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@@ -1,9 +1,10 @@
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import torch
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import torch.nn as nn
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import torch.nn.Functional as F
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-# MLP Arch with 1 Hidden layer
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+# MLP Arch with 1 Hidden layer
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+
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class MLP(nn.Module):
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def __init__(self, input_dim, hidden, out_dim):
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@@ -21,3 +22,27 @@ class MLP(nn.Module):
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x = self.relu(x)
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x = self.linear2(x)
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return self.softmax(x)
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+
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+# CNN Arch for MNIST
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+
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+
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+class CNN_Mnist(nn.Module):
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+ def __init__(self, args):
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+
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+ super(CNN_Mnist, self).__init__()
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+ self.conv1 = nn.Conv2d(args.num_channels, 10, kernel_size=5)
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+ self.conv2 = nn.Conv2d(10, 20, kernel_size=5)
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+ self.dropout_2d = nn.Dropout2d()
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+ self.fc1 = nn.Linear(320, 50)
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+ self.fc2 = nn.Linear(50, args.num_classes)
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+
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+ def forward(self, x):
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+ x = F.max_pool2d(self.conv1(x), 2)
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+ x = F.relu(x)
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+ x = F.max_pool2d(nn.Dropout2d(self.conv2(x)), 2)
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+ x = F.relu(x)
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+ x = x.view(-1, x.shape[1]*x.shape[2]*x.shape[3])
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+ x = F.relu(self.fc1(x))
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+ x = F.dropout(x, training=self.training)
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+ x = self.fc2(x)
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+ return F.log_softmax(x, dim=1)
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