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]: Truepytorch 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'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)check cuda version pytorch
torch.version.cudaCopyright © 2021 Codeinu
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