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import torch
@torch.jit.script
def fn(x, scale, shift):
return scale * x / shift
@torch.jit.script
def recurrent(x, scale, shift):
y = x
for i in range(100):
y = fn(y, scale, shift)
return y
x = torch.randn(2, 2, device='cuda')
scale = torch.randn(2, 2, device='cuda', requires_grad=True)
shift = torch.randn(2, 2, device='cuda', requires_grad=True)
inputs = [x, scale, shift]
out = recurrent(x, scale, shift)
recurrent.graph_for(x, scale, shift)
import torch
@torch.jit.script
def recurrent_scaleshift(x, scale, shift):
y = x
for i in range(64):
y = scale * y + shift
return y
x = torch.randn(2, 2, device='cuda')
scale = torch.randn(2, 2, device='cuda', requires_grad=True)
shift = torch.randn(2, 2, device='cuda', requires_grad=True)
inputs = [x, scale, shift]
out = recurrent_scaleshift(x, scale, shift)
recurrent_scaleshift.graph_for(x, scale, shift)
import torch
x = torch.tensor([])
x.requires_grad = True
x.mean().backward() # no error triggered
x = x.cuda()
x.mean().backward()
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