meta_learning_strategy.hpp

Go to the documentation of this file.

// Copyright (c) 2014-2023, Lawrence Livermore National Security, LLC.
// Produced at the Lawrence Livermore National Laboratory.
// Written by the LBANN Research Team (B. Van Essen, et al.) listed in
// the CONTRIBUTORS file. <lbann-dev@llnl.gov>
//
// LLNL-CODE-697807.
// All rights reserved.
//
// This file is part of LBANN: Livermore Big Artificial Neural Network
// Toolkit. For details, see http://software.llnl.gov/LBANN or
// https://github.com/LLNL/LBANN.
//
// Licensed under the Apache License, Version 2.0 (the "Licensee"); 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
//
// 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. See the License for the specific language governing
// permissions and limitations under the license.
#ifndef LBANN_EXECUTION_ALGORITHMS_LTFB_META_LEARNING_STRATEGY_HPP_INCLUDED
#define LBANN_EXECUTION_ALGORITHMS_LTFB_META_LEARNING_STRATEGY_HPP_INCLUDED

#include "execution_context.hpp"

#include "lbann/utils/cloneable.hpp"
#include "lbann/utils/factory.hpp"
#include "lbann/utils/make_abstract.hpp"

#include <google/protobuf/message.h>

namespace lbann {
// forward declarations
class data_coordinator;
class model;

namespace ltfb {

class MetaLearningStrategy
  : public Cloneable<HasAbstractFunction<MetaLearningStrategy>>
{
public:
  virtual ~MetaLearningStrategy() noexcept = default;
  virtual void select_next(model& m,
                           ltfb::LTFBExecutionContext& ctxt,
                           data_coordinator& dc) const = 0;
}; // class MetaLearningStrategy

using MetaLearningStrategyFactory =
  generic_factory<MetaLearningStrategy,
                  std::string,
                  generate_builder_type<MetaLearningStrategy,
                                        google::protobuf::Message const&>>;

using MetaLearningStrategyKey = MetaLearningStrategyFactory::id_type;
using MetaLearningStrategyBuilder = MetaLearningStrategyFactory::builder_type;

void register_new_metalearning_strategy(MetaLearningStrategyKey key,
                                        MetaLearningStrategyBuilder builder);

void unregister_metalearning_strategy(MetaLearningStrategyKey const& key);

} // namespace ltfb

template <>
std::unique_ptr<ltfb::MetaLearningStrategy>
make_abstract<ltfb::MetaLearningStrategy>(const google::protobuf::Message& msg);

} // namespace lbann
#endif // LBANN_EXECUTION_ALGORITHMS_LTFB_META_LEARNING_STRATEGY_HPP_INCLUDED