Source code for graphvite.optimizer

# Copyright 2019 MilaGraph. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# Author: Zhaocheng Zhu

"""Optimizer module of GraphVite"""
from __future__ import absolute_import

import sys

from . import lib, auto
from .helper import find_all_names

module = sys.modules[__name__]


[docs]class Optimizer(object): """ Optimizer(type=auto, *args, **kwargs) Create an optimizer instance of any type. Parameters: type (str or auto): optimizer type, can be 'SGD', 'Momentum', 'AdaGrad', 'RMSprop' or 'Adam' """ def __new__(cls, type=auto, *args, **kwargs): if type == auto: return lib.optimizer.Optimizer(auto) elif hasattr(lib.optimizer, type): return getattr(lib.optimizer, type)(*args, **kwargs) else: raise ValueError("Unknown optimizer `%s`" % type)
for name in find_all_names(lib.optimizer): if name not in module.__dict__: Class = getattr(lib.optimizer, name) # transfer module ownership so that autodoc can work Class.__module__ = Class.__module__.replace("libgraphvite", "graphvite") module.__dict__[name] = Class __all__ = [ "Optimizer", "LRSchedule", "SGD", "Momentum", "AdaGrad", "RMSprop", "Adam" ]