# OpenKiwi: Open-Source Machine Translation Quality Estimation
# Copyright (C) 2019 Unbabel <openkiwi@unbabel.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
from torch import optim
[docs]def optimizer_class(name):
if name == 'sgd':
OptimizerClass = optim.SGD
elif name == 'adagrad':
OptimizerClass = optim.Adagrad
elif name == 'adadelta':
OptimizerClass = optim.Adadelta
elif name == 'adam':
OptimizerClass = optim.Adam
elif name == 'sparseadam':
OptimizerClass = optim.SparseAdam
else:
raise RuntimeError("Invalid optim method: " + name)
return OptimizerClass