pytorch 多卡训练 accelerate gloo

目录

accelerate 多卡训练 Windows例子

gloo 多卡训练

accelerate 多卡训练 Windows例子

import torch
from torch.nn.parallel import DistributedDataParallel as DDP
from torch.utils.data import DataLoader, RandomSampler
from accelerate import Accelerator


# 模拟数据集
class RandomDataset(torch.utils.data.Dataset):
    def __init__(self, size=100):
        self.data = torch.randn(size, 3)

    def __getitem__(self, index):
        re