlamaTokenizer.from_pretrained(MODEL, trust_remote_code=True))
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else:
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raise ValueError("Invalid dataset name")
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if args.gene:
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model = AutoModelForCausalLM.from_pretrained(MODEL,
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torch_dtype=torch.float16).cuda()
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tokenizer = AutoTokenizer.from_pretrained(MODEL, use_fast=False)
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begin_index = 0
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if args.dataset_name == 'tydiqa':
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end_index = len(used_indices)
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else:
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end_index = len(dataset)
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if not os.path.exists(f'./save_for_eval/{args.dataset_name}_hal_det_opt/'):
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os.mkdir(f'./save_for_eval/{args.dataset_name}_hal_det_opt/')
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if not os.path.exists(f'./save_for_eval/{args.dataset_name}_hal_det_opt/answers'):
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os.mkdir(f'./save_for_eval/{args.dataset_name}_hal_det_opt/answers')
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period_token_id = tokenizer('. ')['input_ids'][1]
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eos_tokens = ['Question:', ' Question:', '\n', 'Answer:', ' Answer:', 'Q:']
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question_framing_ids = [[tokenizer(eos_token)['input_ids'][1]] for eos_token in eos_tokens]
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for i in range(begin_index, end_index):
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answers = [None] * args.num_gene
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if args.dataset_name == 'tydiqa':
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question = dataset[int(used_indices[i])]['question']
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prompt = tokenizer(
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"Concisely answer the following question based on the information in the given passage: \n" + \
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" Passage: " + dataset[int(used_indices[i])]['context'] + " \n Q: " + question + " \n A:",
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return_tensors='pt').input_ids.cuda()
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elif args.dataset_name == 'coqa':
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prompt = tokenizer(
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dataset[i]['prompt'], return_tensors='pt').input_ids.cuda()
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else:
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question = dataset[i]['question']
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prompt = tokenizer(f"Answer the question concisely. Q: {question}" + " A:", return_tensors='pt').input_ids.cuda()
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for gen_iter in range(args.num_gene):
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if args.most_likely:
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generated = model.generate(prompt,
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num_beams=5,
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num_return_sequences=1,
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do_sample=False,
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max_new_tokens=64,
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eos_token_id=period_token_id,
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bad_words_ids=question_framing_ids
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)
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else:
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generated = model.generate(prompt,
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do_sample=True,
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num_return_sequences=1,
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num_beams=1,
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max_new_tokens=64,
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temperature=0.5,
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top_p=1.0,
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eos_token_id=period_token_id,
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bad_words_ids=question_framing_ids
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)
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decoded = tokenizer.decode(generated[0, prompt.shape[-1]:],
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skip_special_tokens=True)
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if args.dataset_name == 'tqa' or args.dataset_name == 'triviaqa':
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# corner case.
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if 'Answer the question concisely' in decoded:
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print('#####error')
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print(decoded.split('Answer the question concisely')[1])
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print('#####error')
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decoded = decoded.split('Answer the question concisely')[0]
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if args.dataset_name == 'coqa':
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if 'Q:' in decoded:
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print('#####error')
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print(decoded.split('Q:')[1])
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print('#####error')
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decoded = decoded.split('Q:')[0]
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print(decoded)
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answers[gen_iter] = decoded
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print('sample: ', i)
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if args.most_likely:
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info = 'most_likely_'
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else:
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info = 'batch_generations_'
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print("Saving answers")
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np.save(f'./save_for_eval/{args.dataset_name}_hal_det_opt/answers/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy',
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answers)
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elif args.generate_gt:
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from bleurt_pytorch import BleurtConfig, BleurtForSequenceClassification, BleurtTokenizer
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model = BleurtForSequenceClassification.from_pretrained('./models/BLEURT-20').cuda()
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tokenizer = BleurtTokenizer.from_pretrained('./models/BLEURT-20')
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model.eval()
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rouge = evaluate.load('rouge')
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gts = np.zeros(0)
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if args.dataset_name == 'tydiqa':
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length = len(used_indices)
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else:
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length = len(dataset)
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for i in range(length):
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if args.dataset_name == 'tqa':
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best_answer = dataset[i]['best_answer']
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correct_answer = dataset[i]['correct_answers']
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all_answers = [best_answer] + correct_answer
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elif args.dataset_name == 'triviaqa':
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all_answers = dataset[i]['answer']['aliases']
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elif args.dataset_name == 'coqa':
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all_answers = dataset[i]['answer']
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elif args.dataset_name == 'tydiqa':
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all_answers = dataset[int(used_indices[i])]['answers']['text']
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if args.most_likely:
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answers = np.load(
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f'./save_for_eval/{args.dataset_name}_hal_det_opt/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
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else:
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answers = np.load(
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f'./save_for_eval/{args.dataset_name}_hal_det_opt/answers/batch_generations_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
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# get the gt.
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if args.use_rouge:
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predictions = answers
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all_results = np.zeros((len(all_answers), len(predictions)))
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all_results1 = np.zeros((len(all_answers), len(predictions)))
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all_results2 = np.zeros((len(all_answers), len(predictions)))
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for anw in range(len(all_answers)):
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results = rouge.compute(predictions=predictions,
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references=[all_answers[anw]] * len(predictions),
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use_aggregator=False)
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all_results[anw] = results['rougeL']
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all_results1[anw] = results['rouge1']
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all_results2[anw] = results['rouge2']
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# breakpoint()
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gts = np.concatenate([gts, np.max(all_results, axis=0)], 0)
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if i % 50 == 0:
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print("samples passed: ", i)
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else:
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predictions = answers
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all_results = np.zeros((len(all_answers), len(predictions)))
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with torch.no_grad():
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for anw in range(len(all_answers)):
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inputs = tokenizer(predictions.tolist(), [all_answers[anw]] * len(predictions),
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padding='longest', return_tensors='pt')
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for key in list(inputs.keys()):
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inputs[key] = inputs[key].cuda()
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res = np.asarray(model(**inputs).logits.flatten().tolist())
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all_results[anw] = res
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gts = np.concatenate([gts, np.max(all_results, axis=0)], 0)
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if i % 10 == 0:
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print("samples passed: ", i)
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# breakpoint()
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if args.most_likely:
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if args.use_rouge:
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np.save(f'./ml_{args.dataset_name}_rouge_score_opt.npy', gts)
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else:
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np.save(f'./ml_{args.dataset_name}_bleurt_score_opt.npy', gts)
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else:
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if args.use_rouge:
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np.save(f'./bg_{args.dataset_name}_rouge_score_opt.npy', gts)
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else:
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np.save(f'./bg_{args.dataset_name}_bleurt_score_opt.npy', gts)
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else:
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|
||||||
model = AutoModelForCausalLM.from_pretrained(MODEL,
|
|
||||||
torch_dtype=torch.float16).cuda()
|
|
||||||
tokenizer = AutoTokenizer.from_pretrained(MODEL, use_fast=False)
|
|
||||||
# firstly get the embeddings of the generated question and answers.
|
|
||||||
embed_generated = []
|
|
||||||
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
length = len(used_indices)
|
|
||||||
else:
|
|
||||||
length = len(dataset)
|
|
||||||
for i in tqdm(range(length)):
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
question = dataset[int(used_indices[i])]['question']
|
|
||||||
else:
|
|
||||||
question = dataset[i]['question']
|
|
||||||
answers = np.load(
|
|
||||||
f'save_for_eval/{args.dataset_name}_hal_det_opt/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
|
||||||
|
|
||||||
for anw in answers:
|
|
||||||
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
prompt = tokenizer(
|
|
||||||
"Concisely answer the following question based on the information in the given passage: \n" + \
|
|
||||||
" Passage: " + dataset[int(used_indices[i])]['context'] + " \n Q: " + question + " \n A:",
|
|
||||||
return_tensors='pt').input_ids.cuda()
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
prompt = tokenizer(dataset[i]['prompt'] + anw, return_tensors='pt').input_ids.cuda()
|
|
||||||
else:
|
|
||||||
prompt = tokenizer(
|
|
||||||
f"Answer the question concisely. Q: {question}" + " A:" + anw,
|
|
||||||
return_tensors='pt').input_ids.cuda()
|
|
||||||
with torch.no_grad():
|
|
||||||
hidden_states = model(prompt, output_hidden_states=True).hidden_states
|
|
||||||
hidden_states = torch.stack(hidden_states, dim=0).squeeze()
|
|
||||||
hidden_states = hidden_states.detach().cpu().numpy()[:, -1, :]
|
|
||||||
embed_generated.append(hidden_states)
|
|
||||||
embed_generated = np.asarray(np.stack(embed_generated), dtype=np.float32)
|
|
||||||
np.save(f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_gene_embeddings_layer_wise.npy', embed_generated)
|
|
||||||
|
|
||||||
HEADS = [f"model.decoder.layers.{i}.self_attn.out_proj" for i in range(model.config.num_hidden_layers)]
|
|
||||||
MLPS = [f"model.decoder.layers.{i}.fc2" for i in range(model.config.num_hidden_layers)]
|
|
||||||
embed_generated_loc2 = []
|
|
||||||
embed_generated_loc1 = []
|
|
||||||
for i in tqdm(range(length)):
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
question = dataset[int(used_indices[i])]['question']
|
|
||||||
else:
|
|
||||||
question = dataset[i]['question']
|
|
||||||
|
|
||||||
|
|
||||||
answers = np.load(
|
|
||||||
f'save_for_eval/{args.dataset_name}_hal_det_opt/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
|
||||||
for anw in answers:
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
prompt = tokenizer(
|
|
||||||
"Concisely answer the following question based on the information in the given passage: \n" + \
|
|
||||||
" Passage: " + dataset[int(used_indices[i])]['context'] + " \n Q: " + question + " \n A:",
|
|
||||||
return_tensors='pt').input_ids.cuda()
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
prompt = tokenizer(dataset[i]['prompt'] + anw, return_tensors='pt').input_ids.cuda()
|
|
||||||
else:
|
|
||||||
prompt = tokenizer(
|
|
||||||
f"Answer the question concisely. Q: {question}" + " A:" + anw,
|
|
||||||
return_tensors='pt').input_ids.cuda()
|
|
||||||
|
|
||||||
with torch.no_grad():
|
|
||||||
with TraceDict(model, HEADS + MLPS) as ret:
|
|
||||||
output = model(prompt, output_hidden_states=True)
|
|
||||||
head_wise_hidden_states = [ret[head].output.squeeze().detach().cpu() for head in HEADS]
|
|
||||||
head_wise_hidden_states = torch.stack(head_wise_hidden_states, dim=0).squeeze().numpy()
|
|
||||||
mlp_wise_hidden_states = [ret[mlp].output.squeeze().detach().cpu() for mlp in MLPS]
|
|
||||||
mlp_wise_hidden_states = torch.stack(mlp_wise_hidden_states, dim=0).squeeze().numpy()
|
|
||||||
|
|
||||||
embed_generated_loc2.append(mlp_wise_hidden_states[:, -1, :])
|
|
||||||
embed_generated_loc1.append(head_wise_hidden_states[:, -1, :])
|
|
||||||
embed_generated_loc2 = np.asarray(np.stack(embed_generated_loc2), dtype=np.float32)
|
|
||||||
embed_generated_loc1 = np.asarray(np.stack(embed_generated_loc1), dtype=np.float32)
|
|
||||||
|
|
||||||
np.save(f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_gene_embeddings_head_wise.npy', embed_generated_loc1)
|
|
||||||
np.save(f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_embeddings_mlp_wise.npy', embed_generated_loc2)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
# get the split and label (true or false) of the unlabeled data and the test data.
|
|
||||||
if args.use_rouge:
|
|
||||||
gts = np.load(f'./ml_{args.dataset_name}_rouge_score_opt.npy')
|
|
||||||
gts_bg = np.load(f'./bg_{args.dataset_name}_rouge_score_opt.npy')
|
|
||||||
else:
|
|
||||||
gts = np.load(f'./ml_{args.dataset_name}_bleurt_score_opt.npy')
|
|
||||||
gts_bg = np.load(f'./bg_{args.dataset_name}_bleurt_score_opt.npy')
|
|
||||||
thres = args.thres_gt
|
|
||||||
gt_label = np.asarray(gts> thres, dtype=np.int32)
|
|
||||||
gt_label_bg = np.asarray(gts_bg > thres, dtype=np.int32)
|
|
||||||
|
|
||||||
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
length = len(used_indices)
|
|
||||||
else:
|
|
||||||
length = len(dataset)
|
|
||||||
|
|
||||||
|
|
||||||
permuted_index = np.random.permutation(length)
|
|
||||||
wild_q_indices = permuted_index[:int(args.wild_ratio * length)]
|
|
||||||
# exclude validation samples.
|
|
||||||
wild_q_indices1 = wild_q_indices[:len(wild_q_indices) - 100]
|
|
||||||
wild_q_indices2 = wild_q_indices[len(wild_q_indices) - 100:]
|
|
||||||
gt_label_test = []
|
|
||||||
gt_label_wild = []
|
|
||||||
gt_label_val = []
|
|
||||||
for i in range(length):
|
|
||||||
if i not in wild_q_indices:
|
|
||||||
gt_label_test.extend(gt_label[i: i+1])
|
|
||||||
elif i in wild_q_indices1:
|
|
||||||
gt_label_wild.extend(gt_label[i: i+1])
|
|
||||||
else:
|
|
||||||
gt_label_val.extend(gt_label[i: i+1])
|
|
||||||
gt_label_test = np.asarray(gt_label_test)
|
|
||||||
gt_label_wild = np.asarray(gt_label_wild)
|
|
||||||
gt_label_val = np.asarray(gt_label_val)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
def svd_embed_score(embed_generated_wild, gt_label, begin_k, k_span, mean=1, svd=1, weight=0):
|
|
||||||
embed_generated = embed_generated_wild
|
|
||||||
best_auroc_over_k = 0
|
|
||||||
best_layer_over_k = 0
|
|
||||||
best_scores_over_k = None
|
|
||||||
best_projection_over_k = None
|
|
||||||
for k in tqdm(range(begin_k, k_span)):
|
|
||||||
best_auroc = 0
|
|
||||||
best_layer = 0
|
|
||||||
best_scores = None
|
|
||||||
mean_recorded = None
|
|
||||||
best_projection = None
|
|
||||||
for layer in range(len(embed_generated_wild[0])):
|
|
||||||
if mean:
|
|
||||||
mean_recorded = embed_generated[:, layer, :].mean(0)
|
|
||||||
centered = embed_generated[:, layer, :] - mean_recorded
|
|
||||||
else:
|
|
||||||
centered = embed_generated[:, layer, :]
|
|
||||||
|
|
||||||
if not svd:
|
|
||||||
pca_model = PCA(n_components=k, whiten=False).fit(centered)
|
|
||||||
projection = pca_model.components_.T
|
|
||||||
mean_recorded = pca_model.mean_
|
|
||||||
if weight:
|
|
||||||
projection = pca_model.singular_values_ * projection
|
|
||||||
else:
|
|
||||||
_, sin_value, V_p = torch.linalg.svd(torch.from_numpy(centered).cuda())
|
|
||||||
projection = V_p[:k, :].T.cpu().data.numpy()
|
|
||||||
if weight:
|
|
||||||
projection = sin_value[:k] * projection
|
|
||||||
|
|
||||||
|
|
||||||
scores = np.mean(np.matmul(centered, projection), -1, keepdims=True)
|
|
||||||
assert scores.shape[1] == 1
|
|
||||||
scores = np.sqrt(np.sum(np.square(scores), axis=1))
|
|
||||||
|
|
||||||
# not sure about whether true and false data the direction will point to,
|
|
||||||
# so we test both. similar practices are in the representation engineering paper
|
|
||||||
# https://arxiv.org/abs/2310.01405
|
|
||||||
measures1 = get_measures(scores[gt_label == 1],
|
|
||||||
scores[gt_label == 0], plot=False)
|
|
||||||
measures2 = get_measures(-scores[gt_label == 1],
|
|
||||||
-scores[gt_label == 0], plot=False)
|
|
||||||
|
|
||||||
if measures1[0] > measures2[0]:
|
|
||||||
measures = measures1
|
|
||||||
sign_layer = 1
|
|
||||||
else:
|
|
||||||
measures = measures2
|
|
||||||
sign_layer = -1
|
|
||||||
|
|
||||||
if measures[0] > best_auroc:
|
|
||||||
best_auroc = measures[0]
|
|
||||||
best_result = [100 * measures[2], 100 * measures[0]]
|
|
||||||
best_layer = layer
|
|
||||||
best_scores = sign_layer * scores
|
|
||||||
best_projection = projection
|
|
||||||
best_mean = mean_recorded
|
|
||||||
best_sign = sign_layer
|
|
||||||
print('k: ', k, 'best result: ', best_result, 'layer: ', best_layer,
|
|
||||||
'mean: ', mean, 'svd: ', svd)
|
|
||||||
|
|
||||||
if best_auroc > best_auroc_over_k:
|
|
||||||
best_auroc_over_k = best_auroc
|
|
||||||
best_result_over_k = best_result
|
|
||||||
best_layer_over_k = best_layer
|
|
||||||
best_k = k
|
|
||||||
best_sign_over_k = best_sign
|
|
||||||
best_scores_over_k = best_scores
|
|
||||||
best_projection_over_k = best_projection
|
|
||||||
best_mean_over_k = best_mean
|
|
||||||
|
|
||||||
|
|
||||||
return {'k': best_k,
|
|
||||||
'best_layer':best_layer_over_k,
|
|
||||||
'best_auroc':best_auroc_over_k,
|
|
||||||
'best_result':best_result_over_k,
|
|
||||||
'best_scores':best_scores_over_k,
|
|
||||||
'best_mean': best_mean_over_k,
|
|
||||||
'best_sign':best_sign_over_k,
|
|
||||||
'best_projection':best_projection_over_k}
|
|
||||||
|
|
||||||
|
|
||||||
from sklearn.decomposition import PCA
|
|
||||||
feat_loc = args.feat_loc_svd
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if args.most_likely:
|
|
||||||
if feat_loc == 3:
|
|
||||||
embed_generated = np.load(f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_gene_embeddings_layer_wise.npy',
|
|
||||||
allow_pickle=True)
|
|
||||||
elif feat_loc == 2:
|
|
||||||
embed_generated = np.load(
|
|
||||||
f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_gene_embeddings_mlp_wise.npy',
|
|
||||||
allow_pickle=True)
|
|
||||||
else:
|
|
||||||
embed_generated = np.load(
|
|
||||||
f'save_for_eval/{args.dataset_name}_hal_det_opt/most_likely_{args.model_name}_gene_embeddings_head_wise.npy',
|
|
||||||
allow_pickle=True)
|
|
||||||
feat_indices_wild = []
|
|
||||||
feat_indices_eval = []
|
|
||||||
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
length = len(used_indices)
|
|
||||||
else:
|
|
||||||
length = len(dataset)
|
|
||||||
|
|
||||||
|
|
||||||
for i in range(length):
|
|
||||||
if i in wild_q_indices1:
|
|
||||||
feat_indices_wild.extend(np.arange(i, i+1).tolist())
|
|
||||||
elif i in wild_q_indices2:
|
|
||||||
feat_indices_eval.extend(np.arange(i, i + 1).tolist())
|
|
||||||
if feat_loc == 3:
|
|
||||||
embed_generated_wild = embed_generated[feat_indices_wild][:,1:,:]
|
|
||||||
embed_generated_eval = embed_generated[feat_indices_eval][:, 1:, :]
|
|
||||||
else:
|
|
||||||
embed_generated_wild = embed_generated[feat_indices_wild]
|
|
||||||
embed_generated_eval = embed_generated[feat_indices_eval]
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
# returned_results = svd_embed_score(embed_generated_wild, gt_label_wild,
|
|
||||||
# 1, 11, mean=0, svd=0, weight=args.weighted_svd)
|
|
||||||
# get the best hyper-parameters on validation set
|
|
||||||
returned_results = svd_embed_score(embed_generated_eval, gt_label_val,
|
|
||||||
1, 11, mean=0, svd=0, weight=args.weighted_svd)
|
|
||||||
|
|
||||||
pca_model = PCA(n_components=returned_results['k'], whiten=False).fit(embed_generated_wild[:,returned_results['best_layer'],:])
|
|
||||||
projection = pca_model.components_.T
|
|
||||||
if args.weighted_svd:
|
|
||||||
projection = pca_model.singular_values_ * projection
|
|
||||||
scores = np.mean(np.matmul(embed_generated_wild[:,returned_results['best_layer'],:], projection), -1, keepdims=True)
|
|
||||||
assert scores.shape[1] == 1
|
|
||||||
best_scores = np.sqrt(np.sum(np.square(scores), axis=1)) * returned_results['best_sign']
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
# direct projection
|
|
||||||
feat_indices_test = []
|
|
||||||
|
|
||||||
for i in range(length):
|
|
||||||
if i not in wild_q_indices:
|
|
||||||
feat_indices_test.extend(np.arange(1 * i, 1 * i + 1).tolist())
|
|
||||||
if feat_loc == 3:
|
|
||||||
embed_generated_test = embed_generated[feat_indices_test][:, 1:, :]
|
|
||||||
else:
|
|
||||||
embed_generated_test = embed_generated[feat_indices_test]
|
|
||||||
|
|
||||||
test_scores = np.mean(np.matmul(embed_generated_test[:,returned_results['best_layer'],:],
|
|
||||||
projection), -1, keepdims=True)
|
|
||||||
|
|
||||||
assert test_scores.shape[1] == 1
|
|
||||||
test_scores = np.sqrt(np.sum(np.square(test_scores), axis=1))
|
|
||||||
|
|
||||||
measures = get_measures(returned_results['best_sign'] * test_scores[gt_label_test == 1],
|
|
||||||
returned_results['best_sign'] *test_scores[gt_label_test == 0], plot=False)
|
|
||||||
print_measures(measures[0], measures[1], measures[2], 'direct-projection')
|
|
||||||
|
|
||||||
|
|
||||||
thresholds = np.linspace(0,1, num=40)[1:-1]
|
|
||||||
normalizer = lambda x: x / (np.linalg.norm(x, ord=2, axis=-1, keepdims=True) + 1e-10)
|
|
||||||
auroc_over_thres = []
|
|
||||||
for thres_wild in thresholds:
|
|
||||||
best_auroc = 0
|
|
||||||
for layer in range(len(embed_generated_wild[0])):
|
|
||||||
thres_wild_score = np.sort(best_scores)[int(len(best_scores) * thres_wild)]
|
|
||||||
true_wild = embed_generated_wild[:,layer,:][best_scores > thres_wild_score]
|
|
||||||
false_wild = embed_generated_wild[:,layer,:][best_scores <= thres_wild_score]
|
|
||||||
|
|
||||||
embed_train = np.concatenate([true_wild,false_wild],0)
|
|
||||||
label_train = np.concatenate([np.ones(len(true_wild)),
|
|
||||||
np.zeros(len(false_wild))], 0)
|
|
||||||
|
|
||||||
|
|
||||||
## gt training, saplma
|
|
||||||
# embed_train = embed_generated_wild[:,layer,:]
|
|
||||||
# label_train = gt_label_wild
|
|
||||||
## gt training, saplma
|
|
||||||
from linear_probe import get_linear_acc
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
best_acc, final_acc, (
|
|
||||||
clf, best_state, best_preds, preds, labels_val), losses_train = get_linear_acc(
|
|
||||||
embed_train,
|
|
||||||
label_train,
|
|
||||||
embed_train,
|
|
||||||
label_train,
|
|
||||||
2, epochs = 50,
|
|
||||||
print_ret = True,
|
|
||||||
batch_size=512,
|
|
||||||
cosine=True,
|
|
||||||
nonlinear = True,
|
|
||||||
learning_rate = 0.05,
|
|
||||||
weight_decay = 0.0003)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
clf.eval()
|
|
||||||
output = clf(torch.from_numpy(
|
|
||||||
embed_generated_test[:, layer, :]).cuda())
|
|
||||||
pca_wild_score_binary_cls = torch.sigmoid(output)
|
|
||||||
|
|
||||||
|
|
||||||
pca_wild_score_binary_cls = pca_wild_score_binary_cls.cpu().data.numpy()
|
|
||||||
|
|
||||||
if np.isnan(pca_wild_score_binary_cls).sum() > 0:
|
|
||||||
breakpoint()
|
|
||||||
measures = get_measures(pca_wild_score_binary_cls[gt_label_test == 1],
|
|
||||||
pca_wild_score_binary_cls[gt_label_test == 0], plot=False)
|
|
||||||
|
|
||||||
if measures[0] > best_auroc:
|
|
||||||
best_auroc = measures[0]
|
|
||||||
best_result = [100 * measures[0]]
|
|
||||||
best_layer = layer
|
|
||||||
|
|
||||||
auroc_over_thres.append(best_auroc)
|
|
||||||
print('thres: ', thres_wild, 'best result: ', best_result, 'best_layer: ', best_layer)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
seed_everything(42)
|
|
||||||
main()
|
|
||||||
463
hal_generate.py
463
hal_generate.py
|
|
@ -1,463 +0,0 @@
|
||||||
import os
|
|
||||||
import time
|
|
||||||
import torch
|
|
||||||
import torch.nn.functional as F
|
|
||||||
import evaluate
|
|
||||||
from datasets import load_metric
|
|
||||||
from datasets import load_dataset
|
|
||||||
import datasets
|
|
||||||
from tqdm import tqdm
|
|
||||||
import numpy as np
|
|
||||||
import pickle
|
|
||||||
# from utils import get_llama_activations_bau, tokenized_tqa, tokenized_tqa_gen, tokenized_tqa_gen_end_q
|
|
||||||
from utils import get_hal_prompt, get_qa_prompt, get_truth_prompt
|
|
||||||
import llama_iti
|
|
||||||
import pickle
|
|
||||||
import argparse
|
|
||||||
import matplotlib.pyplot as plt
|
|
||||||
from pprint import pprint
|
|
||||||
from baukit import Trace, TraceDict
|
|
||||||
from metric_utils import get_measures, print_measures
|
|
||||||
import re
|
|
||||||
from torch.autograd import Variable
|
|
||||||
from openai import OpenAI
|
|
||||||
import openai
|
|
||||||
|
|
||||||
API={
|
|
||||||
'gpt-3.5-turbo':{'base_url':"https://api.agicto.cn/v1",'key':''},
|
|
||||||
'deepseek-chat':{'base_url':"https://api.deepseek.com/v1",'key':'sk-5f06261529bb44df86d9b2fdbae1a6b5'},
|
|
||||||
'qwen-plus':{'base_url':"https://dashscope.aliyuncs.com/compatible-mode/v1",'key':'sk-5be20597fa574155a9e56d7df1acfc7f'},
|
|
||||||
'step-1-8k':{'base_url':"https://api.stepfun.com/v1",'key':'2hqEtnMCWe5cugi1mAVWRZat5hydLFG8tEJWPRW5XnxglpWxRBp5W0M0dvPAFXhC3'},
|
|
||||||
'moonshot-v1-8k':{'base_url':"https://api.moonshot.cn/v1",'key':'sk-8zjQm3CMAI7qQUWYLgFxSCCQxCOkVfuSkRcs6kNxUZY2L4aV'},
|
|
||||||
'ERNIE-3.5-8K':{'base_url':"https://api.agicto.cn/v1",'key':'sk-BmLsx7BClpqtmIwxLNB5pH5lJ36WJ7GxiV3nV5PiwF7Iwauf'},
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
def seed_everything(seed: int):
|
|
||||||
import random, os
|
|
||||||
import numpy as np
|
|
||||||
import torch
|
|
||||||
|
|
||||||
random.seed(seed)
|
|
||||||
os.environ['PYTHONHASHSEED'] = str(seed)
|
|
||||||
np.random.seed(seed)
|
|
||||||
torch.manual_seed(seed)
|
|
||||||
torch.cuda.manual_seed(seed)
|
|
||||||
torch.backends.cudnn.deterministic = True
|
|
||||||
torch.backends.cudnn.benchmark = True
|
|
||||||
|
|
||||||
HF_NAMES = {
|
|
||||||
'llama_7B': 'baffo32/decapoda-research-llama-7B-hf',
|
|
||||||
'honest_llama_7B': 'validation/results_dump/llama_7B_seed_42_top_48_heads_alpha_15',
|
|
||||||
'alpaca_7B': 'circulus/alpaca-7b',
|
|
||||||
'vicuna_7B': 'AlekseyKorshuk/vicuna-7b',
|
|
||||||
'llama2_chat_7B': 'models/Llama-2-7b-chat-hf',
|
|
||||||
'llama2_chat_13B': 'models/Llama-2-13b-chat-hf',
|
|
||||||
'llama2_chat_70B': 'meta-llama/Llama-2-70b-chat-hf',
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
def main():
|
|
||||||
|
|
||||||
|
|
||||||
parser = argparse.ArgumentParser()
|
|
||||||
parser.add_argument('--model_name', type=str, default='step-1-8k')
|
|
||||||
parser.add_argument('--dataset_name', type=str, default='triviaqa')
|
|
||||||
parser.add_argument('--num_gene', type=int, default=1)
|
|
||||||
parser.add_argument('--use_api', type=bool, default=True)
|
|
||||||
parser.add_argument('--most_likely', type=bool, default=True)
|
|
||||||
parser.add_argument("--model_dir", type=str, default=None, help='local directory with model data')
|
|
||||||
parser.add_argument("--instruction", type=str, default='/home/liwenyun/code/haloscope/generation/qa/qa_one-turn_instruction.txt', help='local directory of instruction file.')
|
|
||||||
args = parser.parse_args()
|
|
||||||
|
|
||||||
|
|
||||||
if args.use_api:
|
|
||||||
# openai.api_base=API[args.model_name]['base_url']
|
|
||||||
# openai.api_key=API[args.model_name]['key']
|
|
||||||
client = OpenAI(
|
|
||||||
api_key = API[args.model_name]['key'],
|
|
||||||
base_url = API[args.model_name]['base_url'],
|
|
||||||
)
|
|
||||||
|
|
||||||
else:
|
|
||||||
MODEL = HF_NAMES[args.model_name] if not args.model_dir else args.model_dir
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if args.dataset_name == "tqa":
|
|
||||||
dataset = load_dataset("truthful_qa", 'generation')['validation']
|
|
||||||
elif args.dataset_name == 'triviaqa':
|
|
||||||
dataset = load_dataset("trivia_qa", "rc.nocontext", split="validation")
|
|
||||||
id_mem = set()
|
|
||||||
|
|
||||||
def remove_dups(batch):
|
|
||||||
if batch['question_id'][0] in id_mem:
|
|
||||||
return {_: [] for _ in batch.keys()}
|
|
||||||
id_mem.add(batch['question_id'][0])
|
|
||||||
return batch
|
|
||||||
|
|
||||||
dataset = dataset.map(remove_dups, batch_size=1, batched=True, load_from_cache_file=False)
|
|
||||||
elif args.dataset_name == 'tydiqa':
|
|
||||||
dataset = datasets.load_dataset("tydiqa", "secondary_task", split="train")
|
|
||||||
used_indices = []
|
|
||||||
for i in range(len(dataset)):
|
|
||||||
if 'english' in dataset[i]['id']:
|
|
||||||
used_indices.append(i)
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
import json
|
|
||||||
import pandas as pd
|
|
||||||
from datasets import Dataset
|
|
||||||
|
|
||||||
def _save_dataset():
|
|
||||||
# https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
|
|
||||||
save_path = f'./coqa_dataset'
|
|
||||||
if not os.path.exists(save_path):
|
|
||||||
# https://downloads.cs.stanford.edu/nlp/data/coqa/coqa-dev-v1.0.json
|
|
||||||
with open(f'./coqa-dev-v1.0.json', 'r') as infile:
|
|
||||||
data = json.load(infile)['data']
|
|
||||||
|
|
||||||
dataset = {}
|
|
||||||
|
|
||||||
dataset['story'] = []
|
|
||||||
dataset['question'] = []
|
|
||||||
dataset['answer'] = []
|
|
||||||
dataset['additional_answers'] = []
|
|
||||||
dataset['id'] = []
|
|
||||||
|
|
||||||
for sample_id, sample in enumerate(data):
|
|
||||||
story = sample['story']
|
|
||||||
questions = sample['questions']
|
|
||||||
answers = sample['answers']
|
|
||||||
additional_answers = sample['additional_answers']
|
|
||||||
for question_index, question in enumerate(questions):
|
|
||||||
dataset['story'].append(story)
|
|
||||||
dataset['question'].append(question['input_text'])
|
|
||||||
dataset['answer'].append({
|
|
||||||
'text': answers[question_index]['input_text'],
|
|
||||||
'answer_start': answers[question_index]['span_start']
|
|
||||||
})
|
|
||||||
dataset['id'].append(sample['id'] + '_' + str(question_index))
|
|
||||||
additional_answers_list = []
|
|
||||||
|
|
||||||
for i in range(3):
|
|
||||||
additional_answers_list.append(additional_answers[str(i)][question_index]['input_text'])
|
|
||||||
|
|
||||||
dataset['additional_answers'].append(additional_answers_list)
|
|
||||||
story = story + ' Q: ' + question['input_text'] + ' A: ' + answers[question_index]['input_text']
|
|
||||||
if not story[-1] == '.':
|
|
||||||
story = story + '.'
|
|
||||||
|
|
||||||
dataset_df = pd.DataFrame.from_dict(dataset)
|
|
||||||
|
|
||||||
dataset = Dataset.from_pandas(dataset_df)
|
|
||||||
|
|
||||||
dataset.save_to_disk(save_path)
|
|
||||||
return save_path
|
|
||||||
|
|
||||||
# dataset = datasets.load_from_disk(_save_dataset())
|
|
||||||
def get_dataset(tokenizer, split='validation'):
|
|
||||||
# from https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
|
|
||||||
dataset = datasets.load_from_disk(_save_dataset())
|
|
||||||
id_to_question_mapping = dict(zip(dataset['id'], dataset['question']))
|
|
||||||
|
|
||||||
def encode_coqa(example):
|
|
||||||
example['answer'] = [example['answer']['text']] + example['additional_answers']
|
|
||||||
example['prompt'] = prompt = example['story'] + ' Q: ' + example['question'] + ' A:'
|
|
||||||
return tokenizer(prompt, truncation=False, padding=False)
|
|
||||||
|
|
||||||
dataset = dataset.map(encode_coqa, batched=False, load_from_cache_file=False)
|
|
||||||
dataset.set_format(type='torch', columns=['input_ids', 'attention_mask'], output_all_columns=True)
|
|
||||||
return dataset
|
|
||||||
|
|
||||||
dataset = get_dataset(llama_iti.LlamaTokenizer.from_pretrained(MODEL, trust_remote_code=True))
|
|
||||||
else:
|
|
||||||
raise ValueError("Invalid dataset name")
|
|
||||||
f = open(args.instruction, 'r', encoding="utf-8")
|
|
||||||
instruction = f.read()
|
|
||||||
error_output='No output'
|
|
||||||
|
|
||||||
if args.use_api:
|
|
||||||
begin_index = 0
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
end_index = len(used_indices)
|
|
||||||
else:
|
|
||||||
end_index = len(dataset)
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/')
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/')
|
|
||||||
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers')
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/hallucinations'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/hallucinations')
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/truths'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/truths')
|
|
||||||
|
|
||||||
|
|
||||||
for i in range(begin_index, end_index):
|
|
||||||
answers = [None] * args.num_gene
|
|
||||||
hallucinations= [None] * args.num_gene
|
|
||||||
truths = [None] * args.num_gene
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
question = dataset[int(used_indices[i])]['question']
|
|
||||||
prompt = get_qa_prompt(dataset[int(used_indices[i])]['context'],question)
|
|
||||||
hallucination_prompt=get_hal_prompt(dataset[int(used_indices[i])]['context'],question,instruction)
|
|
||||||
truth_prompt=get_truth_prompt(dataset[int(used_indices[i])]['context'],question)
|
|
||||||
elif args.dataset_name == 'triviaqa':
|
|
||||||
prompt = get_qa_prompt("None",dataset[i]['question'])
|
|
||||||
question= dataset[i]['question']
|
|
||||||
hallucination_prompt=get_hal_prompt("None",dataset[i]['question'],instruction)
|
|
||||||
truth_prompt=get_truth_prompt("None",question)
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
prompt = get_qa_prompt("None",dataset[i]['prompt'])
|
|
||||||
hallucination_prompt=get_hal_prompt("None",dataset[i]['prompt'],instruction)
|
|
||||||
else:
|
|
||||||
question = dataset[i]['question']
|
|
||||||
prompt = get_qa_prompt("None",question)
|
|
||||||
hallucination_prompt=get_hal_prompt("None",question,instruction)
|
|
||||||
|
|
||||||
for gen_iter in range(args.num_gene):
|
|
||||||
if args.most_likely:
|
|
||||||
try:
|
|
||||||
response = client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = prompt,
|
|
||||||
max_tokens=256,
|
|
||||||
top_p=1,
|
|
||||||
temperature = 1,
|
|
||||||
)
|
|
||||||
decoded=response.choices[0].message.content
|
|
||||||
except openai.APIStatusError as e:
|
|
||||||
print("error occured!"+str(gen_iter)+"responce {e}")
|
|
||||||
decoded = error_output
|
|
||||||
try:
|
|
||||||
hallucination_response = client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = hallucination_prompt,
|
|
||||||
max_tokens=256,
|
|
||||||
top_p=1,
|
|
||||||
temperature = 1,
|
|
||||||
)
|
|
||||||
hallucination_decoded=hallucination_response.choices[0].message.content
|
|
||||||
except openai.APIStatusError as e:
|
|
||||||
print("error occured!"+str(gen_iter)+"hallucination_responce {e}")
|
|
||||||
hallucination_decoded = error_output
|
|
||||||
if args.dataset_name == 'tydiqa' or args.dataset_name == 'tydiqa':
|
|
||||||
try:
|
|
||||||
truth_response=client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = truth_prompt,
|
|
||||||
max_tokens=256,
|
|
||||||
top_p=1,
|
|
||||||
temperature=1
|
|
||||||
)
|
|
||||||
truth_decoded=truth_response.choices[0].message.content
|
|
||||||
except openai.APIStatusError as e:
|
|
||||||
print("error occured!"+str(gen_iter)+"truth_responce {e}")
|
|
||||||
truth_decoded =error_output
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
else:
|
|
||||||
response = client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = prompt,
|
|
||||||
max_tokens=256,
|
|
||||||
n=1,
|
|
||||||
# best_of=1,
|
|
||||||
top_p=0.5,
|
|
||||||
temperature = 0.5,
|
|
||||||
)
|
|
||||||
|
|
||||||
hallucination_response = client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = hallucination_prompt,
|
|
||||||
max_tokens=256,
|
|
||||||
n=1,
|
|
||||||
# best_of=1,
|
|
||||||
top_p=0.5,
|
|
||||||
temperature = 0.5,
|
|
||||||
)
|
|
||||||
if args.dataset_name == 'tydiqa' or args.dataset_name == 'tydiqa':
|
|
||||||
truth_response=client.chat.completions.create(
|
|
||||||
model = args.model_name,
|
|
||||||
messages = truth_prompt,
|
|
||||||
top_p=0.5,
|
|
||||||
temperature = 0.5,
|
|
||||||
)
|
|
||||||
truth_decoded=truth_response.choices[0].message.content
|
|
||||||
decoded=response.choices[0].message.content
|
|
||||||
hallucination_decoded=hallucination_response.choices[0].message.content
|
|
||||||
time.sleep(40)
|
|
||||||
|
|
||||||
|
|
||||||
# decoded = tokenizer.decode(generated[0, prompt.shape[-1]:],
|
|
||||||
# skip_special_tokens=True)
|
|
||||||
if args.dataset_name == 'tqa' or args.dataset_name == 'triviaqa':
|
|
||||||
# corner case.
|
|
||||||
if 'Answer the question concisely' in decoded:
|
|
||||||
decoded = decoded.split('Answer the question concisely')[0]
|
|
||||||
if 'Answer the question concisely' in hallucination_decoded:
|
|
||||||
hallucination_decoded = hallucination_decoded.split('Answer the question concisely')[0]
|
|
||||||
if args.dataset_name == 'coqa':
|
|
||||||
if 'Q:' in decoded:
|
|
||||||
decoded = decoded.split('Q:')[0]
|
|
||||||
if 'Q:' in hallucination_decoded:
|
|
||||||
hallucination_decoded = hallucination_decoded.split('Q:')[0]
|
|
||||||
answers[gen_iter] = decoded
|
|
||||||
hallucinations[gen_iter]=hallucination_decoded
|
|
||||||
if args.dataset_name == 'tydiqa' or args.dataset_name == 'tydiqa':
|
|
||||||
truths[gen_iter]=truth_decoded
|
|
||||||
|
|
||||||
|
|
||||||
if args.dataset_name == 'coqa':
|
|
||||||
truths=[dataset[i]['answer']]+dataset[i]['additional_answers']
|
|
||||||
truths=truths[:args.num_gene]
|
|
||||||
elif args.dataset_name == 'tqa':
|
|
||||||
truths=[dataset[i]['best_answer']]+dataset[i]['correct_answers']
|
|
||||||
truths=truths[:args.num_gene]
|
|
||||||
else:
|
|
||||||
assert 'Not supported dataset!'
|
|
||||||
|
|
||||||
print('sample: ', i)
|
|
||||||
if args.most_likely:
|
|
||||||
info = 'most_likely_'
|
|
||||||
else:
|
|
||||||
info = 'batch_generations_'
|
|
||||||
print("Saving answers")
|
|
||||||
np.save(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy',
|
|
||||||
answers)
|
|
||||||
print("Saving hallucinations")
|
|
||||||
np.save(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/hallucinations/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_hallucinations_index_{i}.npy',
|
|
||||||
hallucinations)
|
|
||||||
print("Saving truths")
|
|
||||||
np.save(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/truths/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_truths_index_{i}.npy',
|
|
||||||
truths)
|
|
||||||
|
|
||||||
else:
|
|
||||||
tokenizer = llama_iti.LlamaTokenizer.from_pretrained(MODEL, trust_remote_code=True)
|
|
||||||
model = llama_iti.LlamaForCausalLM.from_pretrained(MODEL, low_cpu_mem_usage=True, torch_dtype=torch.float16,
|
|
||||||
device_map="auto").cuda()
|
|
||||||
|
|
||||||
begin_index = 0
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
end_index = len(used_indices)
|
|
||||||
else:
|
|
||||||
end_index = len(dataset)
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/')
|
|
||||||
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers')
|
|
||||||
|
|
||||||
if not os.path.exists(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/hallucinations'):
|
|
||||||
os.mkdir(f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/hallucinations')
|
|
||||||
|
|
||||||
period_token_id = [tokenizer(_)['input_ids'][-1] for _ in ['\n']]
|
|
||||||
period_token_id += [tokenizer.eos_token_id]
|
|
||||||
|
|
||||||
for i in range(begin_index, end_index):
|
|
||||||
answers = [None] * args.num_gene
|
|
||||||
hallucinations= [None] * args.num_gene
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
question = dataset[int(used_indices[i])]['question']
|
|
||||||
prompt = tokenizer(
|
|
||||||
"Concisely answer the following question based on the information in the given passage: \n" + \
|
|
||||||
" Passage: " + dataset[int(used_indices[i])]['context'] + " \n Q: " + question + " \n A:",
|
|
||||||
return_tensors='pt').input_ids.cuda()
|
|
||||||
hallucination_prompt=tokenizer(
|
|
||||||
get_hal_prompt(dataset[int(used_indices[i])]['context'],question,instruction), return_tensors='pt'
|
|
||||||
).input_ids.cuda()
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
prompt = tokenizer(
|
|
||||||
dataset[i]['prompt'], return_tensors='pt').input_ids.cuda()
|
|
||||||
# hallucination_prompt=get_hal_prompt("None",dataset[i]['prompt'],instruction)
|
|
||||||
hallucination_prompt=tokenizer(
|
|
||||||
get_hal_prompt("None",dataset[i]['prompt'],instruction) , return_tensors='pt'
|
|
||||||
).input_ids.cuda()
|
|
||||||
else:
|
|
||||||
question = dataset[i]['question']
|
|
||||||
prompt = tokenizer(f"Answer the question concisely. Q: {question}" + " A:", return_tensors='pt').input_ids.cuda()
|
|
||||||
# hallucination_prompt=get_hal_prompt("None",question,instruction)
|
|
||||||
hallucination_prompt=tokenizer(
|
|
||||||
get_hal_prompt("None",question,instruction), return_tensors='pt'
|
|
||||||
).input_ids.cuda()
|
|
||||||
for gen_iter in range(args.num_gene):
|
|
||||||
if args.most_likely:
|
|
||||||
generated = model.generate(prompt,
|
|
||||||
num_beams=5,
|
|
||||||
num_return_sequences=1,
|
|
||||||
do_sample=False,
|
|
||||||
max_new_tokens=128,
|
|
||||||
)
|
|
||||||
hallucination_generated=model.generate(hallucination_prompt,
|
|
||||||
num_beams=5,
|
|
||||||
num_return_sequences=1,
|
|
||||||
do_sample=False,
|
|
||||||
max_new_tokens=128,
|
|
||||||
)
|
|
||||||
else:
|
|
||||||
generated = model.generate(prompt,
|
|
||||||
do_sample=True,
|
|
||||||
num_return_sequences=1,
|
|
||||||
num_beams=1,
|
|
||||||
max_new_tokens=128,
|
|
||||||
temperature=0.5,
|
|
||||||
top_p=1.0)
|
|
||||||
hallucination_generated=model.generate(hallucination_prompt,
|
|
||||||
do_sample=True,
|
|
||||||
num_return_sequences=1,
|
|
||||||
num_beams=1,
|
|
||||||
max_new_tokens=128,
|
|
||||||
temperature=0.5,
|
|
||||||
top_p=1.0)
|
|
||||||
|
|
||||||
decoded = tokenizer.decode(generated[0, prompt.shape[-1]:],
|
|
||||||
skip_special_tokens=True)
|
|
||||||
hallucination_decoded=tokenizer.decode(hallucination_generated[0, prompt.shape[-1]:],
|
|
||||||
skip_special_tokens=True)
|
|
||||||
if args.dataset_name == 'tqa' or args.dataset_name == 'triviaqa':
|
|
||||||
# corner case.
|
|
||||||
if 'Answer the question concisely' in decoded:
|
|
||||||
decoded = decoded.split('Answer the question concisely')[0]
|
|
||||||
if 'Answer the question concisely' in hallucination_decoded:
|
|
||||||
hallucination_decoded = hallucination_decoded.split('Answer the question concisely')[0]
|
|
||||||
if args.dataset_name == 'coqa':
|
|
||||||
if 'Q:' in decoded:
|
|
||||||
decoded = decoded.split('Q:')[0]
|
|
||||||
if 'Q:' in hallucination_decoded:
|
|
||||||
hallucination_decoded = hallucination_decoded.split('Q:')[0]
|
|
||||||
answers[gen_iter] = decoded
|
|
||||||
hallucinations[gen_iter]=hallucination_decoded
|
|
||||||
|
|
||||||
|
|
||||||
print('sample: ', i)
|
|
||||||
if args.most_likely:
|
|
||||||
info = 'most_likely_'
|
|
||||||
else:
|
|
||||||
info = 'batch_generations_'
|
|
||||||
print("Saving answers")
|
|
||||||
np.save(f'./save_for_eval/{args.dataset_name}_hal_det/answers/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy',
|
|
||||||
answers)
|
|
||||||
print("Saving hallucinations")
|
|
||||||
np.save(f'./save_for_eval/{args.dataset_name}_hal_det/hallucinations/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_hallucinations_index_{i}.npy',
|
|
||||||
hallucinations)
|
|
||||||
|
|
||||||
|
|
||||||
# get the split and label (true or false) of the unlabeled data and the test data.
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
seed_everything(42)
|
|
||||||
main()
|
|
||||||
268
hal_gt.py
268
hal_gt.py
|
|
@ -1,268 +0,0 @@
|
||||||
import os
|
|
||||||
import torch
|
|
||||||
import torch.nn.functional as F
|
|
||||||
import evaluate
|
|
||||||
from datasets import load_metric
|
|
||||||
from datasets import load_dataset
|
|
||||||
import datasets
|
|
||||||
from tqdm import tqdm
|
|
||||||
import numpy as np
|
|
||||||
import pickle
|
|
||||||
import llama_iti
|
|
||||||
import pickle
|
|
||||||
import argparse
|
|
||||||
import matplotlib.pyplot as plt
|
|
||||||
from pprint import pprint
|
|
||||||
from baukit import Trace, TraceDict
|
|
||||||
from metric_utils import get_measures, print_measures
|
|
||||||
import re
|
|
||||||
from torch.autograd import Variable
|
|
||||||
from bleurt_pytorch import BleurtConfig, BleurtForSequenceClassification, BleurtTokenizer
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
def seed_everything(seed: int):
|
|
||||||
import random, os
|
|
||||||
import numpy as np
|
|
||||||
import torch
|
|
||||||
|
|
||||||
random.seed(seed)
|
|
||||||
os.environ['PYTHONHASHSEED'] = str(seed)
|
|
||||||
np.random.seed(seed)
|
|
||||||
torch.manual_seed(seed)
|
|
||||||
torch.cuda.manual_seed(seed)
|
|
||||||
torch.backends.cudnn.deterministic = True
|
|
||||||
torch.backends.cudnn.benchmark = True
|
|
||||||
|
|
||||||
HF_NAMES = {
|
|
||||||
'llama_7B': 'baffo32/decapoda-research-llama-7B-hf',
|
|
||||||
'honest_llama_7B': 'validation/results_dump/llama_7B_seed_42_top_48_heads_alpha_15',
|
|
||||||
'alpaca_7B': 'circulus/alpaca-7b',
|
|
||||||
'vicuna_7B': 'AlekseyKorshuk/vicuna-7b',
|
|
||||||
'llama2_chat_7B': 'models/Llama-2-7b-chat-hf',
|
|
||||||
'llama2_chat_13B': 'models/Llama-2-13b-chat-hf',
|
|
||||||
'llama2_chat_70B': 'meta-llama/Llama-2-70b-chat-hf',
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
def main():
|
|
||||||
|
|
||||||
|
|
||||||
parser = argparse.ArgumentParser()
|
|
||||||
parser.add_argument('--model', type=str, default='llama2_chat_7B')
|
|
||||||
parser.add_argument('--model_name', type=str, default='moonshot-v1-8k')
|
|
||||||
parser.add_argument('--dataset_name', type=str, default='tqa')
|
|
||||||
parser.add_argument('--num_gene', type=int, default=1)
|
|
||||||
parser.add_argument('--use_api', type=bool, default=False)
|
|
||||||
parser.add_argument('--most_likely', type=bool, default=False)
|
|
||||||
parser.add_argument("--model_dir", type=str, default=None, help='local directory with model data')
|
|
||||||
parser.add_argument("--instruction", type=str, default=None, help='local directory of instruction file.')
|
|
||||||
parser.add_argument('--use_rouge', type=bool, default=True)
|
|
||||||
parser.add_argument('--thres_gt', type=float, default=0.5)
|
|
||||||
|
|
||||||
# parser.add_argument('--model_name', type=str, default='llama2_chat_7B')
|
|
||||||
# parser.add_argument('--dataset_name', type=str, default='triviaqa')
|
|
||||||
# parser.add_argument('--num_gene', type=int, default=1)
|
|
||||||
# parser.add_argument('--gene', type=int, default=0)
|
|
||||||
# parser.add_argument('--generate_gt', type=int, default=0)
|
|
||||||
# parser.add_argument('--use_rouge', type=int, default=0)
|
|
||||||
# parser.add_argument('--weighted_svd', type=int, default=0)
|
|
||||||
# parser.add_argument('--feat_loc_svd', type=int, default=0)
|
|
||||||
# parser.add_argument('--wild_ratio', type=float, default=0.75)
|
|
||||||
# parser.add_argument('--thres_gt', type=float, default=0.5)
|
|
||||||
# parser.add_argument('--most_likely', type=int, default=0)
|
|
||||||
|
|
||||||
# parser.add_argument("--model_dir", type=str, default=None, help='local directory with model data')
|
|
||||||
args = parser.parse_args()
|
|
||||||
|
|
||||||
MODEL = HF_NAMES[args.model] if not args.model_dir else args.model_dir
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if args.dataset_name == "tqa":
|
|
||||||
dataset = load_dataset("truthful_qa", 'generation')['validation']
|
|
||||||
elif args.dataset_name == 'triviaqa':
|
|
||||||
dataset = load_dataset("trivia_qa", "rc.nocontext", split="validation")
|
|
||||||
id_mem = set()
|
|
||||||
|
|
||||||
def remove_dups(batch):
|
|
||||||
if batch['question_id'][0] in id_mem:
|
|
||||||
return {_: [] for _ in batch.keys()}
|
|
||||||
id_mem.add(batch['question_id'][0])
|
|
||||||
return batch
|
|
||||||
|
|
||||||
dataset = dataset.map(remove_dups, batch_size=1, batched=True, load_from_cache_file=False)
|
|
||||||
elif args.dataset_name == 'tydiqa':
|
|
||||||
dataset = datasets.load_dataset("tydiqa", "secondary_task", split="train")
|
|
||||||
used_indices = []
|
|
||||||
for i in range(len(dataset)):
|
|
||||||
if 'english' in dataset[i]['id']:
|
|
||||||
used_indices.append(i)
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
import json
|
|
||||||
import pandas as pd
|
|
||||||
from datasets import Dataset
|
|
||||||
|
|
||||||
def _save_dataset():
|
|
||||||
# https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
|
|
||||||
save_path = f'./coqa_dataset'
|
|
||||||
if not os.path.exists(save_path):
|
|
||||||
# https://downloads.cs.stanford.edu/nlp/data/coqa/coqa-dev-v1.0.json
|
|
||||||
with open(f'./coqa-dev-v1.0.json', 'r') as infile:
|
|
||||||
data = json.load(infile)['data']
|
|
||||||
|
|
||||||
dataset = {}
|
|
||||||
|
|
||||||
dataset['story'] = []
|
|
||||||
dataset['question'] = []
|
|
||||||
dataset['answer'] = []
|
|
||||||
dataset['additional_answers'] = []
|
|
||||||
dataset['id'] = []
|
|
||||||
|
|
||||||
for sample_id, sample in enumerate(data):
|
|
||||||
story = sample['story']
|
|
||||||
questions = sample['questions']
|
|
||||||
answers = sample['answers']
|
|
||||||
additional_answers = sample['additional_answers']
|
|
||||||
for question_index, question in enumerate(questions):
|
|
||||||
dataset['story'].append(story)
|
|
||||||
dataset['question'].append(question['input_text'])
|
|
||||||
dataset['answer'].append({
|
|
||||||
'text': answers[question_index]['input_text'],
|
|
||||||
'answer_start': answers[question_index]['span_start']
|
|
||||||
})
|
|
||||||
dataset['id'].append(sample['id'] + '_' + str(question_index))
|
|
||||||
additional_answers_list = []
|
|
||||||
|
|
||||||
for i in range(3):
|
|
||||||
additional_answers_list.append(additional_answers[str(i)][question_index]['input_text'])
|
|
||||||
|
|
||||||
dataset['additional_answers'].append(additional_answers_list)
|
|
||||||
story = story + ' Q: ' + question['input_text'] + ' A: ' + answers[question_index]['input_text']
|
|
||||||
if not story[-1] == '.':
|
|
||||||
story = story + '.'
|
|
||||||
|
|
||||||
dataset_df = pd.DataFrame.from_dict(dataset)
|
|
||||||
|
|
||||||
dataset = Dataset.from_pandas(dataset_df)
|
|
||||||
|
|
||||||
dataset.save_to_disk(save_path)
|
|
||||||
return save_path
|
|
||||||
|
|
||||||
# dataset = datasets.load_from_disk(_save_dataset())
|
|
||||||
def get_dataset(tokenizer, split='validation'):
|
|
||||||
# from https://github.com/lorenzkuhn/semantic_uncertainty/blob/main/code/parse_coqa.py
|
|
||||||
dataset = datasets.load_from_disk(_save_dataset())
|
|
||||||
id_to_question_mapping = dict(zip(dataset['id'], dataset['question']))
|
|
||||||
|
|
||||||
def encode_coqa(example):
|
|
||||||
example['answer'] = [example['answer']['text']] + example['additional_answers']
|
|
||||||
example['prompt'] = prompt = example['story'] + ' Q: ' + example['question'] + ' A:'
|
|
||||||
return tokenizer(prompt, truncation=False, padding=False)
|
|
||||||
|
|
||||||
dataset = dataset.map(encode_coqa, batched=False, load_from_cache_file=False)
|
|
||||||
dataset.set_format(type='torch', columns=['input_ids', 'attention_mask'], output_all_columns=True)
|
|
||||||
return dataset
|
|
||||||
|
|
||||||
dataset = get_dataset(llama_iti.LlamaTokenizer.from_pretrained(MODEL, trust_remote_code=True))
|
|
||||||
else:
|
|
||||||
raise ValueError("Invalid dataset name")
|
|
||||||
|
|
||||||
model = BleurtForSequenceClassification.from_pretrained('lucadiliello/BLEURT-20').cuda()
|
|
||||||
tokenizer = BleurtTokenizer.from_pretrained('lucadiliello/BLEURT-20')
|
|
||||||
model.eval()
|
|
||||||
|
|
||||||
|
|
||||||
# elif args.generate_gt:
|
|
||||||
# from bleurt_pytorch import BleurtConfig, BleurtForSequenceClassification, BleurtTokenizer
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
rouge = evaluate.load('rouge')
|
|
||||||
gts = np.zeros(0)
|
|
||||||
if args.dataset_name == 'tydiqa':
|
|
||||||
length = len(used_indices)
|
|
||||||
else:
|
|
||||||
length = len(dataset)
|
|
||||||
for i in range(length):
|
|
||||||
if args.dataset_name == 'tqa':
|
|
||||||
best_answer = dataset[i]['best_answer']
|
|
||||||
correct_answer = dataset[i]['correct_answers']
|
|
||||||
all_answers = [best_answer] + correct_answer
|
|
||||||
elif args.dataset_name == 'triviaqa':
|
|
||||||
all_answers = dataset[i]['answer']['aliases']
|
|
||||||
elif args.dataset_name == 'coqa':
|
|
||||||
all_answers = dataset[i]['answer']
|
|
||||||
elif args.dataset_name == 'tydiqa':
|
|
||||||
all_answers = dataset[int(used_indices[i])]['answers']['text']
|
|
||||||
|
|
||||||
if args.most_likely:
|
|
||||||
answers = np.load(
|
|
||||||
f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
|
||||||
else:
|
|
||||||
answers = np.load(
|
|
||||||
f'./save_for_eval/{args.dataset_name}/{args.model_name}_hal_det/answers/batch_generations_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
|
||||||
# get the gt.
|
|
||||||
if args.use_rouge:
|
|
||||||
|
|
||||||
predictions = answers
|
|
||||||
all_results = np.zeros((len(all_answers), len(predictions)))
|
|
||||||
all_results1 = np.zeros((len(all_answers), len(predictions)))
|
|
||||||
all_results2 = np.zeros((len(all_answers), len(predictions)))
|
|
||||||
for anw in range(len(all_answers)):
|
|
||||||
results = rouge.compute(predictions=predictions,
|
|
||||||
references=[all_answers[anw]] * len(predictions),
|
|
||||||
use_aggregator=False)
|
|
||||||
all_results[anw] = results['rougeL']
|
|
||||||
all_results1[anw] = results['rouge1']
|
|
||||||
all_results2[anw] = results['rouge2']
|
|
||||||
|
|
||||||
# breakpoint()
|
|
||||||
gts = np.concatenate([gts, np.max(all_results, axis=0)], 0)
|
|
||||||
|
|
||||||
if i % 50 == 0:
|
|
||||||
print("samples passed: ", i)
|
|
||||||
else:
|
|
||||||
|
|
||||||
predictions = answers
|
|
||||||
all_results = np.zeros((len(all_answers), len(predictions)))
|
|
||||||
with torch.no_grad():
|
|
||||||
for anw in range(len(all_answers)):
|
|
||||||
inputs = tokenizer(predictions.tolist(), [all_answers[anw]] * len(predictions),
|
|
||||||
padding='longest', return_tensors='pt')
|
|
||||||
for key in list(inputs.keys()):
|
|
||||||
inputs[key] = inputs[key].cuda()
|
|
||||||
res = np.asarray(model(**inputs).logits.flatten().tolist())
|
|
||||||
all_results[anw] = res
|
|
||||||
gts = np.concatenate([gts, np.max(all_results, axis=0)], 0)
|
|
||||||
if i % 10 == 0:
|
|
||||||
print("samples passed: ", i)
|
|
||||||
# breakpoint()
|
|
||||||
if args.most_likely:
|
|
||||||
if args.use_rouge:
|
|
||||||
np.save(f'./ml_{args.dataset_name}_{args.model_name}_rouge_score.npy', gts)
|
|
||||||
else:
|
|
||||||
np.save(f'./ml_{args.dataset_name}_{args.model_name}_bleurt_score.npy', gts)
|
|
||||||
else:
|
|
||||||
if args.use_rouge:
|
|
||||||
np.save(f'./bg_{args.dataset_name}_{args.model_name}_rouge_score.npy', gts)
|
|
||||||
else:
|
|
||||||
np.save(f'./bg_{args.dataset_name}_{args.model_name}_bleurt_score.npy', gts)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
if __name__ == '__main__':
|
|
||||||
seed_everything(42)
|
|
||||||
main()
|
|
||||||
|
|
@ -86,20 +86,19 @@ def main():
|
||||||
device_map="auto").cuda()
|
device_map="auto").cuda()
|
||||||
HEADS = [f"model.layers.{i}.self_attn.head_out" for i in range(model.config.num_hidden_layers)]
|
HEADS = [f"model.layers.{i}.self_attn.head_out" for i in range(model.config.num_hidden_layers)]
|
||||||
MLPS = [f"model.layers.{i}.mlp" for i in range(model.config.num_hidden_layers)]
|
MLPS = [f"model.layers.{i}.mlp" for i in range(model.config.num_hidden_layers)]
|
||||||
# firstly get the embeddings of the generated question and answers.
|
|
||||||
# embed_generated = []
|
|
||||||
benign_embed_generated =[]
|
benign_embed_generated =[]
|
||||||
benign_embed_generated_loc1 =[]
|
benign_embed_generated_loc1 =[]
|
||||||
benign_embed_generated_loc2 =[]
|
benign_embed_generated_loc2 =[]
|
||||||
adverse_embed_generated=[]
|
adverse_embed_generated=[] #layer-wise representations
|
||||||
adverse_embed_generated_loc1=[]
|
adverse_embed_generated_loc1=[] #mlp-wise representations
|
||||||
adverse_embed_generated_loc2=[]
|
adverse_embed_generated_loc2=[] #head-wise representations
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
with open('benign.json') as f:
|
with open('benign.json') as f:
|
||||||
benign_answers = json.load(f)
|
benign_answers = json.load(f)
|
||||||
length = int(len(dataset)*0.45)
|
length = int(len(dataset)*0.55)
|
||||||
for i in tqdm(range(length)):
|
for i in tqdm(range(length)):
|
||||||
question = dataset[i]['query']
|
question = dataset[i]['query']
|
||||||
adversary = dataset[i]['target']
|
adversary = dataset[i]['target']
|
||||||
|
|
@ -156,8 +155,7 @@ def main():
|
||||||
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_benign_embeddings_mlp_wise.npy', benign_embed_generated_loc1)
|
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_benign_embeddings_mlp_wise.npy', benign_embed_generated_loc1)
|
||||||
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_adverse_embeddings_head_wise.npy', adverse_embed_generated_loc2)
|
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_adverse_embeddings_head_wise.npy', adverse_embed_generated_loc2)
|
||||||
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_adverse_embeddings_mlp_wise.npy', adverse_embed_generated_loc1)
|
np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_adverse_embeddings_mlp_wise.npy', adverse_embed_generated_loc1)
|
||||||
# np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_gene_embeddings_t_head_wise.npy', embed_generated_t_loc2)
|
|
||||||
# np.save(f'save_for_eval/{args.dataset_name}/{args.model_name}_jailbreak/' + f'{args.model_name}_gene_embeddings_t_mlp_wise.npy', embed_generated_t_loc1)
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,229 @@
|
||||||
|
import torch
|
||||||
|
from torch.nn import functional as F
|
||||||
|
from torch import nn
|
||||||
|
from transformers import PreTrainedModel
|
||||||
|
from torch import Tensor
|
||||||
|
import numpy as np
|
||||||
|
from typing import Optional, Tuple
|
||||||
|
from cache_utils import Cache
|
||||||
|
from transformers.activations import ACT2FN
|
||||||
|
|
||||||
|
class LlamaDecoderLayerWrapper(nn.Module):
|
||||||
|
def __init__(self, llama_decoder_layer, tsv_layer, model_name='llama3.1-8B'):
|
||||||
|
super().__init__()
|
||||||
|
self.llama_decoder_layer = llama_decoder_layer
|
||||||
|
self.tsv_layer = tsv_layer # Instance of ICVLayer
|
||||||
|
self.model_name = model_name
|
||||||
|
|
||||||
|
def forward(
|
||||||
|
self,
|
||||||
|
hidden_states: torch.Tensor,
|
||||||
|
attention_mask: Optional[torch.Tensor] = None,
|
||||||
|
position_ids: Optional[torch.LongTensor] = None,
|
||||||
|
past_key_value: Optional[Cache] = None,
|
||||||
|
output_attentions: Optional[bool] = False,
|
||||||
|
use_cache: Optional[bool] = False,
|
||||||
|
cache_position: Optional[torch.LongTensor] = None,
|
||||||
|
position_embeddings: Optional[Tuple[torch.Tensor, torch.Tensor]] = None,
|
||||||
|
**kwargs,
|
||||||
|
)-> Tuple[torch.FloatTensor, Optional[Tuple[torch.FloatTensor, torch.FloatTensor]]]:
|
||||||
|
# Save original residual state
|
||||||
|
residual = hidden_states
|
||||||
|
|
||||||
|
# Forward pass through the input layer norm
|
||||||
|
hidden_states = self.llama_decoder_layer.input_layernorm(hidden_states)
|
||||||
|
|
||||||
|
|
||||||
|
if self.model_name == 'qwen2.5-7B':
|
||||||
|
hidden_states, self_attn_weights, present_key_value = self.llama_decoder_layer.self_attn(
|
||||||
|
hidden_states=hidden_states,
|
||||||
|
attention_mask=attention_mask,
|
||||||
|
position_ids=position_ids,
|
||||||
|
past_key_value=past_key_value,
|
||||||
|
output_attentions=output_attentions,
|
||||||
|
use_cache=use_cache,
|
||||||
|
cache_position=cache_position,
|
||||||
|
**kwargs,
|
||||||
|
)
|
||||||
|
|
||||||
|
else:
|
||||||
|
hidden_states, self_attn_weights, present_key_value = self.llama_decoder_layer.self_attn(
|
||||||
|
hidden_states=hidden_states,
|
||||||
|
attention_mask=attention_mask,
|
||||||
|
position_ids=position_ids,
|
||||||
|
past_key_value=past_key_value,
|
||||||
|
output_attentions=output_attentions,
|
||||||
|
use_cache=use_cache,
|
||||||
|
cache_position=cache_position,
|
||||||
|
position_embeddings=position_embeddings,
|
||||||
|
**kwargs,
|
||||||
|
)
|
||||||
|
|
||||||
|
# Add residual + steering vector after self-attention
|
||||||
|
hidden_states = residual.to(hidden_states.device) + hidden_states
|
||||||
|
|
||||||
|
|
||||||
|
# Save residual state for the MLP
|
||||||
|
residual = hidden_states
|
||||||
|
|
||||||
|
# Forward pass through the post-attention layer norm and MLP
|
||||||
|
hidden_states = self.llama_decoder_layer.post_attention_layernorm(hidden_states)
|
||||||
|
hidden_states = self.llama_decoder_layer.mlp(hidden_states)
|
||||||
|
|
||||||
|
# Add residual + steering vector after MLP
|
||||||
|
hidden_states = residual + hidden_states
|
||||||
|
hidden_states = self.tsv_layer(hidden_states) # Add steering vector
|
||||||
|
|
||||||
|
# Return the outputs
|
||||||
|
outputs = (hidden_states,)
|
||||||
|
if output_attentions:
|
||||||
|
outputs += (self_attn_weights,)
|
||||||
|
if use_cache:
|
||||||
|
outputs += (present_key_value,)
|
||||||
|
|
||||||
|
return outputs
|
||||||
|
|
||||||
|
class SVLayer(nn.Module):
|
||||||
|
|
||||||
|
def __init__(self, sv, lam):
|
||||||
|
super(SVLayer, self).__init__()
|
||||||
|
self.sv = sv
|
||||||
|
self.lam = lam
|
||||||
|
|
||||||
|
def forward(self, x):
|
||||||
|
if self.tv is not None:
|
||||||
|
|
||||||
|
x = x.half()
|
||||||
|
y = self.lam[0] * self.sv.repeat(1,x.shape[1],1)
|
||||||
|
y = y.to(x.device)
|
||||||
|
x = x.half() + y
|
||||||
|
|
||||||
|
return x.half()
|
||||||
|
|
||||||
|
else:
|
||||||
|
|
||||||
|
return x.half()
|
||||||
|
|
||||||
|
|
||||||
|
def get_nested_attr(obj, attr_path):
|
||||||
|
attrs = attr_path.split(".")
|
||||||
|
for attr in attrs:
|
||||||
|
obj = getattr(obj, attr)
|
||||||
|
return obj
|
||||||
|
|
||||||
|
|
||||||
|
def set_nested_attr(obj, attr_path, value):
|
||||||
|
attrs = attr_path.split(".")
|
||||||
|
parent = get_nested_attr(obj, ".".join(attrs[:-1]))
|
||||||
|
setattr(parent, attrs[-1], value)
|
||||||
|
|
||||||
|
|
||||||
|
def find_longest_modulelist(model, path=""):
|
||||||
|
"""
|
||||||
|
Recursively find the longest nn.ModuleList in a PyTorch model.
|
||||||
|
Args:
|
||||||
|
model: PyTorch model.
|
||||||
|
path: Current path in the model (used for recursion).
|
||||||
|
Returns:
|
||||||
|
Tuple with path and length of the longest nn.ModuleList found.
|
||||||
|
"""
|
||||||
|
longest_path = path
|
||||||
|
longest_len = 0
|
||||||
|
|
||||||
|
for name, child in model.named_children():
|
||||||
|
if isinstance(child, nn.ModuleList) and len(child) > longest_len:
|
||||||
|
longest_len = len(child)
|
||||||
|
longest_path = f"{path}.{name}" if path else name
|
||||||
|
|
||||||
|
# Recursively check the child's children
|
||||||
|
child_path, child_len = find_longest_modulelist(child, f"{path}.{name}" if path else name)
|
||||||
|
if child_len > longest_len:
|
||||||
|
longest_len = child_len
|
||||||
|
longest_path = child_path
|
||||||
|
|
||||||
|
return longest_path, longest_len
|
||||||
|
|
||||||
|
|
||||||
|
def find_module(block, keywords):
|
||||||
|
"""
|
||||||
|
Try to find a module in a transformer block.
|
||||||
|
Args:
|
||||||
|
block: Transformer block (nn.Module).
|
||||||
|
keywords: List of possible module names (str).
|
||||||
|
Returns:
|
||||||
|
The found module if found, else None.
|
||||||
|
"""
|
||||||
|
|
||||||
|
for name, module in block.named_modules():
|
||||||
|
if any(keyword in name for keyword in keywords):
|
||||||
|
return module
|
||||||
|
submodule_names = [name for name, _ in block.named_modules()]
|
||||||
|
raise ValueError(f"Could not find keywords {keywords} in: {submodule_names}")
|
||||||
|
|
||||||
|
|
||||||
|
def get_embedding_layer(model: PreTrainedModel):
|
||||||
|
|
||||||
|
keywords = ["emb", "wte"]
|
||||||
|
return find_module(model, keywords)
|
||||||
|
|
||||||
|
|
||||||
|
def get_lm_head(model: PreTrainedModel):
|
||||||
|
keywords = ["lm_head", "embed_out"]
|
||||||
|
return find_module(model, keywords)
|
||||||
|
|
||||||
|
|
||||||
|
def get_lm_pipeline(model: PreTrainedModel):
|
||||||
|
model_class = model.__class__.__name__
|
||||||
|
|
||||||
|
if model_class == "LlamaForCausalLM":
|
||||||
|
return nn.Sequential(model.model.norm, model.lm_head)
|
||||||
|
elif model_class == "RWForCausalLM":
|
||||||
|
return nn.Sequential(model.transformer.ln_f, model.lm_head)
|
||||||
|
elif model_class == "GPTNeoForCausalLM":
|
||||||
|
return nn.Sequential(model.transformer.ln_f, model.lm_head)
|
||||||
|
elif model_class == "GPTNeoXForCausalLM":
|
||||||
|
return nn.Sequential(model.gpt_neox.final_layer_norm, model.embed_out)
|
||||||
|
|
||||||
|
# TODO: make the default case more robust
|
||||||
|
return get_lm_head(model)
|
||||||
|
|
||||||
|
|
||||||
|
def get_layers_path(model: PreTrainedModel):
|
||||||
|
longest_path, longest_len = find_longest_modulelist(model)
|
||||||
|
return longest_path
|
||||||
|
|
||||||
|
|
||||||
|
def get_layers(model: PreTrainedModel):
|
||||||
|
longest_path = get_layers_path(model)
|
||||||
|
return get_nested_attr(model, longest_path)
|
||||||
|
|
||||||
|
def get_mlp_layers(model: PreTrainedModel):
|
||||||
|
layers = get_layers(model)
|
||||||
|
mlp_keywords = ["mlp", "feedforward", "ffn"]
|
||||||
|
mlp_layers = [find_module(layer, mlp_keywords) for layer in layers]
|
||||||
|
return mlp_layers
|
||||||
|
|
||||||
|
def add_sv_layers(model: PreTrainedModel, tsv: Tensor, alpha: list, args):
|
||||||
|
layers = get_layers(model)
|
||||||
|
mlp_keywords = ["mlp", "feedforward", "ffn"]
|
||||||
|
attn_keywords = ["self_attn"]
|
||||||
|
|
||||||
|
assert len(tsv) == len(layers)
|
||||||
|
if args.component == 'mlp':
|
||||||
|
for i, layer in enumerate(layers):
|
||||||
|
if i == args.str_layer:
|
||||||
|
original_mlp = find_module(layer, mlp_keywords)
|
||||||
|
layer.mlp = nn.Sequential(original_mlp, SVLayer(tsv[i], alpha))
|
||||||
|
|
||||||
|
elif args.component == 'attn':
|
||||||
|
for i, layer in enumerate(layers):
|
||||||
|
if i == args.str_layer:
|
||||||
|
original_attn = find_module(layer, attn_keywords)
|
||||||
|
layer.self_attn = nn.Sequential(original_attn, SVLayer(tsv[i], alpha))
|
||||||
|
|
||||||
|
elif args.component == 'res':
|
||||||
|
|
||||||
|
for i, layer in enumerate(layers):
|
||||||
|
if i == args.str_layer:
|
||||||
|
decoder_layer = layers[i]
|
||||||
|
layers[i] = LlamaDecoderLayerWrapper(decoder_layer, SVLayer(tsv[i], alpha), args.model_name)
|
||||||
|
|
@ -0,0 +1,767 @@
|
||||||
|
import os
|
||||||
|
import torch
|
||||||
|
import torch.nn as nn
|
||||||
|
from datasets import load_dataset
|
||||||
|
from tqdm import tqdm
|
||||||
|
import numpy as np
|
||||||
|
import argparse
|
||||||
|
from train_utils import get_last_non_padded_token_rep, compute_ot_loss_cos, update_centroids_ema, update_centroids_ema_hard, get_ex_data, collate_fn
|
||||||
|
from transformers import AutoTokenizer, AutoModelForCausalLM
|
||||||
|
from llm_layers import add_sv_layers
|
||||||
|
from sklearn.metrics import roc_auc_score
|
||||||
|
from torch.cuda.amp import autocast, GradScaler
|
||||||
|
import torch.nn.functional as F
|
||||||
|
from sinkhorn_knopp import SinkhornKnopp_imb
|
||||||
|
import logging
|
||||||
|
|
||||||
|
|
||||||
|
def seed_everything(seed: int):
|
||||||
|
import random, os
|
||||||
|
import numpy as np
|
||||||
|
import torch
|
||||||
|
|
||||||
|
random.seed(seed)
|
||||||
|
os.environ['PYTHONHASHSEED'] = str(seed)
|
||||||
|
np.random.seed(seed)
|
||||||
|
torch.manual_seed(seed)
|
||||||
|
torch.cuda.manual_seed(seed)
|
||||||
|
torch.backends.cudnn.deterministic = True
|
||||||
|
torch.backends.cudnn.benchmark = True
|
||||||
|
|
||||||
|
|
||||||
|
def train_model(model, optimizer, device, prompts, labels, args):
|
||||||
|
"""
|
||||||
|
对应论文里的两阶段训练：
|
||||||
|
- Phase 1: 使用人工标注的 exemplar 做 initial training（式 (3)(4)(5)(6)）
|
||||||
|
- Phase 2: 使用 OT + Sinkhorn 选出来的伪标签数据做 self-training（Sec.3.3 pseudo-labeling）
|
||||||
|
|
||||||
|
参数说明：
|
||||||
|
- model: 冻结好的 LLM + 已经插入 TSV 层的模型（只训练 TSV）
|
||||||
|
- optimizer: 只优化 TSV 的 AdamW
|
||||||
|
- device: cuda
|
||||||
|
- prompts: [test_prompts, train_prompts, exemplar_prompts]
|
||||||
|
- labels: 对应三块的标签 [test_labels, train_labels, exemplar_labels]
|
||||||
|
- args: 超参数（学习率、epoch 数、Sinkhorn 参数等）
|
||||||
|
"""
|
||||||
|
|
||||||
|
layer_number = -1 # 使用最后一层 hidden state（这里 -1 当索引）
|
||||||
|
|
||||||
|
# ========= 日志 & 结果保存目录 =========
|
||||||
|
dir_name = f"TSV_{args.model_name}_{args.dataset_name}/exemplar_num_{args.num_exemplars}_num_selected_data_{args.num_selected_data}/{args.component}/{args.str_layer}/{args.lam}"
|
||||||
|
log_dir = f"/{dir_name}/"
|
||||||
|
log_file = os.path.join(log_dir, f"log.txt")
|
||||||
|
os.makedirs(dir_name, exist_ok=True)
|
||||||
|
|
||||||
|
logging.basicConfig(
|
||||||
|
filename=log_file,
|
||||||
|
filemode="w",
|
||||||
|
level=logging.INFO,
|
||||||
|
format="%(asctime)s - %(levelname)s - %(message)s",
|
||||||
|
)
|
||||||
|
|
||||||
|
logging.info("Starting training")
|
||||||
|
logging.info(
|
||||||
|
f"Training parameters: few_shot_size={args.num_exemplars}, "
|
||||||
|
f"num_selected_data={args.num_selected_data}, "
|
||||||
|
f"component={args.component}, str_layer={args.str_layer}"
|
||||||
|
)
|
||||||
|
|
||||||
|
# 解包数据：test / wild train / exemplar
|
||||||
|
test_prompts, train_prompts, exemplar_prompts = prompts[0], prompts[1], prompts[2]
|
||||||
|
test_labels, train_labels, exemplar_labels = labels[0], labels[1], labels[2]
|
||||||
|
|
||||||
|
batch_size = args.batch_size
|
||||||
|
losses = []
|
||||||
|
best_test_auroc = -1
|
||||||
|
|
||||||
|
scaler = GradScaler() # 混合精度的梯度缩放器
|
||||||
|
|
||||||
|
num_exemplars = args.num_exemplars
|
||||||
|
|
||||||
|
# ========= Sinkhorn OT 相关初始化（伪标签阶段要用）=========
|
||||||
|
args.num_iters_sk = 3 # Sinkhorn 迭代次数（论文 Eq.(8)(9)）
|
||||||
|
args.epsilon_sk = 0.05 # OT 熵正则 ε（论文中也设为 0.05）
|
||||||
|
|
||||||
|
# 用 exemplar 的标签估计类分布 w（truthful/hallu 的先验）
|
||||||
|
# ex_hallu = P(hallucinated), ex_true = P(truthful)
|
||||||
|
ex_hallu = (num_exemplars - exemplar_labels[:num_exemplars].sum()) / num_exemplars
|
||||||
|
ex_true = (exemplar_labels[:num_exemplars].sum()) / num_exemplars
|
||||||
|
cls_dist = torch.tensor([ex_hallu, ex_true]).float().cuda()
|
||||||
|
cls_dist = cls_dist.view(-1, 1) # 形状 [2, 1]
|
||||||
|
|
||||||
|
# 实例化带类别边缘约束的 Sinkhorn（实现论文里的 OT 问题）
|
||||||
|
sinkhorn = SinkhornKnopp_imb(args, cls_dist)
|
||||||
|
|
||||||
|
# ========= 初始化两个类别的“原型向量” μ_c =========
|
||||||
|
# 这里 centroids 就是论文中球面上的 μ_truthful, μ_hallucinated
|
||||||
|
centroids = torch.randn((2, model.config.hidden_size)).half().cuda()
|
||||||
|
centroids = F.normalize(centroids, p=2, dim=1)
|
||||||
|
|
||||||
|
# 把 exemplar 的 prompt/label 整理成一个大 batch（padding）
|
||||||
|
exemplar_prompts_, exemplar_labels_ = exemplar_prompts, exemplar_labels
|
||||||
|
exemplar_prompts, exemplar_labels = collate_fn(exemplar_prompts, exemplar_labels)
|
||||||
|
|
||||||
|
# ========= Phase 1: Initial training on exemplars =========
|
||||||
|
num_epochs = args.init_num_epochs
|
||||||
|
|
||||||
|
for epoch in range(num_epochs):
|
||||||
|
running_loss = 0.0
|
||||||
|
total = 0
|
||||||
|
num_samples = num_exemplars
|
||||||
|
|
||||||
|
# 在 exemplar 上分 batch 训练（对应论文中 D_E 只含人工标注数据）
|
||||||
|
for batch_start in tqdm(
|
||||||
|
range(0, num_samples, batch_size),
|
||||||
|
desc=f"Epoch {epoch+1}/{num_epochs} Batches",
|
||||||
|
leave=False,
|
||||||
|
):
|
||||||
|
batch_prompts = exemplar_prompts[batch_start: batch_start + batch_size]
|
||||||
|
batch_labels = exemplar_labels[batch_start: batch_start + batch_size]
|
||||||
|
|
||||||
|
# attention_mask: 1 = valid token, 0 = padding
|
||||||
|
attention_mask = (batch_prompts != 0).half()
|
||||||
|
|
||||||
|
batch_prompts = batch_prompts.to(device)
|
||||||
|
batch_labels = batch_labels.to(device)
|
||||||
|
attention_mask = attention_mask.to(batch_prompts.device)
|
||||||
|
|
||||||
|
# ======= 前向传播：取最后一层最后非 padding token 的表示 r_v =======
|
||||||
|
with autocast(dtype=torch.float16):
|
||||||
|
output = model(
|
||||||
|
batch_prompts.squeeze(),
|
||||||
|
attention_mask=attention_mask.squeeze(),
|
||||||
|
output_hidden_states=True,
|
||||||
|
)
|
||||||
|
|
||||||
|
hidden_states = output.hidden_states # tuple(len=L+1)
|
||||||
|
hidden_states = torch.stack(hidden_states, dim=0).squeeze()
|
||||||
|
last_layer_hidden_state = hidden_states[layer_number] # [B, T, H]
|
||||||
|
|
||||||
|
# 对应论文里 r_v：最后非 padding token 的 hidden（包含 TSV steer）
|
||||||
|
last_token_rep = get_last_non_padded_token_rep(
|
||||||
|
last_layer_hidden_state, attention_mask.squeeze()
|
||||||
|
)
|
||||||
|
|
||||||
|
# 把标签变成 one-hot（2 维）
|
||||||
|
batch_labels_oh = torch.nn.functional.one_hot(
|
||||||
|
batch_labels, num_classes=-1 # 这里 -1 应该在 utils 里特殊处理成 2
|
||||||
|
)
|
||||||
|
|
||||||
|
# compute_ot_loss_cos：对应 Eq.(5)，不过是用 OT 的版本：
|
||||||
|
# - 通过与 centroids 的余弦距离计算类似 softmax 的分类损失
|
||||||
|
# - 里面会用 args.cos_temp 做温度缩放
|
||||||
|
ot_loss, similarities = compute_ot_loss_cos(
|
||||||
|
last_token_rep, centroids, batch_labels_oh, batch_size, args
|
||||||
|
)
|
||||||
|
|
||||||
|
loss = ot_loss
|
||||||
|
total += batch_labels.size(0)
|
||||||
|
|
||||||
|
# ====== 更新类别原型 μ_c（EMA）对应论文 Eq.(6) ======
|
||||||
|
with torch.no_grad():
|
||||||
|
centroids = update_centroids_ema_hard(
|
||||||
|
centroids, last_token_rep, batch_labels_oh, args
|
||||||
|
)
|
||||||
|
|
||||||
|
# ====== 只对 TSV 反传，LLM 本体是冻结的 ======
|
||||||
|
scaler.scale(loss).backward()
|
||||||
|
scaler.step(optimizer)
|
||||||
|
scaler.update()
|
||||||
|
optimizer.zero_grad()
|
||||||
|
|
||||||
|
running_loss += loss.item() * batch_labels.size(0)
|
||||||
|
|
||||||
|
# 一个 epoch 的平均 loss
|
||||||
|
epoch_loss = running_loss / total
|
||||||
|
|
||||||
|
# ====== 在 test 上评估，记录 AUROC ======
|
||||||
|
if (epoch + 1) % 1 == 0:
|
||||||
|
test_labels_ = test_labels
|
||||||
|
test_predictions, test_labels_combined = test_model(
|
||||||
|
model, centroids, test_prompts, test_labels_, device, batch_size, layer_number
|
||||||
|
)
|
||||||
|
|
||||||
|
test_auroc = roc_auc_score(
|
||||||
|
test_labels_combined.cpu().numpy(), test_predictions.cpu().numpy()
|
||||||
|
)
|
||||||
|
|
||||||
|
print(f"Epoch [{epoch+1}/{num_epochs}], Loss: {epoch_loss:.4f}")
|
||||||
|
logging.info(f"Epoch [{epoch+1}/{num_epochs}], Loss: {epoch_loss:.4f}")
|
||||||
|
losses.append(epoch_loss)
|
||||||
|
|
||||||
|
if test_auroc > best_test_auroc:
|
||||||
|
best_test_auroc = test_auroc
|
||||||
|
best_test_epoch = epoch
|
||||||
|
print(f"Best test AUROC: {best_test_auroc:.4f}, at epoch: {best_test_epoch}")
|
||||||
|
logging.info(
|
||||||
|
f"Best test AUROC: {best_test_auroc:.4f}, at epoch: {best_test_epoch}"
|
||||||
|
)
|
||||||
|
|
||||||
|
logging.info(
|
||||||
|
f"Epoch [{epoch+1}/{num_epochs}], Train Loss: {epoch_loss:.4f}, "
|
||||||
|
)
|
||||||
|
logging.info(f"Test AUROC: {test_auroc:.4f}")
|
||||||
|
print(f"Epoch [{epoch+1}/{num_epochs}],Test AUROC: {test_auroc:.4f}")
|
||||||
|
|
||||||
|
# ========= 进入 Phase 2：伪标签 + 自训练 =========
|
||||||
|
logging.info(f"SS Learning Starts")
|
||||||
|
|
||||||
|
# 1) get_ex_data: 在 wild train 上做 TSV 推断 + Sinkhorn OT，选出高置信伪标签样本
|
||||||
|
with torch.no_grad():
|
||||||
|
selected_indices, selected_labels_soft = get_ex_data(
|
||||||
|
model,
|
||||||
|
train_prompts, # wild 区间的样本
|
||||||
|
train_labels, # 这里一般是无标签 or dummy，这里暂时没用
|
||||||
|
batch_size,
|
||||||
|
centroids, # 当前原型
|
||||||
|
sinkhorn, # OT + Sinkhorn 对象，用来求 Q
|
||||||
|
args.num_selected_data, # 选多少个伪标签样本
|
||||||
|
cls_dist,
|
||||||
|
args,
|
||||||
|
)
|
||||||
|
|
||||||
|
num_samples = len(selected_indices) + args.num_exemplars
|
||||||
|
|
||||||
|
num_epochs = args.aug_num_epochs # 自训练的 epoch 数
|
||||||
|
|
||||||
|
exemplar_label = torch.tensor(exemplar_labels).cuda()
|
||||||
|
|
||||||
|
# 2) 构造“增强后的训练集”：伪标签样本 + 原来的 exemplar
|
||||||
|
selected_prompts = [train_prompts[i] for i in selected_indices]
|
||||||
|
selected_labels = selected_labels_soft # 这里已经是 soft label（OT 输出的 q）
|
||||||
|
|
||||||
|
augmented_prompts = selected_prompts + exemplar_prompts_
|
||||||
|
exemplar_labels = torch.nn.functional.one_hot(
|
||||||
|
exemplar_label.to(torch.int64), num_classes=2
|
||||||
|
)
|
||||||
|
augmented_labels = torch.concat(
|
||||||
|
(selected_labels, torch.tensor(exemplar_labels).clone().cuda())
|
||||||
|
)
|
||||||
|
|
||||||
|
augmented_prompts_train = augmented_prompts
|
||||||
|
augmented_labels_label = augmented_labels
|
||||||
|
|
||||||
|
num_samples = len(augmented_prompts_train)
|
||||||
|
|
||||||
|
# 3) 在“伪标签 + exemplar”上再训练一轮 TSV（自训练）
|
||||||
|
with autocast(dtype=torch.float16):
|
||||||
|
for epoch in range(num_epochs):
|
||||||
|
running_loss = 0.0
|
||||||
|
total = 0
|
||||||
|
all_labels = []
|
||||||
|
|
||||||
|
for batch_start in tqdm(
|
||||||
|
range(0, num_samples, batch_size),
|
||||||
|
desc=f"Epoch {epoch+1}/{num_epochs} Batches",
|
||||||
|
leave=False,
|
||||||
|
):
|
||||||
|
batch_prompts = augmented_prompts_train[batch_start: batch_start + batch_size]
|
||||||
|
batch_labels = augmented_labels_label[batch_start: batch_start + batch_size]
|
||||||
|
|
||||||
|
batch_prompts, batch_labels = collate_fn(batch_prompts, batch_labels)
|
||||||
|
|
||||||
|
attention_mask = (batch_prompts != 0).half()
|
||||||
|
|
||||||
|
batch_prompts = batch_prompts.to(device)
|
||||||
|
batch_labels = batch_labels.to(device)
|
||||||
|
attention_mask = attention_mask.to(batch_prompts.device)
|
||||||
|
|
||||||
|
output = model(
|
||||||
|
batch_prompts.squeeze(),
|
||||||
|
attention_mask=attention_mask.squeeze(),
|
||||||
|
output_hidden_states=True,
|
||||||
|
)
|
||||||
|
|
||||||
|
hidden_states = output.hidden_states
|
||||||
|
hidden_states = torch.stack(hidden_states, dim=0).squeeze()
|
||||||
|
last_layer_hidden_state = hidden_states[layer_number]
|
||||||
|
|
||||||
|
last_token_rep = get_last_non_padded_token_rep(
|
||||||
|
last_layer_hidden_state, attention_mask.squeeze()
|
||||||
|
)
|
||||||
|
|
||||||
|
# 这里 compute_ot_loss_cos 接收的是 soft label (OT 得到的 q)
|
||||||
|
ot_loss, similarities = compute_ot_loss_cos(
|
||||||
|
last_token_rep, centroids, batch_labels, batch_size, args
|
||||||
|
)
|
||||||
|
|
||||||
|
loss = ot_loss
|
||||||
|
|
||||||
|
with torch.no_grad():
|
||||||
|
# 自训练阶段，原型更新用的是 soft label 版的 EMA
|
||||||
|
centroids = update_centroids_ema(
|
||||||
|
centroids, last_token_rep, batch_labels.half(), args
|
||||||
|
)
|
||||||
|
all_labels.append(batch_labels.cpu())
|
||||||
|
total += batch_labels.size(0)
|
||||||
|
|
||||||
|
scaler.scale(loss).backward()
|
||||||
|
scaler.step(optimizer)
|
||||||
|
scaler.update()
|
||||||
|
optimizer.zero_grad()
|
||||||
|
|
||||||
|
running_loss += loss.item() * batch_labels.size(0)
|
||||||
|
|
||||||
|
epoch_loss = running_loss / total
|
||||||
|
|
||||||
|
# ====== 用 test set 评估 AUROC ======
|
||||||
|
with torch.no_grad():
|
||||||
|
all_labels = torch.cat(all_labels).numpy()
|
||||||
|
test_labels_ = test_labels
|
||||||
|
|
||||||
|
if epoch % 1 == 0:
|
||||||
|
test_predictions, test_labels_combined = test_model(
|
||||||
|
model,
|
||||||
|
centroids,
|
||||||
|
test_prompts,
|
||||||
|
test_labels_,
|
||||||
|
device,
|
||||||
|
batch_size,
|
||||||
|
layer_number,
|
||||||
|
)
|
||||||
|
test_auroc = roc_auc_score(test_labels_combined, test_predictions)
|
||||||
|
|
||||||
|
print(f"Epoch [{epoch+1}/{num_epochs}], Loss: {epoch_loss:.4f}")
|
||||||
|
losses.append(epoch_loss)
|
||||||
|
|
||||||
|
if test_auroc > best_test_auroc:
|
||||||
|
best_test_auroc = test_auroc
|
||||||
|
best_test_epoch = epoch + args.init_num_epochs
|
||||||
|
print(
|
||||||
|
f"Best test AUROC: {best_test_auroc:.4f}, at epoch: {best_test_epoch}"
|
||||||
|
)
|
||||||
|
logging.info(
|
||||||
|
f"Best test AUROC: {best_test_auroc:.4f}, at epoch: {best_test_epoch}"
|
||||||
|
)
|
||||||
|
|
||||||
|
logging.info(
|
||||||
|
f"Epoch [{epoch+1}/{num_epochs}], Train Loss: {epoch_loss:.4f}, "
|
||||||
|
)
|
||||||
|
logging.info(
|
||||||
|
f"Best test AUROC: {best_test_auroc:.4f}, at epoch: {best_test_epoch}"
|
||||||
|
)
|
||||||
|
|
||||||
|
return best_test_auroc
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
def test_model(model, centroids, test_prompts, test_labels, device, batch_size, layer_number):
|
||||||
|
"""
|
||||||
|
在论文里相当于：
|
||||||
|
- 对 test 集算当前 TSV steer 后的 r_v
|
||||||
|
- 计算与两个原型 μ_c 的余弦相似度
|
||||||
|
- 用 softmax 得到属于 truthful 的概率 p(c=truthful | r_v)
|
||||||
|
- 用这个概率做 AUROC 评估
|
||||||
|
"""
|
||||||
|
model.eval()
|
||||||
|
val_predictions = [] # 保存 p_truthful
|
||||||
|
val_labels_combined = [] # 对应的 gt（二分类标签）
|
||||||
|
|
||||||
|
num_val_samples = len(test_prompts)
|
||||||
|
|
||||||
|
with torch.no_grad():
|
||||||
|
with autocast(dtype=torch.float16):
|
||||||
|
for batch_start in range(0, num_val_samples, batch_size):
|
||||||
|
batch_prompts = test_prompts[batch_start:batch_start + batch_size]
|
||||||
|
batch_labels = test_labels[batch_start:batch_start + batch_size]
|
||||||
|
batch_prompts, batch_labels = collate_fn(batch_prompts, batch_labels)
|
||||||
|
|
||||||
|
attention_mask = (batch_prompts != 0).half().to(device)
|
||||||
|
batch_prompts = batch_prompts.to(device)
|
||||||
|
batch_labels = batch_labels.to(device)
|
||||||
|
|
||||||
|
# 直接 forward + 拿最后一个非 padding token 的 hidden 表示作为 r_v
|
||||||
|
output = model(
|
||||||
|
batch_prompts.squeeze(),
|
||||||
|
attention_mask=attention_mask.squeeze(),
|
||||||
|
output_hidden_states=True,
|
||||||
|
)
|
||||||
|
hidden_states = output.hidden_states
|
||||||
|
hidden_states = torch.stack(hidden_states, dim=0).squeeze()
|
||||||
|
last_layer_hidden_state = hidden_states[layer_number]
|
||||||
|
last_token_rep = get_last_non_padded_token_rep(
|
||||||
|
last_layer_hidden_state, attention_mask.squeeze()
|
||||||
|
)
|
||||||
|
|
||||||
|
# 归一化到球面 & 原型也归一化
|
||||||
|
last_token_rep = F.normalize(last_token_rep, p=2, dim=-1)
|
||||||
|
centroids = F.normalize(centroids, p=2, dim=-1)
|
||||||
|
|
||||||
|
with autocast(dtype=torch.float16):
|
||||||
|
similarities = torch.matmul(last_token_rep, centroids.T) # [B, 2]
|
||||||
|
|
||||||
|
# 相似度 / 温度 -> softmax -> 取“真”的那一维作为概率
|
||||||
|
similarity_scores = torch.softmax(similarities / 0.1, dim=-1)
|
||||||
|
similarity_scores = similarity_scores[:, 1] # 假设 index 1 = truthful
|
||||||
|
|
||||||
|
val_predictions.append(similarity_scores.cpu())
|
||||||
|
val_labels_combined.append(batch_labels.cpu())
|
||||||
|
|
||||||
|
val_predictions = torch.cat(val_predictions)
|
||||||
|
val_labels_combined = torch.cat(val_labels_combined)
|
||||||
|
return val_predictions, val_labels_combined
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
HF_NAMES = {
|
||||||
|
'llama3.1-8B': 'meta-llama/Meta-Llama-3.1-8B',
|
||||||
|
'qwen2.5-7B': 'Qwen/Qwen2.5-7B'
|
||||||
|
}
|
||||||
|
|
||||||
|
def main():
|
||||||
|
|
||||||
|
parser = argparse.ArgumentParser()
|
||||||
|
parser.add_argument('--model_name', type=str, default='llama3.1-8B')
|
||||||
|
parser.add_argument('--model_prefix', type=str, default='', help='prefix of model name')
|
||||||
|
parser.add_argument('--num_gene', type=int, default=1)
|
||||||
|
parser.add_argument('--gene', type=int, default=0)
|
||||||
|
parser.add_argument('--generate_gt', type=int, default=0)
|
||||||
|
parser.add_argument('--dataset_name', type=str, default='tqa')
|
||||||
|
parser.add_argument('--device', type=int, default=0)
|
||||||
|
parser.add_argument('--wild_ratio', type=float, default=0.75)
|
||||||
|
parser.add_argument('--thres_gt', type=float, default=0.5)
|
||||||
|
parser.add_argument('--most_likely', type=int, default=0)
|
||||||
|
parser.add_argument("--model_dir", type=str, default=None, help='local directory with model data')
|
||||||
|
parser.add_argument("--batch_size", type=int, default=128)
|
||||||
|
parser.add_argument("--cos_temp", type=float, default=0.1)
|
||||||
|
parser.add_argument("--ema_decay", type=float, default=0.99)
|
||||||
|
parser.add_argument("--lr", type=float, default=0.005)
|
||||||
|
parser.add_argument("--str_layer", type=int, default=9)
|
||||||
|
parser.add_argument("--component", type=str, default='res')
|
||||||
|
parser.add_argument("--lam", type=float, default=5)
|
||||||
|
parser.add_argument("--init_num_epochs", type=int, default=20)
|
||||||
|
parser.add_argument("--aug_num_epochs", type=int, default=20)
|
||||||
|
parser.add_argument("--num_exemplars", type=int, default=32)
|
||||||
|
parser.add_argument("--num_selected_data", type=int, default=128)
|
||||||
|
parser.add_argument("--cls_dist", type=str, default='proxy')
|
||||||
|
parser.add_argument("--optimizer", type=str, default='AdamW')
|
||||||
|
parser.add_argument("--num_iters_sk", type=int, default=3)
|
||||||
|
parser.add_argument("--epsilon_sk", type=float, default=0.05)
|
||||||
|
|
||||||
|
args = parser.parse_args()
|
||||||
|
|
||||||
|
model_name_or_path = HF_NAMES[args.model_prefix + args.model_name]
|
||||||
|
|
||||||
|
if args.dataset_name == "tqa":
|
||||||
|
dataset = load_dataset("truthful_qa", 'generation')['validation']
|
||||||
|
|
||||||
|
elif args.dataset_name == 'triviaqa':
|
||||||
|
dataset = load_dataset("trivia_qa", "rc.nocontext", split="validation")
|
||||||
|
id_mem = set()
|
||||||
|
|
||||||
|
def remove_dups(batch):
|
||||||
|
if batch['question_id'][0] in id_mem:
|
||||||
|
return {_: [] for _ in batch.keys()}
|
||||||
|
id_mem.add(batch['question_id'][0])
|
||||||
|
return batch
|
||||||
|
|
||||||
|
dataset = dataset.map(remove_dups, batch_size=1, batched=True, load_from_cache_file=False)
|
||||||
|
|
||||||
|
|
||||||
|
elif args.dataset_name == 'sciq':
|
||||||
|
dataset = load_dataset("allenai/sciq", split="validation")
|
||||||
|
|
||||||
|
elif args.dataset_name == 'nq_open':
|
||||||
|
dataset = load_dataset("google-research-datasets/nq_open", split="validation")
|
||||||
|
|
||||||
|
|
||||||
|
else:
|
||||||
|
raise ValueError("Invalid dataset name")
|
||||||
|
|
||||||
|
|
||||||
|
if args.gene:
|
||||||
|
|
||||||
|
tokenizer = AutoTokenizer.from_pretrained(model_name_or_path, token = '')
|
||||||
|
model = AutoModelForCausalLM.from_pretrained(model_name_or_path, low_cpu_mem_usage=True, torch_dtype=torch.float16, device_map="auto", token = '')
|
||||||
|
device = torch.device("cuda")
|
||||||
|
all_decoded_answers = []
|
||||||
|
begin_index = 0
|
||||||
|
end_index = len(dataset)
|
||||||
|
|
||||||
|
if not os.path.exists(f'./save_for_eval/{args.dataset_name}_hal_det/'):
|
||||||
|
os.mkdir(f'./save_for_eval/{args.dataset_name}_hal_det/')
|
||||||
|
|
||||||
|
if not os.path.exists(f'./save_for_eval/{args.dataset_name}_hal_det/answers'):
|
||||||
|
os.mkdir(f'./save_for_eval/{args.dataset_name}_hal_det/answers')
|
||||||
|
|
||||||
|
period_token_id = [tokenizer(_)['input_ids'][-1] for _ in ['\n']]
|
||||||
|
period_token_id += [tokenizer.eos_token_id]
|
||||||
|
|
||||||
|
for i in range(begin_index, end_index):
|
||||||
|
answers = [None] * args.num_gene
|
||||||
|
answers_ = [None] * args.num_gene
|
||||||
|
|
||||||
|
question = dataset[i]['question']
|
||||||
|
prompt = tokenizer(f"Answer the question concisely. Q: {question}" + " A:", return_tensors='pt').input_ids.cuda()
|
||||||
|
|
||||||
|
for gen_iter in range(args.num_gene):
|
||||||
|
if args.most_likely:
|
||||||
|
generated = model.generate(prompt,
|
||||||
|
num_beams=5,
|
||||||
|
num_return_sequences=1,
|
||||||
|
do_sample=False,
|
||||||
|
max_new_tokens=64,
|
||||||
|
)
|
||||||
|
else:
|
||||||
|
generated = model.generate(prompt,
|
||||||
|
do_sample=True,
|
||||||
|
num_return_sequences=1,
|
||||||
|
num_beams=1,
|
||||||
|
max_new_tokens=64,
|
||||||
|
temperature=0.5,
|
||||||
|
top_p=1.0)
|
||||||
|
|
||||||
|
|
||||||
|
decoded = tokenizer.decode(generated[0, prompt.shape[-1]:],
|
||||||
|
skip_special_tokens=True)
|
||||||
|
# answers[gen_iter] = decoded
|
||||||
|
|
||||||
|
# Cleaning
|
||||||
|
if '\nAnswer the question concisely.' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('\nAnswer the question concisely.')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('\nAnswer the question concisely.')[0]
|
||||||
|
|
||||||
|
if 'Answer the question concisely' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('Answer the question concisely')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('Answer the question concisely')[0]
|
||||||
|
|
||||||
|
if 'The answer to the question' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('The answer to the question')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('The answer to the question')[0]
|
||||||
|
|
||||||
|
if 'How to Write a Concise Statement' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('How to Write a Concise Statement')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('How to Write a Concise Statement')[0]
|
||||||
|
|
||||||
|
if 'Q:' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('Q:')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('Q:')[0]
|
||||||
|
|
||||||
|
if '\nYou are an AI assistant' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('\nYou are an AI assistant')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('\nYou are an AI assistant')[0]
|
||||||
|
|
||||||
|
if 'You are an AI assistant' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('You are an AI assistant')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('You are an AI assistant')[0]
|
||||||
|
|
||||||
|
if 'A:' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('A:')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('A:')[0]
|
||||||
|
|
||||||
|
if 'B:' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('B:')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('B:')[0]
|
||||||
|
|
||||||
|
if 'C:' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('C:')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('C:')[0]
|
||||||
|
|
||||||
|
if 'D:' in decoded:
|
||||||
|
print('#####error')
|
||||||
|
print(decoded.split('D:')[1])
|
||||||
|
print('#####error')
|
||||||
|
decoded = decoded.split('D:')[0]
|
||||||
|
|
||||||
|
print(f'Cleaned Answer: {decoded}')
|
||||||
|
answers[gen_iter] = decoded
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
print('sample: ', i)
|
||||||
|
if args.most_likely:
|
||||||
|
info = 'most_likely_'
|
||||||
|
else:
|
||||||
|
info = 'batch_generations_'
|
||||||
|
|
||||||
|
print("Saving answers")
|
||||||
|
print(decoded)
|
||||||
|
|
||||||
|
np.save(f'./save_for_eval/{args.dataset_name}_hal_det/answers/' + info + f'hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy',
|
||||||
|
answers)
|
||||||
|
|
||||||
|
elif args.generate_gt:
|
||||||
|
from bleurt_pytorch import BleurtForSequenceClassification, BleurtTokenizer
|
||||||
|
|
||||||
|
model = BleurtForSequenceClassification.from_pretrained('lucadiliello/BLEURT-20').cuda()
|
||||||
|
tokenizer = BleurtTokenizer.from_pretrained('lucadiliello/BLEURT-20')
|
||||||
|
model.eval()
|
||||||
|
|
||||||
|
gts = np.zeros(0)
|
||||||
|
length = len(dataset)
|
||||||
|
|
||||||
|
for i in range(length):
|
||||||
|
|
||||||
|
if args.dataset_name == 'tqa':
|
||||||
|
best_answer = dataset[i]['best_answer']
|
||||||
|
correct_answer = dataset[i]['correct_answers']
|
||||||
|
all_answers = [best_answer] + correct_answer
|
||||||
|
question = dataset[i]['question']
|
||||||
|
|
||||||
|
elif args.dataset_name == 'triviaqa':
|
||||||
|
all_answers = dataset[i]['answer']['aliases']
|
||||||
|
|
||||||
|
if args.most_likely:
|
||||||
|
# answers = np.load(
|
||||||
|
# f'./save_for_eval/{args.dataset_name}_hal_det/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
||||||
|
answers = np.load(
|
||||||
|
f'./save_for_eval/{args.dataset_name}_hal_det/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
||||||
|
|
||||||
|
else:
|
||||||
|
answers = np.load(
|
||||||
|
f'./save_for_eval/{args.dataset_name}_hal_det/answers/batch_generations_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
||||||
|
|
||||||
|
# get the gt.
|
||||||
|
predictions = answers
|
||||||
|
all_results = np.zeros((len(all_answers), len(predictions)))
|
||||||
|
with torch.no_grad():
|
||||||
|
for anw in range(len(all_answers)):
|
||||||
|
inputs = tokenizer(predictions.tolist(), [all_answers[anw]] * len(predictions),
|
||||||
|
padding='longest', return_tensors='pt')
|
||||||
|
for key in list(inputs.keys()):
|
||||||
|
inputs[key] = inputs[key].cuda()
|
||||||
|
res = np.asarray(model(**inputs).logits.flatten().tolist())
|
||||||
|
all_results[anw] = res
|
||||||
|
gts = np.concatenate([gts, np.max(all_results, axis=0)], 0)
|
||||||
|
if i % 10 == 0:
|
||||||
|
print("samples passed: ", i)
|
||||||
|
|
||||||
|
if args.most_likely:
|
||||||
|
# np.save(f'./ml_{args.dataset_name}_bleurt_score.npy', gts)
|
||||||
|
np.save(f'./ml_{args.dataset_name}_bleurt_score.npy', gts)
|
||||||
|
|
||||||
|
else:
|
||||||
|
np.save(f'./bg_{args.dataset_name}_bleurt_score.npy', gts)
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
else:
|
||||||
|
|
||||||
|
device = torch.device("cuda")
|
||||||
|
model = AutoModelForCausalLM.from_pretrained(model_name_or_path, low_cpu_mem_usage=True, torch_dtype=torch.float16, device_map="auto", token = '')
|
||||||
|
tokenizer = AutoTokenizer.from_pretrained(model_name_or_path, token = '')
|
||||||
|
|
||||||
|
prompts = []
|
||||||
|
qa_pairs = []
|
||||||
|
categories = []
|
||||||
|
|
||||||
|
length = len(dataset)
|
||||||
|
|
||||||
|
|
||||||
|
for i in tqdm(range(length)):
|
||||||
|
|
||||||
|
question = dataset[i]['question']
|
||||||
|
if args.dataset_name == 'tqa':
|
||||||
|
categories.append(dataset[i]['category'])
|
||||||
|
|
||||||
|
answers = np.load(
|
||||||
|
f'./save_for_eval/{args.dataset_name}_hal_det/answers/most_likely_hal_det_{args.model_name}_{args.dataset_name}_answers_index_{i}.npy')
|
||||||
|
|
||||||
|
|
||||||
|
for anw in answers:
|
||||||
|
|
||||||
|
prompt = tokenizer(
|
||||||
|
f"Answer the question concisely. Q: {question}" + " A:" + anw,
|
||||||
|
return_tensors='pt').input_ids.cuda()
|
||||||
|
|
||||||
|
prompts.append(prompt)
|
||||||
|
qa_pairs.append({'Question': question, 'Answer': anw})
|
||||||
|
|
||||||
|
gts = np.load(f'./ml_{args.dataset_name}_bleurt_score.npy')
|
||||||
|
|
||||||
|
|
||||||
|
length = len(dataset)
|
||||||
|
|
||||||
|
if args.dataset_name == 'tqa' or args.dataset_name == 'triviaqa':
|
||||||
|
args.thres_gt = 0.5
|
||||||
|
|
||||||
|
else:
|
||||||
|
args.thres_gt = 0.2
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|
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||||||
|
gt_label = np.asarray(gts> args.thres_gt, dtype=np.int32)
|
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|
|
||||||
|
# index = np.random.permutation(length)
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|
|
||||||
|
# exemplar_index = index[:args.num_exemplars]
|
||||||
|
|
||||||
|
# wild_q_indices = index[:int(args.wild_ratio * length)]
|
||||||
|
|
||||||
|
index = np.load(f'data_indices/data_index_{args.dataset_name}.npy')
|
||||||
|
|
||||||
|
exemplar_index = np.load(f'data_indices/exemplar_idx_{args.dataset_name}.npy')
|
||||||
|
|
||||||
|
wild_q_indices = index[:int(args.wild_ratio * length)]
|
||||||
|
|
||||||
|
wild_q_indices1 = wild_q_indices[:len(wild_q_indices) - 100]
|
||||||
|
|
||||||
|
args.num_exemplars = len(exemplar_index)
|
||||||
|
|
||||||
|
gt_label_test = []
|
||||||
|
gt_label_wild = []
|
||||||
|
gt_label_exemplar = []
|
||||||
|
|
||||||
|
test_prompts = []
|
||||||
|
train_prompts = []
|
||||||
|
exemplar_prompts = []
|
||||||
|
|
||||||
|
|
||||||
|
for i in range(length):
|
||||||
|
if i not in wild_q_indices:
|
||||||
|
gt_label_test.extend(gt_label[i: i+1])
|
||||||
|
test_prompts.extend(prompts[i:i+1])
|
||||||
|
|
||||||
|
elif i in exemplar_index:
|
||||||
|
gt_label_exemplar.extend(gt_label[i: i+1])
|
||||||
|
exemplar_prompts.extend(prompts[i:i+1])
|
||||||
|
|
||||||
|
elif i in wild_q_indices1:
|
||||||
|
gt_label_wild.extend(gt_label[i: i+1])
|
||||||
|
train_prompts.extend(prompts[i:i+1])
|
||||||
|
|
||||||
|
gt_label_test = np.asarray(gt_label_test)
|
||||||
|
gt_label_exemplar = np.asarray(gt_label_exemplar)
|
||||||
|
gt_label_wild = np.asarray(gt_label_wild)
|
||||||
|
|
||||||
|
labels = [ gt_label_test, gt_label_wild, gt_label_exemplar]
|
||||||
|
prompts = [ test_prompts, train_prompts, exemplar_prompts]
|
||||||
|
|
||||||
|
num_layers = model.config.num_hidden_layers
|
||||||
|
hidden_size = model.config.hidden_size
|
||||||
|
|
||||||
|
for param in model.parameters():
|
||||||
|
param.requires_grad = False
|
||||||
|
|
||||||
|
tsv = nn.ParameterList(
|
||||||
|
[nn.Parameter(torch.zeros(hidden_size), requires_grad=True) for _ in range(num_layers)])
|
||||||
|
|
||||||
|
tsv.to(device)
|
||||||
|
|
||||||
|
add_tsv_layers(model, tsv, [args.lam], args)
|
||||||
|
|
||||||
|
optimizer = torch.optim.AdamW(list(tsv.parameters()), lr=args.lr)
|
||||||
|
|
||||||
|
train_model(model, optimizer, device, prompts, labels, args=args)
|
||||||
|
|
||||||
|
if __name__ == '__main__':
|
||||||
|
seed_everything(42)
|
||||||
|
main()
|
||||||
Loading…
Reference in New Issue