pytorch/caffe2/operators/accumulate_op.h
Sebastian Messmer 54c4b5a4db refactor caffe2 operator constructors - 1/9 (#17082)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17082

clangr codemod

Reviewed By: ezyang

Differential Revision: D14078498

fbshipit-source-id: f7f65d6d81c7942293f53fdaa61f756d8b7360c1
2019-03-04 16:04:01 -08:00

42 lines
1.0 KiB
C++

#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_