Internal state is float between 0 and 1, not binary?

[ocarinamat]

Hi, I noticed that the activations are not binary, but floats between 0 and 1, and I was wandering if there is a bug.
The usage of floats is due to the fact that, also in the binary models, the hard tanh function is used, e.g.:

self.tanh2 = nn.Hardtanh(inplace=True)

In the paper, however, it is mentioned that the activation function should behave as a sign function in the forward step - is this correct? Thanks,

[itayhubara]

Please look at resnet_binary line 4, this line import binarize conv and fully connected operators:

from .binarized_modules import BinarizeLinear,BinarizeConv2d

If you look in binarized_modules .py line 13 you'll find your sign function

[ocarinamat]

Righ, I was checking the input of the BinaryConv module, missing how you use Binarize in the first step of the forward function of that module. Thanks again!

[hoangble]

Same question here, not sure if @ocarinamat or @itayhubara can provide more insight into it.

I'm working specifically with binary resent with CIFAR10. While the BinarizeLinear,BinarizeConv2d are used, the activations (after Hardtanh) are float between -1 and 1. My understanding is that BinarizeConv2d just binarizes the weights of the convolutional layers. I'm not what I'm missing here to get the binary activations as well.

Thanks a lot!