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fix preactivation in BigGAN-deep #81

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fix preactivation in BigGAN-deep #81

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7 changes: 5 additions & 2 deletions BigGANdeep.py
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Original file line number Diff line number Diff line change
Expand Up @@ -314,7 +314,10 @@ def shortcut(self, x):

def forward(self, x):
# 1x1 bottleneck conv
h = self.conv1(F.relu(x))
h = x
if self.preactivation:
h = F.relu(h)
h = self.conv1(h)
# 3x3 convs
h = self.conv2(self.activation(h))
h = self.conv3(self.activation(h))
Expand Down Expand Up @@ -420,7 +423,7 @@ def __init__(self, D_ch=64, D_wide=True, D_depth=2, resolution=128,
which_conv=self.which_conv,
wide=self.D_wide,
activation=self.activation,
preactivation=True,
preactivation=index > 0 or d_index > 0,
downsample=(nn.AvgPool2d(2) if self.arch['downsample'][index] and d_index==0 else None))
for d_index in range(self.D_depth)]]
# If attention on this block, attach it to the end
Expand Down