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import os | ||
import warnings | ||
from typing import List, Optional, Tuple, Union | ||
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import torch | ||
from accelerate import Accelerator, DistributedType | ||
from accelerate.state import AcceleratorState | ||
from sae import Sae | ||
from tqdm import tqdm | ||
from transformers import ( | ||
AutoConfig, | ||
AutoProcessor, | ||
LlavaForConditionalGeneration, | ||
LlavaNextForConditionalGeneration, | ||
) | ||
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from lmms_eval import utils | ||
from lmms_eval.api.instance import Instance | ||
from lmms_eval.api.model import lmms | ||
from lmms_eval.api.registry import register_model | ||
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warnings.filterwarnings("ignore") | ||
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from loguru import logger as eval_logger | ||
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DEFAULT_IMAGE_TOKEN = "<image>" | ||
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# Default chat for llava-hf/llava-1.5 models: https://huggingface.co/collections/llava-hf/llava-15-65f762d5b6941db5c2ba07e0 | ||
VICUNA_CHAT_TEMPLATE = "{% for message in messages %}{% if loop.index0 == 0 %}A chat between a curious user and an artificial intelligence assistant. The assistant gives helpful, detailed, and polite answers to the user's questions. USER: {{ message['content'] }} {% elif message['role'] == 'user' %}USER: {{ message['content'] }} {% else %} ASSISTANT: {{ message['content'] }}{{ eos_token }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ 'ASSISTANT:' }}{% endif %}" | ||
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model_map = { | ||
"llava": LlavaForConditionalGeneration, | ||
"llava_next": LlavaNextForConditionalGeneration, | ||
} | ||
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@register_model("llava_sae_hooked") | ||
class LlavaSaeHooked(lmms): | ||
""" | ||
Llava Model for Hugging Face Transformers: https://huggingface.co/docs/transformers/v4.39.3/en/model_doc/llava | ||
Adapted from the InstructBLIP model in lmms_eval/models/instructblip.py | ||
Example usage: | ||
accelerate launch --num_processes=8 --main_process_port 12345 -m lmms_eval \ | ||
--model llava_hf \ | ||
--model_args pretrained=llava-hf/llava-1.5-7b-hf \ | ||
--tasks seedbench \ | ||
--batch_size 1 \ | ||
--output_path ./logs/ \ | ||
--log_samples | ||
""" | ||
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def __init__( | ||
self, | ||
pretrained: str = "llava-hf/llava-1.5-7b-hf", | ||
revision: str = "main", | ||
device: str = "cuda", | ||
dtype: Optional[Union[str, torch.dtype]] = "auto", | ||
batch_size: int = 1, | ||
trust_remote_code: Optional[bool] = False, | ||
attn_implementation: Optional[str] = None, | ||
device_map: str = "", | ||
chat_template: Optional[str] = None, | ||
use_cache: bool = True, | ||
specified_eot_token_id: Optional[int] = None, | ||
sae_path: Optional[str] = None, | ||
**kwargs, | ||
) -> None: | ||
super().__init__() | ||
# Do not use kwargs for now | ||
assert kwargs == {}, f"Unexpected kwargs: {kwargs}" | ||
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accelerator = Accelerator() | ||
if accelerator.num_processes > 1 and device_map == "": | ||
self._device = torch.device(f"cuda:{accelerator.local_process_index}") | ||
self.device_map = f"cuda:{accelerator.local_process_index}" | ||
else: | ||
self._device = torch.device(device) | ||
self.device_map = device_map | ||
if isinstance(dtype, str) and dtype != "auto": | ||
dtype = getattr(torch, dtype) | ||
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config = AutoConfig.from_pretrained(pretrained) | ||
model_type = getattr(config, "model_type", "llava") | ||
model_type = model_map[model_type] | ||
self._model = model_type.from_pretrained(pretrained, revision=revision, torch_dtype=dtype, device_map=self.device_map, trust_remote_code=trust_remote_code, attn_implementation=attn_implementation) | ||
if sae_path is not None: | ||
self.module_dict = Sae.load_many(sae_path, local=True if os.path.exists(sae_path) else False, device=self._device) | ||
else: | ||
self.module_dict = None | ||
self.name_to_module = {name: self.model.language_model.get_submodule(name) for name in self.module_dict.keys()} | ||
self.module_to_name = {v: k for k, v in self.name_to_module.items()} | ||
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self.pretrained = pretrained | ||
self._image_processor = AutoProcessor.from_pretrained(pretrained, revision=revision, trust_remote_code=trust_remote_code) | ||
# Pad from left for batched generation: https://huggingface.co/docs/transformers/v4.39.3/en/model_doc/llava#usage-tips | ||
self._image_processor.tokenizer.padding_side = "left" | ||
self._tokenizer = self._image_processor.tokenizer | ||
self._config = self._model.config | ||
self.batch_size_per_gpu = int(batch_size) | ||
self.chat_template = chat_template | ||
self.use_cache = use_cache | ||
self.specified_eot_token_id = specified_eot_token_id | ||
if accelerator.num_processes > 1 and device_map == "": | ||
assert accelerator.distributed_type in [DistributedType.FSDP, DistributedType.MULTI_GPU, DistributedType.DEEPSPEED], "Unsupported distributed type provided. Only DDP and FSDP are supported." | ||
# If you want to use DistributedType.DEEPSPEED, you have to run accelerate config before using the model | ||
# Also, you have to select zero stage 0 (equivalent to DDP) in order to make the prepare model works | ||
# I tried to set different parameters in the kwargs to let default zero 2 stage works, but it didn't work. | ||
if accelerator.distributed_type == DistributedType.DEEPSPEED: | ||
kwargs = { | ||
"train_micro_batch_size_per_gpu": self.batch_size_per_gpu, | ||
"train_batch_size": self.batch_size_per_gpu * accelerator.num_processes, | ||
} | ||
AcceleratorState().deepspeed_plugin.deepspeed_config_process(must_match=True, **kwargs) | ||
eval_logger.info("Detected that you are using DistributedType.DEEPSPEED. Make sure you run `accelerate config` and set zero stage to 0") | ||
if accelerator.distributed_type == DistributedType.FSDP or accelerator.distributed_type == DistributedType.DEEPSPEED: | ||
self._model = accelerator.prepare(self.model) | ||
else: | ||
self._model = accelerator.prepare_model(self.model, evaluation_mode=True) | ||
self.module_dict = {k: accelerator.prepare_model(v) for k, v in self.module_dict.items()} | ||
self.accelerator = accelerator | ||
if self.accelerator.is_local_main_process: | ||
eval_logger.info(f"Using {accelerator.num_processes} devices with data parallelism") | ||
self._rank = self.accelerator.local_process_index | ||
self._world_size = self.accelerator.num_processes | ||
elif accelerator.num_processes == 1 and device_map == "auto": | ||
eval_logger.info(f"Using {accelerator.num_processes} devices with pipeline parallelism") | ||
self._rank = 0 | ||
self._word_size = 1 | ||
else: | ||
eval_logger.info(f"Using single device: {self._device}") | ||
self.model.to(self._device) | ||
self._rank = 0 | ||
self._word_size = 1 | ||
self.accelerator = accelerator | ||
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@property | ||
def config(self): | ||
# return the associated transformers.AutoConfig for the given pretrained model. | ||
return self._config | ||
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@property | ||
def tokenizer(self): | ||
return self._tokenizer | ||
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@property | ||
def model(self): | ||
# returns the model, unwrapping it if using Accelerate | ||
if hasattr(self, "accelerator"): | ||
return self.accelerator.unwrap_model(self._model) | ||
else: | ||
return self._model | ||
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@property | ||
def eot_token_id(self): | ||
# we use EOT because end of *text* is more accurate for what we're doing than end of *sentence* | ||
return self.tokenizer.eos_token_id | ||
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@property | ||
def max_length(self): | ||
return self._max_length | ||
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@property | ||
def batch_size(self): | ||
return self.batch_size_per_gpu | ||
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@property | ||
def device(self): | ||
return self._device | ||
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@property | ||
def rank(self): | ||
return self._rank | ||
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@property | ||
def world_size(self): | ||
return self._world_size | ||
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def tok_encode(self, string: str, left_truncate_len=None, add_special_tokens=None) -> List[int]: | ||
""" """ | ||
add_special_tokens = False if add_special_tokens is None else add_special_tokens | ||
encoding = self.tokenizer.encode(string, add_special_tokens=add_special_tokens) | ||
# left-truncate the encoded context to be at most `left_truncate_len` tokens long | ||
if left_truncate_len: | ||
encoding = encoding[-left_truncate_len:] | ||
return encoding | ||
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def tok_decode(self, tokens): | ||
return self.tokenizer.decode(tokens) | ||
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def loglikelihood(self, requests: List[Instance]) -> List[Tuple[float, bool]]: | ||
res = [] | ||
pbar = tqdm(total=len(requests), disable=(self.rank != 0), desc="Model Responding") | ||
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for context, doc_to_target, doc_to_visual, doc_id, task, split in [reg.args for reg in requests]: | ||
# encode, pad, and truncate contexts for this batch | ||
if type(doc_to_target) == str: | ||
continuation = doc_to_target | ||
else: | ||
continuation = doc_to_target(self.task_dict[task][split][doc_id]) | ||
visuals = [doc_to_visual(self.task_dict[task][split][doc_id])] | ||
visuals = self.flatten(visuals) | ||
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image_tokens = [DEFAULT_IMAGE_TOKEN] * len(visuals) | ||
image_tokens = " ".join(image_tokens) | ||
context = f"{image_tokens}\n{context}" | ||
# Apply chat template | ||
messages = [{"role": "user", "content": context}, {"role": "assistant", "content": continuation}] | ||
if self.chat_template is not None: | ||
self.tokenizer.chat_template = self.chat_template | ||
prompt = self.tokenizer.apply_chat_template(messages[:-1], tokenize=False, add_generation_prompt=True) | ||
prompt_and_continuation = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=False) | ||
elif self.tokenizer.chat_template is not None: | ||
prompt = self.tokenizer.apply_chat_template(messages[:-1], tokenize=False, add_generation_prompt=True) | ||
prompt_and_continuation = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=False) | ||
else: | ||
self.tokenizer.chat_template = VICUNA_CHAT_TEMPLATE | ||
prompt = self.tokenizer.apply_chat_template(messages[:-1], tokenize=False, add_generation_prompt=True) | ||
prompt_and_continuation = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=False) | ||
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formatted_contexts = [prompt] | ||
formatted_continuation = [prompt_and_continuation] | ||
model_inputs = self._image_processor(text=formatted_continuation, images=visuals).to(self._device, self.model.dtype) | ||
labels = model_inputs["input_ids"].clone() | ||
contxt_id = self._image_processor(text=formatted_contexts, return_tensors="pt")["input_ids"] | ||
labels[: len(contxt_id)] = -100 | ||
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if self.accelerator.is_main_process and doc_id % 100 == 0: | ||
eval_logger.debug(f"Prompt for doc ID {doc_id}:\n\n{formatted_contexts[0]}\n") | ||
eval_logger.debug(f"Prompt and continuation for doc ID {doc_id}:\n\n{formatted_continuation[0]}\n") | ||
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with torch.inference_mode(): | ||
outputs = self.model(**model_inputs, labels=labels) | ||
loss = outputs["loss"] | ||
logits = outputs["logits"] | ||
greedy_tokens = logits.argmax(dim=-1) | ||
cont_toks = model_inputs["input_ids"][:, contxt_id.shape[1] :] # [1, seq] | ||
greedy_tokens = greedy_tokens[:, contxt_id.shape[1] : model_inputs["input_ids"].shape[1]] # [1, seq] | ||
max_equal = (greedy_tokens == cont_toks).all() | ||
res.append((float(loss.item()), bool(max_equal))) | ||
pbar.update(1) | ||
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pbar.close() | ||
return res | ||
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def flatten(self, input): | ||
new_list = [] | ||
for i in input: | ||
for j in i: | ||
new_list.append(j) | ||
return new_list | ||
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def generate_until(self, requests: List[Instance]) -> List[str]: | ||
res = [] | ||
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def _collate(x): | ||
# the negative sign on len(toks) sorts descending - this has a few advantages: | ||
# - time estimates will always be over not underestimates, which is more useful for planning | ||
# - to know the size of a batch when going through the list, you know the first one is always the batch | ||
# padded context length. this is useful to simplify the batching logic and more importantly to make | ||
# automatic adaptive batches much much easier to implement | ||
# - any OOMs will happen right away rather than near the end | ||
toks = self.tok_encode(x[0]) | ||
return -len(toks), x[0] | ||
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# we group requests by their generation_kwargs, | ||
# so that we don't try to execute e.g. greedy sampling and temp=0.8 sampling | ||
# in the same batch. | ||
re_ords = utils.Collator([reg.args for reg in requests], _collate, grouping=True) | ||
chunks = re_ords.get_batched(n=self.batch_size, batch_fn=None) | ||
num_iters = len(requests) // self.batch_size if len(requests) % self.batch_size == 0 else len(requests) // self.batch_size + 1 | ||
pbar = tqdm(total=num_iters, disable=(self.rank != 0), desc="Model Responding") | ||
for chunk in chunks: | ||
contexts, all_gen_kwargs, doc_to_visual, doc_id, task, split = zip(*chunk) | ||
task = task[0] | ||
split = split[0] | ||
visuals = [doc_to_visual[0](self.task_dict[task][split][ids]) for ids in doc_id] | ||
visuals = self.flatten(visuals) | ||
# we assume all gen kwargs in the batch are the same | ||
# this is safe to assume because the `grouper` object ensures it. | ||
gen_kwargs = all_gen_kwargs[0] | ||
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# Set default values for until and max_new_tokens | ||
until = [self.tok_decode(self.eot_token_id)] | ||
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# Update values from gen_kwargs if present | ||
if "until" in gen_kwargs: | ||
until = gen_kwargs.pop("until") | ||
if isinstance(until, str): | ||
until = [until] | ||
elif not isinstance(until, list): | ||
raise ValueError(f"Expected `gen_kwargs['until']` to be of type Union[str,list] but got {type(until)}") | ||
assert self.batch_size_per_gpu == 1, "Do not support batch_size_per_gpu > 1 for now" | ||
context = contexts[0] | ||
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# Some benchmarks like MME do not contain image tokens, so we prepend them to the prompt. | ||
if DEFAULT_IMAGE_TOKEN not in context: | ||
image_tokens = [DEFAULT_IMAGE_TOKEN] * len(visuals) | ||
image_tokens = " ".join(image_tokens) | ||
context = f"{image_tokens}\n{context}" | ||
# Apply chat template | ||
messages = [{"role": "user", "content": context}] | ||
if self.chat_template is not None: | ||
self.tokenizer.chat_template = self.chat_template | ||
text = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) | ||
elif self.tokenizer.chat_template is not None: | ||
text = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) | ||
else: | ||
self.tokenizer.chat_template = VICUNA_CHAT_TEMPLATE | ||
text = self.tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True) | ||
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if self.accelerator.is_main_process and doc_id[0] % 100 == 0: | ||
eval_logger.debug(f"Prompt for doc ID {doc_id[0]}:\n\n{text}\n") | ||
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inputs = self._image_processor(images=visuals, text=text, return_tensors="pt").to(self._device, self.model.dtype) | ||
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gen_kwargs["image_sizes"] = [visuals[idx].size for idx in range(len(visuals))] | ||
if "max_new_tokens" not in gen_kwargs: | ||
gen_kwargs["max_new_tokens"] = 1024 | ||
if "temperature" not in gen_kwargs: | ||
gen_kwargs["temperature"] = 0 | ||
if "top_p" not in gen_kwargs: | ||
gen_kwargs["top_p"] = None | ||
if "num_beams" not in gen_kwargs: | ||
gen_kwargs["num_beams"] = 1 | ||
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def hook(module: torch.nn.Module, _, outputs): | ||
# Maybe unpack tuple outputs | ||
if isinstance(outputs, tuple): | ||
unpack_outputs = list(outputs) | ||
else: | ||
unpack_outputs = list(outputs) | ||
name = self.module_to_name[module] | ||
sae = self.module_dict[name] | ||
sae_out = sae(unpack_outputs[0][0]).sae_out.unsqueeze(0).to(torch.float16) | ||
unpack_outputs[0] = sae_out | ||
if isinstance(outputs, tuple): | ||
outputs = tuple(unpack_outputs) | ||
else: | ||
outputs = unpack_outputs[0] | ||
return outputs | ||
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handles = [mod.register_forward_hook(hook) for mod in self.name_to_module.values()] | ||
try: | ||
cont = self.model.generate( | ||
**inputs, | ||
do_sample=True if gen_kwargs["temperature"] > 0 else False, | ||
temperature=gen_kwargs["temperature"], | ||
top_p=gen_kwargs["top_p"], | ||
num_beams=gen_kwargs["num_beams"], | ||
max_new_tokens=gen_kwargs["max_new_tokens"], | ||
use_cache=self.use_cache, | ||
pad_token_id=self.tokenizer.eos_token_id, | ||
eos_token_id=self.specified_eot_token_id, | ||
) | ||
cont = cont[:, inputs["input_ids"].shape[-1] :] | ||
except Exception as e: | ||
eval_logger.error(f"Error {e} in generating") | ||
cont = "" | ||
finally: | ||
for handle in handles: | ||
handle.remove() | ||
text_outputs = self.tokenizer.batch_decode(cont, skip_special_tokens=True)[0] | ||
if self.accelerator.is_main_process and doc_id[0] % 100 == 0: | ||
eval_logger.debug(f"Generated text for doc ID {doc_id[0]}:\n\n{text_outputs}\n") | ||
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res.append(text_outputs) | ||
self.cache_hook.add_partial("generate_until", (context, gen_kwargs), text_outputs) | ||
pbar.update(1) | ||
# reorder this group of results back to original unsorted form | ||
res = re_ords.get_original(res) | ||
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pbar.close() | ||
return res |