PyTorch安装

缘由

最近看很多人说Tensoflow,准备转型Pytorch,然后刚好搭建Tensoflow-gpu,搭建好了CUDA环境,就尝试安装了一下!

步骤

安装CUDA环境

具体可以参考https://www.emperinter.info/2020/07/28/tensorflow-gpu-support/

去官网选自己环境配置获取安装代码

  • 如为Windows平台+ Pip包管理 + Python语言 + CUDA10.2则会获取到
pip install torch===1.5.1 torchvision===0.6.1 -f https://download.pytorch.org/whl/torch_stable.html

测试

  • 测试CUDA是否可用
import torch
print(torch.cuda.is_available())

结果应为: True

  • 简单测试
from __future__ import print_function
import torch
x = torch.rand(5, 3)
print(x)

结果类似与:

tensor([[0.0730, 0.5183, 0.0066],
        [0.6899, 0.4511, 0.3222],
        [0.6566, 0.9099, 0.4501],
        [0.3694, 0.5197, 0.9324],
        [0.5693, 0.2476, 0.2959]])

参考


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