python-pytorchHow do I save a PyTorch tensor to a file using Python?
To save a PyTorch tensor to a file using Python, use the following steps:
- Import the necessary libraries:
import torch
import numpy as np
- Create a tensor object:
x = torch.tensor([1, 2, 3])
- Save the tensor to a file:
torch.save(x, 'x_tensor.pt')
- Verify that the tensor has been saved correctly by loading it back into memory:
x2 = torch.load('x_tensor.pt')
print(x2)
Output example
tensor([1, 2, 3])
- Save the tensor as a numpy array:
np.save('x_tensor.npy', x.numpy())
- Verify that the numpy array has been saved correctly by loading it back into memory:
x3 = np.load('x_tensor.npy')
print(x3)
Output example
[1 2 3]
- Finally, you can also save the tensor to a text file:
torch.save(x, open('x_tensor.txt', 'w'))
Helpful links
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