update GDAS and SETN

This commit is contained in:
D-X-Y
2019-11-05 23:35:28 +11:00
parent 7f13385f28
commit a84f483882
46 changed files with 2065 additions and 135 deletions

View File

@@ -2,7 +2,7 @@ import math, torch
import torch.nn as nn
import torch.nn.functional as F
from copy import deepcopy
from .operations import OPS, ReLUConvBN
from ..cell_operations import OPS
class SearchCell(nn.Module):
@@ -113,84 +113,3 @@ class SearchCell(nn.Module):
inter_nodes.append( self.edges[node_str][op_index]( nodes[j] ) )
nodes.append( sum(inter_nodes) )
return nodes[-1]
class InferCell(nn.Module):
def __init__(self, genotype, C_in, C_out, stride):
super(InferCell, self).__init__()
self.layers = nn.ModuleList()
self.node_IN = []
self.node_IX = []
self.genotype = deepcopy(genotype)
for i in range(1, len(genotype)):
node_info = genotype[i-1]
cur_index = []
cur_innod = []
for (op_name, op_in) in node_info:
if op_in == 0:
layer = OPS[op_name](C_in , C_out, stride)
else:
layer = OPS[op_name](C_out, C_out, 1)
cur_index.append( len(self.layers) )
cur_innod.append( op_in )
self.layers.append( layer )
self.node_IX.append( cur_index )
self.node_IN.append( cur_innod )
self.nodes = len(genotype)
self.in_dim = C_in
self.out_dim = C_out
def extra_repr(self):
string = 'info :: nodes={nodes}, inC={in_dim}, outC={out_dim}'.format(**self.__dict__)
laystr = []
for i, (node_layers, node_innods) in enumerate(zip(self.node_IX,self.node_IN)):
y = ['I{:}-L{:}'.format(_ii, _il) for _il, _ii in zip(node_layers, node_innods)]
x = '{:}<-({:})'.format(i+1, ','.join(y))
laystr.append( x )
return string + ', [{:}]'.format( ' | '.join(laystr) ) + ', {:}'.format(self.genotype.tostr())
def forward(self, inputs):
nodes = [inputs]
for i, (node_layers, node_innods) in enumerate(zip(self.node_IX,self.node_IN)):
node_feature = sum( self.layers[_il](nodes[_ii]) for _il, _ii in zip(node_layers, node_innods) )
nodes.append( node_feature )
return nodes[-1]
class ResNetBasicblock(nn.Module):
def __init__(self, inplanes, planes, stride):
super(ResNetBasicblock, self).__init__()
assert stride == 1 or stride == 2, 'invalid stride {:}'.format(stride)
self.conv_a = ReLUConvBN(inplanes, planes, 3, stride, 1, 1)
self.conv_b = ReLUConvBN( planes, planes, 3, 1, 1, 1)
if stride == 2:
self.downsample = nn.Sequential(
nn.AvgPool2d(kernel_size=2, stride=2, padding=0),
nn.Conv2d(inplanes, planes, kernel_size=1, stride=1, padding=0, bias=False))
elif inplanes != planes:
self.downsample = ReLUConvBN(inplanes, planes, 1, 1, 0, 1)
else:
self.downsample = None
self.in_dim = inplanes
self.out_dim = planes
self.stride = stride
self.num_conv = 2
def extra_repr(self):
string = '{name}(inC={in_dim}, outC={out_dim}, stride={stride})'.format(name=self.__class__.__name__, **self.__dict__)
return string
def forward(self, inputs):
basicblock = self.conv_a(inputs)
basicblock = self.conv_b(basicblock)
if self.downsample is not None:
residual = self.downsample(inputs)
else:
residual = inputs
return residual + basicblock