Delete rawnet.py
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rawnet.py
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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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from torch import Tensor
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import numpy as np
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from torch.utils import data
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from collections import OrderedDict
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from torch.nn.parameter import Parameter
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___author__ = "Hemlata Tak"
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__email__ = "tak@eurecom.fr"
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class SincConv(nn.Module):
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@staticmethod
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def to_mel(hz):
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return 2595 * np.log10(1 + hz / 700)
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@staticmethod
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def to_hz(mel):
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return 700 * (10 ** (mel / 2595) - 1)
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def __init__(self, device,out_channels, kernel_size,in_channels=1,sample_rate=16000,
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stride=1, padding=0, dilation=1, bias=False, groups=1):
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super(SincConv,self).__init__()
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if in_channels != 1:
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msg = "SincConv only support one input channel (here, in_channels = {%i})" % (in_channels)
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raise ValueError(msg)
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self.out_channels = out_channels
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self.kernel_size = kernel_size
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self.sample_rate=sample_rate
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# Forcing the filters to be odd (i.e, perfectly symmetrics)
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if kernel_size%2==0:
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self.kernel_size=self.kernel_size+1
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self.device=device
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self.stride = stride
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self.padding = padding
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self.dilation = dilation
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if bias:
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raise ValueError('SincConv does not support bias.')
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if groups > 1:
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raise ValueError('SincConv does not support groups.')
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# initialize filterbanks using Mel scale
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NFFT = 512
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f=int(self.sample_rate/2)*np.linspace(0,1,int(NFFT/2)+1)
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fmel=self.to_mel(f) # Hz to mel conversion
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fmelmax=np.max(fmel)
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fmelmin=np.min(fmel)
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filbandwidthsmel=np.linspace(fmelmin,fmelmax,self.out_channels+1)
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filbandwidthsf=self.to_hz(filbandwidthsmel) # Mel to Hz conversion
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self.mel=filbandwidthsf
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self.hsupp=torch.arange(-(self.kernel_size-1)/2, (self.kernel_size-1)/2+1)
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self.band_pass=torch.zeros(self.out_channels,self.kernel_size)
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def forward(self,x):
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for i in range(len(self.mel)-1):
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fmin=self.mel[i]
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fmax=self.mel[i+1]
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hHigh=(2*fmax/self.sample_rate)*np.sinc(2*fmax*self.hsupp/self.sample_rate)
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hLow=(2*fmin/self.sample_rate)*np.sinc(2*fmin*self.hsupp/self.sample_rate)
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hideal=hHigh-hLow
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self.band_pass[i,:]=Tensor(np.hamming(self.kernel_size))*Tensor(hideal)
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band_pass_filter=self.band_pass.to(self.device)
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self.filters = (band_pass_filter).view(self.out_channels, 1, self.kernel_size)
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return F.conv1d(x, self.filters, stride=self.stride,
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padding=self.padding, dilation=self.dilation,
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bias=None, groups=1)
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class Residual_block(nn.Module):
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def __init__(self, nb_filts, first = False):
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super(Residual_block, self).__init__()
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self.first = first
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if not self.first:
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self.bn1 = nn.BatchNorm1d(num_features = nb_filts[0])
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self.lrelu = nn.LeakyReLU(negative_slope=0.3)
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self.conv1 = nn.Conv1d(in_channels = nb_filts[0],
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out_channels = nb_filts[1],
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kernel_size = 3,
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padding = 1,
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stride = 1)
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self.bn2 = nn.BatchNorm1d(num_features = nb_filts[1])
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self.conv2 = nn.Conv1d(in_channels = nb_filts[1],
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out_channels = nb_filts[1],
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padding = 1,
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kernel_size = 3,
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stride = 1)
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if nb_filts[0] != nb_filts[1]:
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self.downsample = True
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self.conv_downsample = nn.Conv1d(in_channels = nb_filts[0],
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out_channels = nb_filts[1],
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padding = 0,
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kernel_size = 1,
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stride = 1)
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else:
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self.downsample = False
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self.mp = nn.MaxPool1d(3)
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def forward(self, x):
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identity = x
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if not self.first:
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out = self.bn1(x)
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out = self.lrelu(out)
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else:
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out = x
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out = self.conv1(x)
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out = self.bn2(out)
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out = self.lrelu(out)
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out = self.conv2(out)
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if self.downsample:
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identity = self.conv_downsample(identity)
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out += identity
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out = self.mp(out)
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return out
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class RawNet(nn.Module):
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def __init__(self, d_args, device):
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super(RawNet, self).__init__()
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self.device=device
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self.Sinc_conv=SincConv(device=self.device,
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out_channels = d_args['filts'][0],
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kernel_size = d_args['first_conv'],
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in_channels = d_args['in_channels']
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)
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self.first_bn = nn.BatchNorm1d(num_features = d_args['filts'][0])
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self.selu = nn.SELU(inplace=True)
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self.block0 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][1], first = True))
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self.block1 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][1]))
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self.block2 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][2]))
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d_args['filts'][2][0] = d_args['filts'][2][1]
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self.block3 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][2]))
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self.block4 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][2]))
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self.block5 = nn.Sequential(Residual_block(nb_filts = d_args['filts'][2]))
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self.avgpool = nn.AdaptiveAvgPool1d(1)
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self.fc_attention0 = self._make_attention_fc(in_features = d_args['filts'][1][-1],
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l_out_features = d_args['filts'][1][-1])
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self.fc_attention1 = self._make_attention_fc(in_features = d_args['filts'][1][-1],
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l_out_features = d_args['filts'][1][-1])
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self.fc_attention2 = self._make_attention_fc(in_features = d_args['filts'][2][-1],
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l_out_features = d_args['filts'][2][-1])
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self.fc_attention3 = self._make_attention_fc(in_features = d_args['filts'][2][-1],
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l_out_features = d_args['filts'][2][-1])
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self.fc_attention4 = self._make_attention_fc(in_features = d_args['filts'][2][-1],
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l_out_features = d_args['filts'][2][-1])
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self.fc_attention5 = self._make_attention_fc(in_features = d_args['filts'][2][-1],
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l_out_features = d_args['filts'][2][-1])
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self.bn_before_gru = nn.BatchNorm1d(num_features = d_args['filts'][2][-1])
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self.gru = nn.GRU(input_size = d_args['filts'][2][-1],
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hidden_size = d_args['gru_node'],
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num_layers = d_args['nb_gru_layer'],
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batch_first = True)
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self.fc1_gru = nn.Linear(in_features = d_args['gru_node'],
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out_features = d_args['nb_fc_node'])
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self.fc2_gru = nn.Linear(in_features = d_args['nb_fc_node'],
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out_features = d_args['nb_classes'],bias=True)
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self.sig = nn.Sigmoid()
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self.logsoftmax = nn.LogSoftmax(dim=1)
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def forward(self, x, y = None):
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nb_samp = x.shape[0]
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len_seq = x.shape[1]
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x=x.view(nb_samp,1,len_seq)
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x = self.Sinc_conv(x)
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x = F.max_pool1d(torch.abs(x), 3)
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x = self.first_bn(x)
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x = self.selu(x)
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x0 = self.block0(x)
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y0 = self.avgpool(x0).view(x0.size(0), -1) # torch.Size([batch, filter])
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y0 = self.fc_attention0(y0)
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y0 = self.sig(y0).view(y0.size(0), y0.size(1), -1) # torch.Size([batch, filter, 1])
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x = x0 * y0 + y0 # (batch, filter, time) x (batch, filter, 1)
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x1 = self.block1(x)
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y1 = self.avgpool(x1).view(x1.size(0), -1) # torch.Size([batch, filter])
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y1 = self.fc_attention1(y1)
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y1 = self.sig(y1).view(y1.size(0), y1.size(1), -1) # torch.Size([batch, filter, 1])
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x = x1 * y1 + y1 # (batch, filter, time) x (batch, filter, 1)
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x2 = self.block2(x)
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y2 = self.avgpool(x2).view(x2.size(0), -1) # torch.Size([batch, filter])
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y2 = self.fc_attention2(y2)
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y2 = self.sig(y2).view(y2.size(0), y2.size(1), -1) # torch.Size([batch, filter, 1])
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x = x2 * y2 + y2 # (batch, filter, time) x (batch, filter, 1)
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x3 = self.block3(x)
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y3 = self.avgpool(x3).view(x3.size(0), -1) # torch.Size([batch, filter])
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y3 = self.fc_attention3(y3)
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y3 = self.sig(y3).view(y3.size(0), y3.size(1), -1) # torch.Size([batch, filter, 1])
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x = x3 * y3 + y3 # (batch, filter, time) x (batch, filter, 1)
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x4 = self.block4(x)
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y4 = self.avgpool(x4).view(x4.size(0), -1) # torch.Size([batch, filter])
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y4 = self.fc_attention4(y4)
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y4 = self.sig(y4).view(y4.size(0), y4.size(1), -1) # torch.Size([batch, filter, 1])
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x = x4 * y4 + y4 # (batch, filter, time) x (batch, filter, 1)
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x5 = self.block5(x)
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y5 = self.avgpool(x5).view(x5.size(0), -1) # torch.Size([batch, filter])
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y5 = self.fc_attention5(y5)
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y5 = self.sig(y5).view(y5.size(0), y5.size(1), -1) # torch.Size([batch, filter, 1])
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x = x5 * y5 + y5 # (batch, filter, time) x (batch, filter, 1)
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x = self.bn_before_gru(x)
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x = self.selu(x)
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x = x.permute(0, 2, 1) #(batch, filt, time) >> (batch, time, filt)
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self.gru.flatten_parameters()
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x, _ = self.gru(x)
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x = x[:,-1,:]
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x = self.fc1_gru(x)
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x = self.fc2_gru(x)
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output=self.logsoftmax(x)
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return output
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def _make_attention_fc(self, in_features, l_out_features):
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l_fc = []
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l_fc.append(nn.Linear(in_features = in_features,
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out_features = l_out_features))
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return nn.Sequential(*l_fc)
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def _make_layer(self, nb_blocks, nb_filts, first = False):
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layers = []
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#def __init__(self, nb_filts, first = False):
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for i in range(nb_blocks):
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first = first if i == 0 else False
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layers.append(Residual_block(nb_filts = nb_filts,
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first = first))
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if i == 0: nb_filts[0] = nb_filts[1]
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return nn.Sequential(*layers)
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def summary(self, input_size, batch_size=-1, device="cuda", print_fn = None):
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if print_fn == None: printfn = print
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model = self
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def register_hook(module):
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def hook(module, input, output):
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class_name = str(module.__class__).split(".")[-1].split("'")[0]
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module_idx = len(summary)
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m_key = "%s-%i" % (class_name, module_idx + 1)
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summary[m_key] = OrderedDict()
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summary[m_key]["input_shape"] = list(input[0].size())
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summary[m_key]["input_shape"][0] = batch_size
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if isinstance(output, (list, tuple)):
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summary[m_key]["output_shape"] = [
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[-1] + list(o.size())[1:] for o in output
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]
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else:
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summary[m_key]["output_shape"] = list(output.size())
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if len(summary[m_key]["output_shape"]) != 0:
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summary[m_key]["output_shape"][0] = batch_size
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params = 0
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if hasattr(module, "weight") and hasattr(module.weight, "size"):
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params += torch.prod(torch.LongTensor(list(module.weight.size())))
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summary[m_key]["trainable"] = module.weight.requires_grad
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if hasattr(module, "bias") and hasattr(module.bias, "size"):
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params += torch.prod(torch.LongTensor(list(module.bias.size())))
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summary[m_key]["nb_params"] = params
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if (
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not isinstance(module, nn.Sequential)
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and not isinstance(module, nn.ModuleList)
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and not (module == model)
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):
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hooks.append(module.register_forward_hook(hook))
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device = device.lower()
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assert device in [
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"cuda",
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"cpu",
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], "Input device is not valid, please specify 'cuda' or 'cpu'"
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if device == "cuda" and torch.cuda.is_available():
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dtype = torch.cuda.FloatTensor
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else:
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dtype = torch.FloatTensor
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| 336 |
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if isinstance(input_size, tuple):
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input_size = [input_size]
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x = [torch.rand(2, *in_size).type(dtype) for in_size in input_size]
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summary = OrderedDict()
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hooks = []
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model.apply(register_hook)
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model(*x)
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for h in hooks:
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h.remove()
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print_fn("----------------------------------------------------------------")
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line_new = "{:>20} {:>25} {:>15}".format("Layer (type)", "Output Shape", "Param #")
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| 348 |
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print_fn(line_new)
|
| 349 |
-
print_fn("================================================================")
|
| 350 |
-
total_params = 0
|
| 351 |
-
total_output = 0
|
| 352 |
-
trainable_params = 0
|
| 353 |
-
for layer in summary:
|
| 354 |
-
# input_shape, output_shape, trainable, nb_params
|
| 355 |
-
line_new = "{:>20} {:>25} {:>15}".format(
|
| 356 |
-
layer,
|
| 357 |
-
str(summary[layer]["output_shape"]),
|
| 358 |
-
"{0:,}".format(summary[layer]["nb_params"]),
|
| 359 |
-
)
|
| 360 |
-
total_params += summary[layer]["nb_params"]
|
| 361 |
-
total_output += np.prod(summary[layer]["output_shape"])
|
| 362 |
-
if "trainable" in summary[layer]:
|
| 363 |
-
if summary[layer]["trainable"] == True:
|
| 364 |
-
trainable_params += summary[layer]["nb_params"]
|
| 365 |
-
print_fn(line_new)
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