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@ -27,22 +27,24 @@ void AdadeltaOptimizer::Update(const Tensor* gradient) {
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const char* AdadeltaOptimizer::SerializeState(int* state_len) {
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AdadeltaOptimizerState state;
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// TODO(zhihong) : add lr_policy serialization
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state.set_num_sample_passed(num_sample_passed_);
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std::string lr_str = this->lr_policy_->SerializeState(state_len);
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state.mutable_lr_state()->ParseFromString(lr_str);
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TensorToProto(*parameter_, state.mutable_parameter());
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TensorToProto(*accum_gradient_, state.mutable_accum_gradient());
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TensorToProto(*accum_delta_, state.mutable_accum_delta());
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TensorToProto(*update_delta_, state.mutable_update_delta());
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auto str = state.SerializeAsString();
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*state_len = str.size();
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*state_len += str.size();
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return str.c_str();
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}
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void AdadeltaOptimizer::DeserializeState(const std::string& str) {
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AdadeltaOptimizerState state;
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state.ParseFromString(str);
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// TODO(zhihong) : add lr_policy DeserializeState
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auto lr_state = state.lr_state();
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this->lr_policy_->DeserializeState(lr_state.SerializeAsString());
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num_sample_passed_ = state.num_sample_passed();
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ProtoToTensor(state.parameter(), parameter_);
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