#pragma once
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#include <torch/nn/pimpl.h>
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#include <torch/optim/optimizer.h>
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#include <torch/optim/serialize.h>
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#include <torch/types.h>
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#include <utility>
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#include <vector>
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namespace torch {
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namespace serialize {
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class OutputArchive;
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class InputArchive;
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} // namespace serialize
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} // namespace torch
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namespace torch {
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namespace optim {
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struct TORCH_API AdagradOptions {
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AdagradOptions(double learning_rate);
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TORCH_ARG(double, learning_rate);
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TORCH_ARG(double, lr_decay) = 0;
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TORCH_ARG(double, weight_decay) = 0;
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};
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class TORCH_API Adagrad : public Optimizer {
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public:
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template <typename ParameterContainer>
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explicit Adagrad(
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ParameterContainer&& parameters,
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const AdagradOptions& options_)
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: Optimizer(std::forward<ParameterContainer>(parameters)),
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options(options_) {}
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void step() override;
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AdagradOptions options;
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void save(serialize::OutputArchive& archive) const override;
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void load(serialize::InputArchive& archive) override;
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std::vector<Tensor> sum_buffers;
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std::vector<int64_t> step_buffers;
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private:
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Adagrad() : options(0) {}
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template <typename Self, typename Archive>
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static void serialize(Self& self, Archive& archive) {
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_TORCH_OPTIM_SERIALIZE(sum_buffers);
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_TORCH_OPTIM_SERIALIZE(step_buffers);
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}
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};
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} // namespace optim
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} // namespace torch
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