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#ifndef CAFFE2_OPERATORS_ACCUMULATE_OP_H_
#define CAFFE2_OPERATORS_ACCUMULATE_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
#include "caffe2/utils/math.h"
namespace caffe2 {
template <typename T, class Context>
class AccumulateOp final : public Operator<Context> {
public:
template <class... Args>
explicit AccumulateOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
gamma_(static_cast<T>(
this->template GetSingleArgument<float>("gamma", 1.0))) {}
USE_OPERATOR_CONTEXT_FUNCTIONS;
bool RunOnDevice() override {
auto& input = Input(0);
// TODO: the operator depends on output being set to 0 before the run
auto* output = Output(0, input.sizes(), at::dtype<T>());
math::Axpby<T, T, Context>(
input.numel(),
static_cast<T>(1),
input.template data<T>(),
gamma_,
output->template mutable_data<T>(),
&context_);
return true;
}
protected:
T gamma_;
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_ACCUMULATE_OP_H_
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