Skip to content

Allowing netspec to have empty top (ntop=0) #2741

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
philkr wants to merge 1 commit into from
Closed

Allowing netspec to have empty top (ntop=0) #2741

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 17 additions & 3 deletions python/caffe/net_spec.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,16 @@ def to_proto(self):
return to_proto(self)


class NoTop:
Copy link
Copy Markdown
Member

@shelhamer shelhamer Jul 21, 2015

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Add two newlines for pep8itude.

Copy link
Copy Markdown
Contributor Author

@philkr philkr Jul 21, 2015

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

hmm that pep8... done.

""" Special class for layers without a top """

def __init__(self, fn):
self.fn = fn

def to_proto(self):
return to_proto(self)


class Function(object):
"""A Function specifies a layer, its parameters, and its inputs (which
are Tops from other layers)."""
Expand All @@ -105,7 +115,10 @@ def __init__(self, type_name, inputs, params):
self.in_place = self.params.get('in_place', False)
if 'in_place' in self.params:
del self.params['in_place']
self.tops = tuple(Top(self, n) for n in range(self.ntop))
if self.ntop == 0:
self.tops = (NoTop(self),)
else:
self.tops = tuple(Top(self, n) for n in range(self.ntop))

def _get_name(self, top, names, autonames):
if top not in names:
Expand All @@ -129,7 +142,8 @@ def _to_proto(self, layers, names, autonames):
layer.top.extend(layer.bottom)
else:
for top in self.tops:
layer.top.append(self._get_name(top, names, autonames))
if not isinstance(top,NoTop):
layer.top.append(self._get_name(top, names, autonames))
layer.name = self._get_name(self.tops[0], names, autonames)

for k, v in six.iteritems(self.params):
Expand Down Expand Up @@ -180,7 +194,7 @@ class Layers(object):
def __getattr__(self, name):
def layer_fn(*args, **kwargs):
fn = Function(name, args, kwargs)
if fn.ntop == 1:
if fn.ntop <= 1:
return fn.tops[0]
else:
return fn.tops
Expand Down