66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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import torch
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import torch.nn as nn
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class MLP_G(nn.Container):
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def __init__(self, isize, nz, nc, ngf, ngpu):
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super(MLP_G, self).__init__()
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self.ngpu = ngpu
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main = nn.Sequential(
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# Z goes into a linear of size: ngf
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nn.Linear(nz, ngf),
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nn.ReLU(True),
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nn.Linear(ngf, ngf),
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nn.ReLU(True),
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nn.Linear(ngf, ngf),
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nn.ReLU(True),
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nn.Linear(ngf, nc * isize * isize),
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)
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self.main = main
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self.nc = nc
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self.isize = isize
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self.nz = nz
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def forward(self, input):
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input = input.view(input.size(0), input.size(1))
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gpu_ids = None
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if isinstance(input.data, torch.cuda.FloatTensor) and self.ngpu > 1:
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gpu_ids = range(self.ngpu)
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out = nn.parallel.data_parallel(self.main, input, gpu_ids)
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return out.view(out.size(0), self.nc, self.isize, self.isize)
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class MLP_D(nn.Container):
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def __init__(self, isize, nz, nc, ndf, ngpu):
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super(MLP_D, self).__init__()
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self.ngpu = ngpu
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main = nn.Sequential(
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# Z goes into a linear of size: ndf
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nn.Linear(nc * isize * isize, ndf),
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nn.ReLU(True),
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nn.Linear(ndf, ndf),
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nn.ReLU(True),
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nn.Linear(ndf, ndf),
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nn.ReLU(True),
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nn.Linear(ndf, 1),
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)
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self.main = main
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self.nc = nc
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self.isize = isize
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self.nz = nz
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def forward(self, input):
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input = input.view(input.size(0),
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input.size(1) * input.size(2) * input.size(3))
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gpu_ids = None
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if isinstance(input.data, torch.cuda.FloatTensor) and self.ngpu > 1:
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gpu_ids = range(self.ngpu)
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output = nn.parallel.data_parallel(self.main, input, gpu_ids)
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output = output.mean(0)
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return output.view(1)
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