def __init__(self, n_nodes, C_pp, C_p, C, reduction_p, reduction):
"""
Args:
n_nodes: # of intermediate n_nodes
C_pp: C_out[k-2]
C_p : C_out[k-1]
C : C_in[k] (current)
reduction_p: flag for whether the previous cell is reduction cell or not
reduction: flag for whether the current cell is reduction cell or not
"""
super().__init__()
self.reduction = reduction
self.n_nodes = n_nodes
# If previous cell is reduction cell, current input size does not match with
# output size of cell[k-2]. So the output[k-2] should be reduced by preprocessing.
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C, affine=False)
else:
self.preproc0 = ops.Conv2dBlock(C_pp, C, 1, 1, 0, affine=False)
self.preproc1 = ops.Conv2dBlock(C_p, C, 1, 1, 0, affine=False)
# generate dag
self.dag = nn.ModuleList()
for i in range(self.n_nodes):
self.dag.append(nn.ModuleList())
for j in range(2 + i): # include 2 input nodes
# reduction should be used only for input node
stride = 2 if reduction and j < 2 else 1
op = ops.MixedOp(C, stride)
self.dag[i].append(op)
def __init__(self, genotype, C_pp, C_p, C, reduction_p, reduction,
layer_id, n_layers):
super().__init__()
self.reduction = reduction
self.n_nodes = len(genotype.normal1)
self.layer_id = layer_id
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C)
else:
self.preproc0 = ops.StdConv(C_pp, C, 1, 1, 0)
self.preproc1 = ops.StdConv(C_p, C, 1, 1, 0)
if self.layer_id < n_layers // 3:
gene = genotype.normal1
self.concat = genotype.normal1_concat
elif self.layer_id == n_layers // 3:
gene = genotype.reduce1
self.concat = genotype.reduce1_concat
elif self.layer_id < 2 * n_layers // 3:
gene = genotype.normal2
self.concat = genotype.normal2_concat
elif self.layer_id == 2 * n_layers // 3:
gene = genotype.reduce2
self.concat = genotype.reduce2_concat
elif self.layer_id > 2 * n_layers // 3:
gene = genotype.normal3
self.concat = genotype.normal3_concat
self.dag = gt.to_dag(C, gene, reduction)
def __init__(self, genotype, i, C_pp, C_p, C, reduction_p, reduction, SSC):
super().__init__()
self.reduction = reduction
try:
self.n_nodes = len(genotype.normal)
except:
self.n_nodes = len(genotype["cell_0"])
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C)
else:
self.preproc0 = ops.StdConv(C_pp, C, 1, 1, 0)
self.preproc1 = ops.StdConv(C_p, C, 1, 1, 0)
# generate dag
if reduction:
try:
gene = genotype.reduce
self.concat = genotype.reduce_concat
except:
gene = genotype["cell_%d" % i]
self.concat = range(2, 2 + self.n_nodes)
else:
try:
gene = genotype.normal
self.concat = genotype.normal_concat
except:
gene = genotype["cell_%d" % i]
self.concat = range(2, 2 + self.n_nodes)
self.dag = gt.to_dag(C, gene, SSC, reduction)
def __init__(self,
genotype,
C_pp,
C_p,
C,
reduction_p,
reduction,
bn_affine=True):
super().__init__()
self.reduction = reduction
self.n_nodes = len(genotype.normal)
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C, affine=bn_affine)
else:
self.preproc0 = ops.StdConv(C_pp, C, 1, 1, 0, affine=bn_affine)
self.preproc1 = ops.StdConv(C_p, C, 1, 1, 0, affine=bn_affine)
# generate dag
if reduction:
gene = genotype.reduce
self.concat = genotype.reduce_concat
else:
gene = genotype.normal
self.concat = genotype.normal_concat
self.dag = gt.to_dag(C, gene, reduction, bn_affine)
def __init__(self, n_nodes, C_pp, C_p, C, reduction_p, reduction):
super().__init__()
self.reduction = reduction
self.n_nodes = n_nodes
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C, affine=False)
else:
self.preproc0 = ops.StdConv(C_pp, C, 1, 1, 0, affine=False)
self.preproc1 = ops.StdConv(C_p, C, 1, 1, 0, affine=False)
self.dag = nn.ModuleList()
for i in range(self.n_nodes):
self.dag.append(nn.ModuleList())
for j in range(2 + i):
stride = 2 if reduction and j < 2 else 1
op = ops.MixedOp2(C, stride)
self.dag[i].append(op)
def __init__(self, genotype, C_pp, C_p, C, reduction_p, reduction):
super().__init__()
self.reduction = reduction
self.n_nodes = len(genotype.normal)
if reduction_p:
self.preproc0 = ops.FactorizedReduce(C_pp, C)
else:
self.preproc0 = ops.Conv2dBlock(C_pp, C, 1, 1, 0)
self.preproc1 = ops.Conv2dBlock(C_p, C, 1, 1, 0)
# generate dag
if reduction:
gene = genotype.reduce
self.concat = genotype.reduce_concat
else:
gene = genotype.normal
self.concat = genotype.normal_concat
self.dag = gt.to_dag(C, gene, reduction)
