multi-images training

pull/19/head
xinyanghuang7 2024-10-30 07:42:13 -04:00
parent 2adb3d15a0
commit b45247a32d
2 changed files with 0 additions and 411 deletions

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import os
import platform
import argparse
import time
import math
import warnings
import json
import pandas as pd
import torch
import torch.nn.functional as F
import torch.distributed as dist
from contextlib import nullcontext
from torch import optim
from torch.nn.parallel import DistributedDataParallel
from torch.utils.data import DataLoader, DistributedSampler
from transformers import AutoTokenizer, AutoModel
from model.model import Transformer
from model.LMConfig import LMConfig
from model.dataset import SFTDataset_multi
from model.vision_utils import get_vision_model, get_img_embedding
warnings.filterwarnings('ignore')
def count_parameters(model):
return sum(p.numel() for p in model.parameters() if p.requires_grad)
def Logger(content):
if not ddp or dist.get_rank() == 0:
print(content)
def get_lr(it, all):
warmup_iters = args.warmup_iters
lr_decay_iters = all
min_lr = args.learning_rate / 10
if it < warmup_iters:
return args.learning_rate * it / warmup_iters
if it > lr_decay_iters:
return min_lr
decay_ratio = (it - warmup_iters) / (lr_decay_iters - warmup_iters)
assert 0 <= decay_ratio <= 1
coeff = 0.5 * (1.0 + math.cos(math.pi * decay_ratio))
return min_lr + coeff * (args.learning_rate - min_lr)
def train_epoch(epoch, wandb):
start_time = time.time()
for step, (X, Y, loss_mask, image_process) in enumerate(train_loader):
X = X.to(args.device)
Y = Y.to(args.device)
loss_mask = loss_mask.to(args.device)
image_process = image_process.to(args.device)
image_encoders = get_img_embedding(image_process, vision_model) # torch.Size([32, 4, 50, 768])
lr = get_lr(epoch * iter_per_epoch + step, args.epochs * iter_per_epoch)
for param_group in optimizer.param_groups:
param_group['lr'] = lr
with ctx:
logits = model(X, Y, image_encoders=image_encoders).logits
loss = F.cross_entropy(logits.view(-1, logits.size(-1)), Y.view(-1), ignore_index=0, reduction='none')
loss_mask = loss_mask.view(-1)
loss = torch.sum(loss * loss_mask) / loss_mask.sum()
scaler.scale(loss).backward()
if (step + 1) % args.accumulation_steps == 0:
scaler.unscale_(optimizer)
torch.nn.utils.clip_grad_norm_(model.parameters(), args.grad_clip)
scaler.step(optimizer)
scaler.update()
optimizer.zero_grad(set_to_none=True)
if step % args.log_interval == 0:
spend_time = time.time() - start_time
Logger(
'Epoch:[{}/{}]({}/{}) loss:{:.3f} lr:{:.7f} epoch_Time:{}min:'.format(
epoch+1,
args.epochs,
step,
iter_per_epoch,
loss.item(),
optimizer.param_groups[-1]['lr'],
spend_time / (step + 1) * iter_per_epoch // 60 - spend_time // 60))
if (wandb is not None) and (not ddp or dist.get_rank() == 0):
wandb.log({"loss": loss,
"lr": optimizer.param_groups[-1]['lr'],
"epoch_Time": spend_time / (step + 1) * iter_per_epoch // 60 - spend_time // 60})
if (step + 1) % args.save_interval == 0 and (not ddp or dist.get_rank() == 0):
model.eval()
moe_path = '_moe' if lm_config.use_moe else ''
ckp = f'{args.save_dir}/{lm_config.dim}{moe_path}_vlm_sft.pth'
if isinstance(model, torch.nn.parallel.DistributedDataParallel):
state_dict = model.module.state_dict()
else:
state_dict = model.state_dict()
torch.save(state_dict, ckp)
model.train()
if args.save_last and (not ddp or dist.get_rank() == 0):
model.eval()
moe_path = '_moe' if lm_config.use_moe else ''
ckp = f'{args.save_dir}/{lm_config.dim}{moe_path}_vlm_sft_multi.pth'
if isinstance(model, torch.nn.parallel.DistributedDataParallel):
state_dict = model.module.state_dict()
else:
state_dict = model.state_dict()
torch.save(state_dict, ckp)
model.train()
def init_model(lm_config):
tokenizer = AutoTokenizer.from_pretrained('./model/minimind_tokenizer')
moe_path = '_moe' if lm_config.use_moe else ''
# ckp = f'./out/{lm_config.dim}{moe_path}_vlm_pretrain.pth'
ckp = f'./out/{lm_config.dim}{moe_path}_vlm_sft.pth'
model = Transformer(lm_config)
state_dict = torch.load(ckp, map_location=args.device)
# 处理不需要的前缀
unwanted_prefix = '_orig_mod.'
for k, v in list(state_dict.items()):
if k.startswith(unwanted_prefix):
state_dict[k[len(unwanted_prefix):]] = state_dict.pop(k)
# 加载到模型中
model.load_state_dict(state_dict, strict=False)
model = model.to(args.device)
print(f'模型可学习参数: {count_parameters(model) / 1e6} 百万 = {count_parameters(model) / 1e9} B (Billion)')
(vision_model, preprocess) = get_vision_model()
vision_model = vision_model.to(args.device)
return model, tokenizer, (vision_model, preprocess)
def init_distributed_mode():
if not ddp: return
global ddp_local_rank, DEVICE
dist.init_process_group(backend="nccl")
ddp_rank = int(os.environ["RANK"])
ddp_local_rank = int(os.environ["LOCAL_RANK"])
ddp_world_size = int(os.environ["WORLD_SIZE"])
DEVICE = f"cuda:{ddp_local_rank}"
torch.cuda.set_device(DEVICE)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="MiniMind-V-SFT")
parser.add_argument("--out_dir", type=str, default="out", help="Output directory")
parser.add_argument("--epochs", type=int, default=30, help="Number of epochs")
parser.add_argument("--batch_size", type=int, default=32, help="Batch size")
parser.add_argument("--learning_rate", type=float, default=1e-5, help="Learning rate")
parser.add_argument("--device", type=str, default="cuda:0" if torch.cuda.is_available() else "cpu",
help="Device to use")
parser.add_argument("--dtype", type=str, default="bfloat16", help="Data type")
parser.add_argument("--use_wandb", default=False, action="store_true", help="Use Weights & Biases")
parser.add_argument("--wandb_project", type=str, default="MiniMind-V", help="Weights & Biases project name")
parser.add_argument("--num_workers", type=int, default=8, help="Number of workers for data loading")
parser.add_argument("--data_path", type=str, default="./dataset/sft_multi_images/output.json",
help="Path to training data")
parser.add_argument("--ddp", action="store_true", help="Use DistributedDataParallel")
parser.add_argument("--accumulation_steps", type=int, default=1, help="Gradient accumulation steps")
parser.add_argument("--grad_clip", type=float, default=1.0, help="Gradient clipping threshold")
parser.add_argument("--warmup_iters", type=int, default=0, help="Number of warmup iterations")
parser.add_argument("--log_interval", type=int, default=100, help="Logging interval")
parser.add_argument("--save_interval", type=int, default=100, help="Model saving interval")
parser.add_argument('--local_rank', type=int, default=-1, help='local rank for distributed training')
parser.add_argument('--save_last', type=bool, default=True, help='save last step model')
args = parser.parse_args()
lm_config = LMConfig()
max_seq_len = lm_config.max_seq_len
args.save_dir = os.path.join(args.out_dir)
os.makedirs(args.save_dir, exist_ok=True)
os.makedirs(args.out_dir, exist_ok=True)
tokens_per_iter = args.batch_size * max_seq_len
torch.manual_seed(1337)
device_type = "cuda" if "cuda" in args.device else "cpu"
args.wandb_run_name = f"MiniMind-V-SFT-Epoch-{args.epochs}-BatchSize-{args.batch_size}-LearningRate-{args.learning_rate}"
ctx = nullcontext() if device_type == "cpu" else torch.cuda.amp.autocast()
ddp = int(os.environ.get("RANK", -1)) != -1 # is this a ddp run?
ddp_local_rank, DEVICE = 0, "cuda:0"
if ddp:
init_distributed_mode()
args.device = torch.device(DEVICE)
if args.use_wandb and (not ddp or ddp_local_rank == 0):
import wandb
wandb.init(project=args.wandb_project, name=args.wandb_run_name)
else:
wandb = None
model, tokenizer, (vision_model, preprocess) = init_model(lm_config)
use_version = 0
train_ds = SFTDataset_multi(args.data_path, tokenizer, vision_model=(vision_model, preprocess),
image_special_token=lm_config.image_special_token,
max_length=max_seq_len)
train_sampler = DistributedSampler(train_ds) if ddp else None
train_loader = DataLoader(
train_ds,
batch_size=args.batch_size,
pin_memory=True,
drop_last=False,
shuffle=False,
num_workers=args.num_workers,
sampler=train_sampler
)
scaler = torch.cuda.amp.GradScaler(enabled=(args.dtype in ['float16', 'bfloat16']))
optimizer = optim.Adam(model.parameters(), lr=args.learning_rate)
if False and not lm_config.use_moe and platform.system() != 'Windows' and float(
torch.__version__.split('.')[0]) >= 2:
Logger("compiling the model... (takes a ~minute)")
unoptimized_model = model
model = torch.compile(model)
if ddp:
model._ddp_params_and_buffers_to_ignore = {"pos_cis"}
model = DistributedDataParallel(model, device_ids=[ddp_local_rank])
iter_per_epoch = len(train_loader)
for epoch in range(args.epochs):
train_epoch(epoch, wandb)

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import os
import random
import time
import numpy as np
import torch
import warnings
from PIL import Image
from transformers import AutoTokenizer, AutoModelForCausalLM
from model.model import Transformer
from model.LMConfig import LMConfig
from model.vision_utils import get_vision_model, get_img_process, get_img_embedding
warnings.filterwarnings('ignore')
def count_parameters(model):
return sum(p.numel() for p in model.parameters() if p.requires_grad)
def init_model(lm_config):
tokenizer = AutoTokenizer.from_pretrained('./model/minimind_tokenizer')
model_from = 1 # 1从权重,2用transformers
if model_from == 1:
moe_path = '_moe' if lm_config.use_moe else ''
ckp = f'./out/{lm_config.dim}{moe_path}_vlm_sft_multi.pth'
model = Transformer(lm_config)
state_dict = torch.load(ckp, map_location=device)
# 处理不需要的前缀
unwanted_prefix = '_orig_mod.'
for k, v in list(state_dict.items()):
if k.startswith(unwanted_prefix):
state_dict[k[len(unwanted_prefix):]] = state_dict.pop(k)
# 加载到模型中
model.load_state_dict(state_dict, strict=False)
else:
model = AutoModelForCausalLM.from_pretrained('minimind-v-v1-small',
trust_remote_code=True)
model = model.to(device)
print(f'模型参数: {count_parameters(model) / 1e6} 百万 = {count_parameters(model) / 1e9} B (Billion)')
(vision_model, preprocess) = get_vision_model()
vision_model = vision_model.to(device)
return model, tokenizer, (vision_model, preprocess)
def setup_seed(seed):
random.seed(seed) # 设置 Python 的随机种子
np.random.seed(seed) # 设置 NumPy 的随机种子
torch.manual_seed(seed) # 设置 PyTorch 的随机种子
torch.cuda.manual_seed(seed) # 为当前 GPU 设置随机种子(如果有)
torch.cuda.manual_seed_all(seed) # 为所有 GPU 设置随机种子(如果有)
torch.backends.cudnn.deterministic = True # 确保每次返回的卷积算法是确定的
torch.backends.cudnn.benchmark = False # 关闭 cuDNN 的自动调优,避免不确定性
if __name__ == "__main__":
# -----------------------------------------------------------------------------
out_dir = 'out'
start = ""
temperature = 0.5
top_k = 8
setup_seed(1337)
# device = 'cpu'
device = 'cuda:0' if torch.cuda.is_available() else 'cpu'
dtype = 'bfloat16'
max_seq_len = 1 * 1024
lm_config = LMConfig()
lm_config.max_seq_len = max_seq_len
# -----------------------------------------------------------------------------
model, tokenizer, (vision_model, preprocess) = init_model(lm_config)
model = model.eval()
# 推送到huggingface
# model.push_to_hub("minimind")
# tokenizer.push_to_hub("minimind")
stream = True
i = 0
# 获取图像文件列表
# image_dir = './dataset/eval_multi_images/' # 对于图像转换数据集
image_dir = './dataset/eval_multi_images/bird/' # 对于鸟类数据集
image_files = sorted(os.listdir(image_dir))
# 对于图像转换数据集
# prompt = "context: Source Image: <image> Target Image: <image> Instruction: What is the correct image edit instruction that can transfrom the source image to target image?"
# 对于鸟类数据集
prompt = "<image>\n<image>\nName all the differences between these two birds."
# 遍历图像文件
image_encoders = []
for i, image_file in enumerate(image_files):
image_path = os.path.join(image_dir, image_file)
# 打开图像并转换为RGB格式
image = Image.open(image_path).convert('RGB')
image_process = get_img_process(image, preprocess).to(vision_model.device)
# 对图像进行编码
image_encoder = get_img_embedding(image_process, vision_model).unsqueeze(0)
image_encoders.append(image_encoder)
print(f'[Image]: {image_file}')
image_encoders = torch.cat(image_encoders, dim=0).unsqueeze(0)
# 准备问题和消息
prompt_ = prompt.replace("\n", "")
print(f'[Q]: {prompt_}')
messages = [{"role": "user", "content": prompt}]
new_prompt = tokenizer.apply_chat_template(
messages,
tokenize=False,
add_generation_prompt=True
)[-(max_seq_len - 1):]
x = tokenizer(new_prompt).data['input_ids']
x = (torch.tensor(x, dtype=torch.long, device=device)[None, ...])
with torch.no_grad():
res_y = model.generate(x, tokenizer.eos_token_id, max_new_tokens=max_seq_len, temperature=temperature,
top_k=top_k, stream=stream, image_encoders=image_encoders)
print('[A]: ', end='')
try:
y = next(res_y)
except StopIteration:
print("No answer")
exit()
history_idx = 0
while y is not None:
answer = tokenizer.decode(y[0].tolist())
if answer and answer[-1] == '<EFBFBD>':
try:
y = next(res_y)
except StopIteration:
break
continue
if not len(answer):
try:
y = next(res_y)
except StopIteration:
break
continue
print(answer[history_idx:], end='', flush=True)
try:
y = next(res_y)
except StopIteration:
break
history_idx = len(answer)
if not stream:
break
print('\n')