skip over irrelevant nodes

This commit is contained in:
Connor Olding 2017-09-16 17:31:39 +00:00
parent dcbaef3032
commit 65ba80bb96

View file

@ -589,11 +589,11 @@ class Layer:
assert self.parents, self
edges = []
for parent in self.parents:
# TODO: skip over irrelevant nodes (if any)
X = values[parent]
if not self.unsafe:
self.validate_input(X)
edges.append(X)
if parent in values:
X = values[parent]
if not self.unsafe:
self.validate_input(X)
edges.append(X)
Y = self._propagate(edges, deterministic)
if not self.unsafe:
self.validate_output(Y)
@ -604,11 +604,11 @@ class Layer:
assert self.children, self
edges = []
for child in self.children:
# TODO: skip over irrelevant nodes (if any)
dY = values[child]
if not self.unsafe:
self.validate_output(dY)
edges.append(dY)
if child in values:
dY = values[child]
if not self.unsafe:
self.validate_output(dY)
edges.append(dY)
dX = self._backpropagate(edges)
if not self.unsafe:
self.validate_input(dX)