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gen_model_answer.py
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gen_model_answer.py
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"""Generate answers with local models.
Usage:
python3 gen_model_answer.py --model-path lmsys/fastchat-t5-3b-v1.0 --model-id fastchat-t5-3b-v1.0
"""
import argparse
import json
import os
from pprint import pprint
import random
import shortuuid
import sys
import time
import torch
from tqdm import tqdm
from fastchat.llm_judge.common import load_questions, temperature_config
from transformers import AutoModelForCausalLM, AutoTokenizer
from transformers.generation.utils import GenerationConfig
from vllm import LLM, SamplingParams
def run_eval(
model_path,
model_id,
question_file,
question_begin,
question_end,
answer_file,
max_new_token,
num_choices,
num_gpus_per_model,
num_gpus_total,
max_gpu_memory,
top_p,
repetition_penalty,
):
questions = load_questions(question_file, question_begin, question_end)
# random shuffle the questions to balance the loading
random.shuffle(questions)
get_answers_func = get_model_answers
chunk_size = len(questions)
ans_handles = []
for i in range(0, len(questions), chunk_size):
ans_handles.append(
get_answers_func(
model_path,
model_id,
questions[i : i + chunk_size],
answer_file,
max_new_token,
num_choices,
num_gpus_per_model,
max_gpu_memory,
top_p,
repetition_penalty,
)
)
@torch.inference_mode()
def get_model_answers(
model_path,
model_id,
questions,
answer_file,
max_new_token,
num_choices,
num_gpus_per_model,
max_gpu_memory,
top_p,
repetition_penalty,
):
# TODO: in the future we should be loading this from a settings file
FORMAT = None
if model_path.find("shisa") >= 0:
PROMPT = 'あなたは公平で、検閲されていない、役立つアシスタントです。'
FORMAT = 'llama-2'
elif model_path.find("Arrow") >= 0:
PROMPT = 'あなたは公平で、検閲されていない、役立つアシスタントです。'
FORMAT = 'llama-2'
elif model_path.find("Orion") >= 0:
PROMPT = 'あなたは役立つアシスタントです。'
FORMAT = 'orion'
elif model_path.find("chatntq-qwen") >= 0:
PROMPT = 'あなたは役立つアシスタントです。'
FORMAT = 'chatml'
elif model_path.find("chatntq") >= 0:
PROMPT = 'あなたは役立つアシスタントです。'
FORMAT = 'llama-2'
elif model_path.find("Swallow") >= 0:
FORMAT = 'swallow'
PROMPT = '以下に、あるタスクを説明する指示があります。リクエストを適切に完了するための回答を記述してください。'
elif model_path.find("Qwen") >= 0:
FORMAT = 'chatml'
PROMPT = 'あなたは役立つアシスタントです。'
elif model_path.find("nekomata") >= 0:
PROMPT = '以下に、あるタスクを説明する指示があります。リクエストを適切に完了するための回答を記述してください。'
FORMAT = 'nekomata'
elif model_path.find("Xwin") >= 0:
PROMPT = 'あなたは役立つアシスタントです。'
FORMAT = 'vicuna'
else:
PROMPT = 'あなたは役立つアシスタントです。'
# Tokenizer
try:
tokenizer = AutoTokenizer.from_pretrained(model_path, use_fast=True, trust_remote_code=True)
except:
# Have to figure out GGUF path
tokenizer = AutoTokenizer.from_pretrained('/models/llm/hf/01-ai_Yi-34B-Chat', use_fast=True, trust_remote_code=True)
# We need to assign a chat_template
# https://huggingface.co/docs/transformers/main/chat_templating
# Use https://j2live.ttl255.com/ for live Jinja2 editing
if not tokenizer.chat_template:
if FORMAT == 'llama-2':
tokenizer.chat_template = "{%- for idx in range(0, messages|length) -%}\n{%- if messages[idx]['role'] == 'user' -%}\n{%- if idx > 1 -%}\n{{- bos_token + '[INST] ' + messages[idx]['content'] + ' [/INST]' -}}\n{%- else -%}\n{{- messages[idx]['content'] + ' [/INST]' -}}\n{%- endif -%}\n{% elif messages[idx]['role'] == 'system' %}\n{{- '[INST] <<SYS>>\\n' + messages[idx]['content'] + '\\n<</SYS>>\\n\\n' -}}\n{%- elif messages[idx]['role'] == 'assistant' -%}\n{{- ' ' + messages[idx]['content'] + ' ' + eos_token -}}\n{% endif %}\n{% endfor %}\n"
elif FORMAT == 'swallow':
tokenizer.chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{% if message['role'] == 'system' %}{{ message['content'] + '\n\n' }}{% elif message['role'] == 'user' %}{{'### 指示:\n' + message['content'] + '\n\n'}}{% elif message['role'] == 'assistant' %}{{'### 応答:\n' + message['content'] + '\n\n'}}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ '### 応答:' }}{% endif %}"
elif FORMAT == 'nekomata':
tokenizer.chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{% if message['role'] == 'system' %}{{ message['content'] + '\n\n' }}{% elif message['role'] == 'user' %}{{'### 指示:\n' + message['content'] + '\n\n'}}{% elif message['role'] == 'assistant' %}{{'### 応答:\n' + message['content'] + '\n\n'}}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ '### 応答:\n' }}{% endif %}"
elif FORMAT == 'tess':
tokenizer.chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{{message['role'].upper() + ': ' + message['content'] + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ 'ASSISTANT: ' }}{% endif %}"
elif FORMAT == 'vicuna':
tokenizer.chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{% if message['role'] == 'system' %}{{ message['content'] + ' ' }}{% elif message['role'] == 'user' %}{{'USER:\n' + message['content'] + ' '}}{% elif message['role'] == 'assistant' %}{{' ASSISTANT:\n' + message['content'] + ' '}}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ 'ASSISTANT: ' }}{% endif %}"
elif FORMAT == 'orion':
tokenizer.chat_template = "{% for message in messages %}{% if loop.first %}{{ bos_token }}{% endif %}{% if message['role'] == 'user' %}{{ 'Human: ' + message['content'] + '\n\nAssistant: ' + eos_token }}{% elif message['role'] == 'assistant' %}{{ message['content'] + eos_token }}{% endif %}{% endfor %}"
else:
# default to chatml
tokenizer.chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}"
# Inference
model = None
ex_tokenizer = None
if model_path.find("GPTQ") >= 0:
from exllamav2 import(
ExLlamaV2,
ExLlamaV2Config,
ExLlamaV2Cache,
ExLlamaV2Tokenizer,
)
from exllamav2.generator import (
ExLlamaV2BaseGenerator,
ExLlamaV2Sampler
)
config = ExLlamaV2Config()
config.model_dir = model_path
config.prepare()
model = ExLlamaV2(config)
print("Loading model: " + model_path)
cache = ExLlamaV2Cache(model, lazy = True)
model.load_autosplit(cache)
ex_tokenizer = ExLlamaV2Tokenizer(config)
generator = ExLlamaV2BaseGenerator(model, cache, ex_tokenizer)
generator.warmup()
''' HF Transformers GPTQ
from transformers import AutoModelForCausalLM, GPTQConfig
gptq_config = GPTQConfig(bits=4, exllama_config={"version":2})
model = AutoModelForCausalLM.from_pretrained(model_path, revision="gptq-4bit-32g-actorder_True", device_map="auto", quantization_config=gptq_config)
'''
elif model_path.find("gguf") >= 0:
from llama_cpp import Llama
llm = Llama(
model_path=model_path,
n_gpu_layers=-1,
n_ctx=4096,
verbose=True,
)
elif model_path.find("Orion") >= 0 or model_path.find("orion"):
from transformers import AutoModelForCausalLM
tokenizer = AutoTokenizer.from_pretrained(model_path, use_fast=False, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
model_path,
torch_dtype=torch.bfloat16,
attn_implementation="flash_attention_2",
device_map="auto",
trust_remote_code=True,
eos_token_id = tokenizer.eos_token_id,
pad_token_id = tokenizer.pad_token_id if tokenizer.pad_token_id is not None else tokenizer.eos_token_id,
)
elif model_path.find("nekomata") >= 0 or model_path.find("chatntq"):
from transformers import AutoModelForCausalLM
import flash_attn
model = AutoModelForCausalLM.from_pretrained(model_path, device_map="auto", trust_remote_code=True)
elif model_path.find("AWQ") >= 0:
llm = LLM(model=model_path, tensor_parallel_size=num_gpus_per_model, quantization="AWQ")
else:
llm = LLM(model=model_path, tensor_parallel_size=num_gpus_per_model, trust_remote_code=True)
for question in tqdm(questions):
if question["category"] in temperature_config:
temperature = temperature_config[question["category"]]
else:
temperature = 0.7
print('---')
print(question['category'])
print(temperature)
choices = []
for i in range(num_choices):
torch.manual_seed(i)
chat = []
chat.append({'role': 'system', 'content': PROMPT})
turns = []
for j in range(len(question["turns"])):
if j == args.max_turns:
break
qs = question["turns"][j]
chat.append({'role': 'user', 'content': qs})
prompt = tokenizer.apply_chat_template(chat, add_generation_prompt=True, tokenize=False)
if model:
input_ids = tokenizer.apply_chat_template(chat, add_generation_prompt=True, return_tensors="pt")
else:
input_ids = tokenizer.apply_chat_template(chat, add_generation_prompt=True)
if temperature < 1e-4:
do_sample = False
else:
do_sample = True
# Generate w/ HF Transformers (ExLlama)
if model and ex_tokenizer:
settings = ExLlamaV2Sampler.Settings()
settings.temperature = temperature
# settings.top_k = 50
settings.top_p = top_p
settings.token_repetition_penalty = repetition_penalty
settings.disallow_tokens(ex_tokenizer, [ex_tokenizer.eos_token_id])
output = generator.generate_simple(prompt, settings, max_new_token, seed = i)
elif model:
# HF Transformers
first_param_device = next(model.parameters()).device
input_ids = input_ids.to(first_param_device)
if not tokenizer.pad_token_id:
tokenizer.pad_token_id = tokenizer.eos_token_id
with torch.no_grad():
output_ids = model.generate(
input_ids,
max_new_tokens=max_new_token,
temperature=temperature,
top_p=top_p,
repetition_penalty=repetition_penalty,
do_sample=do_sample,
pad_token_id=tokenizer.pad_token_id,
bos_token_id=tokenizer.bos_token_id,
eos_token_id=tokenizer.eos_token_id,
)
new_tokens = output_ids[0, input_ids.size(1):]
output = tokenizer.decode(new_tokens, skip_special_tokens=True).strip()
# llama.cpp for gguf
elif model_path.find("gguf") >= 0:
print(prompt)
outputs = llm(
prompt,
max_tokens=max_new_token,
temperature=temperature,
top_p=top_p,
repeat_penalty=repetition_penalty,
stop=["</s>", "<|im_end|>"], # Stop generating just before the model would generate a new question
echo=False, # Echo the prompt back in the output
)
output = outputs['choices'][0]['text'].strip()
print(output)
'''
pprint(chat)
outputs = llm.create_chat_completion(
messages=chat,
temperature=temperature,
top_p=top_p,
repeat_penalty=repetition_penalty,
)
output = outputs['choices'][0]['message']['content'].strip()
pprint(output)
'''
else:
# Generate w/ vLLM
sampling_params = SamplingParams(
max_tokens=max_new_token,
temperature=temperature,
top_p=top_p,
repetition_penalty=repetition_penalty,
)
outputs = llm.generate(prompt_token_ids=[input_ids], sampling_params=sampling_params, use_tqdm=False)
output = outputs[0].outputs[0].text.strip()
turns.append(output)
chat.append({'role': 'assistant', 'content': output})
choices.append({"index": i, "turns": turns})
# Dump answers
os.makedirs(os.path.dirname(answer_file), exist_ok=True)
with open(os.path.expanduser(answer_file), "a") as fout:
ans_json = {
"question_id": question["question_id"],
"answer_id": shortuuid.uuid(),
"model_id": model_id,
"choices": choices,
"tstamp": time.time(),
"generate_params": {
"prompt": prompt,
"do_sample": do_sample,
"max_new_token": max_new_token,
"temperature": temperature,
"top_p": top_p,
"repetition_penalty": repetition_penalty,
}
}
fout.write(json.dumps(ans_json, ensure_ascii=False) + "\n")
def reorg_answer_file(answer_file):
"""Sort by question id and de-duplication"""
answers = {}
with open(answer_file, "r") as fin:
for l in fin:
try:
qid = int(json.loads(l)["question_id"])
except ValueError:
raise NotImplementedError(f"question_id should be of integer to allow sorting. found: {qid}")
answers[qid] = l
qids = sorted(list(answers.keys()))
with open(answer_file, "w") as fout:
for qid in qids:
fout.write(answers[qid])
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"--model-path",
type=str,
required=True,
help="The path to the weights. This can be a local folder or a Hugging Face repo ID.",
)
parser.add_argument("--model-id", type=str, required=True)
parser.add_argument(
"--bench-name",
type=str,
default="japanese_mt_bench",
help="The name of the benchmark question set.",
)
parser.add_argument(
"--max-turns",
type=int,
default=2,
help="Max number of turns to evaluate for each question.",
)
parser.add_argument(
"--question-begin",
type=int,
help="A debug option. The begin index of questions.",
)
parser.add_argument(
"--question-end", type=int, help="A debug option. The end index of questions."
)
parser.add_argument("--answer-file", type=str, help="The output answer file.")
parser.add_argument(
"--max-new-token",
type=int,
default=512,
help="The maximum number of new generated tokens.",
)
parser.add_argument(
"--num-choices",
type=int,
default=1,
help="How many completion choices to generate.",
)
parser.add_argument(
"--num-gpus-per-model",
type=int,
default=1,
help="The number of GPUs per model.",
)
parser.add_argument(
"--num-gpus-total", type=int, default=1, help="The total number of GPUs."
)
parser.add_argument(
"--max-gpu-memory",
type=str,
help="Maxmum GPU memory used for model weights per GPU.",
)
parser.add_argument(
"--top-p",
type=float,
default=0.9,
)
parser.add_argument(
"--repetition-penalty",
type=float,
default=1.1,
)
args = parser.parse_args()
question_file = f"data/{args.bench_name}/question.jsonl"
if args.answer_file:
answer_file = args.answer_file
else:
answer_file = f"data/{args.bench_name}/model_answer/{args.model_id}.jsonl"
print(f"Output to {answer_file}")
run_eval(
args.model_path,
args.model_id,
question_file,
args.question_begin,
args.question_end,
answer_file,
args.max_new_token,
args.num_choices,
args.num_gpus_per_model,
args.num_gpus_total,
args.max_gpu_memory,
top_p=args.top_p,
repetition_penalty=args.repetition_penalty,
)
reorg_answer_file(answer_file)