pytorch autograd depreciated

[lofux]

Hi!

I am trying to run the jupyter notebook: part3_learned_reconstruction_pytorch.ipynb from the odlworkshop . I use pytorch 1.7.0 and cuda 10.1.

I get the following error message:

---

RuntimeError Traceback (most recent call last) in 5 6 test_images = Variable(images) ----> 7 test_data = generate_data(test_images)

in generate_data(images) 19 """ 20 torch.manual_seed(123) ---> 21 data = fwd_op_mod(images) 22 data += Variable(torch.randn(data.shape)).type_as(data) 23 return data

~/.local/lib/python3.6/site-packages/torch/nn/modules/module.py in _call_impl(self, *input, **kwargs) 725 result = self._slow_forward(*input, **kwargs) 726 else: --> 727 result = self.forward(*input, **kwargs) 728 for hook in itertools.chain( 729 _global_forward_hooks.values(),

~/.local/lib/python3.6/site-packages/odl/contrib/torch/operator.py in forward(self, x) 393 results = [] 394 for i in range(x_flat_xtra.data.shape[0]): --> 395 results.append(self.op_func(x_flat_xtra[i])) 396 397 # Reshape the resulting stack to the expected output shape

~/.local/lib/python3.6/site-packages/torch/autograd/function.py in call(self, *args, **kwargs) 158 def call(self, *args, **kwargs): 159 raise RuntimeError( --> 160 "Legacy autograd function with non-static forward method is deprecated. " 161 "Please use new-style autograd function with static forward method. " 162 "(Example: https://pytorch.org/docs/stable/autograd.html#torch.autograd.Function)")%22))

RuntimeError: Legacy autograd function with non-static forward method is deprecated. Please use new-style autograd function with static forward method. (Example: https://pytorch.org/docs/stable/autograd.html#torch.autograd.Function)

I wonder if it is possible to update odl for the new version of autograd in pytorch?

Kind Regards, Louise

[ZeliangM]

I meet the same problem!

[swpeng24]

Just lower your pytorch version to below 1.3, but I am also solving this problem that occurs above version 1.3, and I am researching...

[JevgenijaAksjonova]

Hi,

I am using almost the latest pytorch (1.12.1.post201) and I have no such problem with the binding. I imagine that part3_learned_reconstruction_pytorch.ipynb can have some outdated code, however the following code runs as expected:

import matplotlib.pyplot as plt import numpy as np import odl import torch from odl.contrib.torch import OperatorModule

print(torch.version)

X = odl.uniform_discr([-10, -10], [10, 10], (100,100)) x = odl.phantom.shepp_logan(X)

apart = odl.uniform_partition(0, 2*np.pi, 100) dpart = odl.uniform_partition(-30, 30, 100) geometry = odl.tomo.FanBeamGeometry(apart=apart, dpart=dpart, src_radius=15, det_radius=15) operator = odl.tomo.RayTransform(X, geometry) pt_op = OperatorModule(operator) pt_x = torch.from_numpy(x.asarray().reshape(1,1,*x.shape)).cuda()

plt.imshow(pt_op(pt_x).detach().cpu().numpy().squeeze())

[ZeliangM]

Hi,

I am using almost the latest pytorch (1.12.1.post201) and I have no such problem with the binding. I imagine that part3_learned_reconstruction_pytorch.ipynb can have some outdated code, however the following code runs as expected:

import matplotlib.pyplot as plt import numpy as np import odl import torch from odl.contrib.torch import OperatorModule

print(torch.version)

X = odl.uniform_discr([-10, -10], [10, 10], (100,100)) x = odl.phantom.shepp_logan(X)

apart = odl.uniform_partition(0, 2*np.pi, 100) dpart = odl.uniform_partition(-30, 30, 100) geometry = odl.tomo.FanBeamGeometry(apart=apart, dpart=dpart, src_radius=15, det_radius=15) operator = odl.tomo.RayTransform(X, geometry) pt_op = OperatorModule(operator) pt_x = torch.from_numpy(x.asarray().reshape(1,1,*x.shape)).cuda()

plt.imshow(pt_op(pt_x).detach().cpu().numpy().squeeze())

I still meet error when use your example.(pytorch==1.10.0,1.8.0)