Pytorch check if using gpu

Pytorch check gpu

In [1]: import torch

In [2]: torch.cuda.current_device()
Out[2]: 0

In [3]: torch.cuda.device(0)
Out[3]: <torch.cuda.device at 0x7efce0b03be0>

In [4]: torch.cuda.device_count()
Out[4]: 1

In [5]: torch.cuda.get_device_name(0)
Out[5]: 'GeForce GTX 950M'

In [6]: torch.cuda.is_available()
Out[6]: True

Source: stackoverflow.com

Pytorch check if using gpu

import torch

torch.cuda.is_available()
>>> True

torch.cuda.current_device()
>>> 0

torch.cuda.device(0)
>>> <torch.cuda.device at 0x7efce0b03be0>

torch.cuda.device_count()
>>> 1

torch.cuda.get_device_name(0)
>>> 'GeForce GTX 950M'

Source: stackoverflow.com

Pytorch check GPU

device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
#或device = torch.device("cuda:0")
device1 = torch.device("cuda:1")  
for batch_idx, (img, label) in enumerate(train_loader):
    img=img.to(device)
    label=label.to(device)

Source: feiguyunai.com

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