copy_op.h

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#pragma once

#include <string>
#include <vector>

#include "tc/c2/tc_op.h"
#include "tc/library/copy.h"

namespace caffe2 {

template <typename T, class Context, class Engine = caffe2::DefaultEngine>
class TcCopyOp : public TcOp<T, Context, Engine> {
 public:
  static constexpr auto description = tc::COPY_DOC;

  TcCopyOp(const caffe2::OperatorDef& operator_def, caffe2::Workspace* ws)
      : TcOp<T, Context, Engine>(operator_def, ws) {}

  ~TcCopyOp() override {}

  bool RunOnDevice() override {
    this->tc_ = tc::makeCopyTc(this->Input(0).dims().size());
    this->tcName_ = tc::COPY_TC_NAME;
    this->gradTc_ = tc::makeCopyGradTc(this->Input(0).dims().size());
    this->gradTcName_ = tc::COPY_GRAD_TC_NAME;
    return TcOp<T, Context, Engine>::RunOnDevice();
  }

 protected:
  void setupNaiveMappingOptions() override {
    this->mappingOptions_ = tc::MappingOptions::makePointwiseMappingOptions()
                                .tile({4, 8, 8})
                                .mapToThreads({32, 4, 4})
                                .mapToBlocks({100, 100, 100})
                                .unroll({128});
    this->gradMappingOptions_ =
        tc::MappingOptions::makePointwiseMappingOptions();
  }
};
} // namespace caffe2