Comments (3)
And I pulled a new request for it just now, see #63
I rewrite it as h = torch.cat([h[0:h.size(0):2], h[1:h.size(0):2]], 2)
, it is 10% faster on my computer.
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Hey, I also confused with question last night, but now I have figured out how it works.
Like this example:
torch.manual_seed(1)
lstm = nn.LSTM(input_size=1,
num_layers=1,
bidirectional=True,
bias=False,
hidden_size=1)
a = Variable(torch.ones(1, 1, 1))
result, context = lstm(a)
print(context)
output:
Variable containing:
(0 ,.,.) =
0.1321
(1 ,.,.) =
-0.0980
[torch.FloatTensor of size 2x1x1]
and then change its layer to 2:
torch.manual_seed(1)
lstm = nn.LSTM(input_size=1,
num_layers=2,
bidirectional=True,
bias=False,
hidden_size=1)
a = Variable(torch.ones(1, 1, 1))
result, context = lstm(a)
print(context[0])
output:
Variable containing:
(0 ,.,.) =
0.1321
(1 ,.,.) =
-0.0980
(2 ,.,.) =
0.0037
(3 ,.,.) =
-0.0032
[torch.FloatTensor of size 4x1x1]
Because I manually set the random seed, so the parameter of LSTM will be same at each time, and the result shows that the order of h is :
[
layer0_forward
layer0_backward
layer1_forward
layer1_backward
layer2_forward
layer2_backward
...
]
And the same for c.
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@voidmagic Great! Thanks.
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