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#example training w/ trainable dropout layer | |
for epoch in range(epochs): | |
for (train_batch, test_batch) in zip(train_dataloader, test_dataloader): | |
features, target = train_batch | |
test_features, test_target= test_batch | |
unfreeze_all_but_dropout(model); | |
optimizer.zero_grad(); | |
pred = model(features); | |
loss = criterion_loss(pred,target); | |
loss.backward(); | |
optimizer.step(); | |
freeze_all_but_dropout(model); | |
test_pred = model(test_features); | |
loss_test = criterion_loss(test_pred,test_target); | |
loss_test.backward(); | |
optimizer.step(); | |
# then your model would have a trainable dropout layer as its inital layer that looks like so: | |
class TrainableDropoutLayer(nn.Module): | |
def __init__(self, num_features): | |
super(TrainableDropoutLayer, self).__init__() | |
self.num_features = num_features | |
self.scale = nn.Parameter(torch.ones(num_features)) | |
def forward(self, x): | |
scale = torch.sigmoid(self.scale) | |
return x * scale | |
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